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HSR312_06 Datasheet, PDF (1/10 Pages) Fairchild Semiconductor – Photovoltaic Solid-State Relay Optocouplers | |||
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October 2006
HSR312, HSR312L, HSR412, HSR412L
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Photovoltaic Solid-State Relay Optocouplers
Features
â 4,000 VRMS Isolation
â Wide operating voltage range
â 250 V (HSR312, HSR312L)
â 400 V (HSR412, HSR412L)
â Solid-State Reliability
â Bounce-Free Operation
â 4000 V ESD Rating (HBM)
â UL and CSA approved
Applications
â On/Off Hook Switch
â Replacement for Mechanical Relays
â Dial Out Relay
â Ring Injection Relay
â General Switching
â Ground Start
Description
The HSR312 and HSR412 devices consist of a AlGaAs
infrared emitting diode optically coupled to a power
MOSFET detector which is driven by a photovoltaic gen-
erator. The devices are housed in a 6-pin dual-in-line
package. The HSR312L and HSR412L employ an active
current limit circuitry enabling the device to withstand
current surge transients.
Package
Schematic
6
6
1
1
ANODE 1
CATHODE 2
N/C 3
6 DRAIN
5
4 DRAIN
©2005 Fairchild Semiconductor Corporation
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HSR312, HSR312L, HSR412, HSR412L Rev. 1.0.2
www.fairchildsemi.com
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