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| PartNumber | B57863S302G40 | B57863S302F40 | B57863S303F40 |
| Description | Thermistors - NTC 3k 3988 | Thermistors - NTC 3k 3988 | Thermistors - NTC 30k 3964 |
| Manufacturer | EPCOS (TDK) | EPCOS (TDK) | EPCOS (TDK) |
| Product Category | Thermistors - NTC | Thermistors - NTC | Thermistors - NTC |
| Series | B57863S | B57863S | B57863S |
| Type | NTC | NTC | NTC |
| Packaging | Bulk | Bulk | Bulk |
| Termination Style | Radial | Radial | Radial |
| Operating Temperature Range | - 55 C to + 155 C | - 55 C to + 155 C | - 55 C to + 155 C |
| Length | 6.5 mm | 6.5 mm | 6.5 mm |
| Package Case | Bead | Bead | Bead |
| Operating Temperature | -55°C ~ 155°C | -55°C ~ 155°C | -55°C ~ 155°C |
| Mounting Type | Free Hanging | Free Hanging | Free Hanging |
| Tolerance | 2 % | 1 % | 1 % |
| Power Max | 60mW | 60mW | 60mW |
| Diameter | 2.41 mm | 2.41 mm | 2.41 mm |
| Resistance Tolerance | ±0.5% | ±1% | - |
| Resistance in Ohms 25°C | 3k | 3k | 30k |
| B Value Tolerance | - | - | - |
| B0 50 | - | - | - |
| B25 50 | - | - | - |
| B25 75 | - | - | - |
| B25 85 | - | - | - |
| B25 100 | 3988K | 3988K | 3964K |
| Length Lead Wire | - | 1.48" (37.50mm) | 1.48" (37.50mm) |
| Resistance | 3 kOhms | 3 kOhms | 30 kOhms |
| Lead Diameter | 0.25 mm | 0.25 mm | 0.25 mm |
| Power Rating | 60 mW | 60 mW | 60 mW |
| B Parameter | 3988 K | 3988 K | 3964 K |
| Part # Aliases | B57863S0302G040 | B57863S0302F040 | B57863S0303F040 |
| Width | - | 2.41 mm | 2.41 mm |