Basic Info.
Model NO.
GWHF
Cooling Method
Dry-type Transformer
Winding Type
Separated Winding Transformer
Certification
ISO9001-2000, ISO9001, CCC, CE
Usage
Pq Transformer for Microcomputer Equipment
Frequency Characteristics
High Frequency
Shape of Core
Grewin Pq High Frequency Transformer
Brand
Grewin Pq High Frequency Transformer
Electronic Transformer Color
Yellow, Black
Frequency Electronic Transformer
Higher Than 20kHz- 200kHz
Transformer Materials
High Magnetic Flux and Low Loss Magnetic Materials
Electronic Transformer Application
PCB Circuits, Computer, TV, Monitor, Scanner
Insulation
UL Insulation System for Class B (130), F (155)
Magnetic Electronic Transformer
EPC Ep DC Power Magnetic Transformer
Features
Low Transmission, Strong Anti-Interference, Dist
RM Etd Ee Electronic Transformer
Windely Used Fax Machines, PBX
Efd25 Epcs Ee65 RM10 Transformer
DC Magnetic Transformer for Electrical Microwave
High Frequency Transformer Models Sereis
Ee, Etd, Efd, Er, Ep, Ec, RM, Pq, pH etc.
PCB Mount Transformer
Electronic Transformer
Transport Package
Export Standard Carton with Strong Pallet
Specification
VDE, CE
Trademark
Grewin transformer
Origin
Tianjin
HS Code
85045000
Production Capacity
100000 /Month
Packaging & Delivery
Package Size
15.00cm * 20.00cm * 5.00cm
Package Gross Weight
0.100kg
Product Description
Flyback Transformer Voltage Electrical Transformer for Power Switching supply
EFD RM PQ EE PCB mount transformer high frequency transformer 220v ac 12v power transformer Electric Power ferrite electronic Transformers for power supply
1. Their input voltage can be different to meet requirements of various regions: AC380V-240V-230V-220V-120V-110V-100V.
2. Special designs are also available to meet customers' requirements.
Power Capacity Chart:
Power range (W)Core type using N67* grade material
<5RM4; P11/7; EF12.6; U10
5-10E(F)16; RM5; P14/8
10-20RM6; E(F)20; P18; U15; EFD15
20-50RM8; P22; RM10 ETD29; E25; EFD20
50-100ETD29; ETD34; RM12; P30; EFD25
100-200ETD34; ETD39; ETD44; P36; E30; E42; EFD30
200-500ETD44; ETD49; E55
>500ETD54; ETD59; E65
PQ20. PQ32. PQ35 etc.
The power capacity of each core type varies due to differences in topology, operating frequency and temperature, flux density, and material grade.
* Siemens material grade
Table3: ER type Transformer Parameters
Table4: PQ type Transformer Parameters
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:
1.PCB circuits
2.,computer, TV,
3.monitor, scanner,
4.duplicator, mobile adapters,
5.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
<5: RM4, P11/7, EF12.6 and U10
5 to 10: E (F) 16, RM5 and P14/8
10 to 20: RM6, E (F) 20, P18, U15 and EFD15
20 to 50: RM8, P22, RM10 ETD29, E25 and EFD20
50 to 100: ETD29, ETD34, RM12, P30 and EFD25
100 to 200: ETD34, ETD39, ETD44, P36, E30, E42 and EFD30
200 to 500: ETD44, ETD49 and E55
>500: ETD54, ETD59 and E65
Table4: EFD type Transformer Parameters
5)Advantage:
1.UL, CUL, CE,IEC 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
1).Features:
6)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
7)About us:
1). Tianjin Grewin Technology Co.,ltd. has always laying great emphasis on our core business philosophy "Quality and Honesty First ".
2)product procedure:
The following picture showed you about all finished transformer production line and package with export standard carton and strong pallets:
3).Terms of Shipment:
Within 10 working days after received related prepayment or L/C.
5).Flow chart of trading activities:
PLZ Contact us:
EFD RM PQ EE PCB mount transformer high frequency transformer 220v ac 12v power transformer Electric Power ferrite electronic Transformers for power supply
1. Their input voltage can be different to meet requirements of various regions: AC380V-240V-230V-220V-120V-110V-100V.
2. Special designs are also available to meet customers' requirements.
Power Capacity Chart:
Power range (W)Core type using N67* grade material
<5RM4; P11/7; EF12.6; U10
5-10E(F)16; RM5; P14/8
10-20RM6; E(F)20; P18; U15; EFD15
20-50RM8; P22; RM10 ETD29; E25; EFD20
50-100ETD29; ETD34; RM12; P30; EFD25
100-200ETD34; ETD39; ETD44; P36; E30; E42; EFD30
200-500ETD44; ETD49; E55
>500ETD54; ETD59; E65
PQ20. PQ32. PQ35 etc.
The power capacity of each core type varies due to differences in topology, operating frequency and temperature, flux density, and material grade.
* Siemens material grade
ETD type Transformer Parameters
Model | Output power : W |
ETD29 | 30-90 |
ETD34 | 30-90 |
ETD39 | 20-500 |
ETD44 | 20-800 |
ETD49 | 20-800 |
ETD59 | 400-2000 |
Other Related High Frequency Transformer Parameters:
Table1: EE type Transformer Parameters
| EE type transformer | |||||||
| Part No. | Terminal Pins | Dimension mm | Type | Electrical parameter | |||
| A | B | C | Inductance | Output power(W) | |||
| EE-8.3 | 6 | 8.0 | 8.0 | 8.3 | V | 100.0uH | 0.2-3.0 |
| EE-10 | 8 | 11.5 | 10.2 | 10.2 | V | 80.0uH | 0.5-5.0 |
| EE-13 | 10 | 12.0 | 12.5 | 13.0 | V | 120.0uH | 0.5-8.0 |
| EE-16-1 | 6 | 14.8 | 13.3 | 16.0 | V | 90.0uH | 1.0-10.0 |
| EEL-16 | 10 | 28.5 | 16.0 | 21.9 | V | 600.0uH | 2.0-15.0 |
| EE-19-1 | 8 | 17.6 | 16.0 | 19.0 | V | 800.0uH | 3.0-30.0 |
| EEL19 | 10 | 31.5 | 16.0 | 21.1 | V | 1200.0uH | 3.0-30.0 |
| EE-25-1 | 6 | 20.0 | 18.2 | 25.2 | V | 2000.0uH | 3.0-45.0 |
| EEL25 | 8 | 35.3 | 17.5 | 25.2 | V | 2800.0uH | 3.0-45.0 |
| EE-30 | 10 | 21.0 | 29.2 | 30.0 | H | 900.0uH | 3.0-50.0 |
| EE-40 | 14 | 27.6 | 30.5 | 40.0 | H | 1500.0uH | 3.0-55.0 |
| EE-42/15-1 | 12 | 33.8 | 44.0 | 42.0 | H | 2000.0uH | 3.0-80.0 |
| EE-42/20-1 | 12 | 45.0 | 39.8 | 42.0 | V | 1900.0uH | 3.0-90.0 |
| EE-55 | 20 | 50.0 | 50.0 | 55.0 | H | 3000.0uH | 3.0-150.0 |
| EE-65 | 16 | 55.2 | 51.8 | 65.0 | H | 4500.0uH | 3.0-300.0 |
Table2:EPC type Transformer Parameters
| Model | Dimension (mm) | VA | Weight | |||
| A | B | C | f=50KHz | f=100KHz | g | |
| EPC-9.5 | 10 | 5.5 | 10 | 1.1 | 2.5 | 9 |
| EPC-13 | 14 | 9 | 14 | 5 | 8 | 11 |
| EPC-17 | 19 | 11 | 18 | 14 | 20 | 18 |
| EPC-19 | 20 | 13 | 21 | 18 | 27 | 21 |
| EPC-25 | 27 | 17 | 26 | 36 | 59 | 29 |
| EPC-27 | 29 | 17 | 36 | 52 | 75 | 35 |
Table3: ER type Transformer Parameters
| ER Transformer Specification | |||||||
| Model | PIN | Dimension | |||||
| A | B | C+/-0.5 | D+/-0.5 | E | F | ||
| ER25.5 | 8 | 19.5 | 19.7 | 12.5 | 4 | 5 | 25.5 |
| ER28 | 12 | 30.5 | 23 | 17.5 | 4 | 5 | 31 |
| ER28 | 12 | 23.1 | 28.2 | 25 | 4 | 5 | 29.1 |
| ER28 | 12 | 36 | 27 | 20 | 4 | 5 | 30 |
| ER28 | 12 | 26.3 | 37.1 | 30 | 4 | 5 | 30.2 |
| ER33 | 14 | 37.5 | 28 | 22.5 | 4 | 5 | 36 |
| ER35 | 14 | 43.5 | 28 | 22.5 | 4 | 5 | 35.5 |
| ER35 | 16 | 29.1 | 40.3 | 35.4 | 4 | 5 | 40.3 |
| ER39 | 16 | 46 | 31.1 | 25 | 4 | 5 | 43.1 |
| ER39 | 16 | 33 | 41.5 | 30.85 | 4 | 7.5 | 42.3 |
| ER40 | 16 | 48 | 31.1 | 25 | 4 | 5 | 43.1 |
| ER4215 | 14 | 45.5 | 30 | 25 | 4 | 5 | 42 |
| ER4220 | 14 | 44 | 37.5 | 36 | 4 | 5 | 42 |
Table4: PQ type Transformer Parameters
| COILFORMER DIMENSIONS (mm) | |||||||||||||||
TYPE | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O |
PQ20/16 | 23.15 | 17.35 | 23.15 | 20.3 | 2.5 | 9 | 3.8 | 5.1 | 17.9 | 9.7 | 7.82 | 10.8 | 2.4 | 0.6 | 7.35 |
PQ20/20 | 23.15 | 17.35 | 23.15 | 20.3 | 2.5 | 9 | 3.8 | 5.1 | 22 | 13.85 | 12 | 10.8 | 2.4 | 0.6 | 7.35 |
PQ26/20 | 26.6 | 21.85 | 29.75 | 25.4 | - | 12.3 | 3.8 | 7.6 | 21.5 | 11.05 | 9 | 14.2 | 2.4 | 0.65 | 7.2 |
PQ26/25 | 26.6 | 21.85 | 29.75 | 25.4 | - | 12.3 | 3.8 | 7.6 | 26.05 | 15.65 | 13.55 | 14.2 | 2.4 | 0.65 | 7.2 |
PQ32/20 | 32.15 | 26.7 | 34.3 | 30.5 | - | 13.85 | 5.1 | 7.6 | 22.35 | 11.05 | 8.9 | 15.9 | 2.8 | 0.75 | 7.2 |
PQ32/30 | 32.15 | 26.7 | 34.3 | 30.5 | - | 13.85 | 5.1 | 7.6 | 32.15 | 20.85 | 18.7 | 15.9 | 2.8 | 0.75 | 7.2 |
PQ35/35 | 35.00 | 31.0 | 39.0 | - | - | 15 | - | - | 37.4 | - | 22.4 | 16.9 | - | 1 | 5 |
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:
1.PCB circuits
2.,computer, TV,
3.monitor, scanner,
4.duplicator, mobile adapters,
5.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
<5: RM4, P11/7, EF12.6 and U10
5 to 10: E (F) 16, RM5 and P14/8
10 to 20: RM6, E (F) 20, P18, U15 and EFD15
20 to 50: RM8, P22, RM10 ETD29, E25 and EFD20
50 to 100: ETD29, ETD34, RM12, P30 and EFD25
100 to 200: ETD34, ETD39, ETD44, P36, E30, E42 and EFD30
200 to 500: ETD44, ETD49 and E55
>500: ETD54, ETD59 and E65
Table4: EFD type Transformer Parameters
| Model | Pin | Dimension | ||||
| A | B | C | D | E | ||
| EFD-12 | 8 | 6 | 17 | 20 | 3.0 | 13.5 |
| EFD-15 | 10 | 7.3 | 18.2 | 21.35 | 2.5 | 15 |
| EFD-15 | 10 | 7.5 | 19.3 | 22.6 | 3.0 | 16.7 |
| EFD-20 | 10 | 9.4 | 25.3 | 27.7 | 3.75 | 21.7 |
| EFD-20 | 12 | 9.7 | 24 | 26.8 | 3 | 20 |
| EFD-25 | 10 | 13.4 | 29.7 | 35.4 | 5 | 25 |
| EFD-25 | 10 | 12.6 | 29.7 | 31.5 | 5 | 25 |
| EFD-30 | 12 | 12.6 | 31.6 | 35.5 | 5 | 30 |
5)Advantage:
1.UL, CUL, CE,IEC 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
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
<5: RM4, P11/7, EF12.6 and U10
5 to 10: E (F) 16, RM5 and P14/8
10 to 20: RM6, E (F) 20, P18, U15 and EFD15
20 to 50: RM8, P22, RM10 ETD29, E25 and EFD20
50 to 100: ETD29, ETD34, RM12, P30 and EFD25
100 to 200: ETD34, ETD39, ETD44, P36, E30, E42 and EFD30
200 to 500: ETD44, ETD49 and E55
>500: ETD54, ETD59
5)Technical capabiliies:
6)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
7)About us:
1). Tianjin Grewin Technology Co.,ltd. has always laying great emphasis on our core business philosophy "Quality and Honesty First ".
2)product procedure:
The following picture showed you about all finished transformer production line and package with export standard carton and strong pallets:
3).Terms of Shipment:
Within 10 working days after received related prepayment or L/C.
4).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.
5).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 |
9 | Paying and receiving the balance | 4 days |
10 | Delivery of goods | 1 days |
PLZ Contact us:
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