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LH1550

Siemens Semiconductor Group
Part Number LH1550
Manufacturer Siemens Semiconductor Group
Description HIGH VOLTAGE/ SOLID STATE RELAY OPTOCOUPLER
Published Mar 22, 2005
Detailed Description LH1550 HIGH VOLTAGE, SOLID STATE RELAY OPTOCOUPLER FEATURES • Normally Open, Single Pole Single Throw Operation • Contro...
Datasheet PDF File LH1550 PDF File

LH1550
LH1550

Overview
LH1550 HIGH VOLTAGE, SOLID STATE RELAY OPTOCOUPLER FEATURES • Normally Open, Single Pole Single Throw Operation • Control 350 VAC or DC Voltage • Switch 100 mA Loads • LED Control Current, 2.
5 mA • Low ON-Resistance, 37 Ω Typ.
at 100 mA • Isolation Test Voltage, 3750 VACRMS • Current Limit Protection • Underwriters Lab File # E52744 APPLICATIONS • Telephone Switch Hook • High Voltage Test Equipment • TRIAC Driver • Motor Control • Industrial Control Systems DESCRIPTION The LH1550 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 dualin line package.
This package offers an insulation dielectric withstand of 3750 VRMS.
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 37 Ω 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° Typ.
.
018 (0.
45) .
022 (0.
55) S' .
300 (7.
62) Typ.
.
130 (3.
30) .
150 (3.
81) 18° 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 (TA=25°C) Emitter Reverse Voltage .
5.
0 V Continuous Forward Current 50 mA Peak Forward Current (1 µs) 1 A Power Dissipation.
.
.
.
100 mW Derate Linearly from 25°C .
.
.
.
...


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