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Changsha Purple Horn E-Commerce Co., Ltd.

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China Temperature Monitoring Chip NTC Thermistor Nanjing Shiheng Elec CMFA 104F3950
China Temperature Monitoring Chip NTC Thermistor Nanjing Shiheng Elec CMFA 104F3950

  1. China Temperature Monitoring Chip NTC Thermistor Nanjing Shiheng Elec CMFA 104F3950

Temperature Monitoring Chip NTC Thermistor Nanjing Shiheng Elec CMFA 104F3950

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Resistance @ 25℃ 100kΩ
Power(Watts) 100mW
Operating Temperature -40℃~+125℃
Tolerance ±1%
B Constant (25℃/100℃) -
Steady State Current (Max) 100uA
Thermal Time Constant 5s
B Constant (25℃/85℃) 3987K
B Constant (25℃/75℃) -
B Constant Tolerance ±1%
B Constant (25℃/50℃) 3950K
Description NTC Thermistor 100kΩ Surface Mount 0603
Mfr. Part # CMFA 104F3950
Package 0603
Model Number CMFA 104F3950

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  1. Product Details
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Product Specification

Resistance @ 25℃ 100kΩ Power(Watts) 100mW
Operating Temperature -40℃~+125℃ Tolerance ±1%
B Constant (25℃/100℃) - Steady State Current (Max) 100uA
Thermal Time Constant 5s B Constant (25℃/85℃) 3987K
B Constant (25℃/75℃) - B Constant Tolerance ±1%
B Constant (25℃/50℃) 3950K Description NTC Thermistor 100kΩ Surface Mount 0603
Mfr. Part # CMFA 104F3950 Package 0603
Model Number CMFA 104F3950

Product Overview

The CMFA 104F3950 is a chip NTC thermistor from Nanjing Shiheng Electronic Technology Co., Ltd. Designed for a wide operating temperature range of -40 to +125, this component offers precise temperature sensing capabilities with a nominal zero-power resistance of 100k at 25 and a B constant of 3950K (25/50). Its compact 0603 (A) size (1.6x0.8mm) makes it suitable for various electronic applications requiring accurate temperature monitoring and control.

Product Attributes

  • Brand: Shiheng
  • Manufacturer: Nanjing Shiheng Electronic Technology Co., Ltd.
  • Product Type: Chip NTC Thermistor
  • Series: CMF
  • Origin: China

Technical Specifications

Part Number Type External Dimensions (LW) Nominal Zero-Power Resistance at 25 (k) Tolerance of Resistance B Constant (25/50) (K) B Constant (25/85) (K) Permissible Operating Current at 25 (mA) Dissipation Factor (mW/) Thermal Time Constant (s) Rated Electric Power at 25 (mW) Operating Ambient Temperature ()
CMFA 104F3950 CMF A (0603) 1.60.8 mm 100 F (1%) 3950 3987 0.10 1.0 <5 100 -40+125

Dimensions (0603/A Series)

Type L W T a b c
A [0603] 1.60.15 [0.0630.006] 0.80.15 [0.0310.006] 0.80.15 [0.0310.006] 0.30.2 [0.0120.008] [0.6-0.8] [0.6-0.7]

R-T Table (R25=100k1%, B(25/50)=39501%, B(25/85)=4010)

Temperature (C) R_Min (Kohm) R_Cent (Kohm) R_Max (Kohm) Res TOL. Temp. TOL.(C)
-40 3,084.269 3,225.545 3,372.955 4.57% 0.67
-39 2,892.785 3,023.332 3,159.454 4.50% 0.66
... ... ... ... ... ...
150 1.646 1.731 1.821 5.18% 2.27

Recommended Soldering Technologies

Re-flowing Profile

  • Ramp: 1~2C/sec.
  • Pre-heating: 150~190C/9030 sec.
  • Time above 240C: 20~40 sec.
  • Peak temperature: 260C Max./10 sec.
  • Solder paste: Sn/3.0Ag/0.5Cu
  • Max. 2 times for re-flowing.

Iron Soldering Profile

  • Iron soldering power: Max. 30W
  • Pre-heating: 150C/60 sec.
  • Soldering Tip temperature: 350C Max.
  • Soldering time: 3 sec Max.
  • Solder paste: Sn/3.0Ag/0.5Cu
  • Max. 1 time for iron soldering.
  • Note: Take care not to apply the tip of the soldering iron to the terminal electrodes.

Storage Conditions

  • Storage Temperature: -10C40C
  • Relative Humidity: 75%RH
  • Keep away from corrosive atmosphere and sunlight.
  • Period of Storage: 6 Months

Notes & Warnings

  • The series thermistors shall not be operated and stored under the following environmental conditions: Corrosive or deoxidized atmospheres (such as chlorine, sulfurated hydrogen, ammonia, sulfuric acid, nitric oxide and so on), volatile or inflammable atmospheres, dusty condition, excessive high or low pressure condition, humid site, places with brine, oil, chemical liquid or organic solvent, intense vibration, and places with analogously deleterious conditions.
  • The ceramic body of the series thermistors is fragile; no excessive pressure or impact shall be exerted on it.
  • The series thermistors shall not be operated beyond the specified Operating Temperature Range in the catalog.

2109061130_Nanjing-Shiheng-Elec-CMFA-104F3950_C2889051.pdf

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Agent,Importer

  • Year Established:

    2009

  • Employee Number:

    300~500

  • Ecer Certification:

    Verified Supplier

Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture. Founded in 2009, Our compa... Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture. Founded in 2009, Our compa...

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  • Changsha Purple Horn E-Commerce Co., Ltd.
  • 2332 Kaibin Commercial Plaza, No. 419 Shaoshan Middle Road, Shazitang Street, Yuhua District, Changsha City, Hunan Province
  • https://www.sensorsics.com/

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