1. Application ON This specification applies to the outline and characteristics of photocoupler Model No. PCSOOV. 2. Outline Refer to the attached sheet. page 3. 3. Ratings and characteristics Refer to the attached sheet, page 3 to 5. 4. Reliability Refer to the attached sheet, page 8. 5. Outgoing inspection Refer to the attached sheet. page 9. 6. Supplement 6.1 Isolation voltage shall be measured in the following method.