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  • Factory Lead Time
  • Moisture Sensitivity Level (MSL)
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Attribute column

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PTC Resettable Fuses

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Featured Product

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Manufacturer Part Number

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Resistance

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Thermistor Application

Voltage - Max

Time to Trip

Resistance - Initial (Ri) (Min)

Resistance - Post Trip (R1) (Max)

Current - Trip (It)

Trip Current

Height

Height Seated (Max)

Thickness (Max)

Radiation Hardening

REACH SVHC

RoHS Status

Lead Free

Ratings

RUEF135S
RUEF135S

Littelfuse Inc.

587
Datasheet

10 Weeks

-

-

Through Hole

Radial, Disc

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-40°C~85°C

Bag

2011

-

0.350Lx0.118W 8.90mmx3.00mm

-

-

yes

Active

Not Applicable

-

-

-

Polymeric

-

-

-

-

-

-

-

unknown

-

-

-

CQC, CSA, TUV, UL

-

-

-

0.199 5.05mm

-

-

-

-

-

-

-

1.35A

-

-

30V

7.3s

40mOhm

130mOhm

2.7A

2.7A

-

0.532 13.50mm

-

-

-

ROHS3 Compliant

-

-

MF-SVS170-0
MF-SVS170-0

Bourns Inc.

44
Datasheet

12 Weeks

-

Surface Mount

User Defined

Strap

-

FLAT

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-40°C~85°C

Bulk

2009

Multifuse®, MF-SVS

0.669Lx0.205W 17.00mmx5.20mm

-

e2

yes

Active

1 (Unlimited)

2

Axial

EAR99

Polymeric

32mOhm

Tin/Silver (Sn/Ag)

-

8533.40.80.70

10V

-

-

-

100A

MF-SVS

-

cURus, TUV

-

-

10V

-

-

-

100A

2.1W

DUAL

-

-

1.7A

1.7A

OVERLOAD PROTECTION

-

5s

18mOhm

64mOhm

-

4.1A

-

-

0.035 0.90mm

-

-

ROHS3 Compliant

-

-

MF-RX012/250U-2
MF-RX012/250U-2

Bourns Inc.

5444
Datasheet

10 Weeks

-

Through Hole

Through Hole

Radial, Disc

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-40°C~85°C

Tape & Reel (TR)

2005

Multifuse®, MF-RX/250

0.236Lx0.150W 6.00mmx3.80mm

-

e3

-

Active

1 (Unlimited)

2

Radial

-

Polymeric

10Ohm

Tin (Sn)

-

-

-

-

-

-

-

MF-RX

-

cURus, TUV

5.1mm

-

-

0.201 5.10mm

650 μm

-

3A

-

-

60V

-

120mA

-

-

60V 250V Int

-

6Ohm

16Ohm

-

-

-

0.394 10.00mm

-

No

-

ROHS3 Compliant

-

-

MF-RX375/72-2
MF-RX375/72-2

Bourns Inc.

In Stock

-

Datasheet

7 Weeks

Tin

Through Hole

Through Hole

Radial, Disc

-

WIRE

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-40°C~85°C

Tape & Reel (TR)

2012

Multifuse®, MF-RX/72

0.926Lx0.122W 23.51mmx3.10mm

-

e3

yes

Active

1 (Unlimited)

2

Radial

EAR99

Polymeric

50mOhm

-

-

8533.40.80.70

-

TR

10.2mm

-

-

MF-RX

-

cURus, TUV

10.2mm

-

-

0.402 10.20mm

810 μm

-

40A

3.2W

-

-

-

3.75A

-

OVERLOAD PROTECTION

72V

24s

30mOhm

80mOhm

-

7.5A

-

1.161 29.50mm

-

No

-

ROHS3 Compliant

-

-

NANOSMDCH010F-02
NANOSMDCH010F-02

TE Connectivity

In Stock

-

-

-

-

-

-

-

-

-

nanoSMDCH010F Spec Sheet

Innovative Circuit Protection Solutions

LITTELFUSE INC

Littelfuse Inc

NANOSMDCH010F-02

-

-

CHIP, 1303

Active

Circuit Protection Products Availabe 27/Jun/2016

Circuit Protection Products

-

1.54

Yes

-

TE Connectivity PolySwitch Devices -- Another Geek Moment

-

-

-

-

-

-

-

-

Yes

-

-

-

-

-

-

-

-

-

-

-

-

-

compliant

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

RUEF800-1
RUEF800-1

Littelfuse Inc.

37
Datasheet

10 Weeks

-

-

Through Hole

Radial, Disc

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-40°C~85°C

Bag

2012

PolySwitch®, RUEF

0.850Lx0.118W 21.60mmx3.00mm

-

-

yes

Active

Not Applicable

-

-

-

Polymeric

-

-

-

-

-

-

-

unknown

-

-

-

CQC, CSA, TUV, UL

-

-

-

0.400 10.15mm

-

-

-

-

-

-

-

-

8A

-

30V

18.8s

5mOhm

20mOhm

16A

-

-

1.118 28.40mm

-

-

-

ROHS3 Compliant

-

-

CMF-RL50A-10-0
CMF-RL50A-10-0

Bourns Inc.

37
Datasheet

20 Weeks

Tin

Through Hole

Through Hole

Radial, Disc

-

WIRE

-

-

-

-

-

-

-

-

-

-

-

50Ohm

-

-

-

-

-

-40°C~125°C

Bulk

2009

CMF-RL

0.295Lx0.220W 7.50mmx5.60mm

10%

e3

-

Active

1 (Unlimited)

2

Radial

-

Ceramic

50Ohm

-

-

-

-

-

5mm

-

-

-

-

UR

5mm

-

-

0.197 5.00mm

600 μm

220V

3A

-

-

-

650V

50mA

-

OVERLOAD PROTECTION

220V 600V Int

100ms

-

-

-

100mA

-

0.512 13.00mm

-

-

-

ROHS3 Compliant

-

-

RUSBF135-2
RUSBF135-2

Littelfuse Inc.

2657
Datasheet

10 Weeks

-

-

Through Hole

Radial, Disc

NO

WIRE

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-40°C~85°C

Cut Tape (CT)

2011

PolySwitch®, RUSBF

0.350Lx0.118W 8.90mmx3.00mm

-

-

yes

Discontinued

Not Applicable

2

-

-

Polymeric

-

-

RESISTANCE RANGE(MIN-MAX): 0.040-0.074

-

-

TR, 14.6 INCH

-

unknown

-

-

0.8W

CSA, TUV, UL

-

-

-

0.199 5.05mm

-

-

-

-

-

-

16V

1.35A

-

TEMPERATURE SENSING

16V

4.5s

40mOhm

112mOhm

2.7A

2.7A

-

0.532 13.50mm

-

-

-

ROHS3 Compliant

-

-

MF-R900-AP
MF-R900-AP

Bourns Inc.

In Stock

-

Datasheet

3 Weeks

-

-

Through Hole

Radial, Disc

NO

WIRE

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-40°C~85°C

Tape & Box (TB)

2014

Multifuse®, MF-R

0.953Lx0.118W 24.20mmx3.00mm

-

e3

yes

Active

1 (Unlimited)

2

-

-

Polymeric

-

Tin (Sn)

0.005 OHM MEASURED AT 23 DEG CEL

-

-

AMMO PACK

-

-

-

MF-R900

-

cURus, TUV

-

-

-

0.402 10.20mm

-

-

40A

-

-

-

30V

9A

-

TEMPERATURE SENSING

30V

20s

5mOhm

20mOhm

-

18A

-

1.295 32.90mm

-

-

-

ROHS3 Compliant

-

-

RF1534-000
RF1534-000

Littelfuse

3484

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

20VDC

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

5s

-

-

-

-

-

-

-

-

-

-

-

-

RXEF250
RXEF250

Littelfuse Inc.

1443
Datasheet

10 Weeks

-

-

Through Hole

Radial, Disc

NO

WIRE

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-40°C~85°C

Bag

2005

PolySwitch®, RXEF

0.819Dia x 0.118 T 20.80mmx3.00mm

-

e3

yes

Active

Not Applicable

2

-

-

Polymeric

130mOhm

Matte Tin (Sn)

0.05-0.08 OHMS AT 20 DEG CEL

-

-

BULK

-

-

-

-

-

CQC, CSA, TUV, UL

-

-

72V

0.400 10.15mm

-

-

-

-

-

-

-

2.5A

-

TEMPERATURE SENSING

72V

15.6s

50mOhm

130mOhm

-

5A

-

1.000 25.40mm

-

-

-

ROHS3 Compliant

-

-

RUSBF090
RUSBF090

Littelfuse Inc.

2767
Datasheet

10 Weeks

-

-

Through Hole

Radial, Disc

NO

WIRE

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-40°C~85°C

Bulk

2007

PolySwitch®, RUSBF

0.291Dia x 0.122 T 7.40mmx3.10mm

-

-

yes

Active

Not Applicable

2

-

-

Polymeric

-

-

RESISTANCE RANGE(MIN-MAX): 0.070-0.120

-

-

-

-

unknown

-

-

0.6W

CSA, TUV, UL

-

-

-

0.199 5.05mm

-

-

-

-

-

-

16V

900mA

-

TEMPERATURE SENSING

16V

1.2s

70mOhm

180mOhm

1.8A

1.8A

-

0.480 12.20mm

-

-

-

ROHS3 Compliant

-

-

16R500GU
16R500GU

Littelfuse Inc.

4393
Datasheet

12 Weeks

-

-

Through Hole

Radial, Disc

NO

WIRE

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-40°C~85°C

Bulk

2009

POLY-FUSE®, 16R

0.409Lx0.118W 10.40mmx3.00mm

-

e3

-

Active

1 (Unlimited)

2

Radial

-

Polymeric

34mOhm

Matte Tin (Sn)

-

-

16V

-

-

-

100A

-

-

cURus, TUV

5.1mm

-

16V

0.201 5.10mm

-

-

100A

2.6W

-

16V

-

5A

5A

TEMPERATURE SENSING

-

2s

15mOhm

34mOhm

-

8.5A

-

0.563 14.30mm

-

-

No SVHC

ROHS3 Compliant

Lead Free

-

RKEF375
RKEF375

Littelfuse Inc.

28
Datasheet

10 Weeks

-

-

Through Hole

Radial, Disc

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-40°C~85°C

Bag

2013

PolySwitch®, RKEF

0.650Lx0.118W 16.50mmx3.00mm

-

-

yes

Active

1 (Unlimited)

-

-

-

Polymeric

-

-

-

-

-

-

-

unknown

-

-

-

CSA, TUV, UL

-

-

-

0.199 5.05mm

-

-

-

-

-

-

-

-

3.75A

-

60V

22s

17mOhm

60mOhm

7.5A

-

-

0.992 25.20mm

-

-

-

ROHS3 Compliant

-

-

LVR016K
LVR016K

Littelfuse Inc.

1367
Datasheet

10 Weeks

-

-

Through Hole

Radial, Disc

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-20°C~85°C

Bag

2004

PolySwitch®, LVR

0.390Dia x 0.150 T 9.90mmx3.80mm

-

-

yes

Active

Not Applicable

-

-

-

Polymeric

-

-

-

-

240V

-

-

unknown

-

-

-

CQC, CSA, TUV, UL

-

7.6mm

240V

0.200 5.08mm

-

-

-

-

-

-

-

160mA

-

-

240V 265V Int

15s

2.5Ohm

7.8Ohm

-

370mA

13.8mm

0.543 13.80mm

-

-

-

ROHS3 Compliant

-

-

RXEF030-2
RXEF030-2

Littelfuse Inc.

12966
Datasheet

10 Weeks

-

-

Through Hole

Radial, Disc

NO

WIRE

-

-

-

-

-

85°C

-40°C

-

-

-

-

-

-

-

-

-

-

-

Tape & Reel (TR)

2009

PolySwitch®

0.291Dia x 0.118 T 7.40mmx3.00mm

-

e3

yes

Obsolete

Not Applicable

2

-

-

Polymeric

-

Tin (Sn)

0.88-1.33 OHMS AT 20 DEG CEL

-

-

TR

-

unknown

-

-

-

CQC, CSA, TUV, UL

-

-

-

0.200 5.08mm

-

-

-

-

-

-

72V

300mA

-

TEMPERATURE SENSING

72V

3s

880mOhm

2.1Ohm

600mA

600mA

-

0.500 12.70mm

-

-

-

ROHS3 Compliant

-

-

NANOSMDC050F/13.2-2
NANOSMDC050F/13.2-2

TE Connectivity

99020

-

-

-

-

-

-

-

-

-

-

-

LITTELFUSE INC

Littelfuse Inc

NANOSMDC050F/13.2-2

-

-

ROHS COMPLIANT

Active

-

-

-

1.54

Yes

LITTELFUSE - NANOSMDC050F/13.2-2 - POLYSWITCH, SMD, 1206, 0.5A

-

-

-

-

-

-

-

-

-

Yes

-

-

-

-

-

-

-

-

-

-

-

-

-

compliant

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

LVR025K-2
LVR025K-2

Littelfuse Inc.

28
Datasheet

10 Weeks

-

-

Through Hole

Radial, Disc

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-20°C~85°C

Tape & Reel (TR)

2011

PolySwitch®, LVR

0.378Lx0.150W 9.60mmx3.80mm

-

-

yes

Active

Not Applicable

-

-

-

Polymeric

-

-

-

-

240V

-

-

unknown

-

-

-

CQC, CSA, TUV, UL

-

-

-

0.200 5.08mm

-

-

-

-

-

-

-

250mA

-

-

240V 265V Int

18.5s

1.3Ohm

3.8Ohm

560mA

560mA

-

0.740 18.80mm

-

-

-

ROHS3 Compliant

-

-

RUEF135-2
RUEF135-2

Littelfuse Inc.

3108
Datasheet

10 Weeks

-

-

Through Hole

Radial, Disc

NO

WIRE

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-40°C~85°C

Tape & Reel (TR)

2011

PolySwitch®, RUEF

0.350Lx0.118W 8.90mmx3.00mm

-

-

yes

Active

Not Applicable

2

-

-

Polymeric

-

-

RESISTANCE RANGE(MIN-MAX): 0.040-0.080

-

-

TR, 14.6 INCH

-

-

-

-

0.8W

CQC, CSA, TUV, UL

-

-

-

0.199 5.05mm

-

-

-

-

-

-

30V

1.35A

-

TEMPERATURE SENSING

30V

7.3s

40mOhm

130mOhm

2.7A

2.7A

-

0.532 13.50mm

-

-

-

ROHS3 Compliant

-

-

AHS080-2018-2
AHS080-2018-2

Littelfuse Inc.

37
Datasheet

11 Weeks

-

-

Surface Mount

2-SMD

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-40°C~125°C

Tape & Reel (TR)

2011

PolySwitch®, AHS

0.200Lx0.180W 5.08mmx4.58mm

-

-

yes

Active

2A (4 Weeks)

-

-

-

Polymeric

-

-

-

-

-

-

-

unknown

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

800mA

-

-

16V

9s

130mOhm

550mOhm

2A

2A

-

-

0.060 1.52mm

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ROHS3 Compliant

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AEC-Q200

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