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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
TRF250-120-2PTC RESET FUSE 60V 120MA RADIAL |
2,842 |
|
Datasheet | Radial, Disc | PolySwitch®, TRF250 | Tape & Reel (TR) | Active | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 2.5 s | 4 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-SMDF100/33X-2PTC RESETTABLE 1.1A 33V SMD 2018 |
2,643 |
|
Datasheet | 2018 (5045 Metric), Concave | Multifuse®, MF-SMDF | Tape & Reel (TR) | Active | Polymeric | 33V | 1.1 A | 2.2 A | 40 A | 500 ms | 60 mOhms | 400 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.200" L x 0.180" W (5.08mm x 4.58mm) | - | 0.049" (1.25mm) | - |
|
0ZTJ0020FF2EPTC RESET FUSE 30V 200MA 1206 |
1,567 |
|
Datasheet | 1206 (3216 Metric), Concave | 0ZTJ | Tape & Reel (TR) | Active | Polymeric | 30V | 200 mA | 500 mA | 10 A | 100 ms | 600 mOhms | 4.5 Ohms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.128" L x 0.065" W (3.25mm x 1.65mm) | - | 0.043" (1.10mm) | - |
|
PICOASMDC012S-2PTC RESET FUSE 15V 120MA 0805 |
3,201 |
|
Datasheet | 0805 (2012 Metric) | PolySwitch®, picoASMDC | Tape & Reel (TR) | Active | Polymeric | 15V | 120 mA | 300 mA | 20 A | 100 ms | 1.5 Ohms | 9 Ohms | - | - | Automotive | AEC-Q200 | - | Surface Mount | 0.083" L x 0.055" W (2.10mm x 1.40mm) | - | 0.027" (0.68mm) | - |
|
RGEF900PTC RESET FUSE 16V 9A RADIAL |
1,460 |
|
Datasheet | Radial, Disc | PolySwitch®, RGEF | Bag | Active | Polymeric | 16V | 9 A | 15.3 A | 100 A | 5.5 s | 4.7 mOhms | 13.5 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.531" L x 0.100" W (13.50mm x 2.50mm) | 0.854" (21.70mm) | - | 0.199" (5.05mm) |
|
RUEF500-2PTC RESET FUSE 30V 5A RADIAL |
8,867 |
|
Datasheet | Radial, Disc | PolySwitch®, RUEF | Tape & Reel (TR) | Active | Polymeric | 30V | 5 A | 10 A | 100 A | 14.5 s | 10 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.551" L x 0.120" W (14.00mm x 3.00mm) | 0.949" (24.10mm) | - | 0.400" (10.15mm) |
|
ASMD050F-2PTC RESET FUSE 60V 370MA 2SMD |
2,429 |
|
Datasheet | 2-SMD | PolySwitch®, ASMD | Tape & Reel (TR) | Active | Polymeric | 60V | 370 mA | 980 mA | 10 A | 20 s | 290 mOhms | 1.4 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.125" (3.18mm) | - |
|
2920L600/12MRPTC RESET FUSE 12V 6A 2920 |
95,626 |
|
Datasheet | 2920 (7351 Metric), Concave | POLY-FUSE®, 2920L | Tape & Reel (TR) | Active | Polymeric | 12V | 6 A | 12 A | 50 A | 2 s | 4 mOhms | 20 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.063" (1.60mm) | - |
|
LVR040K-2PTC RESET FUSE 240V 400MA RADIAL |
7,688 |
|
Datasheet | Radial, Disc | PolySwitch®, LVR | Tape & Reel (TR) | Active | Polymeric | 240V (265V Int) | 400 mA | 900 mA | 5.5 A | 24 s | 600 mOhms | 1.9 Ohms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.453" L x 0.150" W (11.50mm x 3.80mm) | 0.823" (20.90mm) | - | 0.200" (5.08mm) |
|
0ZRM0110FF1EPTC RESET FUSE 120V 1.1A RADIAL |
3,657 |
|
Datasheet | Radial, Disc | 0ZRM | Box | Active | Polymeric | 120V | 1.1 A | 2.2 A | 8 A | 8.2 s | 150 mOhms | 380 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.524" Dia x 0.161" T (13.30mm x 4.10mm) | 0.720" (18.30mm) | - | 0.201" (5.10mm) |
|
RKEF400PTC RESET FUSE 60V 4A RADIAL |
5,526 |
|
Datasheet | Radial, Disc | PolySwitch®, RKEF | Bag | Active | Polymeric | 60V | 4 A | 8 A | 40 A | 24 s | 14 mOhms | 60 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.827" L x 0.118" W (21.00mm x 3.00mm) | 0.980" (24.90mm) | - | 0.400" (10.15mm) |
|
|
2920L600/16MRPTC RESET FUSE 16V 6.0A 2920 |
4,026 |
|
Datasheet | 2920 (7351 Metric), Concave | POLY-FUSE®, 2920L | Tape & Reel (TR) | Active | Polymeric | 16V | 6 A | 12 A | 40 A | 2 s | 4 mOhms | 20 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.063" (1.60mm) | - |
|
MF-R250-2PTC RESET FUSE 30V 2.5A RADIAL |
2,505 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | Active | Polymeric | 30V | 2.5 A | 5 A | 40 A | 10.3 s | 25 mOhms | 70 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) |
|
30R400UFPTC RESET FUSE 30V 4A RADIAL |
1,921 |
|
Datasheet | Radial, Disc | POLY-FUSE®, 30R | Bulk | Active | Polymeric | 30V | 4 A | 8 A | 40 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) | 0.866" (22.00mm) | - | 0.201" (5.10mm) |
|
0ZRP0500FF2APTC RESET FUSE 60V 5A RADIAL |
21,862 |
|
Datasheet | Radial, Disc | 0ZRP | Tape & Reel (TR) | Active | Polymeric | 60V | 5 A | 10 A | 40 A | 28 s | 12 mOhms | 50 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.949" L x 0.118" W (24.10mm x 3.00mm) | 1.142" (29.00mm) | - | 0.402" (10.20mm) |
|
B59980C0120A070PTC RESET FUSE 80V 85MA RADIAL |
14,964 |
|
Datasheet | Radial, Disc | B59980 | Bulk | Active | Ceramic | 80V | 85 mA | 170 mA | 1 A | - | - | - | 25 Ohms | -40°C ~ 125°C | - | - | - | Through Hole | 0.256" Dia x 0.138" T (6.50mm x 3.50mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
|
PTCTL4MR500SBEPTC RESET FUSE 600V 50MA RADIAL |
9,827 |
|
Datasheet | Radial, Disc | - | Bulk | Active | Ceramic | 600V | 50 mA | 140 mA | 1 A | 1 s | - | - | 50 Ohms | 0°C ~ 70°C | - | - | - | Through Hole | 0.315" Dia x 0.157" T (8.00mm x 4.00mm) | 0.453" (11.50mm) | - | 0.197" (5.00mm) |
|
30R300UPRPTC RESET FUSE 30V 3A RADIAL |
3,828 |
|
Datasheet | Radial, Disc | POLY-FUSE®, 30R | Cut Tape (CT) | Active | Polymeric | 30V | 3 A | 6 A | 40 A | 10.8 s | 20 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.449" L x 0.118" W (11.40mm x 3.00mm) | 0.756" (19.20mm) | - | 0.201" (5.10mm) |
|
|
0603L008YRPOLYSWITCH RESETTABLE PPTC |
3,782 |
|
Datasheet | 0603 (1608 Metric), Concave | POLY-FUSE®, 0603L | Tape & Reel (TR) | Active | Polymeric | 15V | 80 mA | 200 mA | 40 A | 1 s | 2.5 Ohms | 12 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.063" L x 0.031" W (1.60mm x 0.80mm) | - | 0.024" (0.60mm) | - |
|
250S130-RADRPTC RESET FUSE 60V 130MA 2SMD |
3,538 |
|
Datasheet | 2-SMD | POLY-FUSE®, 250S | Tape & Reel (TR) | Active | Polymeric | 60V (250V Int) | 130 mA | 260 mA | 3 A | 1.4 s | 6.5 Ohms | 15 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.370" L x 0.291" W (9.40mm x 7.40mm) | - | 0.146" (3.70mm) | - |
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.
