temperature sensing Nanjing Shiheng Elec MF11 103K compensated NTC thermistor for industrial systems

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Product Description

Product Overview

The MF11 series of compensated NTC thermistors, manufactured by Nanjing Shiheng Electronics Co., Ltd., are designed for temperature measurement and control applications. These thermistors offer precise resistance values at 25 and a specified B value, ensuring reliable performance across a wide operating temperature range of -30 to 125. They are suitable for various industrial applications requiring accurate temperature sensing and regulation.

Product Attributes

Brand: Shiheng
Product Name: Compensated NTC Thermistor
Model Series: MF11
Origin: Nanjing, China
Encapsulation Material: Epoxy Resin
Lead Wire Material: Tinned Copper Clad Steel Wire
Body Color: Green
Marking Color: Black
Certifications: ISO9001:2008, ISO/TS16949:2009, ISO14001:2004, ROSH, CQC, UL (E240991), TUV (R50245892)

Technical Specifications

Item	Symbol	Test Condition	Unit	Performance Requirement
Zero-power Resistance at 25	R25	Ta=250.1, Test Power 0.1mW	K	10K 10%
B Value	B25/50	B=[(TaTb)/(Tb-Ta)]ln(Ra/Rb)	K	4050 10%
Dissipation Factor		In still air	mW/	Approx. 4.5
Time Constant		In still air	sec	Approx. 20
Insulation Resistance	/	1000V/DC, 1min	M	500
Operating Temperature Range	/	/		-30 ~ 125
Maximum Rated Power	Pmax	/	mW	450
Lead Strength (Tensile)	/	0.35	N	5 (No visible damage, R/R3%)
Lead Strength (Tensile)	/	0.5	N	10 (No visible damage, R/R3%)
Solderability	/	2455, 2-3 sec	%	95% tinned area
Resistance to Soldering Heat	/	2605, 6mm from body, 51 sec	%	R/R3%
Steady State Damp Heat	/	402, 932% RH, 500 hours	%	R/R3%
Temperature Cycling	/	-30(30min)25(5min)125(30min)25(5min), 5 cycles	%	R/R3%
High Temperature Storage	/	1255, 1000 hours	%	R/R5%
Low Temperature Storage	/	-305, 1000 hours	%	R/R5%

Product Model Explanation

MF11: Compensated NTC Thermistor

103: Zero-power resistance at 25 is 10K

K: Resistance Tolerance Code (J-5%, K-10%, M-20%)

Usage Precautions

Intended Use: Temperature measurement and control.
Soldering: When using a soldering iron, maintain a distance of at least 2mm from the coating layer. Soldering temperature should be below 360, with a soldering time less than 3 seconds.
Storage Conditions: Storage temperature: -10 to 40; Storage humidity: 75% RH.
Environmental Avoidance: Avoid storage in environments with corrosive gases and direct light.
Packaging: After opening the package, reseal for storage.