| Part Number | 24LT190U | 24LT180U |
|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. |
| Category | PTC Resettable Fuses | PTC Resettable Fuses |
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| Product Status | Obsolete | Obsolete |
| Type | Polymeric | Polymeric |
| Voltage - Max | 24V | 24V |
| Current - Max | 100 A | 100 A |
| Current - Hold (Ih) (Max) | 1.9 A | 1.8 A |
| Current - Trip (It) | 4.2 A | 3.8 A |
| Time to Trip | 3 s | 2.9 s |
| Resistance - Initial (Ri) (Min) | 30 mOhms | 40 mOhms |
| Resistance - Post Trip (R1) (Max) | 100 mOhms | 120 mOhms |
| Resistance - 25°C (Typ) | - | - |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Ratings | - | - |
| Mounting Type | User Defined | User Defined |
| Package / Case | Strap | Strap |
| Size / Dimension | 0.880" L x 0.417" W (22.35mm x 10.60mm) | 0.984" L x 0.199" W (25.00mm x 5.05mm) |
| Height - Seated (Max) | - | - |
| Thickness (Max) | 0.039" (1.00mm) | 0.039" (1.00mm) |
| Lead Spacing | - | - |