| Part Number | MF-R055/90-AP | MF-R075/90-AP | 
|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. | 
| Category | PTC Resettable Fuses | PTC Resettable Fuses | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Type | Polymeric | Polymeric | 
| Voltage - Max | 90V | 90V | 
| Current - Max | 10 A | 10 A | 
| Current - Hold (Ih) (Max) | 550 mA | 750 mA | 
| Current - Trip (It) | 1.1 A | 1.5 A | 
| Time to Trip | 60 s | 60 s | 
| Resistance - Initial (Ri) (Min) | 450 mOhms | 370 mOhms | 
| Resistance - Post Trip (R1) (Max) | 2 Ohms | 1.65 Ohms | 
| Resistance - 25°C (Typ) | - | - | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | 
| Ratings | - | - | 
| Mounting Type | Through Hole | Through Hole | 
| Package / Case | Radial, Disc | Radial, Disc | 
| Size / Dimension | 0.429" Dia x 0.142" T (10.90mm x 3.60mm) | 0.409" Dia x 0.122" T (10.40mm x 3.10mm) | 
| Height - Seated (Max) | 0.657" (16.70mm) | 0.630" (16.00mm) | 
| Thickness (Max) | - | - | 
| Lead Spacing | 0.201" (5.10mm) | 0.201" (5.10mm) |