©2003 Fairchild Semiconductor Corporation

www.fairchildsemi.com

FOD3120 Rev. 1.17.0

3

Safety and Insulation Ratings

As per IEC 60747-5-2. This optocoupler is suitable for “safe electrical insulation” only within the safety limit data.

Compliance with the safety ratings shall be ensured by means of protective circuits.

Symbol

Parameter

Min.

Typ.

Max.

Unit

Installation Classifications per DIN VDE 0110/1.89 Table 1

For Rated Mains Voltage < 150Vrms

I–IV

For Rated Mains Voltage < 300Vrms

I–IV

For Rated Mains Voltage < 450Vrms

I–III

For Rated Mains Voltage < 600Vrms

I–III

For Rated Mains Voltage < 1000Vrms (Option T, TS)

I–III

Climatic Classification

40/100/21

Pollution Degree (DIN VDE 0110/1.89)

2

CTI

Comparative Tracking Index

175

Input to Output Test Voltage, Method b,

tm = 1 sec., Partial Discharge < 5pC

2651

Input to Output Test Voltage, Method a,

tm = 60 sec.,Partial Discharge < 5 pC

2121

Max Working Insulation Voltage

1,414

Highest Allowable Over Voltage

6000

External Creepage

8

mm

External Clearance

7.4

mm

External Clearance (for Option T or TS - 0.4” Lead Spacing)

10.16

mm

Insulation Thickness

0.5

mm

Safety Limit Values – Maximum Values Allowed in the

Event of a Failure

Case Temperature

150

°C

Input Current

25

mA

Output Power (Duty Factor

≤ 2.7%)

250

mW

Ω