Solid State Relays

The main advantages of solid state relays over conventional electro-mechanical relays is that they have no moving parts to wear out, and therefore no contact bounce issues. SSRs are able to switch both “ON” and “OFF” much faster than a mechanical relays armature can move, as well as zero voltage turn-on and zero current turn-off eliminating electrical noise and transients.
Solid state relays are available in a range of package options, ranging from just a few volts or amperes to many hundreds of volts and amperes of output switching capability. A small input voltage, typically 3 to 32 volts DC, can be used to control a much large output voltage or current.

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Description Price Minimum Load Current Maximum Load Current Range Mounting Type Series Minimum Load Voltage Maximum Load Voltage Minimum Control Voltage Maximum Control Voltage Switching Type Contact Configuration Terminal Type Output Device Package Style
RS Stock No. 783-0237
Mfr. Part No.ODC-24
$31.03
Each
units
0.01 A 3 A - PCB Mount - 3 V dc 60 V dc 18 V dc 32 V dc DC SPNO PCB Pin Transistor Module
RS Stock No. 715-0865
Mfr. Part No.SSRT-240A25 2-1393030-0
$89.01
Each
units
0.1 A 25 A - Panel Mount - 24 V rms 280 V rms 90 V ac 280 V ac Zero Crossing SPNO Screw Alternistor Triac Hockey Puck
RS Stock No. 783-0246
Mfr. Part No.ODC5
$33.32
Each
units
0.01 A 3 A - PCB Mount - 3 V dc 60 V dc 3 V dc 8 V dc DC SPNO PCB Pin Transistor Module
RS Stock No. 783-0268
Mfr. Part No.OACM-UH
$35.42
Each
units
0.05 A rms 5 A rms - - - 24 V rms 280 V rms 3 V dc 15 V dc AC/DC SPNO PCB Pin Triac Module
RS Stock No. 715-0846
Mfr. Part No.SSR-240D25 1393030-7
$39.08
Each
units
0.05 A 25 A - Panel Mount - 24 V rms 280 V rms 3 V dc 32 V dc Zero Crossing SPNO Screw Paired SCR Hockey Puck
RS Stock No. 715-0862
Mfr. Part No.SSRT-240D25 2-1393030-2
$59.71
Each
units
0.1 A 25 A - Panel Mount - 24 V rms 280 V rms 3 V dc 32 V dc Zero Crossing SPNO Screw Alternistor Triac Hockey Puck
RS Stock No. 783-0243
Mfr. Part No.OAC-5
$34.06
Each
units
0.05 A 3 A - PCB Mount - 24 V rms 280 V rms 3 V dc 8 V dc AC/DC SPNO PCB Pin Triac Module