B57276K123A30
PROBE, THERMISTOR, NTC
- Manufacturer: TDK
- Product type:
- Zero Power Resistance at 25°C:5kohm; Product Range:B57276 Series; Thermistor Mounting:Panel; Beta Value (K):3760K; Thermistor Case Style:-; Thermistor Terminals:Quick Connect; Operating Temperatur
- SVHC: No SVHC (15-Jan-2018)
- B-Constant: 3760K
- Lead Length: -
- NTC Mounting: Panel Mount
- NTC Case Size: -
- Product Range: B57276K Series
- Qualification: -
- Probe Diameter: 9.8mm
- Probe Material: Stainless Steel
- Thermistor Type: NTC
- Resistance (25°C): 5kohm
- Thermistor Mounting: Panel
- B-Constant Tolerance: ± 1.5%
- Thermistor Terminals: Quick Connect
- Operating Temperature Max: 100°C
- Operating Temperature Min: -10°C
- Resistance Tolerance (25°C): ± 2%
- Thermal Time Constant (in Air): 15s
| Delivery and price | |
|---|---|
| Units per pack | 5000 |
| Price | 2.79 € |
| Current stock | 10+ |
| Lead time | 30 days |
**Temperature Measurement Probe Assemblies** **B57276 K 276** ## **Applications** |**Applications**|||||||||||||||||||||| |---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---| |**Applications**||||ø12,4 max.|||||||||||||||||| |G Washing machines<br>G Dish washers|||12,2<br>~~=~~||||||||||||||||||| |G Tumble-dryers<br>G Water boilers||||||||||||||13,1||14.9|||||| ||||||||||||||||||||||| |**Features**<br>G Suitable for use in corrosive environments||||ø9,8+0,2|||||||||||||||||| |G Compact stainless steel case<br>G FASTON 5 plug terminals<br>(DIN 46 244/4,8×0,8)||||||||||||||||||||_<br>30,5 0,5|| |Ris> 1000 MΩ(V = 100 V dc)<br>Vis= 3750 V dc (t = 1 s)<br>G Cost-effective ready-to-use sensor|||2,8±0,2||||||||||0,4||10|||11||14±0,5|| |**Options**|||||||||||||||||||||| |Alternative resistance ratings, rated temperatures||||||2+0,2||||||||||||TNT0297-1|||| |and resistance tolerances available on request|||||Dimensions in mm||||||||||||Dimensions in mm||||| ||||||Approx. weight 10 g||||||||||||||Approx. weight 10 g||Approx. weight 10 g| |Climatic category (IEC 68-1)||10/100/56|||||||||||||||||||| |Max. power at 25°C|P25|500||||||||||||mW|||||||| |Resistance tolerance|∆R/RN|±2 %|||||||||||||||||||| |Rated temperature|TN|80||||||||||||°C|||||||| |B value tolerance|∆B/B|±1,5 %|||||||||||||||||||| |Dissipation factor (in water)|δth|approx.|20|||||||||||mW/K|||||||| |Thermal time constant|τa|approx.|15|||||||||||s|||||||| |Heat capacity|Cth|approx. 100|approx. 100|||||||||||mJ/K|||||||| Dimensions in mm Approx. weight 10 g |Type|R80<br>Ω|R25<br>Ω|No. of R/T<br>characteristic|B25/100<br>K|Ordering code| |---|---|---|---|---|---| |K 276/12 k/A27|1704|11982|2901|3760|B57276-K123-A27| Siemens Matsushita Components 74 **B57276 K 276** ## **Reliability data** |**Reliability data**||||| |---|---|---|---|---| |Test|Standard|Test conditions|∆R25/R25<br>(typical)|Remarks| |Storage in<br>dry heat|IEC<br>60068-2-2|Storage at upper<br>category temperature<br>T: 100°C<br>t: 1000 h|< 2 %|No visible<br>damage| |Storage in damp<br>heat, steady state|IEC<br>60068-2-3|Temperature of air: 40°C<br>Relative humidity of air: 93 %<br>Duration: 56 days|< 1 %|No visible<br>damage| |Rapid temperature<br>cycling|IEC<br>60068-2-14|Lower test temperature: – 10°C<br>Upper test temperature: 100°C<br>Number of cycles: 10|< 1 %|No visible<br>damage| |Endurance||Pmax: 500 mW<br>Duration: 1000 h|< 2 %|No visible<br>damage| |Long-term stability<br>(empirical value)||Temperature: 100°C<br>Duration: 10 000 h|< 3 %|No visible<br>damage| |Robustness of<br>terminations|DIN<br>46 249|Pull-out force<br>(both connectors together)<br>F = 50 N|—|No visible<br>damage| Siemens Matsushita Components 75
Updated at April 14, 2026
TDK Corporation is a globally recognized leader in electronic components and magnetic materials. Founded in 1935 to commercialize ferrites, the Tokyo-based company has evolved into a comprehensive manufacturer of high-performance passive components, sensors, and power electronics. TDK’s advanced materials technology serves as the foundation for its extensive portfolio, driving innovation across automotive, industrial, consumer electronics, and communication technologies. Our selection of TDK components heavily features their industry-leading passive components, with a primary focus on magnetics. TDK excels in manufacturing reliable inductive solutions, offering a vast array of power inductors and RF inductors optimized for demanding power management and high-frequency applications. Furthermore, their expertise in electromagnetic compatibility is showcased through a comprehensive range of EMC and RFI suppression products. This includes common mode chokes, power line filters, and specialized shielding materials designed to ensure superior signal integrity in complex designs. Beyond inductors and filtering components, TDK provides robust circuit protection and sensing solutions essential for modern engineering. The portfolio includes precision temperature sensing and compensation NTC thermistors, alongside TVS varistors and inrush current limiting components that safeguard sensitive electronics. Complemented by fixed value inductors, supercapacitors, and charging coils, TDK's versatile product offering delivers the reliability and performance required for sophisticated circuit design.
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