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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
RUEF250PTC RESET FUSE 30V 2.5A RADIAL |
18,917 |
|
Datasheet | Radial, Disc | PolySwitch®, RUEF | Bag | Active | Polymeric | 30V | 2.5 A | 5 A | 100 A | 10.3 s | 20 mOhms | 70 mOhms | - | - | - | - | - | Through Hole | 0.449" L x 0.118" W (11.40mm x 3.00mm) | 0.720" (18.30mm) | - | 0.199" (5.05mm) |
|
MICROSMD050F-2PTC RESET FUSE 13.2V 500MA 1210 |
17,296 |
|
Datasheet | 1210 (3225 Metric), Concave | PolySwitch®, microSMD | Tape & Reel (TR) | Active | Polymeric | 13.2V | 500 mA | 1 A | 40 A | 50 ms | 250 mOhms | 900 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.024" (0.62mm) | - |
|
MINISMDC200F-2PTC RESET FUSE 8V 2A 1812 |
14,067 |
|
Datasheet | 1812 (4532 Metric), Concave | PolySwitch®, miniSMD | Tape & Reel (TR) | Active | Polymeric | 8V | 2 A | 4 A | 100 A | 5 s | 20 mOhms | 70 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.048" (1.22mm) | - |
|
MINIASMDC030F-2PTC RESET FUSE 30V 300MA 1812 |
1,951 |
|
Datasheet | 1812 (4532 Metric), Concave | PolySwitch®, miniASMD | Tape & Reel (TR) | Active | Polymeric | 30V | 300 mA | 600 mA | 40 A | 100 ms | 200 mOhms | 1.75 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.035" (0.89mm) | - |
|
MINISMDC110F/16-2PTC RESET FUSE 16V 1.1A 1812 |
17,302 |
|
Datasheet | 1812 (4532 Metric), Concave | PolySwitch®, miniSMD | Tape & Reel (TR) | Active | Polymeric | 16V | 1.1 A | 2.2 A | 100 A | 300 ms | 60 mOhms | 180 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.181" L x 0.128" W (4.60mm x 3.24mm) | - | 0.019" (0.48mm) | - |
|
2920L250DRPTC RESET FUSE 15V 2.5A 2920 |
155,317 |
|
Datasheet | 2920 (7351 Metric), Concave | POLY-FUSE®, 2920L | Tape & Reel (TR) | Active | Polymeric | 15V | 2.5 A | 5 A | 40 A | 10 s | 35 mOhms | 85 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.289" L x 0.202" W (7.35mm x 5.12mm) | - | 0.049" (1.25mm) | - |
|
MF-NSHT035KX-2PTC RESET FUSE 30V 350MA 1206 |
3,555 |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse®, MF-NSHT | Tape & Reel (TR) | Active | Polymeric | 30V | 350 mA | 1.75 A | 20 A | 100 ms | 400 mOhms | 2.6 Ohms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.60mm) | - | 0.033" (0.85mm) | - |
|
MINISMDC150F/16-2PTC RESET FUSE 16V 1.5A 1812 |
2,947 |
|
Datasheet | 1812 (4532 Metric), Concave | PolySwitch®, miniSMD | Tape & Reel (TR) | Active | Polymeric | 16V | 1.5 A | 2.8 A | 100 A | 500 ms | 40 mOhms | 110 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.181" L x 0.128" W (4.60mm x 3.24mm) | - | 0.019" (0.48mm) | - |
|
1206L005/60WRPTC RESET FUSE 60V 50MA 1206 |
12,313 |
|
Datasheet | 1206 (3216 Metric), Concave | POLY-FUSE®, 1206L | Tape & Reel (TR) | Active | Polymeric | 60V | 50 mA | 150 mA | 10 A | 1.5 s | 3.6 Ohms | 20 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.065" W (3.20mm x 1.65mm) | - | 0.049" (1.25mm) | - |
|
1206L020/30YRPTC RESET FUSE 30V 20MA 1206 |
11,430 |
|
Datasheet | 1206 (3216 Metric), Concave | POLY-FUSE®, 1206L | Tape & Reel (TR) | Active | Polymeric | 30V | 200 mA | 420 mA | 100 A | 100 ms | 650 mOhms | 2.6 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.065" W (3.20mm x 1.65mm) | - | 0.039" (1.00mm) | - |
|
RXEF110PTC RESET FUSE 72V 1.1A RADIAL |
8,627 |
|
Datasheet | Radial, Disc | PolySwitch®, RXEF | Bag | Active | Polymeric | 72V | 1.1 A | 2.2 A | 40 A | 8.2 s | 150 mOhms | 380 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.504" Dia x 0.118" T (12.80mm x 3.00mm) | 0.689" (17.50mm) | - | 0.200" (5.08mm) |
|
MF-R250PTC RESET FUSE 30V 2.5A RADIAL |
8,420 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Bulk | 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) |
|
MICROSMD075F-2PTC RESET FUSE 6V 750MA 1210 |
7,618 |
|
Datasheet | 1210 (3225 Metric), Concave | PolySwitch®, microSMD | Tape & Reel (TR) | Active | Polymeric | 6V | 750 mA | 1.5 A | 40 A | 100 ms | 110 mOhms | 400 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.024" (0.62mm) | - |
|
MICROSMD035F-2PTC RESET FUSE 6V 350MA 1210 |
7,592 |
|
Datasheet | 1210 (3225 Metric), Concave | PolySwitch®, microSMD | Tape & Reel (TR) | Active | Polymeric | 6V | 350 mA | 750 mA | 40 A | 200 ms | 320 mOhms | 1.3 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.024" (0.62mm) | - |
|
|
PRG21BC4R7MM1RAPTC RESET FUSE 30V 155MA 0805 |
5,448 |
|
Datasheet | 0805 (2012 Metric) | POSISTOR®, PRG | Tape & Reel (TR) | Active | Ceramic | 30V | 155 mA | 330 mA | 8 A | - | - | - | 4.7 Ohms | -20°C ~ 85°C | - | - | - | Surface Mount | 0.079" L x 0.049" W (2.00mm x 1.25mm) | - | 0.043" (1.10mm) | - |
|
|
PRG21BC6R8MM1RAPTC RESET FUSE 30V 120MA 0805 |
2,183 |
|
Datasheet | 0805 (2012 Metric) | POSISTOR®, PRG | Tape & Reel (TR) | Active | Ceramic | 30V | 120 mA | 260 mA | 5.5 A | - | - | - | 6.8 Ohms | -20°C ~ 85°C | - | - | - | Surface Mount | 0.079" L x 0.049" W (2.00mm x 1.25mm) | - | 0.043" (1.10mm) | - |
|
RUEF300PTC RESET FUSE 30V 3A RADIAL |
14,064 |
|
Datasheet | Radial, Disc | PolySwitch®, RUEF | Bag | Active | Polymeric | 30V | 3 A | 6 A | 100 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) | 0.650" (16.50mm) | - | 0.199" (5.05mm) |
|
SMD200F/24-2920-2PTC RESET FUSE 24V 2A 2SMD |
11,076 |
|
Datasheet | 2-SMD | PolySwitch®, SMD | Tape & Reel (TR) | Active | Polymeric | 24V | 2 A | 4 A | 40 A | 5 s | 50 mOhms | 125 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.118" (3.00mm) | - |
|
1812L110/33MRPTC RESET FUSE 33V 1.1A 1812 |
33,085 |
|
Datasheet | 1812 (4532 Metric), Concave | POLY-FUSE®, 1812L | Tape & Reel (TR) | Active | Polymeric | 33V | 1.1 A | 1.95 A | 20 A | 500 ms | 60 mOhms | 200 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.079" (2.00mm) | - |
|
RGEF300K-2PTC RESET FUSE 16V 3A RADIAL |
18,220 |
|
Datasheet | Radial, Disc | PolySwitch®, RGEF | Tape & Reel (TR) | Active | Polymeric | 16V | 3 A | 5.1 A | 100 A | 1 s | 38 mOhms | 97.5 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.260" L x 0.098" W (6.60mm x 2.50mm) | 0.535" (13.60mm) | - | 0.199" (5.05mm) |
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.