深圳市久晟电子有限公司
产品简介
MF72功率型NTC热敏电阻器是以过渡金属氧化物为主要原料制成的半导体陶瓷元件。属于负温度系数热敏电阻器的范畴。为了避免电子电路中在开机的瞬间产生的浪涌电流，在电源电路中串接一个功率型NTC热敏电阻器，能有效地抑制开机时的浪涌电流，并且在完成抑制浪涌电流作用以后，由于通过其电流的持续作用，功率型NTC热敏电阻器的电阻值将下降到非常小的程度，它消耗的功率可以忽略不计，电压几乎均加到后面设备从而保证线路的正常工作，所以，在电源回路中使用功率型NTC热敏电阻器，是抑制开机浪涌保护电子设备免遭破坏的最为简便而有效的措施。
应用范围
适用于转换电源、开关电源、UPS电源、各类电加热器、电子镇流器、各种电子装置电源电路的保护以及各类显像管、显示器、白炽灯及其它照明灯具的灯丝保护。
特点
1. 体积小，功率大，抑制浪涌电流能力强。
2. 反应速度快。
3. 材料常数（B值）大，残余电阻小。
4. 寿命长，可靠性高。
5. 系列全，工作范围宽。 .
|
型号 |
额定阻值(Ω) |
最大稳态电流(A) |
D | L | F |
Dimensions(Unit:mm) |
|
|
Dmax |
Lmin |
F±1 |
Tmax |
d |
|||
| 5D-5 | 5 | 1 | 6.5 | 25 | 5.0/2.5 | 5 | 0.55/0.45 |
| 10D-5 | 10 | 0.7 | 6.5 | 25 | 5.0/2.5 | 5 | 0.55/0.45 |
| 20D-5 | 20 | 0.5 | 6.5 | 25 | 5.0/2.5 | 5 | 0.55/0.45 |
| 5D-7 | 5 | 2 | 8.5 | 25 | 5.0 | 5 | 0.55 |
| 8D-7 | 8 | 1 | 8.5 | 25 | 5.0 | 5 | 0.55 |
| 10D-7 | 10 | 1 | 8.5 | 25 | 5.0 | 5 | 0.55 |
| 12D-7 | 12 | 1 | 8.5 | 25 | 5.0 | 5 | 0.55 |
| 16D-7 | 16 | 0.7 | 8.5 | 25 | 5.0 | 5 | 0.55 |
| 20D-7 | 20 | 0.6 | 8.5 | 25 | 5.0 | 5 | 0.55 |
| 22D-7 | 22 | 0.6 | 8.5 | 25 | 5.0 | 5 | 0.55 |
| 33D-7 | 33 | 0.5 | 8.5 | 25 | 5.0 | 5 | 0.55 |
| 3D-9 | 3 | 4 | 10.5 | 25 | 7.5/5.0 | 5.5 | 0.78/0.55 |
| 4D-9 | 4 | 4 | 10.5 | 25 | 7.5/5.0 | 5.5 | 0.78/0.55 |
| 5D-9 | 5 | 3 | 10.5 | 25 | 7.5/5.0 | 5.5 | 0.78/0.55 |
| 6D-9 | 6 | 2 | 10.5 | 25 | 7.5/5.0 | 5.5 | 0.78/0.55 |
| 8D-9 | 7 | 2 | 10.5 | 25 | 7.5/5.0 | 5.5 | 0.78/0.55 |
| 10D-9 | 10 | 2 | 10.5 | 25 | 7.5/5.0 | 5.5 | 0.78/0.55 |
| 12D-9 | 12 | 1 | 10.5 | 25 | 7.5/5.0 | 5.5 | 0.78/0.55 |
| 16D-9 | 16 | 1 | 10.5 | 25 | 7.5/5.0 | 5.5 | 0.78/0.55 |
| 20D-9 | 20 | 1 | 10.5 | 25 | 7.5/5.0 | 5.5 | 0.78/0.55 |
| 22D-9 | 22 | 1 | 10.5 | 25 | 7.5/5.0 | 5.5 | 0.78/0.55 |
| 30D-9 | 30 | 1 | 10.5 | 25 | 7.5/5.0 | 5.5 | 0.78/0.55 |
| 33D-9 | 33 | 1 | 10.5 | 25 | 7.5/5.0 | 5.5 | 0.78/0.55 |
| 50D-9 | 50 | 1 | 10.5 | 25 | 7.5/5.0 | 5.5 | 0.78/0.55 |
| 60D-9 | 60 | 0.8 | 10.5 | 25 | 7.5/5.0 | 5.5 | 0.78/0.55 |
| 2.5D-11 | 2.5 | 5 | 12.5 | 25 | 7.5/5.0 | 5.5 | 0.78 |
| 3D-11 | 3 | 5 | 12.5 | 25 | 7.5/5.0 | 5.5 | 0.78 |
| 4D-11 | 4 | 4 | 12.5 | 25 | 7.5/5.0 | 5.5 | 0.78 |
| 5D-11 | 5 | 4 | 12.5 | 25 | 7.5/5.0 | 5.5 | 0.78 |
| 6D-11 | 6 | 3 | 12.5 | 25 | 7.5/5.0 | 5.5 | 0.78 |
| 8D-11 | 8 | 3 | 12.5 | 25 | 7.5/5.0 | 5.5 | 0.78 |
| 10D-11 | 10 | 3 | 12.5 | 25 | 7.5/5.0 | 5.5 | 0.78 |
| 12D-11 | 12 | 2 | 12.5 | 25 | 7.5/5.0 | 5.5 | 0.78 |
| 16D-11 | 16 | 2 | 12.5 | 25 | 7.5/5.0 | 5.5 | 0.78 |
| 20D-11 | 20 | 2 | 12.5 | 25 | 7.5/5.0 | 5.5 | 0.78 |
| 22D-11 | 22 | 2 | 12.5 | 25 | 7.5/5.0 | 5.5 | 0.78 |
| 30D-11 | 30 | 1.5 | 12.5 | 25 | 7.5/5.0 | 5.5 | 0.78 |
| 33D-11 | 33 | 1.5 | 12.5 | 25 | 7.5/5.0 | 5.5 | 0.78 |
| 1.3D-13 | 1.3 | 7 | 14.5 | 25 | 7.5 | 6 | 0.78 |
| 1.5D-13 | 1.5 | 6 | 14.5 | 25 | 7.5 | 6 | 0.78 |
| 3D-13 | 3 | 6 | 14.5 | 25 | 7.5 | 6 | 0.78 |
| 4D-13 | 4 | 5 | 14.5 | 25 | 7.5 | 6 | 0.78 |
| 5D-13 | 5 | 5 | 14.5 | 25 | 7.5 | 6 | 0.78 |
| 6D-13 | 6 | 4 | 14.5 | 25 | 7.5 | 6 | 0.78 |
| 7D-13 | 7 | 4 | 14.5 | 25 | 7.5 | 6 | 0.78 |
| 8D-13 | 8 | 4 | 14.5 | 25 | 7.5 | 6 | 0.78 |
| 10D-13 | 10 | 4 | 14.5 | 25 | 7.5 | 6 | 0.78 |
| 12D-13 | 12 | 3 | 14.5 | 25 | 7.5 | 6 | 0.78 |
| 15D-13 | 15 | 3 | 14.5 | 25 | 7.5 | 6 | 0.78 |
| 16D-13 | 16 | 3 | 14.5 | 25 | 7.5 | 6 | 0.78 |
| 20D-13 | 20 | 3 | 14.5 | 25 | 7.5 | 6 | 0.78 |
| 30D-13 | 30 | 2.5 | 14.5 | 25 | 7.5 | 6 | 0.78 |
| 47D-13 | 47 | 2 | 14.5 | 25 | 7.5 | 6 | 0.78 |
| 1.3D-15 | 1.3 | 8 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 1.5D-15 | 1.8 | 8 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 3D-15 | 3 | 7 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 5D-15 | 5 | 6 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 6D-15 | 6 | 5 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 7D-15 | 7 | 5 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 8D-15 | 8 | 5 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 10D-15 | 10 | 5 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 12D-15 | 12 | 4 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 15D-15 | 15 | 4 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 16D-15 | 16 | 4 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 20D-15 | 20 | 4 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 30D-15 | 30 | 3 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 33D-15 | 33 | 3 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 47D-15 | 47 | 3 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 50D-15 | 50 | 3 | 16.5 | 25 | 7.5 | 6 | 0.78 |
| 0.7D-20 | 0.7 | 12 | 21.5 | 25 | 10/7.5 | 7 | 1.0 |
| 1.3D-20 | 1.3 | 9 | 21.5 | 25 | 10/7.5 | 7 | 1.0 |
| 2.2D-20 | 2.2 | 8 | 21.5 | 25 | 10/7.5 | 7 | 1.0 |
| 2.5D-20 | 2.5 | 8 | 21.5 | 25 | 10/7.5 | 7 | 1.0 |
| 3D-20 | 3 | 8 | 21.5 | 25 | 10/7.5 | 7 | 1.0 |
| 5D-20 | 5 | 7 | 21.5 | 25 | 10/7.5 | 7 | 1.0 |
| 6D-20 | 6 | 6 | 21.5 | 25 | 10/7.5 | 7 | 1.0 |
| 8D-20 | 8 | 6 | 21.5 | 25 | 10/7.5 | 7 | 1.0 |
| 10D-20 | 10 | 6 | 21.5 | 25 | 10/7.5 | 7 | 1.0 |
| 12D-20 | 12 | 5 | 21.5 | 25 | 10/7.5 | 7 | 1.0 |
| 16D-20 | 16 | 5 | 21.5 | 25 | 10/7.5 | 7 | 1.0 |
| 3D-25 | 3 | 9 | 26.5 | 25 | 10/7.5 | 7 | 1.0 |
| 5D-25 | 5 | 8 | 26.5 | 25 | 10/7.5 | 7 | 1.0 |
| 8D-25 | 8 | 7 | 26.5 | 25 | 10/7.5 | 7 | 1.0 |
| 10D-25 | 10 | 7 | 26.5 | 25 | 10/7.5 | 8 | 1.0 |