Littelfuse Inc. Solid State Relays (SSR)

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Series
Package
Product Status
Mounting Type
Relay Type
Circuit
Output Type
Voltage - Input
Voltage - Load
Load Current
On-State Resistance (Max)
Termination Style
Operating Temperature
Package / Case
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33
In Stock
79
Factory
1 : $107.29000
Bulk
Bulk
Active
Chassis Mount
Photo-Coupled Relay (Photorelay)
SPST-NO (1 Form A)
AC, Zero Cross
4 ~ 32VDC
24 V ~ 240 V
10 A
6.3 mOhms
Screw Terminal
-40°C ~ 70°C
-
-
CE, cURus, IEC
-
-
93
In Stock
1 : $112.59000
Bulk
Bulk
Active
Chassis Mount
Photo-Coupled Relay (Photorelay)
SPST-NO (1 Form A)
AC, Zero Cross
4 ~ 32VDC
24 V ~ 240 V
25 A
6.3 mOhms
Screw Terminal
-40°C ~ 70°C
-
-
CE, cURus, IEC
-
-
34
In Stock
1 : $114.71000
Bulk
Bulk
Active
Chassis Mount
Photo-Coupled Relay (Photorelay)
SPST-NO (1 Form A)
AC
4 ~ 32VDC
24 V ~ 240 V
25 A
6.3 mOhms
Screw Terminal
-40°C ~ 70°C
-
-
CE, cURus, IEC
-
-
28
In Stock
1 : $117.32000
Bulk
Bulk
Active
Chassis Mount
Photo-Coupled Relay (Photorelay)
SPST-NO (1 Form A)
AC, Zero Cross
4 ~ 32VDC
24 V ~ 240 V
10 A
6.3 mOhms
Screw Terminal
-40°C ~ 70°C
-
-
CE, cURus, IEC
-
-
87
In Stock
1 : $123.17000
Bulk
Bulk
Active
Chassis Mount
Photo-Coupled Relay (Photorelay)
SPST-NO (1 Form A)
AC, Zero Cross
4 ~ 32VDC
24 V ~ 240 V
25 A
6.3 mOhms
Screw Terminal
-40°C ~ 70°C
-
-
CE, cURus, IEC
-
-
69
In Stock
56
Factory
1 : $144.53000
Bulk
Bulk
Active
Chassis Mount
Photo-Coupled Relay (Photorelay)
SPST-NO (1 Form A)
AC, Zero Cross
4 ~ 32VDC
24 V ~ 240 V
50 A
6.3 mOhms
Screw Terminal
-40°C ~ 70°C
-
-
CE, cURus, IEC
-
-
44
In Stock
1 : $154.72000
Bulk
Bulk
Active
Chassis Mount
Photo-Coupled Relay (Photorelay)
SPST-NO (1 Form A)
AC, Zero Cross
4 ~ 32VDC
48 V ~ 600 V
25 A
6.3 mOhms
Screw Terminal
-40°C ~ 70°C
-
-
CE, cURus, IEC
-
-
57
In Stock
23
Factory
1 : $173.19000
Bulk
Bulk
Active
Chassis Mount
Photo-Coupled Relay (Photorelay)
SPST-NO (1 Form A)
AC, Zero Cross
4 ~ 32VDC
48 V ~ 600 V
50 A
6.3 mOhms
Screw Terminal
-40°C ~ 70°C
-
-
CE, cURus, IEC
-
-
6-SMD
LCA125STR
SSR RELAY SPST-NO 170MA 0-350V
Littelfuse Inc.
990
In Stock
1,000
Factory
1,000 : $4.61730
Tape & Reel (TR)
Tape & Reel (TR)
Active
Surface Mount
Photo-Coupled Relay (Photorelay)
SPST-NO (1 Form A)
AC, DC
1.2VDC
0 V ~ 350 V
170 mA
16 Ohms
Gull Wing
-40°C ~ 85°C
6-SMD (0.300", 7.62mm)
6-SMD
CSA, EN, UL
-
-
6 DIP
XCA170
SSR RELAY SPST-NO 100MA 0-350V
Littelfuse Inc.
250
In Stock
1 : $8.20000
Tube
Tube
Active
Through Hole
Photo-Coupled Relay (Photorelay)
SPST-NO (1 Form A)
AC, DC
1.2VDC
0 V ~ 350 V
100 mA
50 Ohms
PC Pin
-40°C ~ 85°C
6-DIP (0.300", 7.62mm)
6-DIP
CSA, EN, UL
-
-
XAA170
CPC1961G
SSR RELAY SPST-NO 250MA 0-600V
Littelfuse Inc.
250
In Stock
1 : $8.20000
Tube
Tube
Active
Through Hole
Photo-Coupled Relay (Photorelay)
SPST-NO (1 Form A) x 2
AC, Zero Cross
1.2VDC
0 V ~ 600 V
250 mA
-
PC Pin
-40°C ~ 85°C
8-DIP (0.300", 7.62mm)
8-DIP
CSA, UL
-
-
CPC1961GS
CPC1961GS
SSR RELAY SPST-NO 250MA 0-600V
Littelfuse Inc.
246
In Stock
1 : $8.20000
Tube
Tube
Active
Surface Mount
Photo-Coupled Relay (Photorelay)
SPST-NO (1 Form A) x 2
AC, Zero Cross
1.2VDC
0 V ~ 600 V
250 mA
-
Gull Wing
-40°C ~ 85°C
8-SMD (0.300", 7.62mm)
8-SMD
CSA, UL
-
-
6 DIP
CPC1540G
SSR RELAY SPST-NO 120MA 0-350V
Littelfuse Inc.
490
In Stock
950
Factory
1 : $10.71000
Tube
Tube
Active
Through Hole
Photo-Coupled Relay (Photorelay)
SPST-NO (1 Form A)
AC, DC
1.24VDC
0 V ~ 350 V
120 mA
25 Ohms
PC Pin
-40°C ~ 85°C
6-DIP (0.300", 7.62mm)
6-DIP
CSA, TUV, UL
-
-
6 DIP
PLA190
SSR RELAY SPST-NO 150MA 0-400V
Littelfuse Inc.
250
In Stock
1 : $15.22000
Tube
Tube
Active
Through Hole
Photo-Coupled Relay (Photorelay)
SPST-NO (1 Form A)
AC, DC
1.2VDC
0 V ~ 400 V
150 mA
22 Ohms
PC Pin
-40°C ~ 105°C
6-DIP (0.300", 7.62mm)
6-DIP
EN, UL
-
-
212-8-SMD
PAA190STR
SSR RELAY SPST-NO 150MA 0-400V
Littelfuse Inc.
1,000
In Stock
1,000 : $16.46208
Tape & Reel (TR)
Tape & Reel (TR)
Active
Surface Mount
Photo-Coupled Relay (Photorelay)
SPST-NO (1 Form A) x 2
AC, DC
1.2VDC
0 V ~ 400 V
150 mA
22 Ohms
Gull Wing
-40°C ~ 85°C
8-SMD (0.300", 7.62mm)
8-SMD
CSA, EN, UL
-
-
XAA170
LAA100
SSR RELAY SPST-NO 120MA 0-350V
Littelfuse Inc.
250
In Stock
1,300
Factory
1 : $17.76000
Tube
Tube
Active
Through Hole
Photo-Coupled Relay (Photorelay)
SPST-NO (1 Form A) x 2
AC, DC
1.2VDC
0 V ~ 350 V
120 mA
25 Ohms
PC Pin
-40°C ~ 85°C
8-DIP (0.300", 7.62mm)
8-DIP
CSA, TUV, UL
-
-
XAA170
XBB170
SSR RELAY SPST-NC 100MA 0-350V
Littelfuse Inc.
214
In Stock
350
Factory
1 : $18.43000
Tube
Tube
Active
Through Hole
Photo-Coupled Relay (Photorelay)
SPST-NC (1 Form B) x 2
AC, DC
1.2VDC
0 V ~ 350 V
100 mA
50 Ohms
PC Pin
-40°C ~ 85°C
8-DIP (0.300", 7.62mm)
8-DIP
CSA, EN, UL
-
-
PM1205S
PM1205S
SSR RELAY SPST-NO 500MA 0-500V
Littelfuse Inc.
150
In Stock
1 : $20.85000
Tube
Tube
Active
Surface Mount
Photo-Coupled Relay (Photorelay)
SPST-NO (1 Form A)
AC, Zero Cross
1.2VDC
0 V ~ 500 V
500 mA
-
Gull Wing
-40°C ~ 85°C
6-SMD (0.300", 7.62mm)
6-SMD
CSA, UL
-
-
6 DIP
PM1204
SSR RELAY SPST-NO 500MA 0-400V
Littelfuse Inc.
250
In Stock
850
Factory
1 : $23.02000
Tube
Tube
Active
Through Hole
Photo-Coupled Relay (Photorelay)
SPST-NO (1 Form A)
AC, Zero Cross
1.2VDC
0 V ~ 400 V
500 mA
-
PC Pin
-40°C ~ 85°C
6-DIP (0.300", 7.62mm)
6-DIP
CSA, UL
-
-
PHS230A6
PHS230A6
SSR RELAY SPST-NO 6A
Littelfuse Inc.
3
In Stock
1 : $148.89000
Bulk
Bulk
Active
Chassis Mount
Photo-Coupled Relay (Photorelay)
SPST-NO (1 Form A)
AC, Proportional Control
230VAC
-
6 A
-
Quick Connect - 0.250" (6.3mm)
-20°C ~ 60°C
Module
-
UR
-
-
PHS120A20
PHS120A20
SSR RELAY SPST-NO 20A
Littelfuse Inc.
5
In Stock
57
Factory
1 : $163.47000
Bulk
Bulk
Active
Chassis Mount
Photo-Coupled Relay (Photorelay)
SPST-NO (1 Form A)
AC, Proportional Control
120VAC
-
20 A
-
Quick Connect - 0.250" (6.3mm)
-20°C ~ 60°C
Module
-
UR
-
-
9
In Stock
7
Factory
1 : $96.75000
Bulk
Bulk
Active
Chassis Mount
Photo-Coupled Relay (Photorelay)
SPST-NO (1 Form A)
AC, Zero Cross
4 ~ 32VDC
24 V ~ 240 V
10 A
6.3 mOhms
Quick Connect - 0.250" (6.3mm)
-40°C ~ 70°C
-
-
CE, cURus, IEC
-
-
7
In Stock
7
Factory
1 : $102.22000
Bulk
Bulk
Active
Chassis Mount
Photo-Coupled Relay (Photorelay)
SPST-NO (1 Form A)
AC, Zero Cross
4 ~ 32VDC
24 V ~ 240 V
25 A
6.3 mOhms
Quick Connect - 0.250" (6.3mm)
-40°C ~ 70°C
-
-
CE, cURus, IEC
-
-
25
In Stock
1 : $109.43000
Bulk
Bulk
Active
Chassis Mount
Photo-Coupled Relay (Photorelay)
SPST-NO (1 Form A)
AC
4 ~ 32VDC
24 V ~ 240 V
10 A
6.3 mOhms
Screw Terminal
-40°C ~ 70°C
-
-
CE, cURus, IEC
-
-
10
In Stock
1 : $113.20000
Bulk
Bulk
Active
Chassis Mount
Photo-Coupled Relay (Photorelay)
SPST-NO (1 Form A)
AC, Zero Cross
90 ~ 280VAC
24 V ~ 240 V
10 A
6.3 mOhms
Screw Terminal
-40°C ~ 70°C
-
-
CE, cURus, IEC
-
-
Showing
of 88

Solid State Relays (SSR)

A solid state relay (SSR) is an electronic switching device that switches on or off when an external voltage is applied across its control terminals. Unlike traditional electromagnetic relays, SSRs have no moving parts and rely on semiconductor components like thyristors, triacs, diodes, and transistors to perform switching operations.

Key features and benefits of solid state relays include:

  1. Durability and Longevity: Without mechanical parts, SSRs have a longer operational life and are less prone to wear and tear.
  2. Fast Switching: SSRs can switch on and off rapidly, making them suitable for applications requiring high-speed operation.
  3. Silent Operation: The absence of mechanical movement results in noiseless switching.
  4. Vibration Resistance: Their solid-state nature makes SSRs resistant to shock and vibration, enhancing reliability in harsh environments.
  5. Reduced Electromagnetic Interference (EMI): SSRs generate less EMI compared to electromagnetic relays.

Solid state relays are commonly used in applications where fast switching, silent operation, and high reliability are required, such as in industrial automation, HVAC systems, lighting controls, and home appliances. They are available in various configurations to handle different voltage and current levels, providing flexibility in design and usage.

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