Description
SKU: R139922
- Model: MF5A-5 103F3977BT461
- Rated Resistance: 10 kΩ at +25°C
- B Value: 3977 K ± 1%
- Operating Range: -40°C to +125°C
- Time Constant: ≤ 16 sec in still air
₹ 39.00 (Incl. GST)
The FocuSens NTC Thermistor is designed for precise temperature measurement and control applications. Utilizing negative temperature coefficient (NTC) technology, this thermistor exhibits a decrease in resistance as temperature increases, allowing for accurate temperature readings across a wide range.
Note:Refer to datasheet in the ATTACHMENTS section for more info. regd. the product.
Specifications:
- Rated Resistance (R25): 10 kΩ at +25°C ± 0.05°C
- B Value (B25/85): 3977 K ± 1%
- Operating Temperature Range: -40°C to +125°C
- Time Constant (τ): ≤ 16 sec in still air
- Dissipation Factor: > 2.1 mW/°C in still air
- Voltage Withstanding: AC 750V (Peak value)
- Insulation Resistance: 2100 MΩ at DC 500V
- Max Power Rating: 60 mW at +25°C
Reliability Test:
- Pull Test: Lead wires subjected to a 5N force for 10 ± 1 sec; no visible damage.
- Soldering Heat Resistance: Dipped into solder at 350 ± 10°C for 3.5 ± 0.5 sec; AR25/R25 < ±2%.
- High Temperature Storage: 100 ± 3°C for 1000 hours; AR25/R25 < ±2%.
- Low Temperature Storage: -40 ± 3°C for 1000 hours; AR25/R25 +2%.
- Heat and Humidity Stability: 40 ± 2°C, 92% RH ~ 98% RH for 240 hours; AR25/R25 < +2%.
- Free Fall Test: Dropped from 1 meter height onto concrete; no visible damage.
Application:
- Temperature Measurement and Control: Ideal for HVAC systems, industrial equipment, and consumer electronics where accurate temperature sensing is critical.
- Integration in Circuits: Suitable for use in custom electronic projects and systems requiring thermal feedback.
Operational notes:
- Operating Temperature Range: -40°C to +125°C.
- Avoid Measure Error: Prevent self-heating errors from overcurrent.
- Heat Shock Precautions: Maintain at least 10 mm distance when using hot air.
Tolerance specifications:
- 0-10 mm: ±0.1 mm
- 10-100 mm: ±0.2 mm
- 100-300 mm: ±0.3 mm
- 120-400 mm: ±0.5mm
Componets includes:
- 1 x NTC Thermistor
- 2 x AF200 30AWG, red and black, epoxy resin
| Shipping Weight | 0.005 kg |
| Shipping Dimensions | 7 × 9 × 1 cm |
15 Days Warranty Against Sealed Product
This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defect. Replacement will be done against manufacturing defects.
What voids the warranty:
If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.
Warranty Against Sealed Product:
This product comes with manufacturer seal so, warranty Policy shall cover only those issues pertaining to the manufacturing defects in the product. In any other case, No return will be accepted if the seal is broken.







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