Data Sheet
©2011 Fairchild Semiconductor Corporation www.fairchildsemi.com
HMHA281, HMHA2801 Series Rev. 5.2 2
HMHA281, HMHA2801 Series — 4-Pin Half-Pitch Mini-Flat Phototransistor Optocouplers
Safety and Insulation Ratings
As per DIN EN/IEC 60747-5-5, 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.
Note:
1. Safety limit values – maximum values allowed in the event of a failure.
Parameter Characteristics
Installation Classifications per DIN VDE
0110/1.89 Table 1, For Rated Mains Voltage
< 150 V
RMS
I–IV
< 300 V
RMS
I–III
Climatic Classification 55/100/21
Pollution Degree (DIN VDE 0110/1.89) 2
Comparative Tracking Index 175
Symbol Parameter Value Unit
V
PR
Input-to-Output Test Voltage, Method A, V
IORM
x 1.6 = V
PR
,
Type and Sample Test with t
m
= 10 s, Partial Discharge < 5 pC
904
V
peak
Input-to-Output Test Voltage, Method B, V
IORM
x 1.875 = V
PR
,
100% Production Test with t
m
= 1 s, Partial Discharge < 5 pC
1060
V
peak
V
IORM
Maximum Working Insulation Voltage 565
V
peak
V
IOTM
Highest Allowable Over-Voltage 4000
V
peak
External Creepage
≥ 5 mm
External Clearance
≥ 5 mm
DTI Distance Through Insulation (Insulation Thickness)
≥ 0.4 mm
T
S
Case Temperature
(1)
150 °C
I
S,INPUT
Input Current
(1)
200 mA
P
S,OUTPUT
Output Power
(1)
300 mW
R
IO
Insulation Resistance at T
S
, V
IO
= 500 V
(1)
> 10
9
Ω