Varistors – Mouser Canada

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SIOV Metal Oxide Varistors

TDK EPCOS 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 EPCOS SIOV Metal Oxide Varistors applications include lighting, radio and TV equipment, and household appliances.

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Part #

Varistors 35VAC 10% 20mm StandarD

B72220S0350K101
EPCOS / TDK
1: $2.28
6,534In Stock
3,000Expected 2026-03-09

Mfr. Part #
B72220S0350K101

Mouser Part #
871-B72220S350K101

EPCOS / TDK

Varistors 35VAC 10% 20mm StandarD

Learn More

Datasheet

6,534In Stock

3,000Expected 2026-03-09

$2.28

$1.40

$0.983

$0.913

View

Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm

MOVs

PCB Mount

Radial

35 VAC

45 VDC

56 V

110 V

20 mm

2 kA

33 J

8000 pF

- 40 C

+ 105 C

Bulk

Varistors 385VAC 10% 20mm StandarD

B72220S0381K101
EPCOS / TDK
1: $2.28
16,269In Stock

Mfr. Part #
B72220S0381K101

Mouser Part #
871-B72220S381K101

EPCOS / TDK

Varistors 385VAC 10% 20mm StandarD

Learn More

Datasheet

16,269In Stock

$2.28

$1.40

$0.983

$0.913

View

Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm

MOVs

PCB Mount

Radial

385 VAC

505 VDC

620 V

1.025 kV

20 mm

8 kA

150 J

450 pF

- 40 C

+ 105 C

Bulk

Varistors 420VAC 10% 20mm StandarD

B72220S0421K101
EPCOS / TDK
1: $2.82
8,306In Stock

Mfr. Part #
B72220S0421K101

Mouser Part #
871-B72220S421K101

EPCOS / TDK

Varistors 420VAC 10% 20mm StandarD

Learn More

Datasheet

8,306In Stock

$2.82

$1.74

$1.20

$1.12

View

Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm

MOVs

PCB Mount

Radial

420 VAC

560 VDC

680 V

1.12 kV

20 mm

8 kA

175 J

420 pF

- 40 C

+ 105 C

Bulk

Varistors 460VAC 10% 20mm StandarD

B72220S0461K101
EPCOS / TDK
1: $2.82
4,648In Stock

Mfr. Part #
B72220S0461K101

Mouser Part #
871-B72220S461K101

EPCOS / TDK

Varistors 460VAC 10% 20mm StandarD

Learn More

Datasheet

4,648In Stock

$2.82

$1.74

$1.20

$1.12

View

Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm

MOVs

PCB Mount

Radial

460 VAC

615 VDC

750 V

1.24 kV

20 mm

8 kA

195 J

380 pF

- 40 C

+ 105 C

Bulk

Varistors 50VAC 10% 20mm StandarD

B72220S0500K101
EPCOS / TDK
1: $2.28
4,271In Stock

Mfr. Part #
B72220S0500K101

Mouser Part #
871-B72220S500K101

EPCOS / TDK

Varistors 50VAC 10% 20mm StandarD

Learn More

Datasheet

4,271In Stock

$2.28

$1.40

$0.983

$0.913

View

Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm

MOVs

PCB Mount

Radial

50 VAC

65 VDC

82 V

135 V

20 mm

6.5 kA

27 J

3800 pF

- 40 C

+ 105 C

Bulk

Varistors 510VAC 10% 20mm StandarD

B72220S0511K101
EPCOS / TDK
1: $3.74
4,478In Stock

Mfr. Part #
B72220S0511K101

Mouser Part #
871-B72220S511K101

EPCOS / TDK

Varistors 510VAC 10% 20mm StandarD

Learn More

Datasheet

4,478In Stock

$3.74

$2.34

$1.97

$1.66

View

Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm

MOVs

PCB Mount

Radial

510 VAC

670 VDC

820 V

1.355 kV

20 mm

2.5 kA

190 J

340 pF

- 40 C

+ 105 C

Bulk

Varistors 550VAC 10% 20mm StandarD

B72220S0551K101
EPCOS / TDK
1: $3.74
3,166In Stock

Mfr. Part #
B72220S0551K101

Mouser Part #
871-B72220S551K101

EPCOS / TDK

Varistors 550VAC 10% 20mm StandarD

Learn More

Datasheet

3,166In Stock

$3.74

$2.34

$1.97

$1.66

View

Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm

MOVs

PCB Mount

Radial

550 VAC

745 VDC

910 V

1.5 kV

21.5 mm

6.5 kA

210 J

320 pF

- 40 C

+ 105 C

Bulk

Varistors 625VAC 10% 20mm StandarD

B72220S0621K101
EPCOS / TDK
1: $2.09
2,368In Stock
1,600Expected 2026-06-22

Mfr. Part #
B72220S0621K101

Mouser Part #
871-B72220S621K101

EPCOS / TDK

Varistors 625VAC 10% 20mm StandarD

Learn More

Datasheet

2,368In Stock

1,600Expected 2026-06-22

$2.09

$1.25

$1.15

$1.14

View

Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm

MOVs

PCB Mount

Radial

625 VAC

825 VDC

1 kV

1.65 kV

20 mm

4.5 kA

230 J

280 pF

- 40 C

+ 105 C

Bulk

Varistors 75VAC 10% 20mm StandarD

B72220S0750K101
EPCOS / TDK
1: $2.28
4,904In Stock

Mfr. Part #
B72220S0750K101

Mouser Part #
871-B72220S750K101

EPCOS / TDK

Varistors 75VAC 10% 20mm StandarD

Learn More

Datasheet

4,904In Stock

$2.28

$1.40

$0.983

$0.913

View

Min.: 1
Mult.: 1

Disc Varistor, StandarD 20mm

MOVs

PCB Mount

Radial

75 VAC

100 VDC

120 V

200 V

20 mm

6.5 kA

40 J

2900 pF

- 40 C

+ 105 C

Bulk

Varistors 250VAC 10% 25mm SuperioR

B72225S4251K101
EPCOS / TDK
1: $5.36
724In Stock

Mfr. Part #
B72225S4251K101

Mouser Part #
871-B72225S4251K101

EPCOS / TDK

Varistors 250VAC 10% 25mm SuperioR

Learn More

Datasheet

724In Stock

$5.36

$4.05

$3.72

$3.08

View

Min.: 1
Mult.: 1

Disc Varistor, SuperioR 25mm

MOVs

PCB Mount

Radial

250 VAC

320 VDC

390 V

650 V

27.5 mm

20 kA

345 J

2100 pF

- 40 C

+ 105 C

Bulk

Varistors 550VAC 10% 25mm SuperioR

B72225S4551K101
EPCOS / TDK
1: $7.77
874In Stock

Mfr. Part #
B72225S4551K101

Mouser Part #
871-B72225S4551K101

EPCOS / TDK

Varistors 550VAC 10% 25mm SuperioR

Learn More

Datasheet

874In Stock

$7.77

$6.25

$5.91

$5.12

$4.85

Min.: 1
Mult.: 1

Disc Varistor, SuperioR 25mm

MOVs

PCB Mount

Radial

550 VAC

745 VDC

910 V

1.5 kV

27.5 mm

20 kA

780 J

860 pF

- 40 C

+ 105 C

Bulk

Varistors 130VAC 10% 32mm High E

B72232B0131K001
EPCOS / TDK
1: $33.64
168In Stock

Mfr. Part #
B72232B0131K001

Mouser Part #
871-B72232B0131K001

EPCOS / TDK

Varistors 130VAC 10% 32mm High E

Learn More

Datasheet

168In Stock

$33.64

$27.65

$25.59

$23.58

View

Min.: 1
Mult.: 1

Disc Varistor, High-Energy 32mm

MOVs

Chassis Mount

Screw

130 VAC

170 VDC

205 V

340 V

32 mm

25 kA

210 J

4400 pF

- 40 C

+ 105 C

Bulk

Varistors 230VAC 10% 32mm High E

B72232B0231K001
EPCOS / TDK
1: $29.50
365In Stock

Mfr. Part #
B72232B0231K001

Mouser Part #
871-B72232B0231K001

EPCOS / TDK

Varistors 230VAC 10% 32mm High E

Learn More

Datasheet

365In Stock

$29.50

$23.53

$21.78

$20.40

View

Min.: 1
Mult.: 1

Disc Varistor, High-Energy 32mm

MOVs

PCB Mount

SMD/SMT

230 VAC

300 VDC

360 V

595 V

32 mm

25 kA

300 J

2500 pF

- 40 C

+ 105 C

Bulk

Varistors 250VAC 10% 32mm High E

B72232B0251K001
EPCOS / TDK
1: $33.64
286In Stock

Mfr. Part #
B72232B0251K001

Mouser Part #
871-B72232B0251K001

EPCOS / TDK

Varistors 250VAC 10% 32mm High E

Learn More

Datasheet

286In Stock

$33.64

$27.67

$25.61

$23.59

View

Min.: 1
Mult.: 1

Disc Varistor, High-Energy 32mm

MOVs

PCB Mount

SMD/SMT

250 VAC

320 VDC

390 V

650 V

32 mm

25 kA

330 J

2200 pF

- 40 C

+ 105 C

Bulk

Varistors 275VAC 10% 32mm High E

B72232B0271K001
EPCOS / TDK
1: $29.50
994In Stock

Mfr. Part #
B72232B0271K001

Mouser Part #
871-B72232B0271K001

EPCOS / TDK

Varistors 275VAC 10% 32mm High E

Learn More

Datasheet

994In Stock

$29.50

$23.53

$21.78

$20.40

View

Min.: 1
Mult.: 1

Disc Varistor, High-Energy 32mm

MOVs

PCB Mount

SMD/SMT

275 VAC

350 VDC

430 V

710 V

32 mm

25 kA

360 J

2000 pF

- 40 C

+ 105 C

Bulk

Varistors 320VAC 10% 32mm High E

B72232B0321K001
EPCOS / TDK
1: $27.33
127In Stock

Mfr. Part #
B72232B0321K001

Mouser Part #
871-B72232B0321K001

EPCOS / TDK

Varistors 320VAC 10% 32mm High E

Learn More

Datasheet

127In Stock

$27.33

$22.57

$21.36

$20.00

View

Min.: 1
Mult.: 1

Disc Varistor, High-Energy 32mm

MOVs

PCB Mount

SMD/SMT

320 VAC

420 VDC

510 V

840 V

32 mm

25 kA

430 J

1700 pF

- 40 C

+ 105 C

Bulk

Varistors 680VAC 10% 32mm High E

B72232B0681K001
EPCOS / TDK
1: $34.21
233In Stock

Mfr. Part #
B72232B0681K001

Mouser Part #
871-B72232B0681K001

EPCOS / TDK

Varistors 680VAC 10% 32mm High E

Learn More

Datasheet

233In Stock

$34.21

$27.42

$25.44

$24.63

View

Min.: 1
Mult.: 1

Disc Varistor, High-Energy 32mm

MOVs

PCB Mount

SMD/SMT

680 VAC

895 VDC

1.1 kV

1.815 kV

40 mm

25 kA

760 J

830 pF

- 40 C

+ 105 C

Bulk

Varistors 150VAC 10% 32mm High E

B72232B0151K001
EPCOS / TDK
1: $29.50
119In Stock

Mfr. Part #
B72232B0151K001

Mouser Part #
871-B72232B151K1

EPCOS / TDK

Varistors 150VAC 10% 32mm High E

Learn More

Datasheet

119In Stock

$29.50

$23.53

$21.36

$20.34

Min.: 1
Mult.: 1

Disc Varistor, High-Energy 32mm

MOVs

Chassis Mount

Screw

150 VAC

200 VDC

240 V

395 V

32 mm

25 kA

240 J

3700 pF

- 40 C

+ 105 C

Bulk

Varistors 130VAC 10% 40mm High E

B72240B0131K001
EPCOS / TDK
1: $43.62
190In Stock

Mfr. Part #
B72240B0131K001

Mouser Part #
871-B72240B131K1

EPCOS / TDK

Varistors 130VAC 10% 40mm High E

Learn More

Datasheet

190In Stock

$43.62

$35.23

$32.81

$30.85

View

Min.: 1
Mult.: 1

Disc Varistor, High-Energy 40mm

MOVs

Chassis Mount

Screw

150 VAC

170 VDC

205 V

340 V

40 mm

40 kA

310 J

5600 pF

- 40 C

+ 105 C

Bulk

Varistors 230VAC 10% 40mm High E

B72240B0231K001
EPCOS / TDK
1: $43.63
90In Stock

Mfr. Part #
B72240B0231K001

Mouser Part #
871-B72240B231K1

EPCOS / TDK

Varistors 230VAC 10% 40mm High E

Learn More

Datasheet

90In Stock

$43.63

$35.25

$32.80

$30.86

View

Min.: 1
Mult.: 1

Disc Varistor, High-Energy 40mm

MOVs

Chassis Mount

Screw

230 VAC

300 VDC

360 V

595 V

32 mm

40 kA

460 J

3200 pF

- 40 C

+ 85 C

Bulk

Varistors 250VAC 10% 40mm High E

B72240B0251K001
EPCOS / TDK
1: $44.53
195In Stock

Mfr. Part #
B72240B0251K001

Mouser Part #
871-B72240B251K1

EPCOS / TDK

Varistors 250VAC 10% 40mm High E

Learn More

Datasheet

195In Stock

$44.53

$35.98

$35.23

$34.44

View

Min.: 1
Mult.: 1

Disc Varistor, High-Energy 40mm

MOVs

Chassis Mount

Screw

250 VAC

320 VDC

390 V

650 V

40 mm

40 kA

490 J

2900 pF

- 40 C

+ 105 C

Bulk

Varistors 275VAC 10% 40mm High E

B72240B0271K001
EPCOS / TDK
1: $35.60
286In Stock

Mfr. Part #
B72240B0271K001

Mouser Part #
871-B72240B271K1

EPCOS / TDK

Varistors 275VAC 10% 40mm High E

Learn More

Datasheet

286In Stock

$35.60

$28.60

$27.40

Min.: 1
Mult.: 1

Disc Varistor, High-Energy 40mm

MOVs

Chassis Mount

Screw

275 VAC

350 VDC

430 V

710 V

40 mm

40 kA

550 J

2700 pF

- 40 C

+ 105 C

Bulk

Varistors 320VAC 10% 40mm High E

B72240B0321K001
EPCOS / TDK
1: $43.25
95In Stock

Mfr. Part #
B72240B0321K001

Mouser Part #
871-B72240B321K1

EPCOS / TDK

Varistors 320VAC 10% 40mm High E

Learn More

Datasheet

95In Stock

$43.25

$34.91

$32.80

$30.44

View

Min.: 1
Mult.: 1

Disc Varistor, High-Energy 40mm

MOVs

Chassis Mount

Screw

320 VAC

420 VDC

510 V

840 V

40 mm

40 kA

640 J

2300 pF

- 40 C

+ 105 C

Bulk

Varistors 385VAC 10% 40mm High E

B72240B0381K001
EPCOS / TDK
1: $45.28
120In Stock

Mfr. Part #
B72240B0381K001

Mouser Part #
871-B72240B381K1

EPCOS / TDK

Varistors 385VAC 10% 40mm High E

Learn More

Datasheet

120In Stock

$45.28

$35.98

$33.48

$31.50

View

Min.: 1
Mult.: 1

Disc Varistor, High-Energy 40mm

MOVs

Chassis Mount

Screw

385 VAC

505 VDC

620 V

1.025 kV

40 mm

40 kA

800 J

1900 pF

- 40 C

+ 105 C

Bulk

Varistors 420VAC 10% 40mm High E

B72240B0421K001
EPCOS / TDK
1: $49.93
271In Stock

Mfr. Part #
B72240B0421K001

Mouser Part #
871-B72240B421K1

EPCOS / TDK

Varistors 420VAC 10% 40mm High E

Learn More

Datasheet

271In Stock

$49.93

$41.83

$39.80

$39.77

View

Min.: 1
Mult.: 1

Disc Varistor, High-Energy 40mm

MOVs

Chassis Mount

Screw

420 VAC

560 VDC

680 V

1.12 kV

40 mm

40 kA

910 J

1800 pF

- 40 C

+ 105 C

Bulk

SIOV Metal Oxide Varistors

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B72214P
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

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