鈩?/div>
Typ. at 50 mA
鈥?Isolation Test Voltage, 3750 VAC
RMS
鈥?Current Limit Protection
鈥?Underwriters Lab File # E52744
APPLICATIONS
鈥?Telephone Switch Hook
鈥?High Voltage Test Equipment
鈥?TRIAC Driver
鈥?Motor Control
鈥?Industrial Control Systems
DESCRIPTION
The LH1540 is a single pole single throw (SPST), normally open
(NO), solid state relay. The relay can control AC or DC loads
currents up to 100 mA, with a supply voltage up to 350 V. The
device is packaged in a six pin 0.3 inch dual-in line package.
This package offers an insulation dielectric withstand of 3750
VAC
RMS
.
The coupler consists of a AlGaAs LED that is optically coupled
to a dielectrically isolated photodiode array which drives two
series connected high voltage MOS transistors. The typical
ON-resistance is 20
鈩?/div>
at 25 mA and is linear up to 50 mA.
There is built-in current limiting circuitry in the detector chip,
enabling it to pass FCC 68-302 and other regulatory voltage
surge requirements when over voltage protection is provided.
Package Dimensions in Inches (mm)
Pin One ID.
3
.248 (6.30)
.256 (6.50)
4
5
6
NC
2
1
A
K
1
2
6
5
S
NC
3
4
.335 (8.50)
.343 (8.70)
.039
(1.00)
Min.
4擄
Typ.
.018 (0.45)
.022 (0.55)
S'
.300 (7.62)
Typ.
.130 (3.30)
.150 (3.81)
18擄 Typ.
.020 (.051) Min.
.031 (0.80)
.035 (0.90)
.100 (2.54) Typ.
.010 (.25)
.014 (.35)
.300 (7.62)
.347 (8.82)
.110 (2.79)
.150 (3.81)
Absolute Maximum Ratings
(T
A
=25
擄
C)
Emitter
Reverse Voltage................................................................... 6.0 V
Continuous Forward Current .............................................60 mA
Peak Forward Current (1
碌
s) ..................................................1 A
Power Dissipation ........................................................... 100 mW
Derate Linearly from 25
擄
C .......................................... 1.3 mW/
擄
C
Detector
Output Breakdown Voltage................................................. 350 V
Continous Load Current ..................................................150 mA
Total Power Dissipation................................................... 400 mW
Derate Linearly from 25
擄
C .......................................See Figure 3
Package
Isolation Test Voltage .............................................3750 VAC
RMS
Isolation Resistance
V
IO
=500 V, T
A
=25
擄
C....................................................
鈮?/div>
10
12
鈩?/div>
V
IO
=500 V, T
A
=100
擄
C..................................................
鈮?/div>
10
11
鈩?/div>
Power Dissipation ........................................................... 500 mW
Derate Linearly from 25
擄
C .......................................... 2.5 mW/
擄
C
Storage Temperature Range ................................ 鈥?0 to +150
擄
C
Operating Temperature Range............................... 鈥?0 to +85
擄
C
Junction Temperature ........................................................ 100
擄
C
Soldering Temperature, 2 mm from case, 10 sec. ............ 260
擄
C
5鈥?05
LH1540相關(guān)型號(hào)PDF文件下載
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