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Specifications
Resistance @ 25℃:
10Ω
Pitch:
10mm
Operating Temperature:
-40℃~+200℃
Tolerance:
±20%
Steady State Current (Max):
6A
Thermal Time Constant:
1.88min
B Constant (25℃/50℃):
2950K
Mfr. Part #:
NTC 10D-20
Package:
Through Hole,P=10mm
Key Attributes
Model Number:
NTC 10D-20
Product Description
Product Overview
This document details the NTC 10D-20/P=10 Negative Temperature Coefficient (NTC) thermistor, a component designed for temperature sensing and protection applications. It provides key technical parameters, including resistance values, B-values, thermal constants, and operating conditions, along with detailed specifications for its electrical, mechanical, and environmental performance.
Product Attributes
- Brand: (Chengxi Electronics)
- Origin: Dongguan, China
- Coating Color: Black
Technical Specifications
| Model | Common Parameters | Parameters of Technology |
| 10D-20 | Size (mm): D Max22.5 Min20.0, L 10+1.0, F1 Max7.0, T 1.0+0.1 Materials: Wrapper - Modified phenolic resin, Down-lead - CP Wire, Coating color - Black | Zero Power Resistance at 25: 1020% B Value: 2950 K Thermal Time Constant: 113 S Thermal Dissipation Constant: 24 mW/ Operating Temperature: -40 to +200 Max Steady State Current: 6 A |
NTC Thermistor Technical Terms
| Item | Experimental Method | Test Equipment | Requirement |
| Rated Zero Power Resistance | Measured at standard 25 | HG-2515 Thermistor Tester | Resistance value within allowable deviation range: M: 20%, L: 15%, K: 10%, J: 5% |
| B Value | B=[ln(RT1)- ln(RT2)]/(1/T1-1/T2) where T1=273.15+25, T2=273.15+50/85 | HG-2515 Thermistor Tester, Constant Temperature Oil Bath | Conforms to datasheet requirements |
| Dissipation Coefficient () | =P/T | Dissipation Coefficient Tester | See Main Technical Parameters Table |
| Thermal Time Constant () | =C/ | Thermal Time Constant Tester | See Main Technical Parameters Table |
| R-T Characteristic | R-T Relationship Diagram | / | / |
| Static V-A Characteristic | Relationship between voltage and current after thermal equilibrium is established. Plotted on a double logarithmic scale. | / | / |
| Residual Resistance | Resistance value when maximum DC current is applied and thermal equilibrium is reached under standard test conditions. | Steady State Current Test Machine | See Main Technical Parameters Table |
| Maximum Allowable Capacity | Maximum allowable capacitance value connected to a thermistor under load. | Maximum Allowable Capacity Test Machine | Zero power resistance change rate 25% |
| Maximum Steady State Current | Maximum continuous DC current allowed to be applied to the thermistor at an ambient temperature of 25. | Maximum Steady State Current Test Machine | Appearance without damage, resistance change rate 25% |
NTC Thermistor Process Performance ~ Mechanical Performance
| Item | Experimental Method | Test Equipment | Requirement |
| Solderability | Immersion of thermistor lead wire in 2605 tin liquid for 2 0.5s, then observe appearance. | Tin Furnace | Uniform tinning on lead-out end, over 90% immersion area, defects not concentrated in one place. |
| Soldering Heat Resistance | Immersion of thermistor lead wire in 26010 tin liquid, immersion depth 2.0mm+0/-0.5mm from base plane, with 1.50.2mm heat insulation layer, maintained for 50.5s. Recovery time 1 to 2 hours. | Tin Furnace | Zero power resistance change rate 25% |
| Lead Terminal Strength | Apply specified load to one lead terminal for 10 seconds. Bend the other lead terminal 90 degrees, restore, and reverse 90 degrees, then restore. Load: 10N for 0.6-1.0mm diameter wires. | HG-2515 Thermistor Tester | Appearance without visible damage, zero power resistance change rate 25% |
| Vibration | Fix thermistor on vibration table, frequency 10Hz to 500Hz, amplitude 0.75mm, continuous for 6 hours. Observe appearance. | Vibration Table | Appearance without visible damage, clear marking, zero power resistance change rate 25% |
| Shock | Fix thermistor on shock table, acceleration 390m/s, 400010 shocks. Observe appearance. | Shock Table | Appearance without visible damage, clear marking, zero power resistance change rate 25% |
| Rapid Temperature Change | Cycle: TA (lower limit temperature) 30min, transition 5min, TB (upper limit temperature) 30min, room temperature 5min. Perform 5 cycles. Recovery for 4 hours. | High and Low Temperature Test Chamber, HG-2515 Thermistor Tester | Appearance without visible mechanical damage, clear marking, zero power resistance change rate 25% |
| Climate Sequence | Dry Heat (IEC68-2-2 Ba, 16h), Cyclic Damp Heat (IEC68-2-30 Db, 55, 24h/cycle), Cold (-403, 2h), Low Pressure (IEC68-2-13 M, 1h), Alternating Damp Heat (IEC68230 Db). Recover at room temp for 1h+, measure resistance within 24h. | High and Low Temperature Test Chamber, HG-2515 Thermistor Tester | Appearance without visible mechanical damage, clear marking, zero power resistance change rate 25% |
| Steady State Damp Heat | Place thermistor in 402, 90-95% RH test chamber for 21 days. Recover for 4h+, measure resistance. Compare with pre-test values. | Test Chamber / HG-2515 Thermistor Tester | Appearance without visible mechanical damage, clear marking, zero power resistance change rate 25% |
| Upper Limit Temperature Endurance | Place thermistor in upper limit temperature test chamber for 1000h. Recover for 4h+, measure resistance. | Constant Temperature Test Chamber, HG-2515 Thermistor Tester | Appearance without visible mechanical damage, clear marking, zero power resistance change rate 25% |
2411151443_DGCX-NTC-10D-20_C42383356.pdf
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