Shenzhen Greenfair Electronics Co., Limited
Shenzhen Greenfair Electronics Co., Limited
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EPC series EPC19 EPC25 power drive power supply constant current high frequency charger dedicated miniature transformer
Features:
1. Custom designs available
2. High efficiency of over 95%
3. High frequency range 1KHz-1MHz
4. High isolation strength
5. High-temperature resistant
6. Operating temperature -40°C to +125°C
7. Power range 10w-500w
Application:
Power supply Driver
Lighting appliance
Communication equipment
LCD Power Supply
Converter and inverter
| NO | ITEM | PINS | DATA | TEST CONDITION | ||
| 1 | INDUCTANCE | 4---5 | 1.2mH+/-20% | 1KHz 0.25V | ||
| 2 | leakage inductance | LL4---5 | 100uH +/-10% | 1KHz 0.25V | ||
| 3 | DCR | 4--3 | 437mΩ MAX | 25℃ | ||
| 4 | DCR | 8--10,11 | 34.5mΩ MAX | 25℃ | ||
| 5 | DCR | 3--5 | 374mΩ MAX | 25℃ | ||
| 6 | DCR | 2--1 | 253mΩ MAX | 25℃ | ||
| 7 | HI-POT | P-----S | 3.75KV/ 0.5mA/ 60Sec | without break | ||
| 8 | HI-POT | P-----C,S-----C | 1.8KV/ 0.25mA/ 60Sec | without break | ||
| 9 | INSULATION | P-----S,P-----C,S-----C | 100MΩor More | DC500V | ||
| NO | WINDING | MATERIAL | MARGIN TAPE | TUBE | PIN | TURNS | INSULATION | |||
| left PIN1-5 | right P6-11 | START | END | W=15mm | ||||||
| 1 | N1 | UEW-2 Ø0.35 | 3.0mm/3TS | 3.0mm/3TS | Ø0.36 | Ø0.36 | 4----3 | 60Ts close | 3TS | |
| 2 | N2 | UEW-2 0.3*4P | 3.0mm/3TS | 3.0mm/3TS | Ø0.76 | Ø0.76 | 10,11----8 | 12Ts close | 3TS | |
| 3 | N3 | UEW-2 Ø0.35 | 3.0mm/3TS | 3.0mm/3TS | Ø0.36 | Ø0.36 | 3---5 | 40Ts close | 2TS | |
| 4 | N4 | UEW-2 Ø0.3 | 3.0mm/2TS | 3.0mm/2TS | Ø0.36 | Ø0.36 | 1----2 | 13Ts space | 3TS | |
| NO | MATERIAL | MATERIAL SPEC. | SUPPLIER | UL NO. | |||
| 1 | CORE | EPC25/25 RM2.3KD | JINCHUAN | ||||
| 2 | BOBBIN | EPC2509 H 5+6P (PM9820 UL94V-0) | ZHENHUI | E59481 | |||
| 3 | WIRE | UEW-2Φ0.35 130℃NTL | TAI-1 | E85640 | |||
| 4 | WIRE | UEW-2Φ0.3 130℃ NTL | TAI-1 | E85640 | |||
| 5 | TAPE | CT-280 1mil*15mm Yellow | YAHUA | E165111 | |||
| 6 | TAPE | CT-280 1mil*8mm Yellow | YAHUA | E165111 | |||
| 7 | TAPE | CT-280 1mil*17mm Yellow | YAHUA | E165111 | |||
| 8 | TAPE | WF 2901 0.2*3.0mm | YAHUA | E165111 | |||
| 9 | TUBE | TFL ID0.30&0.36&1.0TRN | WOER | E203950 | |||
| 10 | COPPER FOIL | Copper 0.1*10mm | ZHENGZHEYANG | ||||
General information:
It is recommended that the temperature of the part does not exceed +125°C under worst case conditions.
Storage Temperature: -40°C to 85°C
Operating Temperature: -40°C to 125°C
Test conditions of Electrical Properties: 20°C, 33% RH if not specified differently
| OPERATING TEMPERATURE RANGE, PACKAGE QUANTITY, PRODUCT WEIGHT | |||||
| Temperature range | Humidity range | Standard test conditions | |||
| Operating temperature* | Storage temperature | Operating temperature** | Storage temperature** | Operating temperature** | Storage temperature** |
| ( ℃) | ( ℃) | ( % RH) | ( % RH) | ( ℃) | ( % RH) |
| -30 to +120 | -40 to +80 | 10 to +95 | 10 to +95 | 25 ± 10 | 25 to +75 |
* With self-heating
** Maximum wet-bulb temperature 38°C, without dewing
*** Without dewing