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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MF-R040-2PTC RESET FUSE 60V 400MA RADIAL |
2,391 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | Active | Polymeric | 60V | 400 mA | 800 mA | 40 A | 3.8 s | 520 mOhms | 1.29 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" Dia x 0.122" T (7.40mm x 3.10mm) | 0.539" (13.70mm) | - | 0.201" (5.10mm) |
|
RHEF450-2PTC RESET FUSE 16V 4.5A RADIAL |
2,002 |
|
Datasheet | Radial, Disc | PolySwitch®, RHEF | Tape & Reel (TR) | Active | Polymeric | 16V | 4.5 A | 7.8 A | 100 A | 3 s | 22 mOhms | 54 mOhms | - | -40°C ~ 125°C | - | - | - | Through Hole | 0.409" L x 0.118" W (10.40mm x 3.00mm) | 0.614" (15.60mm) | - | 0.199" (5.05mm) |
|
LVR012S-2PTC RESET FUSE 240V 120MA RADIAL |
4,313 |
|
Datasheet | Radial, Disc | PolySwitch®, LVR | Tape & Reel (TR) | Active | Polymeric | 240V (265V Int) | 120 mA | 300 mA | 1.2 A | 15 s | 3 Ohms | 12 Ohms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.327" Dia x 0.150" T (8.30mm x 3.80mm) | 0.430" (10.70mm) | - | 0.200" (5.08mm) |
|
0ZSC0190FF1EPTC RESET FUSE 20V 1.9A STRAP |
2,844 |
|
Datasheet | Strap | 0ZSC | Bulk | Active | Polymeric | 20V | 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) | - | 0.039" (1.00mm) | - |
|
16R400GUPTC RESET FUSE 16V 4A RADIAL |
2,745 |
|
Datasheet | Radial, Disc | POLY-FUSE®, 16R | Bulk | Active | Polymeric | 16V | 4 A | 6.8 A | 100 A | 1.7 s | 21 mOhms | 60 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.350" L x 0.118" W (8.90mm x 3.00mm) | 0.504" (12.80mm) | - | 0.201" (5.10mm) |
|
MF-RM012/240-2PTC RESET FUSE 240V 120MA RADIAL |
2,577 |
|
Datasheet | Radial, Disc | Multifuse®, MF-RM | Tape & Reel (TR) | Active | Polymeric | 240V (265V Int) | 120 mA | 300 mA | 1.2 A | 15 s | 3 Ohms | 12 Ohms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.327" Dia x 0.150" T (8.30mm x 3.80mm) | 0.508" (12.90mm) | - | 0.114" (2.90mm) |
|
2016L200PRPTC RESET FUSE 6V 2A 2016 |
4,729 |
|
Datasheet | 2016 (5041 Metric), Concave | POLY-FUSE®, 2016L | Tape & Reel (TR) | Active | Polymeric | 6V | 2 A | 4.2 A | 40 A | 3 s | 48 mOhms | 100 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.200" L x 0.160" W (5.08mm x 4.07mm) | - | 0.030" (0.75mm) | - |
|
MF-USML450/12-2PTC RESET FUSE 12V 4.5A 1210 |
3,289 |
|
Datasheet | 1210 (3225 Metric), Concave | Multifuse®, MF-USML/X | Tape & Reel (TR) | Active | Polymeric | 12V | 4.5 A | 9 A | 50 A | 2 s | 2 mOhms | 14 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.101" W (3.22mm x 2.58mm) | - | 0.047" (1.20mm) | - |
|
|
MF-USML550/12-2PTC RESET FUSE 12V 5.5A 1210 |
3,142 |
|
Datasheet | 1210 (3225 Metric), Concave | Multifuse®, MF-USML/X | Tape & Reel (TR) | Active | Polymeric | 12V | 5.5 A | 11 A | 50 A | 2 s | 1 mOhms | 10 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.101" W (3.22mm x 2.58mm) | - | 0.047" (1.20mm) | - |
|
|
MF-USML400/12-2PTC RESET FUSE 12V 4A 1210 |
3,130 |
|
Datasheet | 1210 (3225 Metric), Concave | Multifuse®, MF-USML/X | Tape & Reel (TR) | Active | Polymeric | 12V | 4 A | 8 A | 50 A | 5 s | 2 mOhms | 18 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.101" W (3.22mm x 2.58mm) | - | 0.047" (1.20mm) | - |
|
TRF250-120U-2PTC RESET FUSE 60V 120MA RADIAL |
3,125 |
|
Datasheet | Radial, Disc | PolySwitch®, TRF250 | Tape & Reel (TR) | Active | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 1 s | 6 Ohms | 16 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.236" L x 0.150" W (6.00mm x 3.80mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
|
AHS300F/24-2PPTC-SMD-PSW |
2,748 |
|
Datasheet | 2-SMD | PolySwitch® AHS | Tape & Reel (TR) | Active | Polymeric | 24V | 3 A | 6 A | 20 A | 8 s | 15 mOhms | 100 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) | - | - |
|
|
MF-USML380/12-2PTC RESET FUSE 12V 3.8A 1210 |
1,876 |
|
Datasheet | 1210 (3225 Metric), Concave | Multifuse®, MF-USML/X | Tape & Reel (TR) | Active | Polymeric | 12V | 3.8 A | 7.6 A | 50 A | 5 s | 2 mOhms | 20 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.101" W (3.22mm x 2.58mm) | - | 0.047" (1.20mm) | - |
|
|
MF-USML200/12-2PTC RESET FUSE 12V 2A 1210 |
1,788 |
|
Datasheet | 1210 (3225 Metric), Concave | Multifuse®, MF-USML/X | Tape & Reel (TR) | Active | Polymeric | 12V | 2 A | 4 A | 50 A | 5 s | 5 mOhms | 40 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.101" W (3.22mm x 2.58mm) | - | 0.031" (0.80mm) | - |
|
0ZRF0018FF1APTC RESET FUSE 60V 180MA RADIAL |
1,295 |
|
Datasheet | Radial, Disc | 0ZRF | Box | Active | Polymeric | 60V | 180 mA | 580 mA | 3 A | 11 s | 800 mOhms | 4 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.429" L x 0.181" W (10.90mm x 4.60mm) | 0.496" (12.60mm) | - | 0.197" (5.00mm) |
|
B59890C0160A070PTC RESET FUSE 160V 35MA RADIAL |
6,050 |
|
Datasheet | Radial, Disc | - | Bulk | Active | Ceramic | 160V | 35 mA | 70 mA | 200 mA | - | - | - | 150 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.157" Dia x 0.197" T (4.00mm x 5.00mm) | 0.295" (7.50mm) | - | 0.197" (5.00mm) |
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0ZRE0040FF2BPTC RESET FUSE 240V 400MA RADIAL |
2,988 |
|
Datasheet | Radial, Disc | 0ZRE | Tape & Reel (TR) | Active | Polymeric | 240V | 400 mA | 900 mA | 7 A | 24 s | 600 mOhms | 1.9 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.453" L x 0.150" W (11.50mm x 3.80mm) | 0.768" (19.50mm) | - | 0.201" (5.10mm) |
|
ASMD100F-2PTC RESET FUSE 30V 900MA 2SMD |
11,480 |
|
Datasheet | 2-SMD | PolySwitch®, ASMD | Tape & Reel (TR) | Active | Polymeric | 30V | 900 mA | 2.16 A | 40 A | 20 s | 98 mOhms | 480 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.287" L x 0.201" W (7.30mm x 5.10mm) | - | 0.118" (3.00mm) | - |
|
ASMDC030F-2PTC RESET FUSE 60V 300MA 2SMD |
7,618 |
|
Datasheet | 2-SMD | PolySwitch®, ASMD | Tape & Reel (TR) | Active | Polymeric | 60V | 300 mA | 600 mA | 10 A | 3 s | 300 mOhms | 3.4 Ohms | - | - | Automotive | AEC-Q200 | - | Surface Mount | 0.295" L x 0.201" W (7.50mm x 5.10mm) | - | 0.035" (0.90mm) | - |
|
|
LVR016K-2PTC RESET FUSE 240V 160MA RADIAL |
27,676 |
|
Datasheet | Radial, Disc | PolySwitch®, LVR | Tape & Reel (TR) | 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) |
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.
