Dongguan Ampfort Electronics Co., Ltd.
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Power NTC Thermistor MF71-5D-30MSH MF72 5D-30 MF11 MF12 MF52 MF51 MF57 MF58 MF59 MFB Inrush Current Limiters ICLs
NTC thermostat is a kind of resistor with negative temperature coefficient. It's resistance decreases with the temperature rising.According to its different uses,the thermostats may be packaged in various forms with different performances.
Series MF71 products are applied to restrain surge current and protect overvoltage in Various power supplies IC, electric circuit.
TECHNICAL SPECICATIONS
| Type | Zero-power Resistance (Ω)±20% | B constant (K)±10% | Maximum Static current lmax(A) | Experimental Capacitance (U F)(240V) | Power Rating(W) | Dissipation factor (mw/℃) | Thermal Time Constant (s) | Operation temperature (℃) |
| MF71-5D-5 | 5 | 2500 | 2 | 100 | 1.8 | About15 | About17 | -40~+150 |
| MF71-8D-5 | 8 | 2500 | 1 | 68 | ||||
| MF71-10D-5 | 10 | 2500 | 1 | 100 | ||||
| MF71-12D-5 | 12 | 2500 | 1 | 68 | ||||
| MF71-15D-5 | 15 | 2550 | 0.5 | 100 | ||||
| MF71-20D-5 | 20 | 2550 | 0.4 | 100 | ||||
| MF71-3D-8 | 3 | 2600 | 3 | 220 | 2.3 | About16 | About38 | -40~+170 |
| MF71-4D-8 | 4 | 2600 | 3 | 220 | ||||
| MF71-4.7D-8 | 4.7 | 2600 | 3 | 220 | ||||
| MF71-5D-8 | 5 | 2600 | 3 | 220 | ||||
| MF71-6D-8 | 6 | 2600 | 3 | 220 | ||||
| MF71-7D-8 | 7 | 2600 | 3 | 220 | ||||
| MF71-8D-8 | 8 | 2600 | 3 | 220 | ||||
| MF71-10D-8 | 10 | 2650 | 2 | 220 | ||||
| MF71-12D-8 | 12 | 2650 | 2 | 100 | ||||
| MF71-15D-8 | 15 | 2650 | 2 | 100 | ||||
| MF71-20D-8 | 20 | 2700 | 1 | 100 | ||||
| MF71-30D-8 | 30 | 2700 | 0.5 | 100 | ||||
| MF71-1D-10 | 1 | 2650 | 5 | 470 |
2.4 | About17 | About43 | |
| MF71-1.3D-10 | 1.3 | 2650 | 5 | 330 | ||||
| MF71-1.5D-10 | 1.5 | 2650 | 5 | 330 | ||||
| MF71-2.5D-10 | 2.5 | 2700 | 5 | 470 | ||||
| MF71-3D-10 | 3 | 2700 | 5 | 560 | ||||
| MF71-4D-10 | 4 | 2700 | 4 | 560 | ||||
| MF71-4.7D-10 | 4.7 | 2700 | 4 | 470 | ||||
| MF71-5D-10 | 5 | 2750 | 4 | 330 | ||||
| MF71-6.8-10 | 6.8 | 2750 | 3 | 330 | ||||
| MF71-8D-10 | 8 | 2750 | 3 | 330 | ||||
| MF71-10D-10 | 10 | 2750 | 3 | 330 | ||||
| MF71-12D-10 | 12 | 2800 | 3 | 220 | ||||
| MF71-13D-10 | 13 | 2800 | 3 | 330 | ||||
| MF71-15D-10 | 15 | 2800 | 2.5 | 330 | ||||
| MF71-16D-10 | 16 | 2800 | 2.5 | 220 | ||||
| MF71-20D-10 | 20 | 2850 | 2 | 200 | ||||
| MF71-22D-10 | 22 | 2850 | 2 | 330 | ||||
| MF71-25D-10 | 25 | 2850 | 2 | 470 | ||||
| MF71-30D-10 | 30 | 2900 | 2 | 560 | ||||
| MF71-47D-10 | 47 | 2900 | 2 | 560 | ||||
| MF71-50D-10 | 50 | 2900 | 2 | 470 | ||||
| MF71-80D-10 | 80 | 2950 | 1 | 330 | ||||
| MF71-100D-10 | 100 | 2950 | 1 | 220 | ||||
| MF71-120D-10 | 120 | 2950 | 1 | 220 | ||||
| MF71-1D-13 | 1 | 2800 | 3 | 560 | 3.1 | About18 | About66 | -40~+200 |
| MF71-1.3D-13 | 1.3 | 2800 | 7 | 470 | 3.1 | |||
| MF71-2.5D-13 | 2.5 | 2800 | 6 | 470 | 3.1 | |||
| MF71-4D-13 | 4 | 2850 | 5 | 560 | 3.1 | |||
| MF71-4.7-13 | 4.7 | 2850 | 5 | 560 | 3.1 | |||
| MF71-5D-13 | 5 | 2850 | 5 | 560 | 3.1 | |||
| MF71-7D-13 | 7 | 2850 | 4 | 470 | 3.1 | |||
| MF71-8D-13 | 8 | 2900 | 4 | 470 | 3.1 | |||
| MF71-10D-13 | 10 | 2900 | 4 | 470 | 3.1 | |||
| MF71-12D-13 | 12 | 2900 | 4 | 470 | 3.1 | |||
| MF71-15D-13 | 15 | 1950 | 3 | 560 | 3.1 | |||
| MF71-16D-13 | 16 | 2950 | 3 | 560 | 3.1 | |||
| MF71-18D-13 | 18 | 2950 | 3 | 470 | 3.1 | |||
| MF71-20D-13 | 20 | 2950 | 3 | 470 | 3.1 | |||
| MF71-0.7D-15 | 0.7 | 2800 | 8 | 680 | 3.6 | About21 | About75 | |
| MF71-1D-15 | 1 | 2800 | 8 | 680 | 3.6 | |||
| MF71-1.3D-15 | 1.3 | 2800 | 8 | 820 | 3.6 | |||
| MF71-1.5D-15 | 1.5 | 2800 | 8 | 680 | 3.6 | |||
| MF71-2D-15 | 2 | 2800 | 8 | 820 | 3.6 | |||
| MF71-2.5D-15 | 2.5 | 2850 | 8 | 820 | 3.6 | |||
| MF71-3D-15 | 3 | 2850 | 7 | 820 | 3.6 | |||
| MF71-4D-15 | 4 | 2850 | 6 | 680 | 3.6 | |||
| MF71-5D-15 | 5 | 2850 | 6 | 820 | 3.6 | |||
| MF71-6D-15 | 6 | 2900 | 5 | 682 | 3.6 | |||
| MF71-7D-15 | 7 | 2900 | 5 | 820 | 3.6 | |||
| MF71-8D-15 | 8 | 2900 | 5 | 820 | 3.6 | |||
| MF71-10D-15 | 10 | 2950 | 5 | 680 | 3.6 | |||
| MF71-12D-15 | 12 | 2950 | 5 | 680 | 3.6 | |||
| MF71-15D-15 | 15 | 3000 | 4 | 680 | 3.6 | |||
| MF71-16D-15 | 16 | 3000 | 4 | 820 | 3.6 | |||
| MF71-18D-15 | 18 | 3000 | 4 | 680 | 3.6 | |||
| MF71-20D-15 | 20 | 3000 | 4 | 820 | 3.6 | |||
| MF71-22D-15 | 22 | 3050 | 4 | 820 | 3.6 | |||
| MF71-25D-15 | 25 | 3050 | 3 | 820 | 3.6 | |||
| MF71-30D-15 | 30 | 3050 | 3 | 680 | 3.6 | |||
| MF71-33D-15 | 33 | 3100 | 3 | 820 | 3.6 | |||
| MF71-40D-15 | 40 | 3100 | 3 | 680 | 3.6 | |||
| MF71-47D-15 | 47 | 3100 | 3 | 820 | 3.6 | About28 | ||
| MF71-0.7D-20 | 0.7 | 2900 | 15 | 1000 | 4.9 | About113 | ||
| MF71-1D-20 | 1 | 2900 | 13 | 4.9 | ||||
| MF71-1.5D-20 | 1.5 | 2900 | 10.5 | 4.9 | ||||
| MF71-2D-20 | 2 | 2900 | 10 | 4.9 | ||||
| MF71-2.5D-20 | 2.5 | 2950 | 9 | 4.9 | ||||
| MF71-3D-20 | 3 | 2950 | 8 | 4.9 | ||||
| MF71-4D-20 | 4 | 2950 | 8 | 4.9 | ||||
| MF71-4.7D-20 | 4.7 | 2950 | 7.5 | 4.9 | ||||
| MF71-5D-20 | 5 | 2950 | 7 | 4.9 | ||||
| MF71-6D-20 | 6 | 3000 | 7 | 4.9 | ||||
| MF71-6.8D-20 | 6.8 | 3000 | 6.5 | 4.9 | ||||
| MF71-7D-20 | 7 | 3000 | 6.5 | 4.9 | ||||
| MF71-8D-20 | 8 | 3000 | 6 | 4.9 | ||||
| MF71-10D-20 | 10 | 3100 | 5 | 4.9 | ||||
| MF71-12D-20 | 12 | 3100 | 5 | 4.9 | ||||
| MF71-13D-20 | 13 | 3100 | 5 | 4.9 | ||||
| MF71-15D-20 | 15 | 3100 | 4.5 | 4.9 | ||||
| MF71-16D-20 | 16 | 3150 | 4.5 | 4.9 | ||||
| MF71-18D-20 | 18 | 3150 | 4 | 4.9 | ||||
| MF71-20D-20 | 20 | 3150 | 4 | 4.9 | ||||
| Mf71-0.7D-25 | 0.7 | 2950 | 20 | 1200 | 7.0 | About30 | About130
| |
| MF71-1D-25 | 1 | 2950 | 20 | 7.0 | ||||
| MF71-1.5D-25 | 1.5 | 2950 | 18.5 | 7.0 | ||||
| MF71-2.5D-25 | 2.5 | 3000 | 15 | 7.0 | ||||
| MF71-3D-25 | 3 | 3000 | 14.5 | 7.0 | ||||
| MF71-4D-25 | 4 | 3000 | 14 | 7.0 | ||||
| MF71-5D-25 | 5 | 3000 | 12 | 7.0 | ||||
| MF71-6D-25 | 6 | 3150 | 11 | 7.0 | ||||
| MF71-8D-25 | 8 | 3150 | 9 | 7.0 | ||||
| MF71-10D-25 | 10 | 3150 | 8 | 7.0 | ||||
| MF71-12D-25 | 12 | 3200 | 7.5 | 7.0 | ||||
| MF71-15D-25 | 15 | 3200 | 6.5 | 7.0 | ||||
| MF71-20D-25 | 20 | 3200 | 5 | 7.0 | ||||
| MF71-0.5D-30 | 0.5 | 3000 | 30 | 1500 | 8.0 | About40 | About190 | |
| MF71-1D-30 | 1 | 3000 | 30 | 8.0 | ||||
| MF71-1.5D-30 | 1.5 | 3000 | 25 | 8.0 | ||||
| MF71-2.5D-30 | 2.5 | 3150 | 18 | 8.0 | ||||
| MF71-3D-30 | 3 | 3150 | 17 | 8.0 | ||||
| MF71-4D-30 | 4 | 3150 | 16 | 8.0 | ||||
| MF71-5D-30 | 5 | 3150 | 14 | 8.0 | ||||
| MF71-6D-30 | 6 | 3200 | 12 | 8.0 | ||||
| MF71-8D-30 | 8 | 3200 | 10.5 | 8.0 | ||||
| MF71-10D-30 | 10 | 3200 | 10 | 8.0 | ||||
| MF71-15D-30 | 15 | 3250 | 8 | 8.0 | ||||
| MF71-20D-30 | 20 | 3250 | 6 | 8.0 |