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20V|100A
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PTC RESET FUSE 20V 5.5A STRAP
Specifications
- Brand
- Littelfuse
- Package
- Strap
- Packaging
- —
- Weight
- —
Total Inventory
328pcs
Ship within 8 hours
MOQ: 1 pcs
Certifications & Authorizations
Product Video
Discover how LR4-550F from Littelfuse fits into your design. Our component experts walk through key specifications, quality certifications, and typical application scenarios.
- Authentic sourcing with full traceability
- Rigorous incoming quality inspection
- Competitive pricing & global fast delivery
- Dedicated application engineering support
Technical Specifications
| Manufacturer | Littelfuse Inc. | |
| Series | PolySwitch®, LR4 | |
| Type | Polymeric | |
| Voltage - Max | 20V | |
| Current - Max | 100A | |
| Current - Hold (Ih) (Max) | 5.5A | |
| Current - Trip (It) | 10.5A | |
| Time to Trip | 5s | |
| Resistance - Initial (Ri) (Min) | 9 mOhms | |
| Resistance - Post Trip (R1) (Max) | 22 mOhms | |
| Resistance - 25°C (Typ) | - | |
| Operating Temperature | -40°C ~ 85°C | |
| Ratings | - | |
| Mounting Type | User Defined | |
| Package / Case | Strap | |
| Size / Dimension | 1.417" L x 0.283" W (36.00mm x 7.20mm) | |
| Height - Seated (Max) | - | |
| Thickness (Max) | 0.039" (1.00mm) | |
| Lead Spacing | - |
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Datasheet & Documents
lr4-550f.pdf
PDF Document · 2 pages










