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Zero Power Resistance at 25℃(R25) 5Ω Power Thermistor for Limiting Inrush Current Ф9mm NTC
DATASHEET: MF72-SCN5D-9_v2105.1.pdf
Introduction:
NTCs are devices whose resistance decreases exponentially with increasing temperature, suppressing inrush currents at the moment the power supply is closed.
| Part Number | Resistance at 25℃ ±20% | Max. Permissible Working Current | Resistance under Load (mΩ) | Dissipation Factor | Thermal Time Constant | Maximum permissible capacitance @240Vac |
| R25(Ω) | Imax(A) | (mΩ) | δ(mW/℃) | τ(Sec.) | C(uF) | |
| MF72-SCN5D-9 | 5 | 3 | 210 | 11 | 34 | 110 |
Features:
Circuit Board components protection .
Applications:
Switching power supplies, adapters, PD fast chargers,electronic motors, etc. |
| Part Number | Type of L | Quantity (pcs/bag) |
| MF72-SCN5D-9 | Lshort | 1000 |
| Llong | 500 |
| Item | Test conditions / Methods | Test Result |
Tensile Strength of Terminals | Fasten body with a Load Applied to each lead 3.0Kg for 1sec. | No break out and damage |
Bending Strength of Terminals | Fixed body hand 1.0kg on one terminal bend 90 then back again oppsite. | No break out and damage |
| Solder Ability | When the Lead wire was dipped into bath 0f 235 ± 5 ℃ for 3 seconds after immersion in 25% rosin flux the solder ability ratio of lead wire surface should more than 95%. | More than 95% solder ability |
| Temp. Cycle Test | (-40℃×→+25℃×3min) × 5Cycles (-85℃×→+25℃×3min) × 5Cycles | ∣ΔR/R∣≤ ±20 % |
| Humidity Test | 45℃ 95%RH×1000 hours | ∣ΔR/R∣≤ ±20 % |
| Load Life | 6 AMP×1000 hours | ∣ΔR/R∣≤ ±20 % |
| Insulation Test | DC 700V | R≥500MΩ |
Circuit Slection method
1: DC 1.2-1.5 times greater than working voltage
2: AC 1.5-2 times greater than working voltage
