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Shenzhen Minchuang Electronics Co., Ltd
Diode glass sealed NTC thermistor
NegotiableUpdate on 10/27
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Overview
The MF58 series mainly adopts glass packaging and is divided into two main products. This is an axial glass packaged diode type NTC thermistor, and there is also an MF58D single ended radial glass packaged NTC. MF58 has a similar appearance to diode D035, with axial tin plated (copper-clad nickel)
Product Details
| Model: |
MF58E- 100KF3950
|
| Type: |
thermistor
|
| technology |
metal oxide
|
| Resistance value: |
100K ohms
|
| Accuracy: |
+/- 1％
|
| Rated power |
≤25mw
|
| Temperature coefficient: |
Negative Temperature Coefficient
|
| Operating Temperature |
-25~ + 300C
|
| Part number: | MF58E- 100KF3950 |
| 25 degree resistance: |
100K +/-1%.
|
| Beta value 25/85C: |
3950K +/- 1％
|
| Time constant: |
≤ 5 seconds
|
| Encapsulation: |
Glass encapsulation
|
| Insulation resistance |
≥100Mohm
|
| Maximum rated power: |
≤25mW
|
Product description
The MF58 series mainly adopts glass packaging and is divided into two main products. This is an axial glass packaged diode type NTC thermistor, and there is also an MF58D single ended radial glass packaged NTC. MF58 has a similar appearance to diode D035, with axially tinned (copper-clad nickel iron) wires. Widely used in temperature measurement, detection, indication, monitoring, measurement, control, calibration, and compensation.
Characteristics of MF58 diode glass sealed NTC thermistor1. The glass DO35 package provides airtight sealing and voltage insulation, and can work in high temperature environments.
2. Small in size, sturdy, and easy to install automatically.
3. Fast sensing, high sensitivity.
4. The working temperature ranges from -45 ℃ to+250 ℃.
5. The rated resistance at 25 ℃ can be 2k Ω -138800 Ω.
6. Typical resistances are 2k ohms, 5k ohms, 10k ohms, 20k ohms, 47k ohms, 50k ohms, 100k ohms, 200k ohms, 500k ohms at 25 ℃,1388 Ten thousand ohms, etcStrict tolerances for resistance and beta values.
7. Loss factor: ≥ 2.0mW/C in still air.
8. Thermal time constant: ≤ 12 seconds in still air.
MF58 diode glass sealed NTC thermistor features Application range:
1. In the field of home electronic temperature measurement, detection, and control, such as air conditioning, microwave ovens, electric fans, electric heaters, rice cookers, induction cookers, hair dryers, etc.
2. Automated officeEquipment'sTemperature detection and compensation, such as copiers and printers.
3. In heating and air conditioning (HVAC), room temperature monitoring is performed in heating cost distributors, in underfloor heating and gas boilers to determine exhaust gas or burner temperature, and in outdoor temperature sensors.
4. Industrial electronic applications: used for temperature stabilization of laser diodes and optoelectronic components, temperature compensation of copper coils or reference point compensation of thermocouple components, etc. In addition, for instruments, temperature measurement and compensation of instruments,Integrated circuits, quartz crystal oscillators, and thermocouples.
5. Telecommunications industry applications: used for temperature measurement, compensation, control, and protection of mobile phones, battery packs, and battery chargers.
6. Glass encapsulated NTC thermistors can also be used for temperature measurement, monitoring, detection and control in medical equipment, food processing equipment, climate, etc
MF58 diode glass sealed NTC thermistor size diagram
MF58 Axial Glass Encapsulated NTC Thermistor Data Sheet
| Part Number | Resistance @ 25 ℃ | B value | special temperature |
| R25 (K ohms) | （K） | Point resistance | |
| Data (ohms) | |||
| MF58-202 □3839 （B5 / 25） | R25:2K ohms | B（5/25℃）：3839K | R5: 5.06K ohms |
| MF58-502 □3470 | R25: 5K ohms | B（25/50℃）：3470K | |
| MF58-502 □3950 | R25: 5K ohms | B（25/50℃）：3950K | |
| MF58-103 □3380 | R25:10K ohms | B（25/50℃）：3380K | |
| MF58-103 □3435 （B25 / 85） | R25:10K ohms | B（25/85℃）：3435K | |
| MF58-103 □3470 | R25:10K ohms | B（25/50℃）：3470K | |
| MF58-103 □3600 | R25:10K ohms | B（25/50℃）：3600K | |
| MF58-103 □3700 | R25:10K ohms | B（25/50℃）：3700K | |
| MF58-103 □3950 | R25:10K ohms | B（25/50℃）：3950K | |
| MF58-103 □4100 | R25:10K ohms | B（25/50℃）：4100K | |
| MF58-203 □3950 | R25:20K ohms | B（25/50℃）：3950K | |
| MF58-233 □4200 | R25:23K ohms | B（25/50℃）：4200K | |
| MF58-303 □3950 | R25:30K ohms | B（25/50℃）：3950K | |
| MF58-473 □3950 | R25:4 7k ohms | B（25/50℃）：3950K | |
| MF58-503 □3950 | R25: 50K ohms | B（25/50℃）：3950K | |
| MF58-503 □4050 | R25: 50K ohms | B（25/50℃）：4050K | |
| MF58-104 □3899 | R25:100K ohms | B（25/50℃）：3899K | |
| MF58-104 □3930 | R25:100K ohms | B（25/50℃）：3930K | |
| MF58-104 □3950 | R25:100K ohms | B（25/50℃）：3950K | |
| MF58-104 □3990 | R25:100K ohms | B（25/50℃）：3990K | |
| MF58-104 □4200 | R25:100K ohms | B（25/50℃）：4200K | |
| MF58-204 □3899 | R25:200K ohms | B（25/50℃）：3899K | R160: 3.0K ohms |
| MF58-204 □4200 | R25:200K ohms | B（25/50℃）：4200K | |
| MF58-204 □4260 | R25:200K ohms | B（25/50℃）：4260K | |
| MF58-504 □4050 | R25: 500K ohms | B（25/50℃）：4050K | |
| MF58-504 □4260 | R25: 500K ohms | B（25/50℃）：4260K | |
| MF58-1.388M □4500 | R25:1388K ohms | B（25/50℃）：4500K | R200:4.0K ohms |
MF58NTC Thermistor Reliability Data
| test | standard | test conditions | Δ R25/R25 (typical value) | Remarks |
| Low-temperature storage | IEC 60068-2-1 | Storage in low temperature category Temperature: -30OhC， Time: Thousand hours | ≤2％ | No obvious damage |
| Stored in dry heat | IEC 60068-2-2 | Stored in upper limit category temperature: 200OhC， Time: Thousand hours | ≤2％ | No obvious damage |
| Stored in damp heat, steady state (humidity test) | IEC 60068-2-3 | Temperature: 40Diameter:C， | ≤2％ | No obvious damage |
| Humidity: 90% -95% RH, | ||||
| Time: 1000 hours | ||||
| temperature cycling | IEC 60068-2-14 | 1.30 ℃/30 minutes | ≤2％ | No obvious damage |
| 2.80 ℃/5 minutes 3.20 | ||||
| ℃/30 minutes | ||||
| 4.80 ℃/5 minutes. | ||||
| Cycle times: 5 cycles |
MF58 diode glass sealed NTC thermistor mechanical testing
| test | standard | Testing conditions and methods | requirement |
| Welding and weldability | IEC60068-2-20 | Temperature: 230 ± 5 ℃, | The terminal should be evenly tinned |
| test | 2-2.5mm away from the ceramic body, open: 2 ± 0.5 seconds. | ||
| Resistance to welding heat | IEC60068-2-20 | Temperature: 260 ± 5 ℃, | No obvious damage, |
| Test Tb | 2-2.5mm away from the ceramic body, opening: 10 ± 1 second. | ΔR25/R25≤2% | |
| Lead stretching | IEC60068-2-21 | Test Ua: Forced 10N, 10S; | Without interruption, |
| Test U | Test Ub: Bend 90C, apply 5N force, twice. | ΔR25/R25≤2% |
Precautions for MF58 diode glass sealed NTC thermistor
·The minimum wire length should be ≥ 8mm·When bending the wire, the distance between the bending point and the glass body should be greater than 2mm.
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