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| PartNumber | B57891M682K | B57891M682J | B57891M683J |
| Description | Thermistors - NTC 6.8k 3980 3% | Thermistors - NTC 6.8k 3980 3% | Thermistor NTC 68KOhm 5% 2-Pin Radial Bulk (Alt: B57891M0683J000) |
| Manufacturer | EPCOS (TDK) | EPCOS (TDK) | - |
| Product Category | Thermistors - NTC | IC Chips | - |
| Series | B57891M | B57891M | - |
| Type | NTC | NTC | - |
| Packaging | Bulk | Bulk | - |
| Unit Weight | 0.007055 oz | 0.007055 oz | - |
| Termination Style | Radial | Radial | - |
| Operating Temperature Range | - 40 C to + 125 C | - 40 C to + 125 C | - |
| Length | 3.5 mm | 36 mm | - |
| Package Case | Disc, 3.5mm Dia x 3.5mm W | Disc, 3.5mm Dia x 3.5mm W | - |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | - |
| Mounting Type | Through Hole | Through Hole | - |
| Tolerance | 10 % | 5 % | - |
| Power Max | 200mW | 200mW | - |
| Lead Spacing | 2.5 mm | 2.5 mm | - |
| Diameter | 3.5 mm | 3.5 mm | - |
| Resistance Tolerance | ±10% | ±5% | - |
| Resistance in Ohms 25°C | 6.8k | 6.8k | - |
| B Value Tolerance | ±3% | ±3% | - |
| B0 50 | - | - | - |
| B25 50 | - | - | - |
| B25 75 | - | - | - |
| B25 85 | - | - | - |
| B25 100 | 3980K | 3980K | - |
| Length Lead Wire | 1.42" (36.00mm) | 1.42" (36.00mm) | - |
| Resistance | 6.8 kOhms | 6.8 kOhms | - |
| Lead Diameter | 0.5 mm | 0.5 mm | - |
| Power Rating | 200 mW | 200 mW | - |
| Part # Aliases | B57891M0682K000 | B57891M0682J000 | - |
| Width | - | 3.5 mm | - |
| B Parameter | - | 3980 K | - |