PTC Resettable Fuses

Manufacturer 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

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PTC Resettable Fuses

PTC Resettable Fuses are circuit protection components used to protect electronic systems from overcurrent, short-circuit and fault conditions. Unlike one-time fuses, PTC resettable fuses increase resistance during a fault and can return to a low-resistance state after the fault is removed and the device cools down.

This category includes polymer PTC resettable fuses, PPTC fuses, radial leaded PTC fuses, surface-mount PTC fuses and related overcurrent protection components. These devices are commonly selected based on hold current, trip current, rated voltage, resistance, response time, package type, operating temperature and application requirements.

TomatoElec supplies original PTC Resettable Fuses from recognized manufacturers such as Littelfuse, Bourns, Eaton, Bel Fuse, TE Connectivity, Murata, TDK, Panasonic and other major brands. As an in-stock electronic components supplier and independent distributor, TomatoElec provides inventory support, original component sourcing and BOM sourcing services for global customers.

Photo Mfr. Part # Availability Price 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
RUEF400-1

RUEF400-1

PTC RESET FUSE 30V 4A RADIAL

Littelfuse Inc.

362 -
RFQ
RUEF400-1

Datasheet

Radial, Disc PolySwitch®, RUEF Bag Active Polymeric 30V 4 A 8 A 100 A 12.7 s 10 mOhms 50 mOhms - -40°C ~ 85°C - - - Through Hole 0.551" L x 0.118" W (14.00mm x 3.00mm) 0.760" (19.30mm) - 0.199" (5.05mm)
0ZCN0150FF2C

0ZCN0150FF2C

PTC RESET FUSE 15V 1.5A 2016

Bel Fuse Inc.

600 -
RFQ
0ZCN0150FF2C

Datasheet

2016 (5041 Metric), Concave 0ZCN Tape & Reel (TR) Active Polymeric 15V 1.5 A 3 A 100 A 800 ms 70 mOhms 180 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.200" L x 0.160" W (5.08mm x 4.07mm) - 0.026" (0.65mm) -
AHRF070

AHRF070

PTC RESET FUSE 30V 700MA RADIAL

Littelfuse Inc.

472 -
RFQ
AHRF070

Datasheet

Radial, Disc PolySwitch®, AHRF Bag Active Polymeric 30V 700 mA 1.4 A 40 A 3.2 s 230 mOhms 800 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.272" L x 0.130" W (6.90mm x 3.30mm) 0.425" (10.80mm) - 0.199" (5.05mm)
AHRF100

AHRF100

PTC RESET FUSE 30V 1A RADIAL

Littelfuse Inc.

500 -
RFQ
AHRF100

Datasheet

Radial, Disc PolySwitch®, AHRF Bag Active Polymeric 30V 1 A 1.9 A 40 A 6.2 s 150 mOhms 430 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.382" Dia x 0.118" T (9.70mm x 3.00mm) 0.535" (13.60mm) - 0.199" (5.05mm)
MINIASMDC260F/12-2

MINIASMDC260F/12-2

PTC RESET FUSE 12V 2.6A 1812

Littelfuse Inc.

347 -
RFQ
MINIASMDC260F/12-2

Datasheet

1812 (4532 Metric), Concave PolySwitch®, miniASMD Bulk Active Polymeric 12V 2.6 A 5 A 100 A 5 s 15 mOhms 47 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.181" L x 0.128" W (4.60mm x 3.24mm) - 0.060" (1.52mm) -
PICOSMDC075S-2

PICOSMDC075S-2

PTC RESET FUSE 6V 750MA 0805

Littelfuse Inc.

73 -
RFQ
PICOSMDC075S-2

Datasheet

0805 (2012 Metric), Concave PolySwitch®, miniSMD Tape & Reel (TR) Active Polymeric 6V 750 mA 1.5 A 40 A 200 ms 100 mOhms 350 mOhms - -40°C ~ 85°C - - - Surface Mount 0.083" L x 0.055" W (2.10mm x 1.40mm) - 0.037" (0.93mm) -
MF-R090-2-9

MF-R090-2-9

PTC RESET FUSE 60V 900MA RADIAL

Bourns Inc.

231 -
RFQ
MF-R090-2-9

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Active Polymeric 60V 900 mA 1.8 A 40 A 7.2 s 140 mOhms 470 mOhms - -40°C ~ 85°C - - - Through Hole 0.461" L x 0.122" W (11.70mm x 3.10mm) 0.657" (16.70mm) - 0.201" (5.10mm)
AHS120-2

AHS120-2

PTC RESET FUSE 16V 1.2A 2SMD

Littelfuse Inc.

81 -
RFQ
AHS120-2

Datasheet

2-SMD PolySwitch®, AHS Tape & Reel (TR) Active Polymeric 16V 1.2 A 2.3 A 50 A 2 s 150 mOhms 340 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.118" (3.00mm) -
AGRF1400

AGRF1400

PTC RESET FUSE 16V 14A RADIAL

Littelfuse Inc.

250 -
RFQ
AGRF1400

Datasheet

Radial, Disc PolySwitch®, AGRF Bag Active Polymeric 16V 14 A 27.3 A 100 A 9 s 2.2 mOhms 6.4 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.925" L x 0.138" W (23.50mm x 3.50mm) 1.130" (28.70mm) - 0.400" (10.15mm)
PICOASMDC050S-2

PICOASMDC050S-2

PPTC-MINI-PSW

Littelfuse Inc.

990 -
RFQ
PICOASMDC050S-2

Datasheet

0805 (2012 Metric), Concave PolySwitch® picoASMDC Tape & Reel (TR) Active Polymeric 6V 500 mA 1 A 100 A 100 ms 150 mOhms 800 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.083" L x 0.055" W (2.10mm x 1.40mm) - 0.037" (0.93mm) -
PICOASMDC020S-2

PICOASMDC020S-2

PPTC-MINI-PSW

Littelfuse Inc.

873 -
RFQ
PICOASMDC020S-2

Datasheet

0805 (2012 Metric), Concave PolySwitch® picoASMDC Tape & Reel (TR) Active Polymeric 9V 200 mA 470 mA 100 A 100 ms 750 mOhms 3.2 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.083" L x 0.055" W (2.10mm x 1.40mm) - 0.027" (0.68mm) -
0ZRB0700FF1A

0ZRB0700FF1A

PTC RESET FUSE 30V 7A RADIAL

Bel Fuse Inc.

563 -
RFQ
0ZRB0700FF1A

Datasheet

Radial, Disc 0ZRB Box Active Polymeric 30V 7 A 14 A 40 A 17.5 s 5 mOhms 30 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.752" L x 0.118" W (19.10mm x 3.00mm) 1.051" (26.70mm) - 0.402" (10.20mm)
TRF250-120T

TRF250-120T

PTC RESET FUSE 60V 120MA RADIAL

Littelfuse Inc.

499 -
RFQ
TRF250-120T

Datasheet

Radial, Disc PolySwitch®, TRF250 Bag Active Polymeric 60V (250V Int) 120 mA 240 mA 3 A 1.2 s 7 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)
MF-LS100

MF-LS100

PTC RESET FUSE 24V 1A STRAP

Bourns Inc.

560 -
RFQ
MF-LS100

Datasheet

Strap Multifuse®, MF-LS Bulk Active Polymeric 24V 1 A 2.5 A 100 A 7 s 70 mOhms 260 mOhms - -40°C ~ 85°C - - - User Defined 0.866" L x 0.199" W (22.00mm x 5.05mm) - 0.039" (1.00mm) -
LVR016S-1

LVR016S-1

PTC RESET FUSE 240V 160MA RADIAL

Littelfuse Inc.

490 -
RFQ
LVR016S-1

Datasheet

Radial, Disc PolySwitch®, LVR Bag Active Polymeric 240V (265V Int) 160 mA 370 mA 2 A 15 s 2.5 Ohms 7.8 Ohms - -20°C ~ 85°C - - - Through Hole 0.390" Dia x 0.150" T (9.90mm x 3.80mm) 0.492" (12.50mm) - 0.200" (5.08mm)
TRF250-183U

TRF250-183U

PTC RESET FUSE 100V 183MA RADIAL

Littelfuse Inc.

375 -
RFQ
TRF250-183U

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 0.256" Dia x 0.118" T (6.50mm x 3.00mm) 0.394" (10.00mm) - 0.197" (5.00mm)
MF-RHT050-0

MF-RHT050-0

PTC RESET FUSE 30V 500MA RADIAL

Bourns Inc.

49 -
RFQ
MF-RHT050-0

Datasheet

Radial, Disc Multifuse®, MF-RHT Bulk Active Polymeric 30V 500 mA 920 mA 40 A 2.5 s 480 mOhms 1.1 Ohms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.291" Dia x 0.118" T (7.40mm x 3.00mm) 0.500" (12.70mm) - 0.201" (5.10mm)
16R300GPR

16R300GPR

PTC RESET FUSE 16V 3A RADIAL

Littelfuse Inc.

46 -
RFQ
16R300GPR

Datasheet

Radial, Disc POLY-FUSE®, 16R Cut Tape (CT) Active Polymeric 16V 3 A 5.1 A 100 A 1 s 38 mOhms 97.5 mOhms - -40°C ~ 85°C - - - Through Hole 0.280" L x 0.118" W (7.10mm x 3.00mm) 0.433" (11.00mm) - 0.201" (5.10mm)
AHS160-2

AHS160-2

PTC RESET FUSE 16V 1.6A 2SMD

Littelfuse Inc.

807 -
RFQ
AHS160-2

Datasheet

2-SMD PolySwitch®, AHS Tape & Reel (TR) Active Polymeric 16V 1.6 A 3.2 A 70 A 15 s 50 mOhms 150 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Surface Mount 0.343" L x 0.250" W (8.70mm x 6.36mm) - 0.118" (3.00mm) -
TRF250-110U

TRF250-110U

PTC RESET FUSE 60V 110MA RADIAL

Littelfuse Inc.

500 -
RFQ
TRF250-110U

Datasheet

Radial, Disc PolySwitch®, TRF250 Bag Active Polymeric 60V (250V Int) 110 mA 220 mA 3 A 1.2 s 5 Ohms 16 Ohms - -40°C ~ 85°C - - - Through Hole 0.209" Dia x 0.150" T (5.30mm x 3.80mm) 0.370" (9.40mm) - 0.197" (5.00mm)
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