| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
27,500 pcs
|
27500 pcs | On Request | 1 | On Request | On Request | 06+ | On Request | On Request | |
|
1,006 pcs
|
1006 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
|
718 pcs
|
718 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
|
30 pcs
|
30 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
|
20 pcs
|
20 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
| Category | |
| Manufacturer Name | |
| Current | |
| Current - Max | |
| Halogen Free | |
| Height | |
| Hold Current | |
| Industrial Grade | |
| Lead Spacing | |
| Length | |
| Medical Grade | |
| Mounting Type | |
| Operating Temperature | |
| Package / Case | |
| Power Dissipation | |
| Resistance | |
| Resistance - After Trip Max | |
| Resistance - Initial (Min) | |
| Resistance - Initial (Typ) | |
| SVHC Present | |
| Time to Trip | |
| Trip Current | |
| Type | |
| UL | |
| Voltage | |
| Voltage - Max | |
| Width |
The Littelfuse 30R300UPR is a polymeric PTC resettable fuse from the 30R series, designed for overcurrent protection in low-voltage applications up to 30V. It offers a hold current of 3A at 20°C still air, with a minimum trip current of 6A, ensuring reliable protection against overcurrent conditions.
Key electrical specifications include a maximum voltage of 30V, maximum fault current of 40A, and typical power dissipation of 2W in tripped state. The device trips within 10.8 seconds maximum at 15A. Initial resistance ranges from 20mΩ minimum to 40mΩ typical, with a maximum post-trip resistance of 80mΩ after one hour at 20°C.
The 30R300UPR comes in a radial leaded disc package with through-hole mounting, lead spacing of 5.10mm, and dimensions of 11.4mm x 3.0mm x 19.2mm. It operates over -40°C to 85°C and is RoHS compliant, halogen-free, and meets UL 94V-0 flame retardancy.
Typical applications include USB hubs and ports, computer peripherals, motor protection circuits, and general electronics requiring resettable overcurrent protection.
| Qty | Low | High |
|---|---|---|
| 1+ | $1.13 | $1.13 |
| 5+ | $0.93 | $0.93 |
| 10+ | $0.86 | $0.86 |
| 50+ | $0.72 | $0.72 |
| 100+ | $0.66 | $0.66 |
| 250+ | $0.59 | $0.59 |
| 500+ | $0.55 | $0.55 |
| 1,000+ | $0.50 | $0.50 |
| 2,000+ | $0.40 | $0.40 |
| 4,000+ | $0.37 | $0.37 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The hold current is 3 A at 20°C still air.
The maximum voltage rating is 30 V.
The maximum fault current is 40 A.
The maximum time to trip at 15 A and 20°C still air is 10.8 seconds.
The package is Radial, Disc with through-hole mounting.
The operating temperature range is -40°C to 85°C.
Initial resistance is 20 mΩ minimum and 40 mΩ typical; after trip maximum is 80 mΩ.