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
MF-R185-AP-17

MF-R185-AP-17

PTC RESETTABLE 1.85A 30V RADIAL

Bourns Inc.

9,866 -
RFQ
MF-R185-AP-17

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Box (TB) Active Polymeric 30V 1.85 A 3.7 A 40 A 8.7 s 40 mOhms 110 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.472" Dia x 0.118" T (12.00mm x 3.00mm) 0.724" (18.40mm) - 0.201" (5.10mm)
16R1500SGPR

16R1500SGPR

PTC RESET FUSE 16V 15A RADIAL

Littelfuse Inc.

8,489 -
RFQ
16R1500SGPR

Datasheet

Radial, Disc POLY-FUSE®, 16R Tape & Box (TB) Obsolete Polymeric 16V 15 A 24 A 100 A - - - - 85°C - - - Through Hole 0.138" L x 0.138" W (3.50mm x 3.50mm) 1.098" (27.90mm) - 0.402" (10.20mm)
PTGL4SAS100K2N51B0

PTGL4SAS100K2N51B0

PTC RESET FUSE 30V 154MA RADIAL

Murata Electronics

2,848 -
RFQ
PTGL4SAS100K2N51B0

Datasheet

Radial, Disc POSISTOR®, PTGL Bulk Obsolete Ceramic 30V 154 mA 205 mA 1.5 A - - - 10 Ohms -30°C ~ 125°C - - - Through Hole 0.177" Dia x 0.138" T (4.50mm x 3.50mm) 0.374" (9.50mm) - 0.197" (5.00mm)
MF-RX075/72-2-17

MF-RX075/72-2-17

PTC RESETTABLE 0.75A 72V RADIAL

Bourns Inc.

2,773 -
RFQ
MF-RX075/72-2-17

Datasheet

Radial, Disc Multifuse®, MF-RX/72 Tape & Reel (TR) Active Polymeric 72V 750 mA 1.5 A 40 A 6.3 s 180 mOhms 600 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.409" Dia x 0.122" T (10.40mm x 3.10mm) 0.630" (16.00mm) - 0.201" (5.10mm)
PTGL04AS100K2N51A0

PTGL04AS100K2N51A0

PTC RESET FUSE 30V 154MA RADIAL

Murata Electronics

3,323 -
RFQ
PTGL04AS100K2N51A0

Datasheet

Radial, Disc POSISTOR®, PTGL Tape & Box (TB) Obsolete Ceramic 30V 154 mA 205 mA 1.5 A - - - 10 Ohms -30°C ~ 85°C - - - Through Hole 0.177" Dia x 0.138" T (4.50mm x 3.50mm) 0.551" (14.00mm) - 0.197" (5.00mm)
PTR060V0110-TR

PTR060V0110-TR

PTC RESET FUSE 60V 1.1A RADIAL

Eaton - Electronics Division

6,297 -
RFQ
PTR060V0110-TR

Datasheet

Radial, Disc PTR060V Tape & Reel (TR) Active Polymeric 60V 1.1 A 2.2 A 40 A 8.2 s 150 mOhms 380 mOhms - -40°C ~ 85°C - - - Through Hole 0.512" Dia x 0.118" T (13.00mm x 3.00mm) 0.709" (18.00mm) - 0.197" (5.00mm)
BK30-600-SZ

BK30-600-SZ

PTC RESET FUSE 30V 6A RAD

YAGEO

3,516 -
RFQ
BK30-600-SZ

Datasheet

Radial, Disc BK30 Bulk Active Polymeric 30V 6 A 12 A 40 A 16 s 5 mOhms 40 mOhms - -40°C ~ 85°C - - - Through Hole 0.689" L x 0.122" W (17.50mm x 3.10mm) 1.083" (27.50mm) - 0.413" (10.50mm)
SMD1206P100TFA

SMD1206P100TFA

PTC RESET FUSE 6V 1A 1206

Littelfuse Inc.

4,688 -
RFQ
SMD1206P100TFA

Datasheet

1206 (3216 Metric), Concave POLY-FUSE®, SMD1206 Tape & Reel (TR) Obsolete Polymeric 6V 1 A 1.8 A 40 A 300 ms 55 mOhms 210 mOhms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.039" (1.00mm) -
MF-LS190

MF-LS190

PTC RESET FUSE 24V 1.9A STRAP

Bourns Inc.

2,893 -
RFQ
MF-LS190

Datasheet

Strap Multifuse®, MF-LS Bulk Active Polymeric 24V 1.9 A 4.2 A 100 A 3 s 30 mOhms 100 mOhms - -40°C ~ 85°C - - - User Defined 0.880" L x 0.417" W (22.35mm x 10.60mm) - 0.043" (1.10mm) -
MF-SVS170N-0

MF-SVS170N-0

PTC RESET FUSE 10V 1.7A STRAP

Bourns Inc.

6,400 -
RFQ
MF-SVS170N-0

Datasheet

Strap Multifuse®, MF-SVS Bulk Active Polymeric 10V 1.7 A 4.1 A 100 A 5 s 18 mOhms 64 mOhms - -40°C ~ 85°C - - - User Defined 0.906" L x 0.148" W (23.00mm x 3.75mm) - 0.035" (0.90mm) -
MF-VS210L-0

MF-VS210L-0

PTC RESET FUSE 12V 2.1A STRAP

Bourns Inc.

5,323 -
RFQ
MF-VS210L-0

Datasheet

Strap Multifuse®, MF-VS Bulk Active Polymeric 12V 2.1 A 4.7 A 100 A 5 s 18 mOhms 60 mOhms - -40°C ~ 85°C - - - User Defined 0.984" L x 0.205" W (25.00mm x 5.20mm) - 0.035" (0.90mm) -
MF-VS210N-0

MF-VS210N-0

PTC RESET FUSE 12V 2.1A STRAP

Bourns Inc.

5,413 -
RFQ
MF-VS210N-0

Datasheet

Strap Multifuse®, MF-VS Bulk Active Polymeric 12V 2.1 A 4.7 A 100 A 5 s 18 mOhms 60 mOhms - -40°C ~ 85°C - - - User Defined 1.220" L x 0.148" W (31.00mm x 3.75mm) - 0.035" (0.90mm) -
TRF250-120T-RD

TRF250-120T-RD

PTC RESET FUSE 250V 120MA RADIAL

Littelfuse Inc.

9,099 -
RFQ
TRF250-120T-RD

Datasheet

Radial, Disc PolySwitch® Bag Obsolete Polymeric 250V 120 mA 240 mA 3 A 1.5 s 4 Ohms 8 Ohms - - - - - Through Hole 0.256" L x 0.181" W (6.50mm x 4.60mm) 0.433" (11.00mm) - 0.200" (5.08mm)
0ZRR0375FF2A

0ZRR0375FF2A

PTC RESET FUSE 60V 3.75A RADIAL

Bel Fuse Inc.

3,257 -
RFQ
0ZRR0375FF2A

Datasheet

Radial, Disc 0ZRR Tape & Reel (TR) Active Polymeric 60V 3.75 A 7.5 A 40 A 24 s 30 mOhms 80 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 1.122" Dia x 0.122" T (28.50mm x 3.10mm) 1.319" (33.50mm) - 0.402" (10.20mm)
SMD1206P150TFA

SMD1206P150TFA

PTC RESET FUSE 6V 1.5A 1206

Littelfuse Inc.

2,988 -
RFQ
SMD1206P150TFA

Datasheet

1206 (3216 Metric), Concave POLY-FUSE®, SMD1206 Tape & Reel (TR) Obsolete Polymeric 6V 1.5 A 3 A 40 A 1 s 40 mOhms 120 mOhms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.039" (1.00mm) -
0ZRN0070FF2D

0ZRN0070FF2D

PTC RESET FUSE 30V 700MA RADIAL

Bel Fuse Inc.

3,170 -
RFQ
0ZRN0070FF2D

Datasheet

Radial, Disc 0ZRN Tape & Reel (TR) Active Polymeric 30V 700 mA 1.4 A 40 A 3.2 s 300 mOhms 800 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.272" L x 0.118" W (6.90mm x 3.00mm) 0.425" (10.80mm) - 0.201" (5.10mm)
0ZRN0300FF2D

0ZRN0300FF2D

PTC RESET FUSE 16V 3A RADIAL

Bel Fuse Inc.

4,887 -
RFQ
0ZRN0300FF2D

Datasheet

Radial, Disc 0ZRN Tape & Reel (TR) Active Polymeric 16V 3 A 6 A 100 A 5 s 33 mOhms 79 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.346" L x 0.118" W (8.80mm x 3.00mm) 0.543" (13.80mm) - 0.201" (5.10mm)
PTGL06BB220N8B52B0

PTGL06BB220N8B52B0

PTC RESET FUSE

Murata Electronics

4,924 -
RFQ

-

- * Bulk Obsolete - - - - - - - - - - - - - - - - - -
SMD1812P020TFA

SMD1812P020TFA

PTC RESET FUSE 30V 200MA 1812

Littelfuse Inc.

7,960 -
RFQ
SMD1812P020TFA

Datasheet

1812 (4532 Metric), Concave POLY-FUSE®, SMD1812 Tape & Reel (TR) Obsolete Polymeric 30V 200 mA 400 mA 10 A 20 ms 800 mOhms 5 Ohms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.031" (0.78mm) -
TRF250-180S-2

TRF250-180S-2

PTC RESET FUSE 100V 180MA RADIAL

Littelfuse Inc.

7,030 -
RFQ
TRF250-180S-2

Datasheet

Radial, Disc PolySwitch®, TRF250 Tape & Reel (TR) Obsolete Polymeric 100V (250V Int) 180 mA 650 mA 10 A 2 s 800 mOhms 4 Ohms - -40°C ~ 85°C - - - Through Hole 0.354" Dia x 0.150" T (9.00mm x 3.80mm) 0.453" (11.50mm) - 0.197" (5.00mm)
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