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Specifications
Resistance @ 25℃:
10Ω
Power(Watts):
8W
Pitch:
18mm
Operating Temperature:
-40℃~+200℃
Tolerance:
±20%
B Constant (25℃/100℃):
-
Steady State Current (Max):
13A
B Constant (25℃/85℃):
-
B Constant (25℃/75℃):
-
B Constant (25℃/50℃):
3200K
B Constant Tolerance:
±10%
Mfr. Part #:
MF73T-1 10/13
Package:
Through Hole,P=18mm
Key Attributes
Model Number:
MF73T-1 10/13
Product Description
Product Overview
The MF73T-1 is a high-power NTC thermistor manufactured by Nanjing Shiheng Electronics Technology Co., Ltd. Designed to suppress inrush current, this thermistor offers reliable performance across a wide operating temperature range and is suitable for various industrial applications. Key features include a 25 zero-power resistance of 10 and a maximum steady-state current of 13A.
Product Attributes
- Brand: Shiheng
- Product Name: High-Power NTC Thermistor
- Model Series: MF73T-1
- Encapsulation Material: Black epoxy resin
- Lead Wire Material: Tinned copper wire
- Origin: Nanjing, China
- Certifications: ISO9001:2008, ISO/TS16949:2009, ISO14001:2004, RoHS, CQC Safety Certification, TUV Certification, Jiangsu High-tech Product Certification.
Technical Specifications
| Item | Symbol | Test Conditions | Unit | Performance Requirement |
|---|---|---|---|---|
| 1. Electrical Characteristics | ||||
| Zero-power resistance at 25 | R25 | Ta=250.5, Test Power 0.1mW, in air | 10 20% | |
| B value | B25/50 | B=[(TaTb)/(Tb-Ta)]ln(Ra/Rb) | K | 3200 10% |
| Max. steady-state current | I max | A | 13 | |
| Max. allowable capacitance | CT | 240Vac | F | 1500 |
| Dissipation factor | mW/ | Approx. 40 | ||
| Thermal time constant | sec | Approx. 190 | ||
| Withstand voltage | 500V/AC, 1min | No breakdown or arcing | ||
| Insulation resistance | 500V/DC, 1min | M | 500 | |
| Operating temperature range | -40 ~ 200 | |||
| Max. rated power | Pmax | W | 8 | |
| 2. Reliability | ||||
| Lead strength | Tensile force: 101 sec (for 0.5| | No visible damage, R/R25% | | |
| Solderability | Temperature 2455, time 2-3 sec | 95% tinned area | ||
| Resistance to soldering heat | Solder pot temperature: 2605, immersion depth 6mm from the body, time 101 sec | R/R25% | ||
| Steady damp heat | Temperature: 402, Humidity: 932%, Time: 1000 hours | R/R25% | ||
| Rapid temperature change | -40 30min 25 5min 200 30min 25 5min, 5 cycles | R/R25% | ||
| High temperature storage | Temperature: 2005, Time: 1000 hours | R/R25% | ||
| Max. steady-state current endurance | Continuous application of max. steady-state current at room temperature, 100024h | R/R25% | ||
| Max. allowable capacitance endurance | Apply max. allowable capacitance, intermittently close 50ms, open for 5 times thermal time constant per cycle, apply 1000 cycles. | R/R25% | ||
| 3. Usage Precautions | ||||
| Purpose: Inrush current suppression. | ||||
| When soldering with a soldering iron, the welding point should be at least 2mm away from the coating layer. Welding temperature should be below 360 and welding time less than 3 seconds. | ||||
| Storage Temperature: -1040; Storage Humidity: 75% RH. | ||||
| Avoid storage in environments with corrosive gases and direct sunlight. | ||||
| After opening the package, reseal for storage. | ||||
| Storage Period: 1 year. | ||||
| 5. Outline Dimensions (Unit: mm) | ||||
| D | L | F | T | d |
| Max 36 | Min 25 | 18.01.5 | Max 10 | 1.60.05 |
| 6. Product Model Description | ||||
MF73T-1-10/13
| ||||
1810161311_Nanjing-Shiheng-Elec-MF73T-1-10-13_C123344.pdf
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