1.2 W Non-linear Resistors 52

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Part RoHS Manufacturer Resistor Type Mounting Type Resistance Rated Power Dissipation (P) Maximum Operating Temperature Tolerance Diameter (Lead) Spacing (Lead) Rated Temperature Thermistor Application Terminal Placement Technology Shape (Package) Construction Maximum Energy Absorbing Capacity Packing Method Size Code No. of Terminals Package Style (Meter) Rated AC Voltage (URac) Terminal Shape Sub-Category Dimensions Thermal Sensitivity Index Minimum Operating Temperature Temperature Coef (ppm/Cel) Terminal Finish Length (Lead) Height (Package) Manufacturer Series Maximum Circuit RMS Voltage Operating Voltage Additional Features Length (Package) JESD-609 Code Diameter (Package) Reference Standard Width (Package) Maximum Circuit DC Voltage

RUEF250U

TE Connectivity

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

1.2 W

85 Cel

TEMPERATURE SENSING

RADIAL

RECTANGULAR PACKAGE

BULK

2

30 V

WIRE

Non-linear Resistors

8.1mm x 2.8mm x 16.3mm

-40 Cel

16.3 mm

RUEF250U

100 V

0.031-0.044 OHMS AT 20 DEG CEL

8.1 mm

CSA, TUV, UL

2.8 mm

RUEF250

TE Connectivity

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.07 ohm

1.2 W

85 Cel

TEMPERATURE SENSING

RADIAL

RECTANGULAR PACKAGE

BULK

2

30 V

WIRE

Non-linear Resistors

-40 Cel

Tin (Sn)

RESISTANCE RANGE(MIN-MAX): 0.020-0.040

e3

RUEF250-AP

TE Connectivity

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.07 ohm

1.2 W

85 Cel

TEMPERATURE SENSING

RADIAL

RECTANGULAR PACKAGE

AMMO PACK

2

30 V

WIRE

Non-linear Resistors

-40 Cel

RUEF

RESISTANCE RANGE(MIN-MAX): 0.020-0.040

e3

RUEF250-2

TE Connectivity

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.07 ohm

1.2 W

85 Cel

TEMPERATURE SENSING

RADIAL

RECTANGULAR PACKAGE

TR, 14.6 INCH

2

30 V

WIRE

Non-linear Resistors

-40 Cel

RUEF

RESISTANCE RANGE(MIN-MAX): 0.020-0.040

e3

RUEF250S

TE Connectivity

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.07 ohm

1.2 W

85 Cel

TEMPERATURE SENSING

RADIAL

RECTANGULAR PACKAGE

BULK

2

30 V

WIRE

Non-linear Resistors

11.4mm x 3mm x 17.5mm

17.5 mm

RUEF

100 V

RESISTANCE RANGE(MIN-MAX): 0.02-0.04

11.4 mm

e3

CSA, TUV, UL

3 mm

SMD1812P260TF/16

Polytronics Technology

PTC THERMISTOR

SURFACE MOUNT

1.2 W

85 Cel

23 Cel

TEMPERATURE SENSING

DUAL ENDED

RECTANGULAR PACKAGE

TR, 7 INCH

2

WRAPAROUND

-40 Cel

MINIMUM RESISTANCE IS 0.015 OHMS

ASMD250F-2

TE Connectivity

PTC RESETTABLE FUSE

SURFACE MOUNT

1.2 W

85 Cel

TEMPERATURE SENSING

DUAL ENDED

RECTANGULAR PACKAGE

TR

2

16 V

FLAT

Non-linear Resistors

9.4mm x 6.71mm x 3mm

-40 Cel

Tin (Sn)

3 mm

ASMD

16 V

RESISTANCE VALUE VARIES FROM 0.035 TO 0.085

9.4 mm

e3

CSA, TUV, UL

6.71 mm

B72232-B551-K1

TDK

VARISTOR

CHASSIS MOUNT

1.2 W

85 Cel

RADIAL

RECTANGULAR PACKAGE

620 J

BULK

2

BINDING POST

-40 Cel

Tin (Sn)

550 V

745 V

e3

745 V

ERZC32EK471

Panasonic

VARISTOR

CHASSIS MOUNT

1.2 W

85 Cel

RECTANGULAR PACKAGE

405 J

BULK

2

Chassis Mount

LUG

-40 Cel

TIN

55 mm

300 V

385 V

60 mm

e3

CSA; UL

14 mm

385 V

B72220Q0171K101

TDK

VARISTOR

THROUGH HOLE MOUNT

1.2 W

85 Cel

RADIAL

RECTANGULAR PACKAGE

135 J

BULK

2

WIRE

-40 Cel

TIN

175 V

225 V

e3

225 V

RF2626-000

TE Connectivity

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.07 ohm

1.2 W

85 Cel

TEMPERATURE SENSING

RADIAL

RECTANGULAR PACKAGE

BULK

2

30 V

WIRE

-40 Cel

RESISTANCE RANGE(MIN-MAX): 0.020-0.040

SRP120F

TE Connectivity

PTC RESETTABLE FUSE

SURFACE MOUNT

.085 ohm

1.2 W

85 Cel

TEMPERATURE SENSING

AXIAL

RECTANGULAR PACKAGE

BULK

2

15 V

FLAT

SRP

RESISTANCE RANGE(MIN-MAX): 0.085-0.16

V20X320E

Littelfuse

VARISTOR

THROUGH HOLE MOUNT

1.2 W

125 Cel

RADIAL

METAL OXIDE

546 J

BULK

2

Radial

WIRE

-40 Cel

28 mm

320 V

410 V

23 mm

CUL; TUV; UL

7.7 mm

1210L550SLWR

Littelfuse

PTC RESETTABLE FUSE

SURFACE MOUNT

.001 ohm

1.2 W

85 Cel

OVERCURRENT PROTECTION

DUAL ENDED

TR, 7 INCH

2

SMT

WRAPAROUND

-40 Cel

Matte Tin (Sn)

1 mm

6 V

3.43 mm

e3

CUL, TUV, UL

2.8 mm

LR4-380F

TE Connectivity

PTC THERMISTOR

SURFACE MOUNT

.013 ohm

1.2 W

85 Cel

TEMPERATURE SENSING

AXIAL

RECTANGULAR PACKAGE

BULK

2

FLAT

-40 Cel

NICKEL

LR4

0.013 TO 0.026 OHMS AT 20 DEG CEL

MF-MSMD030-2

Bourns

PTC RESETTABLE FUSE

SURFACE MOUNT

1.2 W

85 Cel

TEMPERATURE SENSING

DUAL

RECTANGULAR PACKAGE

TR

2

30 V

WRAPAROUND

Non-linear Resistors

-40 Cel

MF-MSMD

0.3 OHMS MINIMUM AT 23 DEG CEL

MF-MSMD050-2

Bourns

PTC RESETTABLE FUSE

SURFACE MOUNT

1.2 W

85 Cel

TEMPERATURE SENSING

DUAL

RECTANGULAR PACKAGE

TR

2

15 V

WRAPAROUND

-40 Cel

0.15 OHMS MINIMUM AT 23 DEG CEL

RUSBF250

TE Connectivity

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.06 ohm

1.2 W

85 Cel

TEMPERATURE SENSING

RADIAL

RECTANGULAR PACKAGE

BULK

2

16 V

WIRE

Non-linear Resistors

11.4mm x 3mm x 18.3mm

-40 Cel

18.3 mm

RUSB

16 V

RESISTANCE RANGE(MIN-MAX): 0.020-0.036

11.4 mm

e3

CSA, TUV, UL

3 mm

B72232B0231K001

TDK

VARISTOR

CHASSIS MOUNT

1.2 W

85 Cel

RADIAL

RECTANGULAR PACKAGE

300 J

BULK

2

BINDING POST

-40 Cel

TIN

230 V

300 V

e3

300 V

F79809-000

Littelfuse

PTC RESETTABLE FUSE

SURFACE MOUNT

1.2 W

85 Cel

TEMPERATURE SENSING

AXIAL

RECTANGULAR PACKAGE

BULK

2

15 V

FLAT

RESISTANCE RANGE(MIN-MAX): 0.085-0.16

E17350-000

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

1.2 W

85 Cel

TEMPERATURE SENSING

RADIAL

RECTANGULAR PACKAGE

BULK

2

30 V

WIRE

0.031-0.044 OHMS AT 20 DEG CEL

C94902-000

Littelfuse

PTC RESETTABLE FUSE

SURFACE MOUNT

1.2 W

85 Cel

TEMPERATURE SENSING

AXIAL

RECTANGULAR PACKAGE

BULK

2

15 V

FLAT

RESISTANCE RANGE(MIN-MAX): 0.085-0.16

SRP120SF

Littelfuse

PTC RESETTABLE FUSE

SURFACE MOUNT

.085 ohm

1.2 W

85 Cel

TEMPERATURE SENSING

AXIAL

RECTANGULAR PACKAGE

BULK

2

15 V

FLAT

RESISTANCE RANGE(MIN-MAX): 0.085-0.16

SRP120LF

Littelfuse

PTC RESETTABLE FUSE

SURFACE MOUNT

.085 ohm

1.2 W

85 Cel

TEMPERATURE SENSING

AXIAL

RECTANGULAR PACKAGE

BULK

2

15 V

FLAT

SRP

RESISTANCE RANGE(MIN-MAX): 0.085-0.16

LR4-380XF

Littelfuse

PTC THERMISTOR

SURFACE MOUNT

.013 ohm

1.2 W

85 Cel

TEMPERATURE SENSING

AXIAL

RECTANGULAR PACKAGE

BULK

2

FLAT

-40 Cel

V20X210E

Littelfuse

VARISTOR

THROUGH HOLE MOUNT

1.2 W

125 Cel

RADIAL

METAL OXIDE

320 J

BULK

2

Radial

WIRE

-40 Cel

28 mm

210 V

270 V

23 mm

CUL; TUV; UL

6.6 mm

V20X130E

Littelfuse

VARISTOR

THROUGH HOLE MOUNT

1.2 W

125 Cel

RADIAL

METAL OXIDE

200 J

BULK

2

Radial

WIRE

-40 Cel

28 mm

130 V

170 V

23 mm

CUL; TUV; UL

5.8 mm

V20X420E

Littelfuse

VARISTOR

THROUGH HOLE MOUNT

1.2 W

125 Cel

RADIAL

METAL OXIDE

546 J

BULK

2

Radial

WIRE

-40 Cel

28 mm

420 V

560 V

23 mm

CUL; TUV; UL

8.8 mm

V20X300E

Littelfuse

VARISTOR

THROUGH HOLE MOUNT

1.2 W

125 Cel

RADIAL

METAL OXIDE

500 J

BULK

2

Radial

WIRE

-40 Cel

28 mm

300 V

385 V

23 mm

CUL; TUV; UL

7.4 mm

V20X250E

Littelfuse

VARISTOR

THROUGH HOLE MOUNT

1.2 W

125 Cel

RADIAL

METAL OXIDE

390 J

BULK

2

Radial

WIRE

-40 Cel

28 mm

250 V

320 V

23 mm

CUL; TUV; UL

6.9 mm

V20X140E

Littelfuse

VARISTOR

THROUGH HOLE MOUNT

1.2 W

125 Cel

RADIAL

METAL OXIDE

220 J

BULK

2

Radial

WIRE

-40 Cel

28 mm

140 V

180 V

23 mm

CUL; TUV; UL

5.9 mm

V20X510E

Littelfuse

VARISTOR

THROUGH HOLE MOUNT

1.2 W

125 Cel

RADIAL

METAL OXIDE

650 J

BULK

2

Radial

WIRE

-40 Cel

28 mm

510 V

670 V

23 mm

CUL; TUV; UL

9.6 mm

V20X150E

Littelfuse

VARISTOR

THROUGH HOLE MOUNT

1.2 W

125 Cel

RADIAL

METAL OXIDE

240 J

BULK

2

Radial

WIRE

-40 Cel

28 mm

150 V

200 V

23 mm

CUL; TUV; UL

6 mm

V20X460E

Littelfuse

VARISTOR

THROUGH HOLE MOUNT

1.2 W

125 Cel

RADIAL

METAL OXIDE

600 J

BULK

2

Radial

WIRE

-40 Cel

28 mm

460 V

615 V

23 mm

CUL; TUV; UL

9.2 mm

V20X175E

Littelfuse

VARISTOR

THROUGH HOLE MOUNT

1.2 W

125 Cel

RADIAL

METAL OXIDE

270 J

BULK

2

Radial

WIRE

-40 Cel

28 mm

175 V

225 V

23 mm

CUL; TUV; UL

6.2 mm

V20X385E

Littelfuse

VARISTOR

THROUGH HOLE MOUNT

1.2 W

125 Cel

RADIAL

METAL OXIDE

546 J

BULK

2

Radial

WIRE

-40 Cel

28 mm

385 V

505 V

23 mm

CUL; TUV; UL

8.4 mm

V20X625E

Littelfuse

VARISTOR

THROUGH HOLE MOUNT

1.2 W

125 Cel

RADIAL

METAL OXIDE

800 J

BULK

2

Radial

WIRE

-40 Cel

28 mm

625 V

825 V

23 mm

CUL; TUV; UL

10.8 mm

V20X680E

Littelfuse

VARISTOR

THROUGH HOLE MOUNT

1.2 W

125 Cel

RADIAL

METAL OXIDE

880 J

BULK

2

Radial

WIRE

-40 Cel

28 mm

680 V

895 V

23 mm

CUL; TUV; UL

11.4 mm

V20X440E

Littelfuse

VARISTOR

THROUGH HOLE MOUNT

1.2 W

125 Cel

RADIAL

METAL OXIDE

560 J

BULK

2

Radial

WIRE

-40 Cel

28 mm

440 V

585 V

23 mm

CUL; TUV; UL

8.9 mm

V20X195E

Littelfuse

VARISTOR

THROUGH HOLE MOUNT

1.2 W

125 Cel

RADIAL

METAL OXIDE

300 J

BULK

2

Radial

WIRE

-40 Cel

28 mm

195 V

250 V

23 mm

CUL; TUV; UL

6.4 mm

V20X350E

Littelfuse

VARISTOR

THROUGH HOLE MOUNT

1.2 W

125 Cel

RADIAL

METAL OXIDE

546 J

BULK

2

Radial

WIRE

-40 Cel

28 mm

350 V

450 V

23 mm

CUL; TUV; UL

8 mm

V20X275E

Littelfuse

VARISTOR

THROUGH HOLE MOUNT

1.2 W

125 Cel

RADIAL

METAL OXIDE

430 J

BULK

2

Radial

WIRE

-40 Cel

28 mm

275 V

350 V

23 mm

CUL; TUV; UL

7.2 mm

V20X330E

Littelfuse

VARISTOR

THROUGH HOLE MOUNT

1.2 W

125 Cel

RADIAL

METAL OXIDE

546 J

BULK

2

Radial

WIRE

-40 Cel

28 mm

330 V

435 V

23 mm

CUL; TUV; UL

7.8 mm

V20X230E

Littelfuse

VARISTOR

THROUGH HOLE MOUNT

1.2 W

125 Cel

RADIAL

METAL OXIDE

360 J

BULK

2

Radial

WIRE

-40 Cel

28 mm

230 V

300 V

23 mm

CUL; TUV; UL

6.8 mm

V20X550E

Littelfuse

VARISTOR

THROUGH HOLE MOUNT

1.2 W

125 Cel

RADIAL

METAL OXIDE

720 J

BULK

2

Radial

WIRE

-40 Cel

28 mm

550 V

745 V

23 mm

CUL; TUV; UL

10.2 mm

1210L500SLWR

Littelfuse

PTC RESETTABLE FUSE

SURFACE MOUNT

.001 ohm

1.2 W

85 Cel

OVERCURRENT PROTECTION

DUAL ENDED

RECTANGULAR PACKAGE

TR, 7 INCH

2

SMT

WRAPAROUND

-40 Cel

Matte Tin (Sn)

1 mm

6 V

3.43 mm

e3

CUL, TUV, UL

2.8 mm

1210L600SLWR

Littelfuse

PTC RESETTABLE FUSE

SURFACE MOUNT

.001 ohm

1.2 W

85 Cel

OVERCURRENT PROTECTION

DUAL ENDED

TR, 7 INCH

2

SMT

WRAPAROUND

-40 Cel

Matte Tin (Sn)

1 mm

6 V

3.43 mm

e3

CUL, TUV, UL

2.8 mm

1210L500/12SLWR

Littelfuse

PTC RESETTABLE FUSE

SURFACE MOUNT

.001 ohm

1.2 W

85 Cel

OVERCURRENT PROTECTION

DUAL ENDED

TR, 7 INCH

2

SMT

WRAPAROUND

-40 Cel

MATTE TIN

1.4 mm

12 V

3.43 mm

e3

CUL, TUV, UL

2.8 mm

Non-linear Resistors

Non-linear resistors, also known as varistors or voltage-dependent resistors, are electronic components that exhibit a nonlinear resistance characteristic with respect to the applied voltage. They are primarily used for voltage clamping, surge protection, and transient suppression in electronic circuits.

The resistance of a varistor decreases with an increase in voltage, allowing it to provide a low resistance path for transient currents that exceed a specified threshold. When the voltage level drops below the threshold, the resistance increases, returning the varistor to its high impedance state. This property makes them useful for protecting sensitive electronic components from voltage surges and spikes.

Varistors are available in two types: metal oxide varistors (MOVs) and silicon carbide varistors (SiCVs). MOVs are the most common type, and they can handle a wider range of voltages than SiCVs. SiCVs, on the other hand, can handle higher temperatures and are more suitable for high power applications.

Non-linear resistors are widely used in power supplies, surge protectors, electronic ballasts, motor control circuits, and telecommunication systems. They are available in various package types, including through-hole, surface mount, and radial leaded packages.