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| PartNumber | B57235S509M | B57235S509M51 | B57235S509M54 |
| Description | Inrush Current Limiters 5 Ohms 4.2amps 2800k | Inrush Current Limiters 5 Ohms 4.2amps 2800k | Inrush Current Limiters 5 Ohms 4.2amps 2800k |
| Manufacturer | EPCOS (TDK) | EPCOS (TDK) | EPCOS |
| Product Category | IC Chips | Thermistors - NTC | IC Chips |
| Series | 0 | 0 | B57235S |
| Type | NTC Thermistors for Inrush Current Limiting | NTC Thermistors for Inrush Current Limiting | NTC Thermistors for Inrush Current Limiting |
| Packaging | Bulk | Tape & Reel (TR) | Reel |
| Part Aliases | B57235S0509M000 | B57235S0509M051 | B57235S0509M054 |
| Current Rating | 4.2 A | 4.2 A | 4.2 A |
| Operating Temperature Range | - 55 C to + 170 C | - 55 C to + 170 C | - 55 C to + 170 C |
| Width | 6 mm | 6 mm | 6 mm |
| Tolerance | ±20% | 20 % | 20 % |
| Voltage | 110 VAC 230 VAC | 110 VAC 230 VAC | 110 VAC 230 VAC |
| Lead Spacing | 0.197" (5.00mm) | 5 mm | 5 mm |
| Approvals | UL | - | - |
| R 25°C | 5.0 Ohm | - | - |
| Current Steady State Max | 4.2A | - | - |
| R Current | - | - | - |
| Diameter | 0.37" (9.5mm) | 9.5 mm | 9.5 mm |
| Resistance | 5 Ohms | 5 Ohms | 5 Ohms |
| Lead Diameter | 0.6 mm | 0.6 mm | 0.6 mm |
| Power Rating | 1.8 W | 1.8 W | 1.8 W |
| Dissipation Factor DF | 9 mW/K | 9 mW/K | 9 mW/K |
| Package Case | - | Bead | - |
| Operating Temperature | - | -55°C ~ 170°C | - |
| Mounting Type | - | Through Hole | - |
| Power Max | - | 1.8W | - |
| Resistance Tolerance | - | ±20% | - |
| Resistance in Ohms 25°C | - | 5 | - |
| B Value Tolerance | - | ±3% | - |
| B0 50 | - | - | - |
| B25 50 | - | - | - |
| B25 75 | - | - | - |
| B25 85 | - | - | - |
| B25 100 | - | 2800K | - |
| Length Lead Wire | - | - | - |