Guangdong Uchi Electronics Co.,Ltd
Guangdong Uchi Electronics Co.,Ltd Manufactuer of Varistor, Thermistor, Capacitor,Fuse & Resistor since 2006 !
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CQC UL CUL MF58 Withstand High Temperature 250Degree Glass Shell Precision Diode NTC Thermistor
R25(Ω):0.1K～1000K
Use:Temperature control and examination of household electrical appliance
PDF Specification Download Link : MF58 Glass Shell Precision NTC Thermistor.pdf
General
Glass Shell Precision NTC Thermistors The MF58 is a NTC thermistor which is manufactured using a combination of ceramic and semiconductor techniques. It is equipped with tinned axial leads and then wrapped with purified glass.
Features
Good stability and repeatability
High reliability
Wide range of resistance: 0.1~1000KOhm
Tight tolerance on resistance and Beta values
Usable in high-temperature and high-moisture environments
Small, light, strong package,
Suitable for automatic insertion on thru-hole PCBs
Rapid response
High sensitivity
Application
Household Appliances
Office Equipment
Industrial
Liquid Level Detection
Mobile Phone Battery
Integrated Circuits
Dimension (mm)
Specifications
| Zero power resistance range (R25) | 0.1~3780KΩ |
| Available tolerances of R25 | F= ±1% G= ±2% H= ±3% J= ±5% K= ±10% |
| B value (B25/50°C) range | 3100~4500K |
| Available tolerances of B value | ±0.5%, ±1%, ±2% |
| Dissipation factor | ≥2mW/°C (In Still Air) |
| Thermal time constant | ≤20S (In Still Air) |
| Operating temperature range | -55°C ~ +250°C |
| Rated Power | ≤50mW |
Related product
Workshop of high quality and high performance NTC Thermistor
We have the unique process and leader core technology with proprietary intellectual property rights of ceramic powder equipment,made of chips,high performance NTC Automatic batch production.
We have more than 12 series of high performance NTC thermistors automatic production line,products have the advantages of large production,high quality,good coherence,high reliability,besides it can be made of many kinds of NTC temperature sensors,it also can be supplied to other factories of NTC sensors,and exported in large quantities to overseas.
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Reliability Test
| Test Item | Test Standard | Test method | Performance requirements |
| Zero Power Resistance | IEC 60539-1 | Immerse samples in the constant temperature bath at 25℃±0.005℃,test steady resistance | Resistance tol ±1%
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| B value | IEC60539-1 | Immerse samples in the constant temperature bath at 25℃,50℃(or 85℃), test steady resistance,and calculate B value | Resistance tol ±1%
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| Free fall | IEC60068-2-32
| Fall height: 1.5±0.1m,Surface: Cement , 1 time | No obvious damage, R25 △R/R≤±1%
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| Insulation | IEC60539-1
| 500V pressure on insulation shell test insulation resistance | >500MOhm
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| Withstand voltage | IEC60539-1 | Withstand voltage: 1500V/AC ,Leakage current:2mA Lasting: 60sec
| No obvious damage
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| Tension | IEC60068-2-21 | Pull uniform speed at the end, F>4.0KG(requested by customer)
| No obvious damage, R25 △R/R≤±1%
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| Vibration | Q/HBm 108-94 | Test frequency: 10~500Hz,swing: 1.2mm acceleration: 30m/s2 Direction X,Y,Z Time:8Hour/direction | No obvious damage, R25 △R/R≤±1%
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| Steady humidity and heat | IEC60068-2-78 | Temp:40±2℃ Humidity:92-95%RH Time:1000±24Hour | No obvious damage, R25 △R/R≤±1%
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| Thermal time constant | EC60539-1 | Immerse in 25℃ water,after thermal balance,immerse in 85℃,resistance arrives 63.2%,calculate total time | <10 sec
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| High temperature storage | IEC60068-2-2 | Temp:125℃±5℃ Time: 1000±24Hour | No obvious damage, R25 △R/R≤±1% |
| Cold and thermal shock | IEC60068-2-14 | -40℃~+125℃ T1:30min Cycle time:1000
| No obvious damage, R25 △R/R≤±1%
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| Knock experiment | IEC60068-2-77 | Acceleration:250m/s2 Pulse lasting: 6ms Knock times: 1000 Recovery time: 2 Hour
| No obvious damage, R25 △R/R≤±1%
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| Low temperature storage | IEC60068-2-1 | Temp: 40±2℃ Time: 1000±24Hour
| No obvious damage, R25 △R/R≤±1%
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| Salt spray | IEC60068-2-11 | Temp: 35±2℃ Collection hour : 1.0mL~2.0mL Time: determine per as actual demand | No obvious damage, R25 △R/R≤±1%
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