Littelfuse Inc.Radial, DiscRoHS
TRF250-145-RA-B0.5-2
PTC RESET FUSE 60V 145MA RADIAL
Category
Subcategory
Ptc Resettable Fuses
Package
Radial, Disc
Series
PolySwitch®, TRF250
Status
Obsolete
Datasheet
$0.82 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
✅ 365-Day Warranty🚚 Global Shipping
Parameters
| Parameter | Value |
|---|---|
| Brand | Littelfuse Inc. |
| Model | TRF250-145-RA-B0.5-2 |
| Package / Case | Radial, Disc |
| Mounting Type | Through Hole |
| Operating Temperature | -40°C ~ 85°C |
| Series | PolySwitch®, TRF250 |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
TRF250-145-RA-B0.5-2 by Littelfuse Inc. is a commonly used electronic component in the Ptc Resettable Fuses category. Available in Radial, Disc package with -40°C ~ 85°C operating temperature range. Contact us for datasheet, pricing, and availability.
📖 Technical Guides for TRF250-145-RA-B0.5-2
Alternatives & Replacements
View All →Bourns Inc.StockRadial, Disc
MF-RX160/72-2
PTC RESET FUSE 72V 1.6A RADIAL
Request QuoteRFQ →
Bourns Inc.StockRadial, Disc
MF-RX110/72-2
PTC RESET FUSE 72V 1.1A RADIAL
Request QuoteRFQ →
Bel Fuse Inc.StockRadial, Disc
0ZRE0055FF1A
PTC RESET FUSE 240V 550MA RADIAL
Request QuoteRFQ →
Littelfuse Inc.StockRadial, Disc
RKEF110
PTC RESET FUSE 60V 1.1A RADIAL
Request QuoteRFQ →
Bourns Inc.StockRadial, Disc
MF-RX185/72-0
PTC RESET FUSE 72V 1.85A RADIAL
Request QuoteRFQ →
Murata ElectronicsStockRadial, Disc
PTGL07AR820M9A51B0
PTC RESET FUSE 265V 75MA RADIAL
Request QuoteRFQ →
All Technical Specifications
| Type | Polymeric |
| Lead Spacing | 0.200" (5.08mm) |
| Time to Trip | 2.5 s |
| Current - Max | 3 A |
| Voltage - Max | 60V (250V Int) |
| Size / Dimension | 0.256" L x 0.181" W (6.50mm x 4.60mm) |
| Current - Trip (It) | 290 mA |
| Height - Seated (Max) | 0.433" (11.00mm) |
| Current - Hold (Ih) (Max) | 145 mA |
| Resistance - Initial (Ri) (Min) | 3 Ohms |
| Resistance - Post Trip (R1) (Max) | 12 Ohms |
Request a Quote
Submit your quantity and details — we will reply within 24 hours.