GENERAL PURPOSE 6-PIN
PHOTOTRANSISTOR OPTOCOUPLERS
4N25
4N37
4N26
H11A1
4N27
H11A2
4N28
H11A3
4N35
H11A4
4N36
H11A5
Fig. 19 Dark Current vs. Ambient Temperature
10000
1000
100
10
V
T
= 10 V
CE
A
= 25°C
1
0.1
0.01
0.001
0
20
40
60
80
100
T
A
- AMBIENT TEMPERATURE (°C)
TEST CIRCUIT
WAVE FORMS
VCC = 10V
INPUT PULSE
IC
IF
RL
10%
90%
INPUT
OUTPUT
OUTPUT PULSE
RBE
tr
tf
toff
ton
I
I
Adjust
F
t
o
p
r
o
d
u
c
e
C
=
2
m
A
Figure 20. Switching Time Test Circuit and Waveforms
© 2005 Fairchild Semiconductor Corporation
Page 9 of 15
6/15/05