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Specifications
Resistance @ 25℃:
10kΩ
Power(Watts):
50mW
Operating Temperature:
-45℃~+250℃
Tolerance:
±1%
B Constant (25℃/100℃):
-
Steady State Current (Max):
-
Diameter (φD):
1.8mm
Thermal Time Constant:
20s
B Constant (25℃/85℃):
3435K
B Constant (25℃/75℃):
-
B Constant (25℃/50℃):
3380K
B Constant Tolerance:
±1%
Mfr. Part #:
MF58 103F3435
Package:
Through Hole,D1.8xL4mm
Key Attributes
Model Number:
MF58 103F3435
Product Description
Product Overview
The MF58 series is a glass-encapsulated, temperature-sensing NTC thermistor designed for automotive applications. It offers precise temperature measurement and control with a wide operating temperature range of -45C to 250C. Key electrical characteristics include a zero-power resistance at 25C of 10K 1% and a B value of 3435K 1%. The thermistor is built with a glass shell and tin-plated steel lead wires, ensuring reliability and durability.
Product Attributes
- Brand: Shiheng Electronic Technology Co., Ltd.
- Product Type: Glass Encapsulated Temperature Sensing NTC Thermistor
- Application: Automotive
- Certifications: ISO9001:2008, ISO/TS16949:2009, ISO14001:2004, RoHS, CQC, Jiangsu High-tech Product, UL 1434 (File # E240991)
- Origin: Nanjing, China
Technical Specifications
| Item | Symbol | Test Condition | Unit | Performance Requirement |
|---|---|---|---|---|
| Zero-power resistance at 25 | R25 | Ta=250.05, Test Power 0.1mW | K | 10K1% |
| B Value | B25/85 | B=[(TaTb)/(Tb-Ta)]ln(Ra/Rb), Tb=850.05 | K | 34351% |
| Dissipation Factor | Still air | mW/ | 2 | |
| Time Constant | Still air | sec | 20 | |
| Withstand Voltage | / | 1500V/AC, 1min | / | No breakdown or arcing |
| Insulation Resistance | / | 500V/DC, 1min | M | 500 |
| Operating Temperature Range | / | / | -45 ~ 250 | |
| Maximum Rated Power | Pmax | / | mW | 50 |
| Lead Strength | / | Pull force: 101 N, Time: 101 sec | / | No visible damage, R25 R/R2% |
| Solderability | / | Temperature 2455, Time 2-3 sec | / | Tinning area 95% |
| Resistance to Soldering Heat | / | Tin pot temperature: 2605, immersion depth 6mm from body, Time 51 sec | / | R25 R/R2% |
| Steady State Damp Heat | / | Temperature: 402, Humidity: 932%, Time: 500 hours | / | R25 R/R2% |
| Thermal Shock | / | -45 30min 25 5min 250 30min 25 5min, repeated 5 times | / | R25 R/R2% |
| High Temperature Storage | / | Temperature: 2505, Time: 1000 hours | / | R25 R/R2% |
| Low Temperature Storage | / | Temperature: -455, Time: 1000 hours | / | R25 R/R2% |
Product Model Description
MF58-103F3435
- MF58: Glass Encapsulated Temperature Sensing NTC Thermistor
- 103: Zero-power resistance at 25 is 10K
- F: Resistance Tolerance Code (F-1%, G-2%, H-3%, J-5%)
- 3435: B25/85 Value is 3435K
Usage Precautions
- Purpose: Temperature measurement and control.
- Avoid self-heating due to current flow causing measurement errors.
- When soldering with a soldering iron, the welding point should be at least 2mm away from the glass shell. Soldering temperature should be below 360, and soldering time should be less than 3 seconds.
- If lead wires are bent, the bending point should be more than 2mm away from the glass shell to prevent damage.
- Storage Temperature: -1040.
- Storage Humidity: 75% RH.
- Avoid storage in environments with corrosive gases and direct sunlight.
- Reseal packaging after opening for storage.
1810161329_Nanjing-Shiheng-Elec-MF58-103F3435_C123387.pdf
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