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AC/DC Power Supply

Littelfuse AC/DC Power Supply is a commonly used building block in electronic designs. The components in these power supply building blocks need to be reliable and long-lasting, and Littelfuse offers a range of products that fit those requirements. This portfolio of components covers overcurrent and overvoltage protection, the power stage, and output protection. Typical applications for Littelfuse AC/DC Power Supply products include automotive, solar, industrial, manufacturing, and more.

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Part #

Thyristor Surge Protection Devices - TSPD 50A 25V

P0300SALRP
Littelfuse
1: $1.42
4,506In Stock

Mfr. Part No.
P0300SALRP

Mouser Part No
576-P0300SALRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 50A 25V

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Datasheet

4,506In Stock

Cut Tape

$1.42

$0.928

$0.637

$0.488

$0.445

Reel

$0.409

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Thyristor Surge Protection Devices - TSPD 500A 25V 25-45pF

P0300SCMCLRP
Littelfuse
1: $1.85
2,676In Stock

Mfr. Part No.
P0300SCMCLRP

Mouser Part No
576-P0300SCMCLRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 500A 25V 25-45pF

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Datasheet

2,676In Stock

Cut Tape

$1.85

$1.21

$0.823

$0.672

$0.611

Reel

$0.554

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Thyristor Surge Protection Devices - TSPD Modified TO-220 SIDACtor

P0602AAL
Littelfuse
1: $3.29
1,356In Stock

Mfr. Part No.
P0602AAL

Mouser Part No
576-P0602AAL

Littelfuse

Thyristor Surge Protection Devices - TSPD Modified TO-220 SIDACtor

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Datasheet

1,356In Stock

$3.29

$2.12

$1.51

$1.38

Min.: 1
Mult.: 1

Thyristor Surge Protection Devices - TSPD SIDACtor Bi 58V 3000A DO214AB RoHS

P0640S3NLRP
Littelfuse
1: $6.05
3,656In Stock

Mfr. Part No.
P0640S3NLRP

Mouser Part No
576-P0640S3NLRP

Littelfuse

Thyristor Surge Protection Devices - TSPD SIDACtor Bi 58V 3000A DO214AB RoHS

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Datasheet

3,656In Stock

Cut Tape

$6.05

$4.06

$2.93

$2.90

$2.74

Reel

$2.70

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Thyristor Surge Protection Devices - TSPD 500A 90V

P1101SCLRP
Littelfuse
1: $1.54
2,543In Stock

Mfr. Part No.
P1101SCLRP

Mouser Part No
576-P1101SCLRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 500A 90V

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Datasheet

2,543In Stock

Cut Tape

$1.54

$0.886

$0.678

$0.593

Reel

$0.593

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Thyristor Surge Protection Devices - TSPD HIGH SURGE 220V 1000A

P2600SDLRP
Littelfuse
1: $1.93
3,317In Stock

Mfr. Part No.
P2600SDLRP

Mouser Part No
576-P2600SDLRP

Littelfuse

Thyristor Surge Protection Devices - TSPD HIGH SURGE 220V 1000A

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Datasheet

3,317In Stock

Cut Tape

$1.93

$1.23

$0.83

$0.658

$0.601

Reel

$0.572

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Thyristor Surge Protection Devices - TSPD 50A 275V

P3100SALRP
Littelfuse
1: $1.58
8,997In Stock
5,000Expected 2026/04/28

Mfr. Part No.
P3100SALRP

Mouser Part No
576-P3100SALRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 50A 275V

Learn More

Datasheet

8,997In Stock

5,000Expected 2026/04/28

Cut Tape

$1.58

$0.994

$0.661

$0.521

$0.472

Reel

$0.409

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Thyristor Surge Protection Devices - TSPD 3Chp 270V 100A

P3203ABL
Littelfuse
1: $4.48
861In Stock

Mfr. Part No.
P3203ABL

Mouser Part No
576-P3203ABL

Littelfuse

Thyristor Surge Protection Devices - TSPD 3Chp 270V 100A

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Datasheet

861In Stock

$4.48

$3.04

$2.27

Min.: 1
Mult.: 1

Thyristor Surge Protection Devices - TSPD 19V 80A SOT23-6L Sidactor

SDP0240T023G6RP
Littelfuse
1: $1.47
5,000In Stock

Mfr. Part No.
SDP0240T023G6RP

Mouser Part No
576-SDP0240T023G6RP

Littelfuse

Thyristor Surge Protection Devices - TSPD 19V 80A SOT23-6L Sidactor

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Datasheet

5,000In Stock

Cut Tape

$1.47

$0.935

$0.633

$0.502

$0.456

Reel

$0.431

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Thyristor Surge Protection Devices - TSPD SEP Ethernet 100A Biasd Protec. Device

SEP0080Q38CB
Littelfuse
1: $3.62
7,376In Stock

Mfr. Part No.
SEP0080Q38CB

Mouser Part No
576-SEP0080Q38CB

Littelfuse

Thyristor Surge Protection Devices - TSPD SEP Ethernet 100A Biasd Protec. Device

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Datasheet

7,376In Stock

Cut Tape

$3.62

$2.37

$2.05

Reel

$2.05

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Thyristor Surge Protection Devices - TSPD SEP Ethernet 100A Biasd Protec. Device

SEP0640Q38CB
Littelfuse
1: $3.33
8,364In Stock

Mfr. Part No.
SEP0640Q38CB

Mouser Part No
576-SEP0640Q38CB

Littelfuse

Thyristor Surge Protection Devices - TSPD SEP Ethernet 100A Biasd Protec. Device

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Datasheet

8,364In Stock

Cut Tape

$3.33

$2.23

$1.66

$1.51

Reel

$1.51

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

ESD Protection Diodes / TVS Diodes 600W 18V 5% Bi-Directional

SMBJ18CA
Littelfuse
1: $0.34
27,559In Stock
21,000Expected 2026/06/15

Mfr. Part No.
SMBJ18CA

Mouser Part No
576-SMBJ18CA

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 18V 5% Bi-Directional

Learn More

Datasheet

27,559In Stock

21,000Expected 2026/06/15

Cut Tape

$0.34

$0.247

$0.126

$0.122

Reel

$0.092

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 40V 5% Bi-Directional

SMBJ40CA
Littelfuse
1: $0.23
16,713In Stock
18,000Expected 2026/06/18

Mfr. Part No.
SMBJ40CA

Mouser Part No
576-SMBJ40CA

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 40V 5% Bi-Directional

Learn More

Datasheet

16,713In Stock

18,000Expected 2026/06/18

Cut Tape

$0.23

$0.204

$0.114

$0.113

$0.112

Reel

$0.092

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Varistors THERMALLY PROTECTED VARISTOR 14MM

TMOV14RP320EL2T7
Littelfuse
1: $2.73
1,440In Stock

Mfr. Part No.
TMOV14RP320EL2T7

Mouser Part No
576-TMOV14RP320EL2T7

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 14MM

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Datasheet

1,440In Stock

Cut Tape

$2.73

$1.86

$1.76

$1.49

Reel

$1.23

View

Min.: 1
Mult.: 1

Reel: 400

Varistors THERMALLY PROTECTED VARISTOR 14MM

TMOV14RP420E
Littelfuse
1: $2.72
2,594In Stock

Mfr. Part No.
TMOV14RP420E

Mouser Part No
576-TMOV14RP420E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 14MM

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Datasheet

2,594In Stock

$2.72

$1.90

$1.78

$1.52

View

Min.: 1
Mult.: 1

Varistors THERMALLY PROTECTED VARISTOR 20MM

TMOV20RP130E
Littelfuse
1: $3.06
1,384In Stock

Mfr. Part No.
TMOV20RP130E

Mouser Part No
576-TMOV20RP130E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 20MM

Learn More

Datasheet

Product Comments

1,384In Stock

$3.06

$2.13

$2.01

$1.71

View

Min.: 1
Mult.: 1

Varistors THERMALLY PROTECTED VARISTOR 20MM

TMOV20RP130M
Littelfuse
1: $3.14
6,046In Stock

Mfr. Part No.
TMOV20RP130M

Mouser Part No
576-TMOV20RP130M

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 20MM

Learn More

Datasheet

6,046In Stock

$3.14

$2.26

$2.13

$1.81

View

Min.: 1
Mult.: 1

Varistors THERMALLY PROTECTED VARISTOR 20MM

TMOV20RP150E
Littelfuse
1: $3.06
4,170In Stock

Mfr. Part No.
TMOV20RP150E

Mouser Part No
576-TMOV20RP150E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 20MM

Learn More

Datasheet

4,170In Stock

$3.06

$2.13

$2.01

$1.71

View

Min.: 1
Mult.: 1

Varistors THERMALLY PROTECTED VARISTOR 20MM

TMOV20RP150M
Littelfuse
1: $2.76
6,773In Stock

Mfr. Part No.
TMOV20RP150M

Mouser Part No
576-TMOV20RP150M

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 20MM

Learn More

Datasheet

6,773In Stock

$2.76

$2.02

$1.91

$1.67

View

Min.: 1
Mult.: 1

Varistors THERMALLY PROTECTED VARISTOR 20MM

TMOV20RP275E
Littelfuse
1: $2.67
5,720In Stock

Mfr. Part No.
TMOV20RP275E

Mouser Part No
576-TMOV20RP275E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 20MM

Learn More

Datasheet

5,720In Stock

$2.67

$1.66

$1.55

$1.35

View

Min.: 1
Mult.: 1

Varistors THERMALLY PROTECTED VARISTOR 20MM

TMOV20RP300E
Littelfuse
1: $3.07
1,385In Stock
1,500Expected 2026/04/20

Mfr. Part No.
TMOV20RP300E

Mouser Part No
576-TMOV20RP300E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 20MM

Learn More

Datasheet

1,385In Stock

1,500Expected 2026/04/20

$3.07

$1.69

$1.59

$1.40

View

Min.: 1
Mult.: 1

Varistors THERMALLY PROTECTED VARISTOR 20MM

TMOV20RP320E
Littelfuse
1: $1.93
1,431In Stock

Mfr. Part No.
TMOV20RP320E

Mouser Part No
576-TMOV20RP320E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 20MM

Learn More

Datasheet

1,431In Stock

$1.93

$1.43

$1.31

$1.17

View

Min.: 1
Mult.: 1

Varistors THERMALLY PROTECTED VARISTOR 20MM

TMOV20RP385E
Littelfuse
1: $2.80
1,630In Stock

Mfr. Part No.
TMOV20RP385E

Mouser Part No
576-TMOV20RP385E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 20MM

Learn More

Datasheet

1,630In Stock

$2.80

$2.02

$1.90

$1.63

View

Min.: 1
Mult.: 1

Varistors THERMALLY PROTECTED VARISTOR 20MM

TMOV20RP575E
Littelfuse
1: $3.26
1,165In Stock

Mfr. Part No.
TMOV20RP575E

Mouser Part No
576-TMOV20RP575E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 20MM

Learn More

Datasheet

1,165In Stock

$3.26

$1.93

$1.87

$1.76

View

Min.: 1
Mult.: 1

Varistors THERMALLY PROTECTED VARISTOR 20MM

TMOV20RP750E
Littelfuse
1: $3.08
1,195In Stock
1,200Expected 2026/06/08

Mfr. Part No.
TMOV20RP750E

Mouser Part No
576-TMOV20RP750E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 20MM

Learn More

Datasheet

1,195In Stock

1,200Expected 2026/06/08

$3.08

$2.24

$1.99

$1.88

View

Min.: 1
Mult.: 1

AC/DC Power Supply

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AC/DC Power Supply

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