State Relays (SSR) are an integration of an infrared
emitting diode (IRED), a Phototriac Detector and a
main output Triac. These devices are ideally suited for
controlling high voltage AC loads with solid state reli-
ability while providing 3.0kV isolation (V
iso
(rms)) from in-
put to output.
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Agency approvals/Compliance
1. Recognized by UL508, file No. E94758 (as models No.
PR308S31)
2. Approved by CSA 22.2 No.14, file No. LR63705 (as
models No.
PR308S31)
3. Approved by TÜV EN60950 (reinforced insulation),
file No. R9051479 (as models No.
PR308S31)
4. Package resin : UL flammability grade (94V-0)
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Features
1. Output current, I
T
(rms)≤8.0A
2. Non-zero crossing functionary
3. 4 pin SIP package
4. High repetitive peak off-state voltage (V
DRM
: 600V)
5. Built-in snubber circuit
6. Reinforced insulation type (MIN. 0.4mm internal sep-
aration)
7. High isolation voltage between input and output
(V
iso
(rms) : 3.0kV)
8. Screw hole for heat sink
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Applications
1. Isolated interface between high voltage AC devices
and lower voltage DC control circuitry.
2. Switching motors, fans, heaters, solenoids, and
valves.
3. Phase or power control in applications such as light-
ing and temperature control equipment.
Notice The content of data sheet is subject to change without prior notice.
In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP
devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
