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| Part Number | MF-RX185-0-99 | MF-RX185-2-99 | MF-RX135-0-99 | 
|---|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. | Bourns Inc. | 
| Product Status | Obsolete | Obsolete | Obsolete | 
| Type | Polymeric | Polymeric | Polymeric | 
| Voltage - Max | 60V | 60V | 60V | 
| Current - Max | 40 A | 40 A | 40 A | 
| Current - Hold (Ih) (Max) | 1.85 A | 1.85 A | 1.35 A | 
| Current - Trip (It) | 3.7 A | 3.7 A | 2.7 A | 
| Time to Trip | 12.6 s | 12.6 s | 9.6 s | 
| Resistance - Initial (Ri) (Min) | 80 mOhms | 80 mOhms | 120 mOhms | 
| Resistance - Post Trip (R1) (Max) | 190 mOhms | 190 mOhms | 300 mOhms | 
| Resistance - 25°C (Typ) | - | - | - | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | 
| Ratings | - | - | - | 
| Mounting Type | Through Hole | Through Hole | Through Hole | 
| Package / Case | Radial, Disc | Radial, Disc | Radial, Disc | 
| Size / Dimension | 0.701" L x 0.122" W (17.80mm x 3.10mm) | 0.701" L x 0.122" W (17.80mm x 3.10mm) | 0.483" L x 0.122" W (12.26mm x 3.10mm) | 
| Height - Seated (Max) | 0.902" (22.90mm) | 0.902" (22.90mm) | 0.718" (18.26mm) | 
| Thickness (Max) | - | - | - | 
| Lead Spacing | 0.201" (5.10mm) | 0.201" (5.10mm) | 0.201" (5.10mm) |