4
Insulation and Safety Related Speci cations
Parameter Symbol ACPL-M49U Units Conditions
Minimum External Air Gap
(Clearance)
L(101) ≥ 5 mm Measured from input terminals to output terminals,
shortest distance through air.
Minimum External Tracking
(Creepage)
L(102) ≥ 5 mm Measured from input terminals to output terminals,
shortest distance path along body.
Minimum Internal Plastic Gap
(Internal Clearance)
0.08 mm Through insulation distance conductor to conductor, usu-
ally the straight line distance thickness between
the emitter and detector.
Tracking Resistance
(Comparative Tracking Index)
CTI 175 V DIN IEC 112/VDE 0303 Part 1
Isolation Group (DIN VDE0109) IIIa Material Group (DIN VDE 0109)
Absolute Maximum Ratings
Parameter Symbol Min. Max. Units Note
Storage Temperature T
S
-55 150 °C
Operating Temperature T
A
-40 125 °C
Lead Soldering Cycle Temperature 260 °C
Time 10 s
Average Forward Input Current I
F(avg)
20 mA 1
Peak Forward Input Current
(50% duty cycle, 1ms pulse width)
I
F(peak)
40 mA 2
Peak Transient Input Current
(<=1us pulse width, 300ps)
I
F(trans)
100 mA 2
Reversed Input Voltage V
R
5 V Pin 3 - 1
Input Power Dissipation P
IN
30 mW 3
Output Power Dissipation P
O
100 mW 4
Average Output Current I
O
8mA
Peak Output Current I
o(pk)
16 mA
Supply Voltage (Pins 6-4) V
CC
-0.5 30 V
Output Voltage (Pins 5-4) V
O
-0.5 20 V
Solder Re ow Temperature Pro le See Re ow Temperature Pro le
Recommended Operating Conditions
Parameter Symbol Min. Max. Units Note
Supply Voltage V
CC
20.0 V
Operating Temperature T
A
-40 125 °C
