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| Part Number | LR4-190F | LR4-190LF | LR4-190XF |
|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Active | Obsolete | Active |
| Type | Polymeric | Polymeric | Polymeric |
| Voltage - Max | 15V | 15V | 15V |
| Current - Max | 100 A | 100 A | 100 A |
| Current - Hold (Ih) (Max) | 1.9 A | 1.9 A | 1.9 A |
| Current - Trip (It) | 3.9 A | 3.9 A | 3.9 A |
| Time to Trip | 5 s | 5 s | 5 s |
| Resistance - Initial (Ri) (Min) | 39 mOhms | 39 mOhms | 39 mOhms |
| Resistance - Post Trip (R1) (Max) | 102 mOhms | 102 mOhms | 102 mOhms |
| Resistance - 25°C (Typ) | - | - | - |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Ratings | - | - | - |
| Mounting Type | User Defined | User Defined | User Defined |
| Package / Case | Strap | Strap | Strap |
| Size / Dimension | 0.827" L x 0.205" W (21.00mm x 5.20mm) | 1.161" L x 0.205" W (29.50mm x 5.20mm) | 0.648" L x 0.283" W (16.45mm x 7.20mm) |
| Height - Seated (Max) | - | - | - |
| Thickness (Max) | - | - | 0.039" (1.00mm) |
| Lead Spacing | - | - | - |
