Datasheet
©2003 Fairchild Semiconductor Corporation www.fairchildsemi.com
FOD3120 Rev. 1.17.0 3
FOD3120 — High Noise Immunity, 2.5A Output Current, Gate Drive Optocoupler
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
V
PR
Input to Output Test Voltage, Method b,
V
IORM
x 1.875 = V
PR
, 100% Production Test with
tm = 1 sec., Partial Discharge < 5pC
2651
Input to Output Test Voltage, Method a,
V
IORM
x 1.5 = V
PR
, Type and Sample Test with
tm = 60 sec.,Partial Discharge < 5 pC
2121
V
IORM
Max Working Insulation Voltage 1,414 V
peak
V
IOTM
Highest Allowable Over Voltage 6000 V
peak
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
T
Case
Case Temperature 150 °C
I
S,INPUT
Input Current 25 mA
P
S,OUTPUT
Output Power (Duty Factor
≤
2.7%) 250 mW
R
IO
Insulation Resistance at T
S
, V
IO
= 500V 10
9
Ω