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Specifications
Resistance @ 25℃:
2.5Ω
Operating Temperature:
-40℃~+150℃
Tolerance:
±20%
Steady State Current (Max):
1.5A
Thermal Time Constant:
18s
B Constant (25℃/50℃):
2600K
B Constant Tolerance:
±10%
Mfr. Part #:
NTC2.5D-5KMF04G
Package:
Through Hole
Key Attributes
Model Number:
NTC2.5D-5KMF04G
Product Description
Product Overview
The NTC 2.5D-5/P=5/L=4 is a power NTC thermistor designed for surge current suppression. It features a small size, high power handling, fast response, high reliability, and long life. The thermistor offers a high B value and low residual resistance, making it suitable for a wide operating range and various applications including switch mode power supplies, adapters, LED drivers, electronic ballasts, and motor protection.
Product Attributes
- Brand: (Chengxi Electronics)
- Origin: (Dongguan City)
- Product Name: NTC (NTC Power Thermistor)
- Product Model: NTC 2.5D-5/P=5/L=4
- Customer P/N: NTC2.5D-5KMF04G
- Lead Shape: (Internal Bending Leads)
- Coating Color: (Green)
- Wrapper Material: (Silicone Resin)
- Down-lead Material: CP (CP Wire)
Technical Specifications
| Item | Specification | Test Conditions & Methods |
|---|---|---|
| Product Details | ||
| Product Model | NTC 2.5D-5/P=5/L=4 | |
| Shape | Disk | |
| Diameter (D) | 7.0mm (max) | |
| Thickness (T) | 3.5mm (max) | |
| Lead Spacing (F) | 5mm (0.5) | |
| Lead Length (L) | 21mm (min) | |
| Lead Diameter (d) | 0.5mm (0.1) | |
| Rated Zero-Power Resistance (R25) | 2.5 20% | Ambient temp. 251, Test voltage: 1.5VDC |
| Material Constant (B25/50) | 2600 10% | B=T1T2/(T2-T1)Ln(R1/R2), T1=298.15K(25), T2=323.15K(50) |
| Max. Steady State Current | 1.5A | Ambient temp. 252, Test Current: 1.5A |
| Thermal Dissipation Constant () | 6 mW/ | Ratio of power dissipation change (P) to temperature change (T) at specified ambient temp. |
| Thermal Time Constant () | 18 s | Time to reach 63.2% of ambient temp. change under zero power condition. |
| Operating Temperature Range | -40 ~ 150 | |
| Mechanical Characteristics | ||
| Solder-ability | Terminals shall be uniformly tinned, area 95% | Dipping in 240-245 solder bath for 2-3s, 15mm depth, 6mm from body. (IEC68-2-20/GB2423.28 Ta) |
| Resistance To Soldering Heat | No visible damage. R/RN 20% | Dipping in 2655 solder bath for 101s, 15mm depth, 6mm from body. Recover 4-5h at 252. (IEC68-2-20/GB2423.28 Tb) |
| Strength of lead terminal | No break out. R/RN 20% | Test Ua: 10N pull for 10s. Test Ub: 90 bend, 5N pull for 10s; 180 twist, 5N pull for 10s. Recover 4-5h at 252. (IEC68-2-21/GB2423.29 Ua/Ub) |
| Reliability Test | ||
| Temperature Cycling | No visible damage. RN/RN 20% | Cycles: 5 times. -403/30min 252/5min 2003/30min 252/5min. Recover 4-5h at 252. |
| Electrical Cycling | No visible damage. RN/RN 20% | Cycles: 1,000 times. On/Off: 1m/5m. Test Current: 1.5A. Ambient temp. 252. Recover 4-5h at 252. |
| Load Life (Endurance) | No visible damage. RN/RN 20% | 3.0A / 1,00024h. Ambient temp. 252. Recover 4-5h at 252. |
| Humidity Testing | No visible damage. RN/RN 20% | 402, 933% RH, Energized for 100024 h. Recover 4-5h at 252. |
2505291610_DGCX-NTC2-5D-5KMF04G_C49003042.pdf
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