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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Viewing 1 - 20 of 1969 products
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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. 903-2964
Mfr. Part No.KSI240D25-L
BrandKudom
R 365.66
Each
units
- 25 A - Panel Mount - 48 V ac 280 V ac 4 V dc 32 V dc Zero Crossing - Screw SCR, Triac -
RS stock no. 346-918
Mfr. Part No.D2425
R 723.13
Each
units
40 mA 25 A rms - Surface Mount - - 280 V rms - 32 V Zero Cross - - SCR -
RS stock no. 906-1017
Mfr. Part No.CPC1017N
BrandIXYS
R 18.434
Each (In a Bag of 5)
units
- 100 mA rms/mA dc - Surface Mount - - - - - DC SPNO PCB Pin MOSFET SOP
RS stock no. 479-0410
Mfr. Part No.RM1A48D50
R 634.01
Each
units
250 mA 50 A rms - Panel Mount - - 530 V - 32 V Zero Crossing - - Thyristor -
RS stock no. 857-7236
Mfr. Part No.RS1A23D25
R 438.01
Each
units
150 mA 25 A - Panel Mount - 42 V ac 265 V ac 3 V dc 32 V dc Zero SPNO Screw - -
RS stock no. 738-5636
Mfr. Part No.SDV2415R
R 196.64
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
RS stock no. 903-2914
Mfr. Part No.KSQF480D60
BrandKudom
R 2,221.76
Each
units
- 60 A - Panel Mount - 48 V ac 530 V ac 4 V dc 32 V dc Zero Crossing - Screw SCR -
RS stock no. 334-0266
Mfr. Part No.SPA07420
BrandCelduc
R 308.55
Each
units
50 mA 4 A - PCB Mount - - 275 V ac 12 V ac/dc 32 V Zero Crossing - - Triac -
RS stock no. 811-3306
Mfr. Part No.AQY282S
BrandPanasonic
R 32.89
Each
units
- 0.5 A - Surface Mount - - 60 V 1.5 V 5 V dc AC/DC SPNO Surface Mount PhotoMOS SOP
RS stock no. 353-001
Mfr. Part No.MP240D4
R 445.01
Each
units
0.02 A 4 A rms - PCB Mount - 24 V dc 280 V dc 3 V dc 32 V dc Zero Crossing - PCB Pin Triac -
RS stock no. 352-531
Mfr. Part No.A2450
R 853.35
Each
units
40 mA 50 A rms - Surface Mount - - 280 V rms - 280 V rms Zero Cross - - SCR -
RS stock no. 903-2970
Mfr. Part No.KSI240D40-L
BrandKudom
R 491.59
Each
units
- 40 A - Panel Mount - 48 V ac 280 V ac 4 V dc 32 V dc Zero Crossing - Screw SCR, Triac -
RS stock no. 346-687
Mfr. Part No.D2450
R 842.18
Each
units
40 mA 50 A rms - Surface Mount - 24 V ac 280 V ac 3 V dc 32 V dc Zero Cross - - SCR -
RS stock no. 200-2064
Mfr. Part No.D1D40
R 1,528.85
Each
units
1 mA 40 A - Surface Mount - - 100 V 3.5 V dc 32 V - - - MOSFET -
RS stock no. 903-2924
Mfr. Part No.KSQF480D25
BrandKudom
R 1,590.71
Each
units
- 25 A - Panel Mount - 48 V ac 530 V ac 4 V dc 32 V dc Zero Crossing - Screw SCR -
RS stock no. 741-3416
Mfr. Part No.LVD75D80
R 1,829.27
Each
units
5 mA 80 A - Surface Mount - 3 V dc 75 V dc 23 V dc 24 V dc DC SPST Screw FET Hockey Puck
RS stock no. 348-431
Mfr. Part No.MP240D3
R 376.77
Each
units
0.02 A 3 A - PCB Mount - 24 V 280 V rms 3 V, 32 V dc 32 V dc Zero Crossing - PCB Pin MOSFET -
RS stock no. 699-6506
Mfr. Part No.AQG22124
BrandPanasonic
R 105.22
Each
units
20 mA 2 A - PCB Mount - - 264 V 1.5 V dc 24 V dc Zero Crossing - PCB Pin - -
RS stock no. 699-6534
Mfr. Part No.AQV252G
BrandPanasonic
R 82.17
Each
units
- 2.5 A - PCB Mount - - 60 V 1.5 V dc 5 V dc - SPNO PCB Pin MOSFET -
RS stock no. 736-0879
Mfr. Part No.D2D40
R 1,792.54
Each
units
1 mA rms 40 A - Surface Mount - 0 V dc 200 V dc 3.5 V dc 32 V dc DC SPST Screw MOSFET -