Varistors – Mouser Singapore

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SIOV Metal Oxide Varistors

TDK SIOV Metal Oxide Varistors feature a wide operating voltage range of 11 to 1100V_RMS.These devices offer high surge current ratings up to 8kA and no derating up to 105°C ambient temperature. The SIOV leaded varistors meet new UL 1449 3rd Edition requirements. TDK SIOV Metal Oxide Varistors applications include lighting, radio and TV equipment, and household appliances.

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Part #

Varistors 175VAC 10% 14mm AdvanceD

B72214S2171K101
TDK
1: $0.639
994In Stock
3,000Expected 21/9/2026

Mfr. Part No.
B72214S2171K101

Mouser Part No
871-B72214S2171K101

TDK

Varistors 175VAC 10% 14mm AdvanceD

Learn More

Datasheet

994In Stock

3,000Expected 21/9/2026

$0.639

$0.404

$0.351

$0.325

View

Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 14mm

MOVs

PCB Mount

Radial

175 VAC

225 VDC

270 V

455 V

15.5 mm

6 kA

70 J

490 pF

- 40 C

+ 105 C

Bulk

Varistors 230VAC 10% 14mm AdvanceD

B72214S2231K101
TDK
1: $0.639
2,684In Stock

Mfr. Part No.
B72214S2231K101

Mouser Part No
871-B72214S2231K101

TDK

Varistors 230VAC 10% 14mm AdvanceD

Learn More

Datasheet

2,684In Stock

$0.639

$0.404

$0.351

$0.325

View

Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 14mm

MOVs

PCB Mount

Radial

230 VAC

300 VDC

360 V

595 V

15.5 mm

6 kA

90 J

380 pF

- 40 C

+ 105 C

Bulk

Varistors 250VAC 10% 14mm AdvanceD

B72214S2251K101
TDK
1: $0.721
328In Stock
6,000Expected 24/9/2026

Mfr. Part No.
B72214S2251K101

Mouser Part No
871-B72214S2251K101

TDK

Varistors 250VAC 10% 14mm AdvanceD

Learn More

Datasheet

328In Stock

6,000Expected 24/9/2026

$0.721

$0.45

$0.392

$0.363

View

Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 14mm

MOVs

PCB Mount

Radial

250 VAC

320 VDC

390 V

650 V

15.5 mm

6 kA

100 J

350 pF

- 40 C

+ 105 C

Bulk

Varistors 320VAC 10% 14mm AdvanceD

B72214S2321K101
TDK
1: $0.775
4,960In Stock
12,000Expected 7/9/2026

Mfr. Part No.
B72214S2321K101

Mouser Part No
871-B72214S2321K101

TDK

Varistors 320VAC 10% 14mm AdvanceD

Learn More

Datasheet

4,960In Stock

12,000Expected 7/9/2026

$0.775

$0.484

$0.422

$0.39

View

Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 14mm

MOVs

PCB Mount

Radial

320 VAC

420 VDC

510 V

840 V

10 mm

6 kA

136 J

280 pF

- 40 C

+ 105 C

Bulk

Varistors 320VAC 10% 14mm AdvanceD

B72214S2321K151
TDK
1: $0.802
1,674In Stock

Mfr. Part No.
B72214S2321K151

Mouser Part No
871-B72214S2321K151

TDK

Varistors 320VAC 10% 14mm AdvanceD

Learn More

Datasheet

1,674In Stock

Cut Tape

$0.802

$0.509

$0.442

$0.411

$0.392

Reel

$0.336

Min.: 1
Mult.: 1

: 1,000

Disc Varistor, AdvanceD 14mm

MOVs

PCB Mount

Radial

320 VAC

420 VDC

510 V

840 V

15.5 mm

6 kA

136 J

280 pF

- 40 C

+ 105 C

Reel, Cut Tape

Varistors 420VAC 10% 14mm AdvanceD

B72214S2421K101
TDK
1: $1.01
97In Stock
3,000Expected 28/8/2026

Mfr. Part No.
B72214S2421K101

Mouser Part No
871-B72214S2421K101

TDK

Varistors 420VAC 10% 14mm AdvanceD

Learn More

Datasheet

97In Stock

3,000Expected 28/8/2026

$1.01

$0.649

$0.568

$0.529

View

Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 14mm

MOVs

PCB Mount

Radial

420 VAC

560 VDC

680 V

1.12 kV

15.5 mm

5 kA

136 J

220 pF

- 40 C

+ 105 C

Bulk

Varistors 510VAC 10% 14mm AdvanceD

B72214S2511K101
TDK
1: $1.74
16In Stock
3,000Expected 14/9/2026

Mfr. Part No.
B72214S2511K101

Mouser Part No
871-B72214S2511K101

TDK

Varistors 510VAC 10% 14mm AdvanceD

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Datasheet

16In Stock

3,000Expected 14/9/2026

$1.74

$1.13

$0.827

$0.772

View

Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 14mm

MOVs

PCB Mount

Radial

510 VAC

670 VDC

820 V

1.355 kV

15.5 mm

5 kA

165 J

180 pF

- 40 C

+ 105 C

Bulk

Varistors 300VAC 10% 14mm StandarD

B72214S0301K501
TDK
1: $0.626
2,604In Stock

Mfr. Part No.
B72214S0301K501

Mouser Part No
871-B72214S301K501

TDK

Varistors 300VAC 10% 14mm StandarD

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Datasheet

2,604In Stock

$0.626

$0.394

$0.382

$0.363

View

Min.: 1
Mult.: 1

Disc Varistor,StandarD 14mm

MOVs

PCB Mount

Radial

300 VAC

385 VDC

470 V

775 V

14 mm

4.5 kA

76 J

400 pF

- 40 C

+ 105 C

Bulk

Varistors 320VAC 10% 14mm StandarD

B72214S0321K501
TDK
1: $0.626
699In Stock

Mfr. Part No.
B72214S0321K501

Mouser Part No
871-B72214S321K501

TDK

Varistors 320VAC 10% 14mm StandarD

Learn More

Datasheet

699In Stock

$0.626

$0.394

$0.343

$0.341

View

Min.: 1
Mult.: 1

Disc Varistor,StandarD 14mm

MOVs

PCB Mount

Radial

320 VAC

420 VDC

510 V

840 V

14 mm

4.5 kA

84 J

370 pF

- 40 C

+ 105 C

Bulk

Varistors 35VAC 10% 14mm StandarD

B72214S0350K151
TDK
1: $0.816
1,975In Stock

Mfr. Part No.
B72214S0350K151

Mouser Part No
871-B72214S350K151

TDK

Varistors 35VAC 10% 14mm StandarD

Learn More

Datasheet

1,975In Stock

Cut Tape

$0.816

$0.514

$0.447

$0.416

View

Reel

$0.34

Min.: 1
Mult.: 1

: 1,500

Disc Varistor,StandarD 14mm

MOVs

PCB Mount

Radial

35 VAC

45 VDC

56 V

110 V

14 mm

1 kA

10 J

4200 pF

- 40 C

+ 105 C

Reel, Cut Tape

Varistors 40VAC 10% 14mm StandarD

B72214S0400K551
TDK
1: $0.816
1,450In Stock

Mfr. Part No.
B72214S0400K551

Mouser Part No
871-B72214S400K551

TDK

Varistors 40VAC 10% 14mm StandarD

Learn More

Datasheet

1,450In Stock

Cut Tape

$0.816

$0.514

$0.447

$0.416

View

Reel

$0.34

Min.: 1
Mult.: 1

: 1,500

Disc Varistor,StandarD 14mm

MOVs

PCB Mount

Radial

40 VAC

56 VDC

68 V

135 V

14 mm

1 kA

13 J

3550 pF

- 40 C

+ 105 C

Reel, Cut Tape

Varistors 420VAC 10% 14mm StandarD

B72214S0421K101
TDK
1: $0.857
1,250In Stock
6,000Expected 21/9/2026

Mfr. Part No.
B72214S0421K101

Mouser Part No
871-B72214S421K101

TDK

Varistors 420VAC 10% 14mm StandarD

Learn More

Datasheet

1,250In Stock

6,000Expected 21/9/2026

$0.857

$0.549

$0.48

$0.446

View

Min.: 1
Mult.: 1

Disc Varistor,StandarD 14mm

MOVs

PCB Mount

Radial

420 VAC

560 VDC

680 V

1.12 kV

14 mm

4.5 kA

90 J

220 pF

- 40 C

+ 105 C

Bulk

Varistors 420VAC 10% 14mm StandarD

B72214S0421K331
TDK
1: $1.05
1,278In Stock

Mfr. Part No.
B72214S0421K331

Mouser Part No
871-B72214S421K331

TDK

Varistors 420VAC 10% 14mm StandarD

Learn More

Datasheet

1,278In Stock

Cut Tape

$1.05

$0.669

$0.586

$0.547

Reel

$0.468

$0.454

Min.: 1
Mult.: 1

: 500

Disc Varistor,StandarD 14mm

MOVs

PCB Mount

Radial

420 VAC

560 VDC

680 V

1.12 kV

14 mm

4.5 kA

90 J

290 pF

- 40 C

+ 105 C

Reel, Cut Tape

Varistors 60VAC 10% 14mm StandarD

B72214S0600K101
TDK
1: $0.639
5,226In Stock

Mfr. Part No.
B72214S0600K101

Mouser Part No
871-B72214S600K101

TDK

Varistors 60VAC 10% 14mm StandarD

Learn More

Datasheet

5,226In Stock

$0.639

$0.398

$0.347

$0.321

View

Min.: 1
Mult.: 1

Disc Varistor,StandarD 14mm

MOVs

PCB Mount

Radial

60 VAC

85 VDC

100 V

165 V

14 mm

4.5 kA

17 J

1650 pF

- 40 C

+ 105 C

Bulk

Varistors 95VAC 10% 14mm StandarD

B72214S0950K101
TDK
1: $0.639
714In Stock
3,000Expected 14/9/2026

Mfr. Part No.
B72214S0950K101

Mouser Part No
871-B72214S950K101

TDK

Varistors 95VAC 10% 14mm StandarD

Learn More

Datasheet

714In Stock

3,000Expected 14/9/2026

$0.639

$0.398

$0.347

$0.321

View

Min.: 1
Mult.: 1

Disc Varistor,StandarD 14mm

MOVs

PCB Mount

Radial

95 VAC

125 VDC

150 V

250 V

14 mm

4.5 kA

25 J

870 pF

- 40 C

+ 105 C

Bulk

Varistors 275VAC 10% 14mm 125 DegC AdvanceD

B72214U2271K501
TDK
1: $0.694
2,535In Stock

Mfr. Part No.
B72214U2271K501

Mouser Part No
871-B72214U2271K501

TDK

Varistors 275VAC 10% 14mm 125 DegC AdvanceD

Learn More

Datasheet

2,535In Stock

$0.694

$0.434

$0.356

$0.339

View

Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 125C, 85C/85%RH 14mm

MOVs

PCB Mount

Radial

275 VAC

350 VDC

430 V

710 V

17.5 mm

6 kA

110 J

440 pF

- 40 C

+ 125 C

Bulk

Varistors 320VAC 10% 14mm 125 DegC AdvanceD

B72214U2321K501
TDK
1: $0.666
1,298In Stock

Mfr. Part No.
B72214U2321K501

Mouser Part No
871-B72214U2321K501

TDK

Varistors 320VAC 10% 14mm 125 DegC AdvanceD

Learn More

Datasheet

1,298In Stock

$0.666

$0.409

$0.405

$0.336

View

Min.: 1
Mult.: 1

Disc Varistor, AdvanceD 125C, 85C/85%RH 14mm

MOVs

PCB Mount

Radial

320 VAC

420 VDC

510 V

840 V

17.5 mm

6 kA

136 J

370 pF

- 40 C

+ 125 C

Bulk

Varistors 460VAC 10% 20mm SuperioR MP

B72220P3461K101
TDK
1: $2.05
686In Stock

Mfr. Part No.
B72220P3461K101

Mouser Part No
871-B72220P3461K101

TDK

Varistors 460VAC 10% 20mm SuperioR MP

Learn More

Datasheet

686In Stock

$2.05

$1.51

$1.37

$1.16

View

Min.: 1
Mult.: 1

Disc Varistor, Multi-Pulse SuperioR 20mm

MOVs

PCB Mount

Radial

460 VAC

615 VDC

750 V

1.24 kV

22.5 mm

12 kA

445 J

660 pF

- 40 C

+ 105 C

Bulk

Varistors 385VAC 10% 20mm EnergetiQ

B72220Q0381K101
TDK
1: $1.93
1,359In Stock

Mfr. Part No.
B72220Q0381K101

Mouser Part No
871-B72220Q0381K101

TDK

Varistors 385VAC 10% 20mm EnergetiQ

Learn More

Datasheet

1,359In Stock

$1.93

$1.41

$1.28

$1.09

View

Min.: 1
Mult.: 1

Disc Varistor, EnergetiQ 20mm

MOVs

PCB Mount

Radial

385 VAC

505 VDC

620 V

1.025 kV

22.5 mm

15 kA

315 J

780 pF

- 40 C

+ 105 C

Bulk

Varistors 175VAC 10% 20mm EnergetiQ

B72220Q0171K101
TDK
1: $1.93
618In Stock

Mfr. Part No.
B72220Q0171K101

Mouser Part No
871-B72220Q171K101

TDK

Varistors 175VAC 10% 20mm EnergetiQ

Learn More

Datasheet

618In Stock

$1.93

$1.41

$1.28

$1.14

View

Min.: 1
Mult.: 1

Disc Varistor, EnergetiQ 20mm

MOVs

PCB Mount

Radial

175 VAC

225 VDC

270 V

455 V

22.5 mm

15 kA

135 J

1500 pF

- 40 C

+ 105 C

Bulk

Varistors 230VAC 10% 20mm EnergetiQ

B72220Q0231K101
TDK
1: $1.93
1,192In Stock

Mfr. Part No.
B72220Q0231K101

Mouser Part No
871-B72220Q231K101

TDK

Varistors 230VAC 10% 20mm EnergetiQ

Learn More

Datasheet

1,192In Stock

$1.93

$1.41

$1.28

$1.14

View

Min.: 1
Mult.: 1

Disc Varistor, EnergetiQ 20mm

MOVs

PCB Mount

Radial

230 VAC

300 VDC

360 V

595 V

20 mm

15 kA

180 J

1350 pF

- 40 C

+ 105 C

Bulk

Varistors 250VAC 10% 20mm EnergetiQ

B72220Q0251K101
TDK
1: $1.93
1,508In Stock

Mfr. Part No.
B72220Q0251K101

Mouser Part No
871-B72220Q251K101

TDK

Varistors 250VAC 10% 20mm EnergetiQ

Learn More

Datasheet

1,508In Stock

$1.93

$1.41

$1.28

$1.14

View

Min.: 1
Mult.: 1

Disc Varistor, EnergetiQ 20mm

MOVs

PCB Mount

Radial

250 VAC

320 VDC

390 V

650 V

20 mm

8 kA

140 J

940 pF

- 40 C

+ 105 C

Bulk

Varistors 275VAC 10% 20mm EnergetiQ

B72220Q0271K101
TDK
1: $1.93
1,157In Stock
3,000Expected 17/8/2026

Mfr. Part No.
B72220Q0271K101

Mouser Part No
871-B72220Q271K101

TDK

Varistors 275VAC 10% 20mm EnergetiQ

Learn More

Datasheet

1,157In Stock

3,000Expected 17/8/2026

$1.93

$1.41

$1.28

$1.14

View

Min.: 1
Mult.: 1

Disc Varistor, EnergetiQ 20mm

MOVs

PCB Mount

Radial

275 VAC

350 VDC

430 V

710 V

20 mm

15 kA

215 J

930 pF

- 40 C

+ 105 C

Bulk

Varistors 300VAC 10% 20mm EnergetiQ

B72220Q0301K101
TDK
1: $1.93
30In Stock
1,500Expected 21/9/2026

Mfr. Part No.
B72220Q0301K101

Mouser Part No
871-B72220Q301K101

TDK

Varistors 300VAC 10% 20mm EnergetiQ

Learn More

Datasheet

30In Stock

1,500Expected 21/9/2026

$1.93

$1.41

$1.28

$1.14

View

Min.: 1
Mult.: 1

Disc Varistor, EnergetiQ 20mm

MOVs

PCB Mount

Radial

300 VAC

385 VDC

470 V

775 V

20 mm

15 kA

235 J

850 pF

- 40 C

+ 105 C

Bulk

Varistors 25VAC 10% 20mm StandarD

B72220S0250K151
TDK
1: $1.50
1,756In Stock

Mfr. Part No.
B72220S0250K151

Mouser Part No
871-B72220S0250K151

TDK

Varistors 25VAC 10% 20mm StandarD

Learn More

Datasheet

1,756In Stock

Cut Tape

$1.50

$0.976

$0.861

$0.806

Reel

$0.748

View

Min.: 1
Mult.: 1

: 1,000

Disc Varistor, StandarD 20mm

MOVs

PCB Mount

Radial

25 VAC

31 VDC

39 V

77 V

20 mm

2 kA

22 J

0.0111 uF

- 40 C

+ 105 C

Reel, Cut Tape

SIOV Metal Oxide Varistors

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B72220P
B72220Q
B722xxS1
B722xxS2
B722xxS3/4
B722xxU
Disc Varistor, AdvanceD 10mm
Disc Varistor, AdvanceD 125C, 85C/85%RH 10mm
Disc Varistor, AdvanceD 125C, 85C/85%RH 14mm
Disc Varistor, AdvanceD 125C, 85C/85%RH 20mm
Disc Varistor, AdvanceD 125C, 85C/85%RH 5mm
Disc Varistor, AdvanceD 125C, 85C/85%RH 7mm
Disc Varistor, AdvanceD 14mm
Disc Varistor, AdvanceD 20mm
Disc Varistor, AdvanceD 5mm
Disc Varistor, AdvanceD 7mm
Disc Varistor, Auto-Grade 10mm
Disc Varistor, Auto-Grade 14mm
Disc Varistor, Auto-Grade 20mm

11 VAC
14 VAC
17 VAC
20 VAC
25 VAC
30 VAC
35 VAC
40 VAC
48 VAC
50 VAC
60 VAC
75 VAC
95 VAC
125 VAC
130 VAC
140 VAC
150 VAC
175 VAC
210 VAC
230 VAC

14 VDC
16 VDC
18 VDC
20 VDC
22 VDC
26 VDC
28 VDC
31 VDC
34 VDC
38 VDC
45 VDC
50 VDC
56 VDC
65 VDC
85 VDC
100 VDC
125 VDC
150 VDC
170 VDC
180 VDC

18 V
22 V
27 V
33 V
39 V
47 V
56 V
68 V
82 V
100 V
120 V
150 V
180 V
205 V
220 V
240 V
270 V
330 V
360 V
390 V

36 V
43 V
53 V
65 V
77 V
93 V
110 V
135 V
165 V
200 V
250 V
300 V
340 V
360 V
395 V
455 V
545 V
595 V
650 V
710 V

0.8 mm
5 mm
7 mm
9 mm
10 mm
11 mm
12 mm
12.5 mm
14 mm
15.5 mm
16 mm
16.5 mm
17 mm
17.5 mm
20 mm
21.5 mm
22.5 mm
23 mm
23.5 mm
25 mm

2.5 A
25 A
100 A
250 A
400 A
500 A
800 A
1 kA
1.2 kA
1.75 kA
2 kA
2.5 kA
3.5 kA
4.5 kA
5 kA
6 kA
6.5 kA
7 kA
8 kA
10 kA

300 mJ
400 mJ
500 mJ
600 mJ
700 mJ
0.8 J
800 mJ
0.9 J
900 mJ
1.1 J
1.3 J
1.6 J
1.7 J
1.8 J
2 J
2.2 J
2.5 J
3 J
3.1 J
3.2 J

30 pF
32 pF
35 pF
37 pF
40 pF
45 pF
50 pF
55 pF
60 pF
65 pF
70 pF
72 pF
75 pF
85 pF
90 pF
95 pF
100 pF
105 pF
110 pF
115 pF