High Reliability Photocoupler
z Features
1. High current transfer ratio (Vceo：300V min)
( CTR：Min. 600% at IF=1mA VCE=2V )
2. High isolation voltage between input and output
( Viso：5000Vrms )
3. Compact long creepage distance type package.
z Application：
1. System appliances, measuring instruments.
2. Industrial robots.
3. Copiers, automatic vending machines.
4. Signal transmission between circuits of different
potentials and impedances.
5. Telephone sets.
6. Copiers, facsimiles.
7. Interface with various power supply circuits,
power distribution boards.
8. Numerical control machines.

Classification table of current
transfer ratio is shown below.
Model No. CTR ( % )
KP40103A 600 ~ 2000
KP40103B 1500 ~ 4000
KP40103C 3000 ~ 6000
KP40103D 5000 ~ 9000
KP40103E 600 ~ 9000