- turns Ratio: 1:2:2
- Rated Current: 640mA/260mA
- Insulation Test Voltage: 500VAC
- Application: Drive isolation circuit
- Operating temperature: –40 ℃ to +125 ℃
1. Dimensions:mm

2 .Schematic:

3. RecommendeLand Pattern: mm

4.Winding STEP:
WDG | TERMINAL | WIRE | TURNS | REMARKS |
N1 | 1--8 | 2UEW-Fφ0.20*2P | 8Ts | Double wire parallel winding,Close winding |
N2 | 3--4 | 2UEW-Fφ0.18*1P | 18Ts | Close winding two layer |
N3 | 5--6 | 2UEW-Fφ0.18*1P | 18Ts | Close winding two layer |
5.Electrical Properties
NO. | ITEMS | MEASURING POINT | TECHNICAL DATA | TEST CONDITION | INSTRUMENT |
1 | Inductors | L(1--8) | 42μH /MIN | 10KHz,0.05V,25℃ | HP4284A |
2 | IR | COIL~CORE | 100Mohm MIN | DC500V | MF2511 |
3 | turns Ratio | N1:N2:N3 | 4:9:9 | 20KHz,1V,25℃ | TH3250 |
4 | DCR | R(1--8) | 39mΩ/MAX | 25℃ | CH502 |
R(3--4) | 234mΩ/MAX | 25℃ | CH502 | ||
R(5--6) | 234mΩ/MAX | 25℃ | CH502 | ||
5 | Insulation Test Voltage | COIL=>COIL | 500V/AC | 60Hz 5mA 1S | CJ2670 |
6 | LAYER INSULATION | 1-8&3-4&5-6 | 1000V/AC | / | 19503 |
Ambient temperature :–40°C to +85°C
Operating temperature:–40°C to +125°C