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Specifications
Resistance @ 25℃:
3Ω
Pitch:
10mm
Operating Temperature:
-40℃~+200℃
Tolerance:
±20%
Steady State Current (Max):
8A
Thermal Time Constant:
2min
B Constant (25℃/50℃):
3000K
B Constant Tolerance:
±10%
Mfr. Part #:
NTC 3D-20
Package:
Through Hole,P=10mm
Key Attributes
Model Number:
NTC 3D-20
Product Description
Product Overview
The NTC 3D-20/P=10 is a Power NTC thermistor from Dongguan Chengxi Electronics Co., Ltd. It is designed to suppress inrush current with its small size, high power, fast response, and high reliability. The thermistor features a large material constant (B value) and low residual resistance, making it suitable for a wide operating range and various electronic applications.
Product Attributes
- Brand: Dongguan Chengxi Electronics Co., Ltd.
- Product Name: Thermistor
- Product Code: NTC 3D-20/P=10
- Origin: China
- Material: Phenolic Resin (Encapsulation)
- Coating Color: Black
- Lead Material: CP Wire
Technical Specifications
| Item | Specification | Details |
| Product Identification | ||
| Product Code | NTC 3D-20/P=10 | |
| Model Specification | NTC 3D-20/P=10 | |
| Rated Zero-Power Resistance (R25) | 3 20% | |
| Material Constant (B25/50) | 3000 10% | B=T1T2/( T2- T1) Ln (R1/R2) where T1=298.15K(25), T2=323.15K(50) |
| Max. Steady State Current | 8 A | |
| Dissipation Constant | 20 mW/ | |
| Thermal Time Constant | 120 s | |
| Operating Temperature Range | -40 ~ 200 | |
| Physical Dimensions | ||
| Shape | Disk (D) | |
| Diameter (max) | 20 mm | D: 22.5mm |
| Thickness (max) | 7.0 mm | T: 7.0mm |
| Lead Spacing (F) | 10.0 mm | F: 1.0 |
| Lead Length (min) | 20 mm | L: min 20mm |
| Lead Diameter | 1.0 mm | d: 0.1 |
| Mechanical Characteristics | ||
| Solder-ability | 95% | Terminals uniformly tinned |
| Resistance To Soldering Heat | R/RN 20% | No visible damage |
| Strength of lead terminal | R/RN 20% | No break out |
| Electrical Characteristics | ||
| Rated Zero-Power Resistance (RN) | 3 20% | At TA: 251, Test Voltage: 1.5VDC |
| Thermal Dissipation Constant () | 20 mW/ | |
| Thermal Time Constant () | 120 s | |
| Material Constant (B) | 3000 10% | |
| Max. Steady State Current | 8.0 A | At Ambient temp: 252 |
| Reliability Test | ||
| Temperature Cycling | RN / RN 20% | -40 to 200, 5 cycles |
| Electrical Cycling | RN / RN 20% | 1,000 cycles (1 min on / 5 min off), 8.0A |
| Load Life (Endurance) | RN / RN 20% | 3.0A / 1,000h at 25 |
| Humidity Testing | RN / RN 20% | 40, 93% RH, 1000h |
| Storage Conditions | ||
| Temperature | -10+40 | |
| Humidity | 70% RH | |
2411151454_DGCX-NTC-3D-20_C42383219.pdf
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