Surge current limiting Nanjing Shiheng Elec MF72 10D20 power type NTC thermistor with certifications

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Product Description

Product Overview

The MF72 series of power type NTC thermistors, manufactured by Nanjing Shiheng Electronics Technology Co., Ltd., are designed for surge current suppression. These components offer reliable performance with a wide operating temperature range and are certified under various quality and safety standards. They are suitable for applications requiring effective inrush current limiting.

Product Attributes

Brand: Shiheng
Product Series: MF72
Product Type: Power Type NTC Thermistor
Origin: Nanjing, China
Encapsulation Material: Black Silicone Resin
Lead Material: Tinned Copper Wire
Certifications: ISO9001:2008, ISO/TS16949:2009, ISO14001:2004, CQC Safety Certification, Jiangsu Province High-tech Product Certification, TUV, UL (E241319)
Environmental Compliance: RoHS

Technical Specifications

Item	Symbol	Test Condition	Unit	Performance Requirement
Zero-power Resistance at 25	R25	Ta=250.5, Test Power 0.1mW, Tested in Air		1020% (for MF72-10D20)
B Value	B25/50	B=[(TaTb)/(Tb-Ta)]ln(Ra/Rb)	K	320010%
Max Steady State Current	I max	-	A	6
Max Allowable Capacitance	CT	240Vac	F	560
Dissipation Factor		-	mW/	25
Thermal Time Constant		-	sec	102
Withstand Voltage	-	500V/AC, 1min	-	No breakdown or flashover
Insulation Resistance	-	500V/DC, 1min	M	500
Operating Temperature Range	-	-		-40 ~ 200
Max Rated Power	Pmax	-	W	6
Lead Strength (Pull)	-	101 sec	N	10 (for 0.5
Lead Strength (Resistance Change)	R/R	-	%	25%
Solderability	-	Temp 2455, Time 2-3 sec	-	95% tinned area
Resistance to Soldering Heat	R/R	Pot Temp: 2605, Immersion depth 6mm from body, Time 101 sec	%	25%
Steady State Damp Heat	R/R	Temp: 402, Humidity: 932%, Time: 1000 hours	%	25%
Rapid Change of Temperature	R/R	-40 30min 25 5min 200 30min 25 5min, 5 cycles	%	25%
High Temperature Storage	R/R	Temp: 2005, Time: 1000 hours	%	25%
Max Steady State Current Durability	R/R	Continuous application of max steady state current at room temp, 100024h	%	25%
Max Capacitance Durability	R/R	Apply max allowable capacitance, 50ms ON, 5x thermal time constant OFF cycle, 1000 cycles	%	25%
Model: MF72-10D20	Body Diameter (D)	-	mm	20
Model: MF72-10D20	Length (L)	-	mm	22.5 Max
Model: MF72-10D20	Lead Length (F)	-	mm	25 Min
Model: MF72-10D20	Lead Diameter (d)	-	mm	1.00.05
Model: MF72-10D20	Lead Spacing (T)	-	mm	101

Usage Notes

Primary Use: Surge current suppression.
Soldering: When using a soldering iron, keep the soldering point at least 2mm away from the coating layer. Soldering temperature should be below 360, and soldering time should be less than 3 seconds.
Storage Temperature: -10 to 40.
Storage Humidity: 75% RH.
Storage Environment: Avoid storage in environments with corrosive gases or direct sunlight.
Packaging: Reseal packaging after opening for storage.
Shelf Life: 1 year.

Contact Information

Company: Nanjing Shiheng Electronics Technology Co., Ltd.
Address: No. 18 Jinyang Road, Hushu Town, Jiangning District, Nanjing City, 211121, China
Tel: 025-52121868
Fax: 025-52122373
Email: sales@shiheng.com.cn
Website: Http://www.shiheng.com.cn