PTC Resettable Fuses
Explore PTC Resettable Fuses parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.
For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to JIEXIN Electronics. Our team can assist with availability checks and quotation support.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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RHEF100-APPTC RESET FUSE 30V 1A RADIAL |
840 |
|
Datasheet | Radial, Disc | PolySwitch®, RHEF | Cut Tape (CT) | Active | Polymeric | 30V | 1 A | 1.8 A | 40 A | 5.2 s | 180 mOhms | 430 mOhms | - | -40°C ~ 125°C | - | - | - | Through Hole | 0.382" Dia x 0.118" T (9.70mm x 3.00mm) | 0.535" (13.60mm) | - | 0.199" (5.05mm) |
|
PFRA.185PTC RESET FUSE 30V 1.85A RADIAL |
637 |
|
Datasheet | Radial, Disc | PFRA | Bulk | Active | Polymeric | 30V | 1.85 A | 3.7 A | 40 A | 8.7 s | 40 mOhms | 110 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.472" Dia x 0.118" T (12.00mm x 3.00mm) | 0.724" (18.40mm) | - | 0.201" (5.10mm) |
|
0ZRR0250FF1APTC RESET FUSE 60V 2.5A RADIAL |
233 |
|
Datasheet | Radial, Disc | 0ZRR | Bulk | Active | Polymeric | 60V | 2.5 A | 5 A | 40 A | 15.6 s | 50 mOhms | 130 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.839" Dia x 0.122" T (21.30mm x 3.10mm) | 1.039" (26.40mm) | - | 0.402" (10.20mm) |
|
RXEF135-2PTC RESET FUSE 72V 1.35A RADIAL |
599 |
|
Datasheet | Radial, Disc | PolySwitch®, RXEF | Tape & Reel (TR) | Active | Polymeric | 72V | 1.35 A | 2.7 A | 40 A | 9.6 s | 120 mOhms | 300 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.571" Dia x 0.118" T (14.50mm x 3.00mm) | 0.752" (19.10mm) | - | 0.199" (5.05mm) |
|
0ZRP0160FF1APTC RESET FUSE 60V 1.6A RADIAL |
3,501 |
|
Datasheet | Radial, Disc | 0ZRP | Bulk | Active | Polymeric | 60V | 1.6 A | 3.2 A | 40 A | 9 s | 100 mOhms | 320 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.480" L x 0.142" W (12.20mm x 3.60mm) | 0.720" (18.30mm) | - | 0.201" (5.10mm) |
|
RUEF400-APPTC RESET FUSE 30V 4A RADIAL |
191 |
|
Datasheet | Radial, Disc | PolySwitch®, RUEF | Cut Tape (CT) | 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) |
|
PFRA.300PTC RESET FUSE 30V 3A RADIAL |
159 |
|
Datasheet | Radial, Disc | PFRA | Bulk | Active | Polymeric | 30V | 3 A | 6 A | 40 A | 10.8 s | 20 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.472" L x 0.118" W (12.00mm x 3.00mm) | 0.720" (18.30mm) | - | 0.201" (5.10mm) |
|
AHRF050PTC RESET FUSE 30V 500MA RADIAL |
601 |
|
Datasheet | Radial, Disc | PolySwitch®, AHRF | Bag | Active | Polymeric | 30V | 500 mA | 1 A | 40 A | 3 s | 350 mOhms | 1.1 Ohms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.291" Dia x 0.130" T (7.40mm x 3.30mm) | 0.500" (12.70mm) | - | 0.199" (5.05mm) |
|
60R090XUPTC RESET FUSE 60V 900MA RADIAL |
451 |
|
Datasheet | Radial, Disc | POLY-FUSE®, 60R | Bulk | Active | Polymeric | 60V | 900 mA | 1.8 A | 40 A | 7.2 s | 200 mOhms | 470 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.441" Dia x 0.122" T (11.20mm x 3.10mm) | 0.622" (15.80mm) | - | 0.201" (5.10mm) |
|
RGEF500-1PTC RESET FUSE 16V 5A RADIAL |
125 |
|
Datasheet | Radial, Disc | PolySwitch®, RGEF | Bag | Active | Polymeric | 16V | 5 A | 8.5 A | 100 A | 2 s | 15 mOhms | 34 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.390" L x 0.098" W (9.90mm x 2.50mm) | 0.563" (14.30mm) | - | 0.199" (5.05mm) |
;RA.JPG "PRG21AR420MS1RA")
|
PRG21AR420MS1RAPTC RESET FUSE 20V 54MA 0805 |
648 |
|
Datasheet | 0805 (2012 Metric) | POSISTOR®, PRG | Tape & Reel (TR) | Active | Ceramic | 20V | 54 mA | 100 mA | 590 mA | - | - | - | 42 Ohms | -40°C ~ 105°C | - | - | - | Surface Mount | 0.079" L x 0.049" W (2.00mm x 1.25mm) | - | 0.043" (1.10mm) | - |
|
LR4-190FPTC RESET FUSE 15V 1.9A STRAP |
642 |
|
Datasheet | 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 | 0.827" L x 0.205" W (21.00mm x 5.20mm) | - | - | - |
|
RXEF185KPTC RESET FUSE 72V 1.85A RADIAL |
390 |
|
Datasheet | Radial, Disc | PolySwitch®, RXEF | Bag | Active | 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 0.118" T (16.76mm x 3.00mm) | 0.906" (23.00mm) | - | 0.199" (5.05mm) |
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LVR016KPTC RESET FUSE 240V 160MA RADIAL |
352 |
|
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) | 0.543" (13.80mm) | - | 0.200" (5.08mm) |
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PTR030V0600-BKPTC RESET FUSE 30V 6A RADIAL |
290 |
|
Datasheet | Radial, Disc | PTR030V | Bulk | Active | Polymeric | 30V | 6 A | 12 A | 100 A | 16 s | 5 mOhms | 40 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.650" L x 0.118" W (16.50mm x 3.00mm) | 1.169" (29.70mm) | - | 0.394" (10.00mm) |
|
PFRA.400PTC RESET FUSE 30V 4A RADIAL |
3,990 |
|
Datasheet | Radial, Disc | PFRA | Bulk | Active | Polymeric | 30V | 4 A | 8 A | 40 A | 12.7 s | 10 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.567" L x 0.118" W (14.40mm x 3.00mm) | 0.976" (24.80mm) | - | 0.201" (5.10mm) |
|
MF-RX030/72-0PTC RESET FUSE 72V 300MA RADIAL |
477 |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX/72 | Bulk | Active | Polymeric | 72V | 300 mA | 600 mA | 40 A | 3 s | 760 mOhms | 2.1 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" Dia x 0.122" T (7.40mm x 3.10mm) | 0.528" (13.40mm) | - | 0.201" (5.10mm) |
|
RGEF700PTC RESET FUSE 16V 7A RADIAL |
464 |
|
Datasheet | Radial, Disc | PolySwitch®, RGEF | Bag | Active | Polymeric | 16V | 7 A | 11.9 A | 100 A | 3.5 s | 7.7 mOhms | 20 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.421" L x 0.098" W (10.70mm x 2.50mm) | 0.776" (19.70mm) | - | 0.199" (5.05mm) |
|
MF-RX250/72-2PTC RESET FUSE 72V 2.5A RADIAL |
446 |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX/72 | Tape & Reel (TR) | Active | Polymeric | 72V | 2.5 A | 5 A | 40 A | 15.6 s | 50 mOhms | 130 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.702" L x 0.122" W (17.84mm x 3.10mm) | 0.939" (23.84mm) | - | 0.402" (10.20mm) |
|
MINIASMDC260F/13.2-2PTC RESET FUSE 13.2V 2.6A 1812 |
163 |
|
Datasheet | 1812 (4532 Metric), Concave | PolySwitch®, miniASMD | Bulk | Active | Polymeric | 13.2V | 2.6 A | 5 A | 100 A | 5 s | 15 mOhms | 50 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) | - |
Frequently Asked Questions
What are PTC Resettable Fuses components used for?
PTC Resettable Fuses components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.
How do I choose the right PTC Resettable Fuses part?
Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.
Can JIEXIN Electronics help source obsolete or hard-to-find PTC Resettable Fuses parts?
Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.
How can I request pricing and availability?
Submit the part number, manufacturer and required quantity through our RFQ form. JIEXIN Electronics will review your request and provide available stock, pricing and sourcing information.
