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. 178-3195
Mfr. Part No.ASSR-V621-302E
BrandBroadcom
$5.643
Each (In a Tube of 50)
units
- 15 μA - Surface Mount - - - 0 V 0.8 V Direct - 8 Pin MOSFET DIP
RS Stock No. 457-2868
Mfr. Part No.34.81.7.024.9024
BrandFinder
$56.58
Each
units
1 mA 6 A - PCB Mount Series 34 1.5 V dc 24 V dc 16 V 30 V DC SPNO PCB Pin - SIP4
RS Stock No. 612-9034
Mfr. Part No.3RF2430-1AC45
BrandSiemens
$377.49
Each
units
0.5 A 30 A - DIN Rail - 48 V 600 V 4 V dc 30 V dc Zero Crossing 3P-NO Screw Thyristor -
RS Stock No. 922-4987
BrandRS PRO
$33.75
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 Thyristor -
RS Stock No. 701-8483
Mfr. Part No.DRA1-CMXE100D6
$96.66
Each
units
0 A 6 A - DIN Rail DRA1 CMX 1 V dc 100 V dc 20 V dc 28 V dc DC - - - -
RS Stock No. 839-9948
Mfr. Part No.ASSR-V621-302E
BrandBroadcom
$6.24
Each (In a Pack of 2)
units
- 15 μA - Surface Mount - - - 0 V 0.8 V Direct - 8 Pin MOSFET DIP
RS Stock No. 903-2961
Mfr. Part No.KSI240D10-L
BrandKudom
$35.33
Each
units
- 10 A - Panel Mount - 48 V ac 280 V ac 4 V dc 32 V dc Zero Crossing - Screw SCR, Triac -
RS Stock No. 888-6868
BrandRS PRO
$36.968
Each (In a Pack of 5)
units
1 mA 5 A - DIN Rail - 10 V 30 V 11 V 30 V DC SPNO Screw MOSFET -
RS Stock No. 922-5198
BrandRS PRO
$44.74
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
$30.24
Each
units
0.025 A 1.5 A rms - PCB Mount - - 280 V rms - - Zero Cross - - SCR -
RS Stock No. 903-2980
Mfr. Part No.KSI240A60-L
BrandKudom
$78.89
Each
units
- 60 A - Panel Mount - 48 V ac 280 V ac 90 V ac 280 V ac Zero Crossing - Screw SCR, Triac -
RS Stock No. 102-5544
Mfr. Part No.KSIM380D10-L
BrandKudom
$29.59
Each
units
- 10 A - Panel Mount - 48 V ac 440 V ac 4 V dc 32 V dc Zero Cross - Screw TRIAC -
RS Stock No. 814-8181
Mfr. Part No.70S2-01-A-03-V
$19.13
Each
units
- 3 A - PCB Mount - 3 V dc 60 V dc 3 V dc 15 V dc DC SPNO PCB Pin MOSFET -
RS Stock No. 800-2928
Mfr. Part No.70.62.8.400.0000
BrandFinder
$104.54
Each
units
5 mA 8 A - DIN Rail Series 70 250 V ac 400 V ac 208 V ac 480 V ac AC DPDT Screw - -
RS Stock No. 922-2016
Mfr. Part No.SSP3A225BDR
$286.12
Each
units
0.1 A 25 A - Panel Mount - 48 V ac 530 V ac 4 V dc 32 V dc Zero Cross 3P-NO Screw SCR -
RS Stock No. 818-4266
Mfr. Part No.LY2F220/240AC
BrandOmron
$28.90
Each
units
- 7.5 (Inductive Load) A, 10 (Resistive Load) A - Flange Mount LY - 24 V dc, 110 V ac - 220 V ac, 240 V ac AC/DC DPDT Plug In - -
RS Stock No. 904-5677
Mfr. Part No.SSP1A150M7T
$78.50
Each
units
0.15 A 50 A - Panel Mount - 24 V ac 300 V ac 90 V ac 280 V ac Zero Voltage SPNO Screw SCR -
RS Stock No. 904-5721
Mfr. Part No.SSP1A450M7
$84.95
Each
units
0.15 A 50 A - Panel Mount - 48 V ac 660 V ac 90 V ac 280 V ac Zero Voltage SPNO Screw SCR -
RS Stock No. 393-9377
Mfr. Part No.D06D60
$166.60
Each
units
5 mA 60 A - Surface Mount - - 60 V 3.5 V dc 32 V - - - MOSFET -
RS Stock No. 903-2974
Mfr. Part No.KSI240A25-L
BrandKudom
$50.92
Each
units
- 25 A - Panel Mount - 48 V ac 280 V ac 90 V ac 280 V ac Zero Crossing - Screw SCR, Triac -
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