MFG:VishaySemicond Package Cooled:N/A D/C:03+
MFG: VishaySemicond
Package Cooled: N/A
D/C: 03+
Description: The LH1556FP is robust, ideal for telecom and ground fault applications. It contains two SPST normally...
The LH1556FP is robust, ideal for telecom and ground fault applications. It contains two SPST normally open switches (1 Form A) that replace electromechanical relays in many applications. It is constructed using a GaAs LED for actuation control and an integrated monolithic die for the switch output. The die, fabricated in a high-voltage dielectrically isolated BCDMOS technology, is comprised of a photodiode array, switch control circuitry and MOSFET switches. In addition, it employs current-limiting circuitry which meets FCC 68.302 and other regulatory voltage surge requirements when overvoltage protection is provided.
| Parameter | Test condition | Value | Unit |
| LED continuous forward current | 50 | mA | |
| LED reverse voltage | IR 10 A | 6.0 | V |
| DC or peak AC load voltage | IL 50 A | 350 | V |
| Continuous DC load current | 120 | mA | |
| Ambient temperature range | -40to+85 | ||
| Storage temperature range | -40to+125 | ||
| Soldering temperature | t = 10s max | 260 | |
| Isolation test voltage | t = 1.0 s | 3000 | VRMS |
| Isolation test voltage | VIO = 500 V, Tamb = 25 | 1012 | |
| VIO = 500 V, Tamb = 100 | 1012 | ||
| Total power dissipation | 550 | mW |
LH1556FPTR
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The LH1556FP is robust, ideal for telecom and ground fault applications. It contains two SPST normally open switches (1 Form A) that replace electromechanical relays in many applications. It is constructed using a GaAs LED for actuation control and an integr...
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