Surge Current Suppression Nanjing Shiheng Elec MF72 10D15 Power Type NTC Thermistor with Epoxy Resin

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Product Description

Product Overview

The MF72 series power type NTC thermistors from 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 manufactured with a black epoxy resin coating and tinned copper leads. They are suitable for applications requiring protection against inrush currents.

Product Attributes

Brand: Shiheng
Product Series: MF72
Product Type: Power Type NTC Thermistor
Encapsulation Material: Black Epoxy Resin
Lead Material: Tinned Copper Wire
Origin: Nanjing, China
Certifications: ISO9001:2008, ISO/TS16949:2009, ISO14001:2004, RoHS, CQC, UL (E241319), Jiangsu Province High-tech Product, TUV (R50245892)

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%
B Value	B25/50	B=[(TaTb)/(Tb-Ta)]ln(Ra/Rb)	K	320010%
Max Steady State Current	I max		A	5
Max Allowable Capacitance	CT	240Vac	F	470
Dissipation Factor			mW/	20
Thermal Time Constant			sec	75
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	5
Lead Strength		Tension: (wire diameter mm), Tension (N), Time: 101 sec		0.5<d0.8: 10 N; 0.8<d1.25: 20 N; No visible damage, R/R25%
Solderability		Temperature 2455, Time 2-3 sec		95% tinning area
Resistance to Soldering Heat		Solder pot temperature: 2605, Immersion depth 6mm from resistor body, Time 101 sec		R/R25%
Steady State Damp Heat		Temperature: 402, Humidity: 932%, Time: 1000 hours		R/R25%
Rapid Change of Temperature		-40 30min 25 5min 200 30min 25 5min, repeated 5 times		R/R25%
High Temperature Storage		Temperature: 2005, Time: 1000 hours		R/R25%
Max Steady State Current Durability		Continuously apply max steady state current at room temperature for 100024h		R/R25%
Max Capacitance Endurance		Apply max allowable capacitance, intermittently close for 50ms, open for 5 times thermal time constant per cycle, apply 1000 cycles		R/R25%

Dimensions (Unit: mm)

Model	D	L1	L2	F1	F2	T	d
MF72-10D15	Max 17.5, Min 17	5 2	7.5 1	4 1.5	Max 6.0	0.8 0.05	0.8 0.05

Usage Precautions

Product Purpose: Surge current suppression.
Soldering: When using a soldering iron, the soldering point should be 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 and direct sunlight.
Packaging: Re-seal packaging after opening.
Shelf Life: 1 year.

Product Model Description

MF72-10D15

MF72: Power Type NTC Thermistor
10: Zero power resistance at 25 is 10
D15: Body diameter is D15

Manufacturer Information

Nanjing Shiheng Electronics Technology Co., Ltd.

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