ATH20K1R8B3950K 20KΩ 1% 3950K NTC Thermistor (Axial Leaded Ø1.8mm, Bare Leads)
$1.60
NTC Thermistor (Negative Temperature Coefficient)
R25: 20KΩ
Tolerance: ±1%
B-Value: 3950K (25/50)
Operating Temp: -40°C ~ +250°C
Dissipation Factor: 2mW/C
Max Power @25°C: 50mW
Package: Axial Leaded
Lead Type: Bare leads
Dimensions: Bead: Ø1.8 ± 0.2mm × L3.7 ± 0.3mm
Discount per Quantity
| Quantity | Price |
|---|---|
| 1 - 9 | $1.60 |
| 10 - 49 | $1.40 |
| 50 - 199 | $1.20 |
| 200 - 499 | $1.00 |
| 500 + | $0.80 |
Product Overview
ATH20K1R8B3950K is a 20KΩ ±1% NTC thermistor (B-value 3950K @25/50) built in a axial leaded package with bare tinned leads, rated for -40°C ~ +250°C operation.
Its compact bead gives fast thermal response and tight coupling to the sensed surface. Ideal for precision temperature sensing, measurement and compensation in laser diodes, optical modules, CCD/IR cameras and medical or industrial instruments; pairs with ATI TEC modules and temperature controllers.
Specifications
| Resistance (R25) | 20KΩ |
| Tolerance | ±1% |
| B-Value | 3950K @25/50 |
| Operating Temp. Range | -40°C ~ +250°C |
| Dissipation Factor | 2mW/C |
| Max Power @25°C | 50mW |
| Time Constant (Air) | ≤20s |
| Insulation Resistance | ≥500MΩ |
| Package Type | Axial Leaded |
| Lead Type | Bare leads |
| Lead Ø | 0.5 ± 0.05mm |
| Lead Length | 28 ± 1mm |
| Dimensions | Bead: Ø1.8 ± 0.2mm × L3.7 ± 0.3mm |
| Weight | 0.04 lbs |
|---|
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