
Home / Products / Circuit Protection / PTC Resettable Fuses / BBRF550S

| Part Number | BBRF550S |
| Datasheet | BBRF550S datasheet |
| Description | PTC RESET FUSE 99V 550MA RADIAL |
| Manufacturer | Littelfuse Inc. |
| Series | PolySwitch® |
| Part Status | Obsolete |
| Type | Polymeric |
| Voltage - Max | 99V |
| Current - Max | 20A |
| Current - Hold (Ih) (Max) | 550mA |
| Current - Trip (It) | 1.1A |
| Time to Trip | 60s |
| Resistance - Initial (Ri) (Min) | 800 mOhms |
| Resistance - Post Trip (R1) (Max) | 1.95 Ohms |
| Resistance - 25°C (Typ) | - |
| Operating Temperature | - |
| Ratings | - |
| Mounting Type | Through Hole |
| Package / Case | Radial, Disc |
| Size / Dimension | 0.429" Dia x 0.142" T (10.90mm x 3.60mm) |
| Height - Seated (Max) | 0.567" (14.40mm) |
| Thickness (Max) | - |
| Lead Spacing | 0.200" (5.08mm) |