High Reliability Photocoupler
z Features
1. Current transfer ratio
( CTR：Min. 50% at IF=5mA VCE=5V )
2. High isolation voltage between input and output
( Viso：5000Vrms )
3. Compact surface mount type package.
4. Pb free and RoHS compliant.
5. Agency Approvals
• UL UL1577 / CUL C22.2 No.1 & NTC No.5, File No. E169586
• VDE EN60747, File No.101347
• FIMKO EN60065, File No.FI23149
• FIMKO EN60950, File No.FI24584
• SEMKO EN60065, File No.1016484
• SEMKO EN60950, File No.1016433
• CQC GB4943 / GB8898, File No.CQC10001049555/CQC08001023986
z Application：
1. Registers, copies, automatic vending machines.
2. System appliances, measuring instruments.
3. Computer terminals, programmable controllers.
4. Communications, telephone, etc.
5. Electric home appliances, such as oil fan heaters, Microwave
Oven, Washer, Refrigerator, Air conditioner, etc.
6. Medical instruments, physical and chemical equipment.
7. Signal transmission between circuits of different potentials
and impedances.
8. Facsimile equipment, Audio, Video.
9. Switching power supply, Laser beam printer.

Classification table of current VCE=5V
transfer ratio is shown below.
Model No. CTR ( % )
K10104A 80 TO 160
K10104B 130 TO 260
K10104C 200 TO 400
K10104D 300 TO 600
K10104E 50 TO 600