.02 ohm Non-linear Resistors 97

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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

30R300FP

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERLOAD PROTECTION

RADIAL

DISK PACKAGE

BULK

2

WIRE

Non-linear Resistors

-40 Cel

Matte Tin (Sn)

30R

e3

30R300

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

85 Cel

OVERLOAD PROTECTION

RADIAL

DISK PACKAGE

TR

2

WIRE

Non-linear Resistors

-40 Cel

Matte Tin (Sn)

30R

0.08OHMS AT 20 DEGREE

e3

30R300PPR

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERLOAD PROTECTION

RADIAL

DISK PACKAGE

AMMO PACK

2

WIRE

Non-linear Resistors

-40 Cel

Matte Tin (Sn)

30R

e3

30R300MP

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERLOAD PROTECTION

RADIAL

DISK PACKAGE

BULK

2

WIRE

Non-linear Resistors

-40 Cel

Matte Tin (Sn)

30R

e3

30R300UP

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERLOAD PROTECTION

RADIAL

DISK PACKAGE

BULK

2

WIRE

Non-linear Resistors

11.4mm x 3mm x 19.2mm

-40 Cel

Matte Tin (Sn)

19.2 mm

30R

30 V

11.4 mm

e3

TUV, UL

3 mm

RUSBF250U

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

RADIAL

Bulk

2

Radial

WIRE

-40 Cel

18.3 mm

16 V

Rmax:0.036 OHMS AT 20 DEG CEL

11.4 mm

CSA; TUV; UL

3 mm

16 V

RUSBF250U-1

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

RADIAL

2

Radial

WIRE

-40 Cel

18.3 mm

16 V

Rmax:0.036 OHMS AT 20 DEG CEL

11.4 mm

CSA; TUV; UL

3 mm

16 V

RUSBF250U-AP

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

RADIAL

AMMO PACK

2

Radial

WIRE

-40 Cel

18.3 mm

16 V

Rmax:0.036 OHMS AT 20 DEG CEL

11.4 mm

CSA; TUV; UL

3 mm

16 V

RUSBF250K-2

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

RADIAL

TR, 15 INCH

2

Radial

WIRE

-40 Cel

18.3 mm

16 V

Rmax:0.036 OHMS AT 20 DEG CEL

11.4 mm

CSA; TUV; UL

3 mm

16 V

RUSBF250K-AP

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

RADIAL

AMMO PACK

2

Radial

WIRE

-40 Cel

18.3 mm

16 V

Rmax:0.036 OHMS AT 20 DEG CEL

11.4 mm

CSA; TUV; UL

3 mm

16 V

RUSBF250K

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

RADIAL

Bulk

2

Radial

WIRE

-40 Cel

18.3 mm

16 V

Rmax:0.036 OHMS AT 20 DEG CEL

11.4 mm

CSA; TUV; UL

3 mm

16 V

RUSBF250U-2

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

RADIAL

TR, 15 INCH

2

Radial

WIRE

-40 Cel

18.3 mm

16 V

Rmax:0.036 OHMS AT 20 DEG CEL

11.4 mm

CSA; TUV; UL

3 mm

16 V

RUSBF250K-1

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

RADIAL

2

Radial

WIRE

-40 Cel

18.3 mm

16 V

Rmax:0.036 OHMS AT 20 DEG CEL

11.4 mm

CSA; TUV; UL

3 mm

16 V

1812L200/16

Littelfuse

PTC RESETTABLE FUSE

SURFACE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

DUAL ENDED

2

SMT

WRAPAROUND

-40 Cel

1.2 mm

16 V

RESISTANCE RANGE(RMIN-R1MAX)OHMS: 0.02-0.07

4.73 mm

CUL; TUV; UL

3.41 mm

MICROSMD200F-2

Littelfuse

PTC RESETTABLE FUSE

SURFACE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

DUAL ENDED

RECTANGULAR PACKAGE

TR, EMBOSSED, 7 INCH

2

SMT

WRAPAROUND

-40 Cel

Matte Tin (Sn) - with Nickel (Ni) barrier

1.17 mm

6 V

3.43 mm

e3

CSA; TUV; UL

2.8 mm

6 V

1812L200/16DR-A

Littelfuse

PTC RESETTABLE FUSE

SURFACE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

DUAL ENDED

TR, 7 INCH

2

SMT

WRAPAROUND

-40 Cel

MATTE TIN

1.2 mm

16 V

RESISTANCE RANGE(RMIN-R1MAX)OHM: 0.02-0.07

4.73 mm

e3

CUL; TUV; UL

3.41 mm

1812L200THPR-A

Littelfuse

PTC RESETTABLE FUSE

SURFACE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

DUAL ENDED

TR, 7 INCH

2

SMT

WRAPAROUND

-40 Cel

MATTE TIN

.6 mm

8 V

RESISTANCE RANGE(RMIN-R1MAX)OHM: 0.02-0.07

4.73 mm

e3

CUL; TUV; UL

3.41 mm

1206L175PR

Littelfuse

PTC RESETTABLE FUSE

SURFACE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

DUAL ENDED

TR, 7 INCH

2

SMT

WRAPAROUND

-40 Cel

MATTE TIN

1.8 mm

6 V

3.4 mm

e3

CUL; TUV; UL

1.8 mm

30R250

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

85 Cel

OVERLOAD PROTECTION

RADIAL

DISK PACKAGE

TR

2

WIRE

Non-linear Resistors

-40 Cel

Matte Tin (Sn)

30R

0.07OHMS AT 20 DEGREE

e3

30R250UP

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERLOAD PROTECTION

RADIAL

DISK PACKAGE

BULK

2

WIRE

Non-linear Resistors

11.4mm x 3mm x 18.3mm

-40 Cel

Matte Tin (Sn)

18.3 mm

30R

30 V

11.4 mm

e3

TUV, UL

3 mm

30R250FPR

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERLOAD PROTECTION

RADIAL

DISK PACKAGE

AMMO PACK

2

WIRE

Non-linear Resistors

-40 Cel

Matte Tin (Sn)

30R

e3

30R250HPR

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERLOAD PROTECTION

RADIAL

DISK PACKAGE

AMMO PACK

2

WIRE

Non-linear Resistors

-40 Cel

Matte Tin (Sn)

30R

e3

RF2736-000

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

4.2 W

85 Cel

TEMPERATURE SENSING

RADIAL

RECTANGULAR PACKAGE

TR, 15 INCH

2

30 V

WIRE

-40 Cel

RESISTANCE RANGE(MIN-MAX): 0.005-0.010

RF2732-000

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

4 W

85 Cel

TEMPERATURE SENSING

RADIAL

RECTANGULAR PACKAGE

TR, 15 INCH

2

30 V

WIRE

-40 Cel

RESISTANCE RANGE(MIN-MAX): 0.005-0.013

RF3101-000

Littelfuse

PTC RESETTABLE FUSE

SURFACE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

DUAL ENDED

2

SMT

WRAPAROUND

-40 Cel

1.22 mm

16 V

4.73 mm

TUV; UL

3.41 mm

MINIASMDC200F/16-2

Littelfuse

PTC RESETTABLE FUSE

SURFACE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

DUAL ENDED

TR, EMBOSSED, 7 INCH

2

SMT

WRAPAROUND

-40 Cel

1.22 mm

16 V

RMIN AT 25 DEG CEL

4.73 mm

AEC-Q200;UL;TS16949

3.41 mm

RUEF300S-2

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

RADIAL

TR, 14.5 INCH

2

Radial

WIRE

-40 Cel

16.5 mm

30 V

30 V

Rmax:0.05 OHMS AT 20 DEG CEL

11.4 mm

CSA; CQC; TUV; UL

3 mm

30 V

RUEF250K-2

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

RADIAL

TR, 14.5 INCH

2

Radial

WIRE

-40 Cel

18.3 mm

30 V

30 V

Rmax:0.04 OHMS AT 20 DEG CEL

11.4 mm

CSA; CQC; TUV; UL

3 mm

30 V

RUEF300S-1

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

RADIAL

2

Radial

WIRE

-40 Cel

16.5 mm

30 V

30 V

Rmax:0.05 OHMS AT 20 DEG CEL

11.4 mm

CQC; CSA; TUV; UL

3 mm

30 V

RUEF300U-AP

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

RADIAL

AMMO PACK

2

Radial

WIRE

-40 Cel

16.5 mm

30 V

30 V

Rmax:0.05 OHMS AT 20 DEG CEL

11.4 mm

CQC; CSA; TUV; UL

3 mm

30 V

RUEF250K

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

RADIAL

BULK

2

Radial

WIRE

-40 Cel

18.3 mm

30 V

30 V

Rmax:0.04 OHMS AT 20 DEG CEL

11.4 mm

CSA; CQC; TUV; UL

3 mm

30 V

RUEF300U-1

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

RADIAL

2

Radial

WIRE

-40 Cel

16.5 mm

30 V

30 V

Rmax:0.05 OHMS AT 20 DEG CEL

11.4 mm

CQC; CSA; TUV; UL

3 mm

30 V

RUEF250K-1

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

RADIAL

2

Radial

WIRE

-40 Cel

18.3 mm

30 V

30 V

Rmax:0.04 OHMS AT 20 DEG CEL

11.4 mm

CQC; CSA; TUV; UL

3 mm

30 V

RUEF300S

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

RADIAL

BULK

2

Radial

WIRE

-40 Cel

16.5 mm

30 V

30 V

Rmax:0.05 OHMS AT 20 DEG CEL

11.4 mm

CSA; CQC; TUV; UL

3 mm

30 V

RUEF300S-AP

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

RADIAL

AMMO PACK

2

Radial

WIRE

-40 Cel

16.5 mm

30 V

30 V

Rmax:0.05 OHMS AT 20 DEG CEL

11.4 mm

CSA; CQC; TUV; UL

3 mm

30 V

RUEF250U-1

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

RADIAL

2

Radial

WIRE

-40 Cel

18.3 mm

30 V

30 V

Rmax:0.04 OHMS AT 20 DEG CEL

11.4 mm

CQC; CSA; TUV; UL

3 mm

30 V

RUEF250U-AP

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

RADIAL

AMMO PACK

2

Radial

WIRE

-40 Cel

18.3 mm

30 V

30 V

Rmax:0.04 OHMS AT 20 DEG CEL

11.4 mm

CQC; CSA; TUV; UL

3 mm

30 V

RUEF250K-AP

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

RADIAL

AMMO PACK

2

Radial

WIRE

-40 Cel

18.3 mm

30 V

30 V

Rmax:0.04 OHMS AT 20 DEG CEL

11.4 mm

CSA; CQC; TUV; UL

3 mm

30 V

MINIASMDC200F/16

Littelfuse

PTC RESETTABLE FUSE

SURFACE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

DUAL ENDED

BULK

2

SMT

WRAPAROUND

-40 Cel

1.22 mm

16 V

RESISTANCE RANGE(MIN-MAX): 0.02-0.085

4.73 mm

AEC-Q200, TS 16949

3.41 mm

MINISMDC200F/16

Littelfuse

PTC THERMISTOR

SURFACE MOUNT

.02 ohm

OVERCURRENT PROTECTION

DUAL ENDED

2

SMT

WRAPAROUND

1.22 mm

16 V

0.02-0.085 OHMS AT 25 DEG CEL

4.73 mm

TUV; UL

3.41 mm

30R250MP

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERLOAD PROTECTION

RADIAL

DISK PACKAGE

BULK

2

WIRE

Non-linear Resistors

-40 Cel

Matte Tin (Sn)

30R

e3

1812L200/12

Littelfuse

PTC RESETTABLE FUSE

SURFACE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

DUAL ENDED

2

SMT

WRAPAROUND

-40 Cel

1.2 mm

12 V

RESISTANCE RANGE(RMIN-R1MAX)OHMS: 0.02-0.07

4.73 mm

CUL; TUV; UL

3.41 mm

30R250PPR

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERLOAD PROTECTION

RADIAL

DISK PACKAGE

AMMO PACK

2

WIRE

Non-linear Resistors

-40 Cel

Matte Tin (Sn)

30R

e3

30R250FP

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERLOAD PROTECTION

RADIAL

DISK PACKAGE

BULK

2

WIRE

Non-linear Resistors

-40 Cel

Matte Tin (Sn)

30R

e3

30R250PP

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERLOAD PROTECTION

RADIAL

DISK PACKAGE

BULK

2

WIRE

Non-linear Resistors

-40 Cel

Matte Tin (Sn)

30R

e3

30R250HP

Littelfuse

PTC RESETTABLE FUSE

THROUGH HOLE MOUNT

.02 ohm

85 Cel

OVERLOAD PROTECTION

RADIAL

DISK PACKAGE

BULK

2

WIRE

Non-linear Resistors

-40 Cel

Matte Tin (Sn)

30R

e3

1210L175WR

Littelfuse

PTC RESETTABLE FUSE

SURFACE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

DUAL ENDED

RECTANGULAR PACKAGE

TR, 7 INCH

2

SMT

WRAPAROUND

Non-linear Resistors

-40 Cel

MATTE TIN

1 mm

6 V

3.43 mm

e3

CUL, TUV, UL

2.8 mm

1812L200/12DR-A

Littelfuse

PTC RESETTABLE FUSE

SURFACE MOUNT

.02 ohm

85 Cel

OVERCURRENT PROTECTION

DUAL ENDED

TR, 7 INCH

2

SMT

WRAPAROUND

-40 Cel

MATTE TIN

1.2 mm

12 V

RESISTANCE RANGE(RMIN-R1MAX)OHM: 0.02-0.07

4.73 mm

e3

CUL; TUV; UL

3.41 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.