PTC Resettable Fuses
Browse available PTC Resettable Fuses part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.
For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation support.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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PTGL09AR1R8H2B51A0PTC RESET FUSE 30V 510MA RADIAL |
3,951 | - |
|
Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 30V | 510 mA | 970 mA | 3 A | - | - | - | 1.8 Ohms | -10°C ~ 60°C | - | - | - | Through Hole | 0.374" Dia x 0.157" T (9.50mm x 4.00mm) | 0.610" (15.50mm) | - | 0.197" (5.00mm) |
|
AGRF800SPTC RESET FUSE 16V 8A RADIAL |
9,878 | - |
|
Datasheet | Radial, Disc | PolySwitch®, AGRF | Bulk | Obsolete | Polymeric | 16V | 8 A | 15 A | 100 A | 5.5 s | 4.9 mOhms | 17.5 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.500" L x 0.118" W (12.70mm x 3.00mm) | 0.823" (20.90mm) | - | 0.200" (5.08mm) |
|
PTR016V0300-TR1PTC RESET FUSE 16V 3A RADIAL |
3,534 | - |
|
Datasheet | Radial, Disc | PTR016V | Tape & Reel (TR) | Active | Polymeric | 16V | 3 A | 5.1 A | 100 A | 1 s | 38 mOhms | 98 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.280" L x 0.122" W (7.10mm x 3.10mm) | 0.551" (14.00mm) | - | 0.197" (5.00mm) |
|
PTGL07AS5R6K4N51A0PTC RESET FUSE 60V 236MA RADIAL |
2,039 | - |
|
Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 60V | 236 mA | 314 mA | 2.2 A | - | - | - | 5.6 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.287" Dia x 0.138" T (7.30mm x 3.50mm) | 0.484" (12.30mm) | - | 0.197" (5.00mm) |
|
PTR030V0300-TRPTC RESET FUSE 30V 3A RADIAL |
5,591 | - |
|
Datasheet | Radial, Disc | PTR030V | Tape & Reel (TR) | 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) | 0.681" (17.30mm) | - | 0.197" (5.00mm) |
|
PTGL05AR121M9N51A0PTC RESET FUSE 265V 47MA RADIAL |
3,840 | - |
|
Datasheet | Radial, Disc | Posistor® | Tape & Box (TB) | Obsolete | Ceramic | 265V | 47 mA | 75 mA | 300 mA | - | - | - | 120 Ohms | -20°C ~ 60°C | - | - | - | Through Hole | 0.256" Dia x 0.256" W (6.50mm x 6.50mm) | 0.551" (14.00mm) | - | 0.197" (5.00mm) |
|
PTGL05AR151H8P52A0PTC RESET FUSE 265V 35MA RADIAL |
8,428 | - |
|
Datasheet | Radial, Disc | POSISTOR®, PTGL | Tape & Box (TB) | Obsolete | Ceramic | 265V | 35 mA | 65 mA | 200 mA | - | - | - | 150 Ohms | -10°C ~ 60°C | - | - | - | Through Hole | 0.236" Dia x 0.236" T (6.00mm x 6.00mm) | 0.472" (12.00mm) | - | 0.197" (5.00mm) |
|
AHRF650SPTC RESET FUSE 16V 6.5A RADIAL |
4,621 | - |
|
Datasheet | Radial, Disc | PolySwitch®, AHRF | Bulk | Obsolete | Polymeric | 16V | 6.5 A | 13.7 A | 100 A | 7 s | 9 mOhms | 26 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.500" L x 0.118" W (12.70mm x 3.00mm) | 0.874" (22.20mm) | - | 0.200" (5.08mm) |
|
PTGL07BD150N3B51A0PTC RESET FUSE 32V 100MA RADIAL |
3,820 | - |
|
Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 32V | 100 mA | 195 mA | 1.5 A | - | - | - | 15 Ohms | -10°C ~ 60°C | - | - | - | Through Hole | 0.291" Dia x 0.157" T (7.40mm x 4.00mm) | 0.528" (13.40mm) | - | 0.197" (5.00mm) |
|
NANOSMDC020FPTC RESET FUSE 24V 200MA 1206 |
3,237 | - |
|
Datasheet | 1206 (3216 Metric), Concave | PolySwitch® | Tape & Reel (TR) | Obsolete | Polymeric | 24V | 200 mA | 420 mA | 100 A | 100 ms | 650 mOhms | - | - | - | - | - | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.60mm) | - | 0.032" (0.82mm) | - |
|
LVRL125SPTC RESET FUSE 120V 1.25A RADIAL |
2,726 | - |
|
Datasheet | Radial, Disc | PolySwitch®, LVRL | Bulk | Obsolete | Polymeric | 120V (135V Int) | 1.25 A | 2.5 A | 12.5 A | 20 s | 110 mOhms | 330 mOhms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.551" L x 0.161" W (14.00mm x 4.10mm) | 0.854" (21.70mm) | - | 0.200" (5.08mm) |
|
MF-R500-APPTC RESET FUSE 30V 5A RADIAL |
9,920 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | Active | Polymeric | 30V | 5 A | 10 A | 40 A | 14.5 s | 10 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.685" L x 0.118" W (17.40mm x 3.00mm) | 0.980" (24.90mm) | - | 0.402" (10.20mm) |
|
MF-RHT500-APPTC RESET FUSE 16V 5A RADIAL |
7,422 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RHT | Bulk | Active | Polymeric | 16V | 5 A | 9 A | 100 A | 9 s | 17.5 mOhms | 45 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.441" L x 0.118" W (11.20mm x 3.00mm) | 0.744" (18.90mm) | - | 0.201" (5.10mm) |
|
|
MF-RHT550-APPTC RESET FUSE 16V 5.5A RADIAL |
5,352 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RHT | Bulk | Active | Polymeric | 16V | 5.5 A | 10 A | 100 A | 6 s | 15 mOhms | 37 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.441" L x 0.118" W (11.20mm x 3.00mm) | 0.744" (18.90mm) | - | 0.201" (5.10mm) |
|
|
MF-RX300/72-2-14PTC RESET FUSE 72V 3A RADIAL |
2,494 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX/72 | Tape & Box (TB) | Active | Polymeric | 72V | 3 A | 6 A | 40 A | 19.8 s | 40 mOhms | 100 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.814" L x 0.122" W (20.67mm x 3.10mm) | 0.839" (21.30mm) | - | 0.201" (5.10mm) |
|
|
MF-RX300/72-AP-14PTC RESET FUSE 72V 3A RADIAL |
2,416 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX/72 | Tape & Box (TB) | Active | Polymeric | 72V | 3 A | 6 A | 40 A | 19.8 s | 40 mOhms | 100 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.814" L x 0.122" W (20.67mm x 3.10mm) | 0.834" (21.18mm) | - | 0.201" (5.10mm) |
|
|
MF-RHT450-AP-14PTC 4.5A 16V RADIAL LEADED HI-TE |
2,597 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RHT | Tape & Box (TB) | Active | Polymeric | 16V | 4.5 A | 7.8 A | 100 A | 3 s | 22 mOhms | 54 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.409" L x 0.118" W (10.40mm x 3.00mm) | 0.614" (15.60mm) | - | 0.201" (5.10mm) |
|
|
MF-RHT400-AP-14PTC 4.0A 16V RADIAL LEADED HI-TE |
3,737 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RHT | Tape & Box (TB) | Active | Polymeric | 16V | 4 A | 7.5 A | 100 A | 5 s | 24 mOhms | 60 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.394" L x 0.118" W (10.00mm x 3.00mm) | 0.591" (15.00mm) | - | 0.201" (5.10mm) |
|
|
MF-RHT300-AP-14PTC 3.0A 16V RADIAL LEADED HI-TE |
8,896 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RHT | Tape & Box (TB) | 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) |
|
|
MF-RHT400-2-14PTC 4.0A 16V RADIAL LEADED HI-TE |
7,269 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RHT | Tape & Reel (TR) | Active | Polymeric | 16V | 4 A | 7.5 A | 100 A | 5 s | 24 mOhms | 60 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.394" L x 0.118" W (10.00mm x 3.00mm) | 0.591" (15.00mm) | - | 0.201" (5.10mm) |
PTC Resettable Fuses FAQ
Common questions about selecting, comparing and sourcing PTC Resettable Fuses components through Winsun (HK) Electronics.
What should I check when selecting PTC Resettable Fuses components?
Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.
Can Winsun help source specific PTC Resettable Fuses part numbers?
Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.
Do you support shortage, obsolete or hard-to-find PTC Resettable Fuses parts?
Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.
How do I request a quote for PTC Resettable Fuses components?
Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.
