Temperature Sensor Nanjing Shiheng Elec MF11 502M Compensated NTC Thermistor for Precise Measurement

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Product Description

Product Overview

The MF11 series of compensated NTC thermistors from Nanjing Shiheng Electronics Technology 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 manufactured with high-quality materials and undergo rigorous testing to meet demanding reliability standards.

Product Attributes

Brand: Shiheng
Product Name: Compensated NTC Thermistor
Series: MF11
Origin: Nanjing, China
Encapsulation Material: Epoxy Resin
Lead Material: Tin-plated Copper Clad Steel Wire
Body Color: Green
Marking Color: Black
Certifications: ISO9001:2008, 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	5K17%
B Value	B25/50	B=[(TaTb)/(Tb-Ta)]ln(Ra/Rb)	K	395010%
Dissipation Factor		Still air	mW/	Approx. 4.5
Time Constant		Still air	sec	Approx. 20
Insulation Resistance	/	1000V/DC, 1min	M	500
Operating Temperature Range	/	/		-30 ~ 125
Max. Rated Power	Pmax	/	mW	450
Lead Strength (Pull Force)	/	0.35	/	No visible damage, R25 R/R3%
Solderability	/	Temperature 2455, Time 2-3 sec	/	Wetting Area 95%
Resistance to Soldering Heat	/	Solder pot temp: 2605, Immersion depth 6mm from resistor body, Time 51 sec	/	R25 R/R3%
Steady State Damp Heat	/	Temperature: 402, Humidity: 932%, Time: 500 hours	/	R25 R/R3%
Temperature Cycling	/	-30 30min25 5min125 30min25 5min, Repeated 5 times	/	R25 R/R3%
High Temperature Storage	/	Temperature: 1255, Time: 1000 hours	/	R25 R/R5%
Low Temperature Storage	/	Temperature: -305, Time: 1000 hours	/	R25 R/R5%

Product Model Explanation

MF11 502 M

MF11: Compensated NTC Thermistor
502: Zero-power resistance at 25 is 5K
M: Resistance Tolerance Code (J-5%, K-10%, M-20%)

Usage Precautions

Intended Use: Temperature measurement and control.
Soldering: When soldering with a soldering iron, maintain a distance of at least 2mm 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.
Environment: Avoid storage in environments with corrosive gases and direct sunlight.
Packaging: After opening the package, re-seal for storage.

Dimensions

(Unit: mm)

Dimensions are not explicitly provided in a structured format.

Contact Information

Nanjing Shiheng Electronics Technology Co., Ltd.

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