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 and E65
Equipments:
. 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
Vertical versions available: ETD29, ETD34,ETD39,ETD44,ETD49,ETD54,ETD59 Transformer:
| Tianjin Grewin Technology Co.,ltd. | |||||||||||
TYPE | A | B | C | D | E | F | G | H | I | J | K |
ETD29 | 35.3 | 21.6 | 11.8 | 10 | 6.4 | 25 | 3.5 | 35.2 | 21.2 | 19.4 | 0.7 |
ETD34 | 39.6 | 25 | 13.4 | 11.4 | - | 34.6 | 4.5 | 42.8 | 23.4 | 20.9 | 1 |
ETD39 | 44.6 | 28.9 | 15.1 | 13.1 | - | 37 | 4.5 | 47.8 | 28.2 | 25.7 | 1 |
ETD44 | 49.6 | 31.9 | 17.7 | 15.5 | - | 39.9 | 4.5 | 52.2 | 32 | 29.5 | 1 |
ETD49 | 54.5 | 35.7 | 19.2 | 17 | - | 42.4 | 4.5 | 57.2 | 35.2 | 32.7 | 1 |
ETD54 | 61.5 | 39.15 | 22 | 19.8 | - | 46 | 4.5 | 61.5 | 39.3 | 36.8 | 1 |
ETD59 | 66.9 | 42.65 | 24.9 | 22.4 | - | 49.2 | 4.5 | 66.4 | 43.7 | 41.2 | 1 |
| CORE DIMENSIONS (mm) | ||||||
TYPE | A | B | C | D | E | F |
ETD29 | 16 | 10.7 | 9.8 | 9.8 | 22 | 30.6 |
ETD34 | 17.5 | 11.8 | 11.1 | 11.1 | 25.6 | 34 |
ETD39 | 20 | 14.2 | 12.8 | 12.8 | 29.3 | 38.9 |
ETD44 | 22.5 | www.grewin-tech.com 16.1 | 15.2 | 15.2 | 32.5 | 43.8 |
ETD49 | 24.9 | 17.7 | 16.7 | 16.7 | 36.1 | 48.5 |
ETD54 | 27.8 | 19.8 | 19.3 | 19.3 | 40.1 | 54.5 |
ETD59 | 31.2 | 22 | 22.1 | 22.1 | 43.6 | 59.8 |
ER9.5 ER11 ER14.5 TRANSFORMER:
ER25 ER42 220v high frequency battery charger ferrite transformers
| COILFORMER DIMENSIONS (mm) www.grewin-tech.com | |||||||||||||
TYPE | A | B | C | D | E | F | G | H | I | J | K | L | M |
E9.5 | 7.3 | 4.45 | 3.6 | 0.70 | 2 | 6 | 8.6 | 0.25 | 4.4 | 8.1 | 11.7 | 2.05 | 2.95 |
E11 | 8.5 | 5.3 | 4.5 | 0.70 | 4 | 8 | 10.6 | 0.25 | 4.4 | 9.2 | 12.35 | 1.85 | 2.8 |
E14.5 | 11.4 | 5.9 | 5 | 0.70 | 5 | 10 | 14 | 0.25 | 5.2 | - | 16.25 | 1.9 | 3 |
EFD15 EFD20 EFD25 EFD30 Transformer:
COILFORMER DIMENSIONS (mm)Tianjin Grewin Technology Co.,ltd. | ||||||||||||||
TYPE | A | B | C | D | E | F | G | H | I | J | K | L | M | N |
| EFD15 | 15 | 6.8 | 16.3 | 10.5 | 5.5 | 8.2 | 4.7 | 3.5 | 0.6 | 1.5 | 2.6 | 10.5 | 9.2 | 3.75 |
| EFD20 | 20 | 10.5 | 20 | 14.7 | 9.2 | 10.2 | 6.8 | 3.5 | 0.6 x 0.5 | 1.5 | 4 | 14.8 | 13.4 | 5.2 |
| EFD25 | 25 | 13 | 26 | 18 | 11.7 | 12.7 | 9.4 | 3.5 | 0.6 x 0.5 | 1.6 | 5.5 | 17.9 | 16.7 | 6.8 |
| EFD30 | 30 | 16.2 | 31 | 12.5 | 15 | 12.7 | 9.4 | 3.5 | 0.6 x 0.5 | 1.6 | 5.2 | 21.7 | 20.4 | 6.6 |
Specifications
ER14.5 ER20 ER25 EC25 ER28 EC28 ER33 ER35 ERL35 ER39 ERL39 ER40 ER42 ER49 ER54 ER59 ER59 High frequency transformer:
ER14.5 ER20 ER25 EC25 ER28 EC28 ER33 ER35 ERL35 ER39 ERL39 ER40 ER42 ER49 ER54 ER59 ER59 High frequency transformer,hf transformer features:
Various types of transformers available, CI, UI, EFD,EP, ER, EPC, POT, RM, EE
High Frequency transformer suitable for EL/CCFL Inverter or DC/DC converter
Customer's designs are welcome
Normal parameters:
EE type transformer
Part No. Terminal
Pins Dimension mm Type Electrical parameter
A B C Inductance Output power(W)
EE-8.3 6.0 8.0 8.0 8.3 V 100.0uH 0.2-3.0
EE-10 8.0 11.5 10.2 10.2 V 80.0uH 0.5-5.0
EE-13 10.0 12.0 12.5 13.0 V 120.0uH 0.5-8.0
EE-16-1 6.0 14.8 13.3 16.0 V 90.0uH 1.0-10.0
EEL-16 10.0 28.5 16.0 21.9 V 600.0uH 2.0-15.0
EE-19-1 8.0 17.6 16.0 19.0 V 800.0uH 3.0-30.0
EEL19 10.0 31.5 16.0 21.1 V 1200.0uH 3.0-30.0
EE-25-1 6.0 20.0 18.2 25.2 V 2000.0uH 3.0-45.0
EEL25 8.0 35.3 17.5 25.2 V 2800.0uH 3.0-45.0
EE-30 10.0 21.0 29.2 30.0 H 900.0uH 3.0-50.0
EE-40 14.0 27.6 30.5 40.0 H 1500.0uH 3.0-55.0
EE-42/15-1 12.0 33.8 44.0 42.0 H 2000.0uH 3.0-80.0
EE-42/20-1 12.0 45.0 39.8 42.0 V 1900.0uH 3.0-90.0
EE-55 20.0 50.0 50.0 55.0 H 3000.0uH 3.0-150.0
EE-65 16.0 55.2 51.8 65.0 H 4500.0uH 3.0-300.0
High frequency transformer:
1.ISO9001..CE,RoHs,UL.
2.Output power: 0.2W-2.0KW.
3.Rated current:2A-1500A loads.
Electrical Characteristics:
1. Operating Temperature range:-20 to +45
2. Storage temperature: -40 to +70
3. Switching frequency:1KHz to 200KHz
4. Withstanding voltage:1500/3750Vac for 1 minute between primary&secondary
5. Insulation resistance:500Vdc 100MΩ min.between primar&secondary.
