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. 922-5194
BrandRS PRO
$63.54
Each
units
0.4 A 40 A rms - Panel Mount - 24 V ac 280 V ac 3 V dc 32 V dc Random SPNO Screw TRIAC -
RS Stock No. 218-1892
Mfr. Part No.10PCV2440
$270.49
Each
units
0.05 A rms 40 A rms - PCB Mount - 100 V ac 240 V ac 2 V dc 10 V dc - - - SCR -
RS Stock No. 904-5718
Mfr. Part No.SSP1A450BDS
$234.33
Each
units
0.15 A 50 A - Panel Mount - 48 V ac 660 V ac 4 V dc 32 V dc Zero Voltage SPNO Screw SCR -
RS Stock No. 703-4687
Mfr. Part No.D1D80
$210.96
Each
units
5 mA 80 A - Surface Mount 1-DC 0 V dc 100 V 3.5 V dc 32 V DC - - MOSFET -
RS Stock No. 776-7700
Mfr. Part No.SGT767470E
BrandCelduc
$544.23
Each
units
1 mA 75 A - Panel Mount - 24 V ac 520 V ac 4 V dc 32 V dc Random - - Thyristor -
RS Stock No. 904-5771
Mfr. Part No.SSP1D425BDT
$68.02
Each
units
0 A 25 A - Panel Mount - 1 V dc 150 V dc 3.5 V dc 32 V dc DC SPNO Screw MOSFET -
RS Stock No. 775-3105
Mfr. Part No.RGS1A23D25KKE
$50.08
Each
units
150 mA 25 A - Panel Mount - 24 V ac 240 V ac 3 V dc 32 V dc Zero Crossing SPST Screw - Module
RS Stock No. 173-9042
Mfr. Part No.AQY225R1S
BrandPanasonic
$8.74
Each (In a Tube of 100)
units
0.35 A 0.7 A - PCB Mount - - 80 V 1.14 V 1.5 V - SPNO Surface Mount PhotoMOS SOP4
RS Stock No. 699-6617
Mfr. Part No.AQY225R1S
BrandPanasonic
$9.33
Each
units
0.35 A 0.7 A - PCB Mount - - 80 V 1.14 V 1.5 V - SPNO Surface Mount PhotoMOS SOP4
RS Stock No. 702-6816
Mfr. Part No.SCM040600
BrandCelduc
$522.73
Each
units
0 A 40 A - Panel Mount - 0 V dc 600 V dc 4.5 V dc 32 V dc DC - Screw MOSFET -
RS Stock No. 917-4838
Mfr. Part No.SOM040200
BrandCelduc
$143.24
Each
units
- 40 A - Panel Mount - 5 V dc 110 V dc 3.5 V dc 32 V dc DC - Screw MOSFET -
RS Stock No. 775-3048
Mfr. Part No.RGC1A23D30KKE
$136.67
Each
units
250 mA 30 A - Panel Mount - 24 V ac 240 V ac 3 V dc 32 V dc Zero Crossing SPST Screw - Module
RS Stock No. 171-8926
Mfr. Part No.SC864110
BrandCelduc
$101.40
Each
units
5 mA 50 A - Panel Mount - - 520 V rms - 30 V Zero Crossing - - Triac -
RS Stock No. 291-2179
Mfr. Part No.HA4825
$98.81
Each
units
40 mA 25 A - Panel Mount - - 530 V - 280 V Zero Cross - - SCR -
RS Stock No. 807-4655
Mfr. Part No.G3MC-202P DC5
BrandOmron
$12.57
Each
units
0.1 A 2 A - PCB Mount G3MC 75 V ac 264 V ac 4 V dc 6 V dc Zero Crossing SPST PCB Pin Phototriac -
RS Stock No. 922-5198
BrandRS PRO
$54.37
Each
units
0.1 A 10 A rms - Panel Mount - 24 V ac 280 V ac 3 V dc 32 V dc Zero Cross SPNO Screw TRIAC -
RS Stock No. 244-9031
Mfr. Part No.SDI2415
$39.92
Each
units
0.025 A 1.5 A rms - PCB Mount - - 280 V rms - - Zero Cross - - SCR -
RS Stock No. 839-9948
Mfr. Part No.ASSR-V621-302E
BrandBroadcom
$6.81
Each (In a Pack of 2)
units
- 15 μA - Surface Mount - - - 0 V 0.8 V Direct - 8 Pin MOSFET DIP
RS Stock No. 121-3895
BrandRS PRO
$86.74
Each
units
- 30 A - DIN Rail - 48 Vrms 530 Vrms 4 V dc 32 V dc - SP Screw - -
RS Stock No. 903-2961
Mfr. Part No.KSI240D10-L
Brandi-Autoc
$36.78
Each
units
- 10 A - Panel Mount - 48 V ac 280 V ac 4 V dc 32 V dc Zero Crossing - Screw SCR, Triac -