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| PartNumber | B57540G503F | B57540G502H | B57540G502F |
| Description | Thermistors - NTC 5k 4006 | Thermistors - NTC 5k 3497 | Thermistors - NTC 5k 3497 |
| Manufacturer | EPCOS (TDK) | EPCOS (TDK) | EPCOS (TDK) |
| Product Category | Thermistors - NTC | Thermistors - NTC | Thermistors - NTC |
| Series | B57540G | B57540G | B57540 |
| Type | NTC | NTC | NTC |
| Packaging | Bulk | Bulk | Bulk |
| Termination Style | Radial | Radial | Radial |
| Operating Temperature Range | - 55 C to + 200 C | - 55 C to + 200 C | - 55 C to + 200 C |
| Height | 1.4 mm | 1.4 mm | 1.4 mm |
| Width | 0.8 mm | - | 0.8 mm |
| Package Case | Bead, Glass | Bead, Glass | Bead, Glass |
| Operating Temperature | -55°C ~ 200°C | -55°C ~ 200°C | -55°C ~ 200°C |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Tolerance | 1 % | 2 % | 1 % |
| Power Max | 18mW | 18mW | 18mW |
| Diameter | 0.8 mm | 0.8 mm | 0.8 mm |
| Resistance Tolerance | ±1% | ±3% | ±1% |
| Resistance in Ohms 25°C | 50k | 5k | 5k |
| B Value Tolerance | ±1% | - | ±1% |
| B0 50 | - | - | - |
| B25 50 | - | 3480K | - |
| B25 75 | - | - | - |
| B25 85 | 3992K | 3450K | 3408K |
| B25 100 | 4006K | 3497K | 3497K |
| Length Lead Wire | 2.56" (65.00mm) | 2.56" (65.00mm) | 2.56" (65.00mm) |
| Resistance | 50 kOhms | 5 kOhms | 5 kOhms |
| Lead Diameter | 0.15 mm | 0.15 mm | 0.15 mm |
| Power Rating | 18 mW | 18 mW | 18 mW |
| B Parameter | 3992 K 3970 K 4006 K | - | 3480 K 3450 K 3497 K |
| Part # Aliases | B57540G0503F000 | B57540G0502H000 | B57540G0502F000 |