PTC Resettable Fuses

Photo Mfr. Part # Availability Quantity Datasheet Package/Case Series Packaging Product Status Type Voltage - Max Current - Hold (Ih) (Max) Current - Trip (It) Current - Max Time to Trip Resistance - Initial (Ri) (Min) Resistance - Post Trip (R1) (Max) Resistance - 25°C (Typ) Operating Temperature Grade Qualification Ratings Mounting Type Size / Dimension Height - Seated (Max) Thickness (Max) Lead Spacing
72R185XF

72R185XF

PTC RESET FUSE 72V 1.85A RADIAL

Littelfuse Inc.

5,128
RFQ
Datasheet Radial, Disc POLY-FUSE®, 72R Bulk Obsolete Polymeric 72V 1.85 A 3.7 A 40 A 12.6 s 80 mOhms 190 mOhms - -40°C ~ 85°C - - - Through Hole 0.660" Dia x 0.122" T (16.76mm x 3.10mm) 0.906" (23.00mm) - 0.201" (5.10mm)
72R300XF

72R300XF

PTC RESET FUSE 72V 3A RADIAL

Littelfuse Inc.

9,782
RFQ
Datasheet Radial, Disc POLY-FUSE®, 72R Bulk Obsolete Polymeric 72V 3 A 6 A 40 A 19.8 s 40 mOhms 100 mOhms - -40°C ~ 85°C - - - Through Hole 0.910" Dia x 0.122" T (23.11mm x 3.10mm) 1.154" (29.30mm) - 0.402" (10.20mm)
AHRF550S

AHRF550S

PTC RESET FUSE 16V 5.5A RADIAL

Littelfuse Inc.

7,528
RFQ
Datasheet Radial, Disc PolySwitch®, AHRF Bag Active Polymeric 16V 5.5 A 10 A 100 A 6 s 13 mOhms 37 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.441" L x 0.118" W (11.20mm x 3.00mm) 0.744" (18.90mm) - 0.200" (5.08mm)
LR4-1300F

LR4-1300F

PTC RESET FUSE 20V 13A STRAP

Littelfuse Inc.

6,292
RFQ

-

Strap PolySwitch®, LR4 Bag Active Polymeric 20V 13 A 21.2 A 100 A 10 s 3.5 mOhms 9 mOhms - -40°C ~ 85°C - - - User Defined 2.520" L x 0.382" W (64.00mm x 9.70mm) - - -
LR4-190XF

LR4-190XF

PTC RESET FUSE 15V 1.9A STRAP

Littelfuse Inc.

6,877
RFQ

-

Strap PolySwitch®, LR4 Bag Active Polymeric 15V 1.9 A 3.9 A 100 A 5 s 39 mOhms 102 mOhms - -40°C ~ 85°C - - - User Defined 0.648" L x 0.283" W (16.45mm x 7.20mm) - 0.039" (1.00mm) -
LR4-550RAF

LR4-550RAF

PTC RESET FUSE 20V 5.5A STRAP

Littelfuse Inc.

5,509
RFQ

-

Strap PolySwitch®, LR4 Bag Active Polymeric 20V 5.5 A 10.5 A 100 A 5 s 9 mOhms 22 mOhms - -40°C ~ 85°C - - - User Defined - - - -
TRF250-180-0.125

TRF250-180-0.125

POLYSWITCH PTC RESET 0.180A T/H

Littelfuse Inc.

4,914
RFQ
Datasheet Radial, Disc PolySwitch® Bag Active - 100V 180 mA 650 mA 10 A 2 s - - - - - - - Through Hole 0.350" Dia x 0.150" W (8.89mm x 3.81mm) 0.472" (12.00mm) - 0.200" (5.08mm)
TRF250-183S-0.110

TRF250-183S-0.110

PTC RESET FUSE 100V 183MA RADIAL

Littelfuse Inc.

6,046
RFQ
Datasheet Radial, Disc PolySwitch®, TRF250 Bag Active Polymeric 100V (250V Int) 183 mA 685 mA 10 A 1.8 s 800 mOhms 3.4 Ohms - -40°C ~ 85°C - - - Through Hole 0.295" Dia x 0.150" T (7.50mm x 3.80mm) 0.374" (9.50mm) - 0.200" (5.08mm)
250R080TU

250R080TU

PTC RESET FUSE 60V 80MA RADIAL

Littelfuse Inc.

5,485
RFQ
Datasheet Radial, Disc POLY-FUSE®, 250R Bulk Obsolete Polymeric 60V (250V Int) 80 mA 160 mA 3 A 4 s 15 Ohms 33 Ohms - -40°C ~ 85°C - - - Through Hole 0.228" Dia x 0.181" T (5.80mm x 4.60mm) 0.390" (9.90mm) - 0.201" (5.10mm)
MXP190BB

MXP190BB

PTC RESET FUSE 6V 1.9A STRAP

Littelfuse Inc.

2,549
RFQ
Datasheet Strap PolySwitch®, MXP Bag Obsolete Polymeric 6V 1.9 A 4.9 A 50 A 2 s 7 mOhms 24 mOhms - - - - - User Defined 0.394" L x 0.122" W (10.00mm x 3.11mm) - 0.043" (1.10mm) -
TRF250-120T-R2-B-0.5-2

TRF250-120T-R2-B-0.5-2

PTC RESET FUSE 60V 120MA RADIAL

Littelfuse Inc.

4,425
RFQ
Datasheet Radial, Disc PolySwitch®, TRF250 Tape & Reel (TR) Active Polymeric 60V (250V Int) 120 mA 240 mA 3 A 750 ms 8 Ohms 16 Ohms - -40°C ~ 85°C - - - Through Hole 0.256" L x 0.181" W (6.50mm x 4.60mm) 0.433" (11.00mm) - 0.197" (5.00mm)
60R375XHSL

60R375XHSL

PTC RESET FUSE 60V 3.75A RADIAL

Littelfuse Inc.

4,175
RFQ
Datasheet Radial, Disc POLY-FUSE®, 60R Bulk Obsolete Polymeric 60V 3.75 A 7.5 A 40 A 24 s 30 mOhms 80 mOhms - -40°C ~ 85°C - - - Through Hole 1.035" Dia x 0.122" T (26.30mm x 3.10mm) 1.224" (31.10mm) - 0.402" (10.20mm)
1812L370SLPR

1812L370SLPR

PTC RESET FUSE 6V 3.7A 1812

Littelfuse Inc.

6,655
RFQ
Datasheet 1812 (4532 Metric), Concave POLY-FUSE®, LoRho Tape & Reel (TR) Obsolete Polymeric 6V 3.7 A 9.1 A 50 A 2 s 3 mOhms 18 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.028" (0.70mm) -
MXP370BD

MXP370BD

PTC RESET FUSE 6V 3.7A STRAP

Littelfuse Inc.

4,087
RFQ
Datasheet Strap PolySwitch®, MXP Bag Obsolete Polymeric 6V 3.7 A 9 A 50 A 5 s 4 mOhms 16 mOhms - - - - - User Defined 0.429" L x 0.122" W (10.90mm x 3.11mm) - 0.043" (1.10mm) -
FEMTOSMDC005F-02

FEMTOSMDC005F-02

POLYSWITCH RESET FUSE 0.05A SMD

Littelfuse Inc.

2,973
RFQ
Datasheet 0603 (1608 Metric), Concave PolySwitch® Tape & Reel (TR) Active Polymeric 15V 50 mA 150 mA 40 A 100 ms 3.8 Ohms - - - - - - Surface Mount 0.063" L x 0.032" W (1.60mm x 0.80mm) - 0.026" (0.65mm) -
FEMTOSMDC008F-02

FEMTOSMDC008F-02

PTC RESET FUSE 15V 50MA 0603

Littelfuse Inc.

8,605
RFQ
Datasheet 0603 (1608 Metric), Concave PolySwitch®, femtoSMD Tape & Reel (TR) Active Polymeric 15V 50 mA 150 mA 40 A 100 ms 3.8 Ohms - - - - - - Surface Mount 0.063" L x 0.032" W (1.60mm x 0.80mm) - 0.033" (0.85mm) -
FEMTOSMDC010F-02

FEMTOSMDC010F-02

PTC RESET FUSE 12V 100MA 0603

Littelfuse Inc.

8,105
RFQ
Datasheet 0603 (1608 Metric), Concave PolySwitch®, femtoSMD Tape & Reel (TR) Active Polymeric 12V 100 mA 250 mA 40 A 100 ms 1.7 Ohms 8 Ohms - -40°C ~ 85°C - - - Surface Mount 0.063" L x 0.032" W (1.60mm x 0.80mm) - 0.033" (0.85mm) -
TRF250-145ST-B-0.5

TRF250-145ST-B-0.5

PTC RESET FUSE 60V 145MA RADIAL

Littelfuse Inc.

4,709
RFQ
Datasheet Radial, Disc PolySwitch®, TRF250 Bag Active Polymeric 60V (250V Int) 145 mA 290 mA 3 A 2.5 s 3 Ohms 14 Ohms - -40°C ~ 85°C - - - Through Hole 0.256" L x 0.181" W (6.50mm x 4.60mm) 0.433" (11.00mm) - 0.197" (5.00mm)
TRF600-150-RC

TRF600-150-RC

PTC RESET FUSE 250V 150MA RADIAL

Littelfuse Inc.

5,231
RFQ
Datasheet Radial, Disc PolySwitch®, TRF600 Bag Active Polymeric 250V (600V Int) 150 mA 300 mA 40 A 3 s 9 Ohms 22 Ohms - -40°C ~ 85°C - - - Through Hole 0.354" L x 0.181" W (9.00mm x 4.60mm) 0.492" (12.50mm) - 0.197" (5.00mm)
1206L110/12WR

1206L110/12WR

PTC RESET FUSE 12V 1.1A 1206

Littelfuse Inc.

8,451
RFQ
Datasheet 1206 (3216 Metric), Concave POLY-FUSE®, 1206L Tape & Reel (TR) Active Polymeric 12V 1.1 A 2.2 A 100 A 100 ms 40 mOhms 210 mOhms - -40°C ~ 85°C - - - Surface Mount 0.126" L x 0.065" W (3.20mm x 1.65mm) - 0.030" (0.75mm) -
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