Changsha Purple Horn E-Commerce Co., Ltd.
| Resistance @ 25℃ | 22Ω |
| Power(Watts) | 2W |
| Pitch | 7.5mm |
| Operating Temperature | -40℃~+170℃ |
| Tolerance | ±20% |
| B Constant (25℃/100℃) | - |
| Steady State Current (Max) | 1A |
| Thermal Time Constant | 30s |
| B Constant (25℃/85℃) | - |
| B Constant (25℃/75℃) | - |
| B Constant (25℃/50℃) | 3000K |
| B Constant Tolerance | ±10% |
| Description | NTC Thermistor 22Ω Through Hole,P=7.5mm |
| Mfr. Part # | MF72 22D9 |
| Package | Through Hole,P=7.5mm |
| Model Number | MF72 22D9 |
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Product Specification
| Resistance @ 25℃ | 22Ω | Power(Watts) | 2W |
| Pitch | 7.5mm | Operating Temperature | -40℃~+170℃ |
| Tolerance | ±20% | B Constant (25℃/100℃) | - |
| Steady State Current (Max) | 1A | Thermal Time Constant | 30s |
| B Constant (25℃/85℃) | - | B Constant (25℃/75℃) | - |
| B Constant (25℃/50℃) | 3000K | B Constant Tolerance | ±10% |
| Description | NTC Thermistor 22Ω Through Hole,P=7.5mm | Mfr. Part # | MF72 22D9 |
| Package | Through Hole,P=7.5mm | Model Number | MF72 22D9 |
The MF72 Power Type NTC Thermistor, manufactured by Nanjing Shiheng Electronics Technology Co., Ltd., is designed for surge current suppression. It features a zero-power resistance of 22 at 25 with a B value of 3000K. This component operates within a temperature range of -40 to 170 and supports a maximum allowable capacitance of 240Vac/150F. It is constructed with a black epoxy resin encapsulation and tin-plated copper leads.
| Item | Symbol | Test Conditions | Unit | Performance Requirement |
|---|---|---|---|---|
| Zero-power resistance at 25 | R25 | Ta=250.5, Test Power 0.1mW, Tested in air | 2220% | |
| B Value | B25/50 | B=[(TaTb)/(Tb-Ta)]ln(Ra/Rb) | K | 300010% |
| Maximum Steady Current | I max | - | A | 1 |
| Maximum Allowable Capacitance | CT | 240Vac | F | 150 |
| Dissipation Factor | - | mW/ | 11 | |
| Thermal Time Constant | - | sec | 30 | |
| Withstand Voltage | - | 500V/AC, 1min | - | No breakdown or arcing |
| Insulation Resistance | - | 500V/DC, 1min | M | 500 |
| Operating Temperature Range | - | - | -40 ~ 170 | |
| Maximum Rated Power | Pmax | - | W | 2 |
| Lead Strength | - | Tension: 10s, 10N (0.5| - | No visible damage, R/R25% | |
| Solderability | - | 2455, 2-3s | - | 95% tinning area |
| Resistance to Soldering Heat | - | 2605, 6mm from body, 101s | - | R/R25% |
| Steady State Damp Heat | - | 402, 93%2% RH, 1000 hours | - | R/R25% |
| Rapid Temperature Change | - | 5 cycles (-40 30min25 5min170 30min25 5min) | - | R/R25% |
| High Temperature Storage | - | 1705, 1000 hours | - | R/R25% |
| Maximum Steady Current Endurance | - | Continuous application of max steady current at room temp, 100024h | - | R/R25% |
| Maximum Capacitance Endurance | - | 1000 cycles (50ms on, 5x thermal time constant off) | - | R/R25% |
| Model: MF72-22D9 | Body Diameter (D9) | Max: 11.0 mm | mm | - |
| Length (L1) | Min: 17 mm | mm | - | |
| Lead Spacing (F1) | 7.51 mm | mm | - | |
| Lead Length (L2) | 82 mm | mm | - | |
| Lead Diameter (d) | 0.80.05 mm | mm | - | |
| Max Width (T) | Max: 5.5 mm | mm | - |
Company Details
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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