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Specifications
Resistance @ 25℃:
10kΩ
Operating Temperature:
-40℃~+105℃
B Constant (25℃/50℃):
3950K
B Constant Tolerance:
±1%
Mfr. Part #:
NTWB1002FB39500144
Key Attributes
Model Number:
NTWB1002FB39500144
Product Description
Product Overview
This product is a thermistor with a resistance of 10k at 25 and a B value of 3950K (25/50). It is designed for temperature sensing applications and offers precise resistance measurements across a wide operating temperature range. The product features robust construction with epoxy encapsulation and PVC insulated leads, ensuring reliability in various environments.
Product Attributes
- Brand: DERSONIC
- Origin: DONGGUAN DERSONIC ELECTRONIC CO., LTD.
- Part Number: NTWB1002FB39500144
- Customer P/N:
- Date: 2023-01-31
Technical Specifications
| Item | Symbol | Test Condition | Min | Normal | Max | Unit | Notes |
| Resistance at 25 | R25 | Ta=250.05, Pt0.1mw | 9.9 | 10 | 10.1 | k | |
| Resistance at 50 | R50 | Ta=500.05, Pt0.1mw | 3.5161 | 3.5882 | 3.6614 | k | |
| B Value (R25/50) | B | R R T T LN B 2 1 ) 2 1 1 1 ( T T | 3910.5 | 3950 | 3989.5 | k | |
| Dissipation Factor | Ta=250.5 (still air) | 5 | mw/ | ||||
| Time Constant | Ta=250.5 (still air) | 15 | sec | ||||
| Insulation Resistance | 500V/DC, 1min | 100 | M | ||||
| Withstand Voltage Test | 700V AC, I=0.5mA, 60s | ||||||
| Operating Temperature Range | -40 | +105 | |||||
| Response Sensitivity | 4.5 | 5 | 5.5 | S | |||
| Temperature Characteristics | See Appendix | ||||||
| Resistance Tolerance | See Appendix | K |
Reliability Test
| Test Item | Condition | Requirement |
| Solderability | Immersed in 2355 tin liquid, 2-3 seconds. Tin surface on lead immersion part shall be uniform, smooth, and cover >95%. | |
| Resistance to Soldering Heat | Immersed in 2655 tin liquid, 6mm from body, 51 seconds. No visible damage, R25 R/R 2%. | |
| Lead Strength (Pull) | 5N, 10 seconds. No visible damage, R25 R/R 2%. | |
| Temperature Rapid Change | -55 (30min) 25 125 (30min) 25, 5 cycles. Recover 4 hours. No visible damage, R25 R/R 2%. | |
| High Temperature Test | 125, 16 hours. No visible damage, R25 R/R 2%. | |
| Cold Test | -55, 2 hours. No visible damage, R25 R/R 2%. | |
| Low Pressure Test | 400.1 Kpa, 4 hours. No visible damage, R25 R/R 2%. | |
| Steady State Damp Heat | 40, 93% RH, 50012 hours. No visible damage, R25 R/R 2%. Withstand Voltage 700V/AC 1min, Insulation Resistance 100 K. | |
| Alternating Damp Heat | 25~40, 90% RH, 50012 hours. R25 R/R 2%. Withstand Voltage 700V/AC 1min, Insulation Resistance 100 K. | |
| Upper Category Temperature, Lower Zero Power Durability | 100024 hours. No visible damage, R25 R/R 2%. | |
| Vibration Test | Frequency range: 10~500Hz, Amplitude: 0.75mm or 98m/S, 2 hours. No visible damage, R25 R/R 2%. | |
| Shock Test | Acceleration: 250m/S, Pulse duration: 6ms, 4000 shocks. No visible damage, R25 R/R 2%. |
Storage Conditions
| Condition | Specification |
| Stacking Height (Storage/Transport) | Max 4 boxes per stack. |
| Transportation | Any method allowed, avoid direct/indirect rain/snow and mechanical damage. |
| Storage Environment | Temperature: 10 to +40, Relative Humidity: 80%. Avoid acidic/alkaline substances, corrosive gases, or radiation sources. |
2302141837_Dersonic-NTWB1002FB39500144_C5355639.pdf
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