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| Part Number | RGEF300 | RKEF300 | RGEF800 | RGEF400 | RGEF300K | RHEF300 | RGEF500 | RGEF600 | RGEF900 | RGEF700 | RGE300 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active | Obsolete |
| Type | Polymeric | Polymeric | Polymeric | Polymeric | Polymeric | Polymeric | Polymeric | Polymeric | Polymeric | Polymeric | Polymeric |
| Voltage - Max | 16V | 60V | 16V | 16V | 16V | 16V | 16V | 16V | 16V | 16V | 16V |
| Current - Max | 100 A | 40 A | 100 A | 100 A | 100 A | 100 A | 100 A | 100 A | 100 A | 100 A | 100 A |
| Current - Hold (Ih) (Max) | 3 A | 3 A | 8 A | 4 A | 3 A | 3 A | 5 A | 6 A | 9 A | 7 A | 3 A |
| Current - Trip (It) | 5.1 A | 6 A | 13.6 A | 6.8 A | 5.1 A | 6 A | 8.5 A | 10.2 A | 15.3 A | 11.9 A | 5.1 A |
| Time to Trip | 1 s | 19.8 s | 5 s | 1.7 s | 1 s | 5 s | 2 s | 3.3 s | 5.5 s | 3.5 s | 1 s |
| Resistance - Initial (Ri) (Min) | 38 mOhms | 30 mOhms | 5.6 mOhms | 21 mOhms | 38 mOhms | 33 mOhms | 15 mOhms | 10 mOhms | 4.7 mOhms | 7.7 mOhms | 38 mOhms |
| Resistance - Post Trip (R1) (Max) | 97.5 mOhms | 80 mOhms | 17.5 mOhms | 60 mOhms | 97.5 mOhms | 79 mOhms | 34 mOhms | 28 mOhms | 13.5 mOhms | 20 mOhms | - |
| Resistance - 25°C (Typ) | - | - | - | - | - | - | - | - | - | - | - |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 125°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | - |
| Ratings | - | - | - | - | - | - | - | - | - | - | - |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Package / Case | Radial, Disc | Radial, Disc | Radial, Disc | Radial, Disc | Radial, Disc | Radial, Disc | Radial, Disc | Radial, Disc | Radial, Disc | Radial, Disc | Radial, Disc |
| Size / Dimension | 0.260" L x 0.098" W (6.60mm x 2.50mm) | 0.650" L x 0.118" W (16.50mm x 3.00mm) | 0.480" L x 0.098" W (12.20mm x 2.50mm) | 0.331" L x 0.098" W (8.40mm x 2.50mm) | 0.260" L x 0.098" W (6.60mm x 2.50mm) | 0.350" Dia x 0.118" T (8.90mm x 3.00mm) | 0.390" L x 0.098" W (9.90mm x 2.50mm) | 0.402" L x 0.098" W (10.20mm x 2.50mm) | 0.531" L x 0.100" W (13.50mm x 2.50mm) | 0.421" L x 0.098" W (10.70mm x 2.50mm) | 0.260" L x 0.098" W (6.60mm x 2.50mm) |
| Height - Seated (Max) | 0.433" (11.00mm) | 0.835" (21.20mm) | 0.823" (20.90mm) | 0.504" (12.80mm) | 0.535" (13.60mm) | 0.543" (13.80mm) | 0.563" (14.30mm) | 0.673" (17.10mm) | 0.854" (21.70mm) | 0.776" (19.70mm) | 0.433" (11.00mm) |
| Thickness (Max) | - | - | - | - | - | - | - | - | - | - | - |
| Lead Spacing | 0.199" (5.05mm) | 0.199" (5.05mm) | 0.199" (5.05mm) | 0.199" (5.05mm) | 0.199" (5.05mm) | 0.199" (5.05mm) | 0.199" (5.05mm) | 0.199" (5.05mm) | 0.199" (5.05mm) | 0.199" (5.05mm) | 0.199" (5.05mm) |
