Datasheet

LH1540AAB, LH1540AABTR, LH1540AT
www.vishay.com
Vishay Semiconductors
Rev. 1.9, 25-Jul-11
6
Document Number: 83833
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Fig. 17 - Turn-off Time vs. Temperature
Fig. 18 - Turn-on Time vs. LED Current
Fig. 19 - Turn-off Time vs. LED Current
PACKAGE DIMENSIONS in millimeters
i1540at_16
120
40
- 40
100
80
60
20
- 20
- 60
0
- 40 - 20
- 80
160
140
Ambient Temperature (°C)
I
F
= 5.0 mA
I
L
= 50 mA
Change in Turn-off Time (%)
Normalized to 25 °C
0
20
40
60
80
i1540at_17
01020
LED Forward Current (mA)
10
8
6
0
2
30
4
5040
- 40 °C
I
L
= 50 mA
Turn-on Time (ms)
25 °C
85 °C
i1540at_18
1.4
1.2
1.0
0.2
30 5040
0.8
0.6
0.4
I
L
= 50 mA
LED Forward Current (mA)
- 40 °C
25 °C
85 °C
Turn-off Time (ms)
0
10
20
0.35
0.25
3.81
2.79
3.81
3.30
0.051 min.
7.62 typ.
0.9
0.8
2.54 typ.
1 min.
0.55
0.45
6.5
6.3
8.7
8.5
Pin one ID
6
5
4
12
3
18° typ.
8.82
7.62
4° typ.
DIP
ISO method A
i178001