electronic transformer Encapsulated transformer manufacturer
Encapsulated transformer custom Encapsulated transformer supplier
The contact: Ariel
More favorable price please mail to: vtcarielzheng@126.com
Trademark: VTC
Coil Number: Autotransformer
mount type: mount hole output voltage: 12V Power Range: 3VA
Ferrite core: EI Insulation Class: UL class B,F,H,N.(optional)
OEM: Yes Certification: UL RoHS CE
Tianjin New Ventech Electronic Co., Ltd. is a joint venture specialized in producing various electrical transformer,mainly include PCB expoxy resin
transformer, toroidal transformer, high voltage transformer, current transformer,common mode choke,line filter, inductor, etc,
which are mainly used in power supply, home appliance, medical equipment ,communication product, wind power generation and Uninterrupted Power Supply, etc.
We have upgraded production lines; we have obtained CE, VDE, UL certificates. All material meet RoHS and UL
request. The products are sold not only in domestic markets but also overseas including USA, England, Germany, Italy, Sweden, Spain, Turkey, Japan and Korea etc. Our main customers are Electrolux, OMRON, SANYO, LG,Ariston,Panasonic, etc.
We believe that we can become your reliable electrical transformer partner with best quality and favorable price.
PCB mount transformer silicon steel transformer supplier
low frequency transformer manufacturer PCB expoxy resin transformer
The contact: Ariel
More favorable price please mail to: vtcarielzheng@126.com
Trademark: VTC
Coil Number: Autotransformer
mount type: mount hole Power Range: 6.5VA
Ferrite core: EI Insulation Class: UL class B,F,H,N.(optional)
OEM: Yes Certification: UL RoHS CE
Our services
1. We can provide samples of all kinds of Electrical Transformer,Inductor etc.
2. We can produce as your requirement(OEM, ODM)
3. If you have any special requirement, please don't hesitate to contact us, Ventech will make customized design to meet your needs.
Tianjin New Ventech Electronic Co., Ltd. is a joint venture specialized in producing various electrical transformer,mainly include PCB expoxy resin transformer, toroidal transformer, high voltage transformer,current transformer,common mode choke,line filter, inductor, etc, which are mainly used in power supply, home appliance, medical equipment ,communication product, wind power generation and Uninterrupted Power Supply, etc.
electronic transformer High frequency transformer manufacturer
High frequency transformer custom High frequency transformer supplier
The contact: Ariel
More favorable price please mail to: vtcarielzheng@126.com
Trademark: VTC
Coil Number: Autotransformer
Ferrite core: RM10
High Frequency transformer suitable for EL/CCFL Inverter or DC/DC converter
1. Custom designs available
2. High efficiency of over 95%
3. High frequency range 10kHz-1MHz
4. High isolation strength
5. Lower profile and weight
6. high power density
7. High-temperature resistant
8. Operating temperature -40°C to +125°C
9. Power range 0.5w-800w
EF EE EFD type high voltage high frequency ferrite core portable transformer Application:
1. VCRS, Copy machine , Audio equipment , Game machines
2. TV sets, Microcomputer equipment, printers, Terminals
3. communications control equipment
4.Switching power supply, chargers, alarm system
5. UPS, VCD/DVD players, audio and visual equipment
6. OA machines, inverters, chargers, alarm system
Our services
?1. We can provide samples of all kinds of Electrical Transformer,Inductor etc.
?2. We can produce as your requirement(OEM, ODM)
?3. If you have any special requirement, please don't hesitate to contact us, Ventech will make customized design to meet your needs.
òConstructed of super nylon.
òIn front of the lockout,90¦curved mental hook sets on left and right respectively, used for plug in the two holes of power switch.
òUsed for open circuit breaker or closed circuit breaker.
This product is especially suitable for polluted area, high mechanical tensile load and large span and compact line.
It has the feature of light weight, small volume, not easily broken, high mechanical strength, high pollution resistant, good aging resistance, high anti explosive and others.
We have passed ISO9001:2015,CE,SGS approval and IEC report
1).Features:
Has a strong anti-interference, distributed capacitance, impedance, attenuation of low transmission, firm
structure,can fine-tune the inductance, etc., are widely used in fax
machines, PBX.
2). Applicable frequency range: 20 to 100kHz :
Operating frequency: higher than 200kHz
High magnetic flux and low loss magnetic materials
With low leakage inductance and high efficiency .
3).Applications:
PCB circuits, computer, TV, monitor, scanner, duplicator, mobile adapters, printer and other equipments and instruments.
UL insulation system for Class B (130), F (155), H (180)
4). Can make other customized Ferrite transformers:
Power range: core type using N67 grade material
500: ETD54, ETD59 and E65
5)Advantage:
1.UL, CUL, CE, ISO9001:2015
2.We offer custom-made transformers, OEM and ODM are welcome
3.We deliver the quality you expect at consistently competitive prices
4.Transformer quality lifetime:10 Years.
5.Specialty Sales service:5 -10 Years
6.Transformers Test: 100% test before the shipment
About us:
1). Tianjin Grewin Technology Co.,ltd. has always laying great emphasis on our core business philosophy "Quality and Honesty First ".
Grewin Mission: Growing together side by side,Mutual success hand in hand.
Production:
The following picture showed you about all finished transformer production line and package with export standard carton and strong pallets:
RM Type High Frequency Transformer for Electronic Usage
2).Terms of Shipment:
Within 10 working days after received related prepayment or L/C.
3).Payment terms:
(1). T/T 100% or 50% deposit by T/T in advance, balance amount to be paid 7 days before
delivery.
(2). By irrevocable L/C at sight, to be issued immediately against confirmed order.
(3). Payment by T/T, if order amount is less than USD 20,000.
4).Flow chart of trading activities:
NO
Step
Days need
1
Request for quotation
1 day
2
Making quotations
1 day
3
Offer and counter offer
3 days
4
Sending and receiving samples
3-10 days
5
Sample confirmation
3 days
6
Placing a firm order
1 day
7
Paying and receiving the down payment
1-4 day
8
Factory production & Quality inspection
15-20 days
Toroidal Transformer I
Power Thermal Fuse Current Fuse Dimension (mm) Approval Mark
GWB25VA 135 ºC 250V 2A 250V T 2A 80*35 CE UL TUV CQC
GWB30VA 135 ºC 250V 2A 250V T 2A 83*35 CE UL TUV CQC
GWB40VA 135 ºC 250V 2A 250V T 2A 87*35 CE UL TUV CQC
GWB50VA 135 ºC 250V 2A 250V T 2A 93*34 CE UL TUV CQC
GWB60VA 135 ºC 250V 2A 250V T 2A 93*35 CE UL TUV CQC
GWB80VA 135 ºC 250V 2A 250V T 2A 102*35 CE UL TUV CQC
GWB105VA 135 ºC 250V 2A 250V T 2A 114*38 CE UL TUV CQC
GWB120VA 135 ºC 250V 2A 250V T 2A 113*41 CE UL TUV CQC
GWB140VA 135 ºC 250V 2A 250V T 2A 114*42 CE UL TUV CQC
GWB150VA 135 ºC 250V 2A 250V T 2A 117*43 CE UL TUV CQC
GWB160VA 135 ºC 250V 5A 250V T 5A 120*43 CE UL TUV CQC
GWB180VA 135 ºC 250V 5A 250V T 5A 125*42 CE UL TUV CQC
GWB200VA 135 ºC 250V 5A 250V T 5A 124*49 CE UL TUV CQC
GWB220VA 135 ºC 250V 5A 250V T 5A 127*50 CE UL TUV CQC
GWB240VA 135 ºC 250V 5A 250V T 5A 129*48 CE UL TUV CQC
GWB250VA 135 ºC 250V 5A 250V T 5A 130*52 CE UL TUV CQC
GWB260VA 135 ºC 250V 5A 250V T 5A 130*53 CE UL TUV CQC
GWB280VA 135 ºC 250V 5A 250V T 5A 138*45 CE UL TUV CQC
GWB300VA 135 ºC 250V 5A 250V T 10A 138*54 CE UL TUV CQC
GWB320VA 135 ºC 250V 5A 250V T 10A 138*54 CE UL TUV CQC
GWB340VA 135 ºC 250V 5A 250V T 10A 138*54 CE UL TUV CQC
GWB360VA 135 ºC 250V 5A 250V T 10A 142*55 CE UL TUV CQC
GWB380VA 135 ºC 250V 5A 250V T 10A 146*54 CE UL TUV CQC
GWB400VA 135 ºC 250V 5A 250V T 10A 148*56 CE UL TUV CQC
GWB420VA 135 ºC 250V 5A 250V T 10A 148*56 CE UL TUV CQC
GWB440VA 135 ºC 250V 5A 250V T 10A 148*60 CE UL TUV CQC
GWB460VA 135 ºC 250V 5A 250V T 10A 149*64 CE UL TUV CQC
GWB480VA 135 ºC 250V 5A 250V T 10A 153*59 CE UL TUV CQC
GWB500VA 135 ºC 250V 5A 250V T 10A 155*62 CE UL TUV CQC
2. We have attained VDE,UL,CE,ISO9000 approval .we guarantee quality is the first.
Test process
1 .No-load test (included no-load voltage,no load current and no load loss)
2.iInductive voltage test
3. Load test (load voltage and temperature rise
4. Temperature rise test .
5.Insulated resistance
6.Hi-pot test
7.Leakage inductance test
8.DC resistance test
9.Surface inspection.
3.customized audio toroidal transformer and solar energy transformer Application:
220V 24V Toroidal Power Transformer
1). Application:
1. audio equipment
2. electric control
3. computer
4. solar device
5.telecommunications
6.high-end and middle-end vedio etc
2). Advantages:
1.High quality 100% copper core
2.a full range of toroidal transformer
3.Specially sales and technical services:5-10Years
4.With 14 years' producing history in transformer industry
5.our company have cooperated with many customers around the world and gained good reputation at home and abroad.
We have passed ISO9001:2015,CE,SGS approval and IEC report
PQ type Transformer Parameters
Brand Name; GREWIN Transformer Core structure;
Laminated
Coil number; Autotransformer
Place of Origin; China Coil Material; ferrite Coil structure; toroidal
Usage; High Frequency Model : PQ Phase; single
Application; High-frequency switching power supply and High-frequency inverter power transformer. PBX
Deliver time; Within 15 working days Package; Customized standard cartons or export standard carton with strong pallets
ATTENTION; YOU CAN CUSTOMIZED ALL SERIERS ACCORDING TO YOUR REQUERMENT
1).Features:
Has a strong anti-interference, distributed capacitance, impedance, attenuation of low transmission, firm
structure,can fine-tune the inductance, etc., are widely used in fax
machines, PBX.
2). Applicable frequency range: 20 to 100kHz :
Operating frequency: higher than 200kHz
High magnetic flux and low loss magnetic materials
With low leakage inductance and high efficiency .
3).Applications:
PCB circuits, computer, TV, monitor, scanner, duplicator, mobile adapters, printer and other equipments and instruments.
UL insulation system for Class B (130), F (155), H (180)
4). Can make other customized Ferrite transformers:
Power range: core type using N67 grade material
500: ETD54, ETD59 and E65
5)Advantage:
1.UL, CUL, CE, ISO9001:2015
2.We offer custom-made transformers, OEM and ODM are welcome
3.We deliver the quality you expect at consistently competitive prices
4.Transformer quality lifetime:10 Years.
5.Specialty Sales service:5 -10 Years
6.Transformers Test: 100% test before the shipment
Model NO.: 50VA-5000VA GWB140321 Usage: Single-phase Transformer Frequency Characteristics: Power Frequency Shape of Core: Ring Brand: Grewin Toroidal Transformer Power: 50va-5000va: Universal Purpose Low No-Load Losses: Low Mechanical Hum Low Magnetic Leakage: High Efficiency Power Factor: 0.9 to 0.98: Encapsulated by Iron Shell: CE, RoHS, SGS, Cesi a Horizontal: Sunk, Side Type, and Bridge: Phase: Single Brand Name: Gw: Place of Origin: Tianjin, China (Mainland) Trademark: Grewin Toroidal Transformer Transport Package: Carton Specification: CE, RoHS, SGS, CESI and ISO9001 Origin: Tianjin HS Code: 85043190
Tianjin Grewin Technology Co.,ltd. Clamp-on Flexible Rogowski coil current transformer' are designed for easy installed in tight spaces and without the need for dismantling the primary busbar or cables.
1. Features:
Flexible and light weights_
Easy & quick installation in tight spaces
No danger from open-circuited secondary
No core saturation or damage if overloaded
excellent linearity
Multi- size are available
2. Applications:
Power quality monitoring
Power meters
Smart logger
Energy sub-meters
Distributed measurement systems
3.Note: we-Grewin Manufacture can produce current transformer,split core CT,clamp on sensors, toroidal CT, minature CT, Flexible Rogowski coil with excellent performance. We have recieved IEC,ROHS,CE standard.
Tianjin Grewin Technology Co.,ltd. Clamp-on Flexible Rogowski coil current transformer' are designed for easy installed in tight spaces and without the need for dismantling the primary busbar or cables.
1. Features:
Flexible and light weights_
Easy & quick installation in tight spaces
No danger from open-circuited secondary
No core saturation or damage if overloaded
excellent linearity
Multi- size are available
2. Applications:
Power quality monitoring
Power meters
Smart logger
Energy sub-meters
Distributed measurement systems
3.Note: we-Grewin Manufacture can produce current transformer,split core CT,clamp on sensors, toroidal CT, minature CT, Flexible Rogowski coil with excellent performance. We have recieved IEC,ROHS,CE standard.
Name:Power Supply Lighting Transformer 110V
We have abtained ISO9001:2015,IEC,CE approval .we guarantee quality is the first.
1. technical parameters.
Toroidal Transformer I
Power Thermal Fuse Current Fuse Dimension (mm) Approval Mark
GWB25VA 135 ºC 250V 2A 250V T 2A 80*35 CE UL TUV CQC
GWB30VA 135 ºC 250V 2A 250V T 2A 83*35 CE UL TUV CQC
GWB40VA 135 ºC 250V 2A 250V T 2A 87*35 CE UL TUV CQC
GWB50VA 135 ºC 250V 2A 250V T 2A 93*34 CE UL TUV CQC
GWB60VA 135 ºC 250V 2A 250V T 2A 93*35 CE UL TUV CQC
GWB80VA 135 ºC 250V 2A 250V T 2A 102*35 CE UL TUV CQC
GWB105VA 135 ºC 250V 2A 250V T 2A 114*38 CE UL TUV CQC
GWB120VA 135 ºC 250V 2A 250V T 2A 113*41 CE UL TUV CQC
GWB140VA 135 ºC 250V 2A 250V T 2A 114*42 CE UL TUV CQC
GWB150VA 135 ºC 250V 2A 250V T 2A 117*43 CE UL TUV CQC
GWB160VA 135 ºC 250V 5A 250V T 5A 120*43 CE UL TUV CQC
GWB180VA 135 ºC 250V 5A 250V T 5A 125*42 CE UL TUV CQC
GWB200VA 135 ºC 250V 5A 250V T 5A 124*49 CE UL TUV CQC
GWB220VA 135 ºC 250V 5A 250V T 5A 127*50 CE UL TUV CQC
GWB240VA 135 ºC 250V 5A 250V T 5A 129*48 CE UL TUV CQC
GWB250VA 135 ºC 250V 5A 250V T 5A 130*52 CE UL TUV CQC
GWB260VA 135 ºC 250V 5A 250V T 5A 130*53 CE UL TUV CQC
GWB280VA 135 ºC 250V 5A 250V T 5A 138*45 CE UL TUV CQC
GWB300VA 135 ºC 250V 5A 250V T 10A 138*54 CE UL TUV CQC
GWB320VA 135 ºC 250V 5A 250V T 10A 138*54 CE UL TUV CQC
GWB340VA 135 ºC 250V 5A 250V T 10A 138*54 CE UL TUV CQC
GWB360VA 135 ºC 250V 5A 250V T 10A 142*55 CE UL TUV CQC
GWB380VA 135 ºC 250V 5A 250V T 10A 146*54 CE UL TUV CQC
GWB400VA 135 ºC 250V 5A 250V T 10A 148*56 CE UL TUV CQC
GWB420VA 135 ºC 250V 5A 250V T 10A 148*56 CE UL TUV CQC
GWB440VA 135 ºC 250V 5A 250V T 10A 148*60 CE UL TUV CQC
GWB460VA 135 ºC 250V 5A 250V T 10A 149*64 CE UL TUV CQC
GWB480VA 135 ºC 250V 5A 250V T 10A 153*59 CE UL TUV CQC
GWB500VA 135 ºC 250V 5A 250V T 10A 155*62 CE UL TUV CQC
2. Test process
1 .No-load test (included no-load voltage, no load current and no load loss)
2.iInductive voltage test
3. Load test (load voltage and temperature rise
4. Temperature rise test .
5.Insulated resistance
6.Hi-pot test
7.Leakage inductance test
8.DC resistance test
9.Surface inspection.
3.customized audio toroidal transformer and solar energy transformer Application:
1)
1. audio equipment
2. electric control
3. computer
4. solar device
5.telecommunications
6.high-end and middle-end vedio etc
2). Advantages:
1.High quality 100% copper core
2.a full range of toroidal transformer
3.Specially sales and technical services:5-10Years
4.With 14 years' producing history in transformer industry
5.our company have cooperated with many customers around the world and gained good reputation at home and abroad.
1).Features:
Has a strong anti-interference, distributed capacitance, impedance, attenuation of low transmission, firm
structure,can fine-tune the inductance, etc., are widely used in fax
machines, PBX.
2). Applicable frequency range: 20 to 100kHz :
Operating frequency: higher than 200kHz
High magnetic flux and low loss magnetic materials
With low leakage inductance and high efficiency .
3).Applications:
PCB circuits, computer, TV, monitor, scanner, duplicator, mobile adapters, printer and other equipments and instruments.
UL insulation system for Class B (130), F (155), H (180)
4). Can make other customized Ferrite transformers:
Power range: core type using N67 grade material
500: ETD54, ETD59 and E65
5)Advantage:
1.UL, CUL, CE, ISO9001:2008
2.We offer custom-made transformers, OEM and ODM are welcome
3.We deliver the quality you expect at consistently competitive prices
4.Transformer quality lifetime:10 Years.
5.Specialty Sales service:5 -10 Years
6.Transformers Test: 100% test before the shipment
1).Terms of Shipment:
Within 10 working days after received related prepayment or L/C.
2).Payment terms:
(1). T/T 100% or 50% deposit by T/T in advance, balance amount to be paid 7 days before
delivery.
(2). By irrevocable L/C at sight, to be issued immediately against confirmed order.
(3). Payment by T/T, if order amount is less than USD 20,000.
3).Flow chart of trading activities:
NO
Step
Days need
1
Request for quotation
1 day
2
Making quotations
1 day
3
Offer and counter offer
3 days
4
Sending and receiving samples
3-10 days
5
Sample confirmation
3 days
6
Placing a firm order
1 day
7
Paying and receiving the down payment
1-4 day
8
Factory production & Quality inspection
15-20 days
2. We have abtained VDE,UL,CE,ISO9000 approval .we guarantee quality is the first.
Test process:
1). No-load test (included no-load voltage,no load current and no load loss)
2). IInductive voltage test
3). Load test (load voltage and temperature rise
4). Temperature rise test .
5). Insulated resistance
6).Hi-pot test
7).Leakage indutance test
8).DC resistance test
9).Surface inspection.
3.customized audio toroidal transformer and solar energy transformer Application:
Grewin Electrical Supply Toroidal Transformer with ISO9001: 2015
1). Application:
1. audio equipment
2. electric control
3. computer
4.instrument
5.telecommunications
6.high-end and middle-end vedio etc
2). Advantages:
1.High quality 100% copper core
2.a full range of toroidal transformer
3.Specially sales and technical services:5-10Years
4.With 14 years' producing history in transformer induatry
5.our company have cooperated with many customers around the world and gained good reputation at home and abroad.
3).Note
The above-mentioned toroidal transformer is frequently-used, we can also manufacture the products by customer design. And the specification is for reference, if has the change further, please take the material object as the standard.
4).GREWIN'S Dimension :
External diameter: 40mm-300mm, height :13mm-130mm, Efficiency: 75-98%
we can design the appropriate products according to customers' requirments such as installation dimension, input and output voltage,power...etc.)
4.product procedure
The following picture showed you about all finished toroidal transformer production line and package with export standard carton and strong pallets:
Grewin Electrical Supply Toroidal Transformer with ISO9001: 2015
We have passed ISO9001:2015,CE,SGS approval and IEC report
Remark:
A. D refers to the volume of a corresponding transformer, which will be replaced with a digit. For the transformer with a single winding, the corresponding max. volume can be reached; for the transformer with two or more windings, the corresponding volume will be reduced properly.
B. Being a tendency of future pin transformer, it is applide with our best self-made toroidal core (Poâ?¤0.9W/Kg) in the result of High Efficiency, Low Power Loss and Low Temperature-rise to be Green, Energy-saving & Environment-friendly.
C. Attributed to our Patent Technology, excluding the pins distribution mentioned above, the pins distribution can be freely adjusted by following customer's advice.
D. Nice Appearance, Small Size, Moisture Proof & Mould Prevention.
E. Pins Quantity can be reduced or increased based on your requirement.
Minature Transformers:
The dimension of the Control Transformer Usage &Toroidal Coil Structure step-up auto-transformator 380V to 200V
The Partial List of GW-B Series Toroidal Transformers with Cable and Mounting Holes:
1. Installation:
Horizontal (non-conventional-type base plate), sunk, side type, and bridge.
2.Application:
Especially low-hum and low-dispersing construction
Low-level of induction
High-grade design casing possible
Statically shield winding and magnetical shield winding optional
Be used widely such as audio equipment,communication,new energy areas,Electrical control,Cable TV network etc.
3.Equipment:
Over 50 sets toroidal/annular/ ring coil winding machines, 3 EI type transformer lines, 2 sets of vacuum annealing furnaces, A set of nitrogen and hydrogen production equipment as below:
. Automatic Winding Machine
. Semi-automatic Winding Machine
. Toroidal Winding Machine
. Insert Lamination Machine
. Wave Soldering Machine
. Plastic Termal Ultraviolet Machine
. Domino Ink Jet Printing Machine
Transformer Multitester for High & Low Frequency
Layer Insulation Withstand Voltage Tester
4.Warning
Under no circumstances should both ends of the fixing bolt simultaneously contact the metal chassis or framework as this would create a potentially dangerous 'shorted-turn'.
5.Certificate
We have abtained CE CQC RoHs UL ISO9001:2015,SGS and IEC approval. We guarantee quality is the first.
Test process:
1). No-load test (included no-load voltage,no load current and no load loss)
2). IInductive voltage test
3). Load test (load voltage and temperature rise
4). Temperature rise test .
5). Insulated resistance
6).Hi-pot test
7).Leakage indutance test
8).DC resistance test
9).Surface inspection.
Application:
1). audio equipment
2). electric control
3). computer
4).instrument
5).telecommunications
6).high-end and middle-end vedio etc
