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. 291-2191
Mfr. Part No.HA4875
$165.64
Each
units
40 mA 75 A - Panel Mount - - 530 V - 280 V Zero Cross - - SCR -
RS Stock No. 818-4266
Mfr. Part No.LY2F220/240AC
BrandOmron
$31.36
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. 922-2016
Mfr. Part No.SSP3A225BDR
$573.20
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. 904-5677
Mfr. Part No.SSP1A150M7T
$79.99
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. 535-2637
Mfr. Part No.PSD2425
$162.23
Each
units
40 mA 25 A rms - Panel Mount - - 280 V rms - 32 V DC - - SCR -
RS Stock No. 819-8798
Mfr. Part No.39.00.7.024.9024
BrandFinder
$81.58
Each
units
1 mA 6 A - DIN Rail Series 39 1.5 V dc 24 V dc 19.2 V 26.4 V DC SPNO Push In PLC -
RS Stock No. 491-4874
Mfr. Part No.CWD4825
$102.01
Each
units
0.15 A 25 A rms - Panel Mount - - 660 V - 32 V Zero Cross - - SCR -
RS Stock No. 480-554
Mfr. Part No.MCPC2450C
$190.17
Each
units
150 mA 50 A - Panel Mount - 180 V rms 280 V rms 0 Vdc 10 Vdc DC - Screw - -
RS Stock No. 903-2974
Mfr. Part No.KSI240A25-L
Brandi-Autoc
$53.06
Each
units
- 25 A - Panel Mount - 48 V ac 280 V ac 90 V ac 280 V ac Zero Crossing - Screw SCR, Triac -
RS Stock No. 499-0610
Mfr. Part No.SO863970
BrandCelduc
$78.72
Each
units
5 mA 40 A Okpac Panel Mount - 24 V ac 510 V rms - 265 V Zero Crossing - - Triac -
RS Stock No. 910-7330
Mfr. Part No.DR2260D30W
$115.26
Each
units
5 mA 30 A - DIN Rail - 48 V rms 600 V rms 4 V dc 32 V dc Zero Cross SP Screw MOSFET -
RS Stock No. 919-0777
Mfr. Part No.VO1400AEFTR
BrandVishay
$1.001
Each (On a Reel of 2000)
units
- 0.1 A - PCB Mount - - 60 V - 1.4 V - - Surface Mount MOSFET -
RS Stock No. 241-3953
Mfr. Part No.D5D10
$298.54
Each
units
1 mA 10 A - Surface Mount - - 500 V - 32 V - - - MOSFET -
RS Stock No. 740-1312
Mfr. Part No.ED10C5
$44.94
Each
units
0.1 A 5 A - DIN Rail - 1 V dc 80 V dc 18 V dc 32 V dc DC SPST Through Hole MOSFET EMR
RS Stock No. 922-5223
BrandRS PRO
$66.73
Each
units
0.4 A 40 A rms - Panel Mount - 24 V ac 280 V ac 90 V ac 280 V ac Zero Cross SPNO Screw TRIAC -
RS Stock No. 102-5542
Mfr. Part No.KSIM240D16-L 045
Brandi-Autoc
$33.88
Each
units
- 16 A - Panel Mount - 48 V ac 280 V ac 4 V dc 32 V dc Zero Cross - Screw TRIAC -
RS Stock No. 353-938
Mfr. Part No.G3RODX02SNDC524
BrandOmron
$117.60
Each
units
0.01 A 2 A - DIN Rail G3R-O 4 V dc 60 V 5 V dc 32 V - - Plug In Transistor -
RS Stock No. 736-0867
Mfr. Part No.D2440
$115.49
Each
units
40 mA rms 40 A rms - Surface Mount - 24 V rms 280 V rms 3 V dc 32 V dc Zero Cross - Screw SCR -
RS Stock No. 859-3169
Mfr. Part No.RP1A23D5
$30.46
Each
units
20 mA 5 A - PCB Mount - 12 V ac 265 V ac 3 V dc 32 V dc Zero Crossing - PCB Pin - -
RS Stock No. 738-5636
Mfr. Part No.SDV2415R
$26.61
Each
units
0.025 A rms 1.5 A - PCB Mount - 12 V rms 280 V rms 3.5 V dc 10 V dc Instantaneous SPST Through Hole SCR DIP