Power NTC thermistor DGCX NTC2.5D-5KMF04G for surge current suppression in electronic applications

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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.