MZ21型PTC热敏电阻器
- 描述：主要用于线路（变压器、微电机、充电器、仪器仪表、家用电器、通讯电路）的过流过热保护。
无触点的电路及元件保护
自动限制过流
故障排除后自动恢复
工作时无噪音无火花
工作可靠，使用方便，寿命长
◆应用原理
主要用于线路（变压器、微电机、充电器、仪器仪表、家用电器、通讯电路）的过流过热保护。
MZ21型PTC热敏电阻器串联在负载电路中，线路出现异常时，能够自动限制过流或阻断电流，当故障排除后又恢复原态。具体动作：当电路处于正常状态时，流过PTCR的电流小于额定电流，PTCR处于常态，阻值很小，不会影响被保护元件/电路的正常工作。当电路电流大大超过额定电流时，PTCR陡然发热，阻值激增至高阻态，从而限制或阻断电流，保护电路不受损坏。电流恢复正常后，PTCR亦自动恢复至低阻态，电路恢复正常工作。
◆外形尺寸
◆产品编码方法/订货方式
① ANR- 厂家代号
② 热敏电阻器
③ 产品类别
2---过流保护类：21--包封型；22--光片型；23--塑套型
3---延时启动类：31--普通型；32--复合型（智能型）
7---彩显消磁类：71--焊接引线型；72--壳装型（单片/2脚）；73--壳装型（双片/3脚）
④热敏电阻引线形状：S--直线 ；A—轴弯 ；N—内弯 W--外弯
⑤热敏电阻芯片直径：03--3mm；04--4mm；12--12mm
⑥材料居里温度：
L--50℃；V--60℃ ；M--75℃&80℃；K--90℃；N--100℃ Q--110℃；P--120℃；
X--130℃；R--140℃；S--150℃
⑦额定零功率电阻：
221-- 220Ω；472--4700Ω；R5--0.5Ω；4R7--4.7Ω；9R0--9.0Ω；180--18Ω
⑧标称电阻允许误差：
J--±5% ；K-- ±10%； L --±15% ；M--±20%；V--±25%；N--±30%
⑨耐电压：800--800Vac；265--265Vac；270--270Vac
⑩包装方式：B--散装 ；C--编带
◆技术参数
|
型号规格 |
不动作 电流(mA) |
动作 电流(mA) |
最大 电流 (mA) |
额定 电阻 ±25%Ω |
最大 电压(Vac) |
外形尺寸 (mm) |
||||
|
25℃ |
60℃ |
Dmax |
F |
Φd |
Tmax |
|||||
|
MZ21A10R1R2RV15 |
850 |
700 |
1550 |
4300 |
1.2 |
15 |
12.5 |
5.0 |
0.6 |
5.0 |
|
MZ21A08R1R8RV15 |
600 |
500 |
1100 |
3000 |
1.8 |
15 |
9.0 |
5.0 |
0.6 |
5.0 |
|
MZ21A07R1R2RV15 |
650 |
550 |
1200 |
2500 |
1.2 |
15 |
8.5 |
5.0 |
0.6 |
5.0 |
|
MZ21A05R4R6RV15 |
350 |
300 |
680 |
1000 |
4.6 |
15 |
6.5 |
5.0 |
0.6 |
5.0 |
|
MZ21A03R13RV15 |
180 |
150 |
350 |
700 |
13 |
15 |
4.5 |
5.0 |
0.5 |
5.0 |
|
MZ21A10P1R2RV18 |
700 |
600 |
1400 |
4300 |
1.2 |
18 |
12.5 |
5.0 |
0.6 |
5.0 |
|
MZ21A08P1R8RV18 |
650 |
550 |
1200 |
3000 |
1.8 |
18 |
9.0 |
5.0 |
0.6 |
5.0 |
|
MZ21A05P4R6RV18 |
300 |
250 |
580 |
1000 |
4.6 |
18 |
6.5 |
5.0 |
0.6 |
5.0 |
|
MZ21A03P13RV18 |
145 |
120 |
280 |
700 |
13 |
18 |
4.5 |
5.0 |
0.5 |
5.0 |
|
MZ21A10R1R8RV30 |
650 |
550 |
1300 |
4300 |
1.8 |
30 |
12.5 |
5.0 |
0.6 |
5.0 |
|
MZ21A08R1R2RV30 |
600 |
500 |
1100 |
3000 |
1.8 |
30 |
9.0 |
5.0 |
0.6 |
5.0 |
|
MZ21N12P1R2RV30 |
750 |
600 |
1500 |
5500 |
1.2 |
30 |
13.5 |
5.0 |
0.6 |
5.0 |
|
MZ21N12P1R8RV30 |
500 |
430 |
1000 |
5500 |
1.8 |
30 |
13.5 |
5.0 |
0.6 |
5.0 |
|
MZ21N10P2R7RV30 |
380 |
320 |
700 |
4300 |
2.7 |
30 |
12.5 |
5.0 |
0.6 |
5.0 |
|
MZ21N08P1R8RV30 |
550 |
450 |
1000 |
3000 |
1.8 |
30 |
9.0 |
5.0 |
0.6 |
5.0 |
|
MZ21N05P10RV30 |
170 |
140 |
340 |
1000 |
10 |
30 |
4.5 |
5.0 |
0.6 |
5.0 |
|
MZ21N16P2R3RV60 |
550 |
450 |
1100 |
8000 |
2.3 |
60 |
18.0 |
5.0 |
0.6 |
5.0 |
|
MZ21N12P3R7RV60 |
380 |
320 |
750 |
5500 |
3.7 |
60 |
13.5 |
5.0 |
0.6 |
5.0 |
|
MZ21N10P5R6RV60 |
300 |
250 |
600 |
4300 |
5.6 |
60 |
12.5 |
5.0 |
0.6 |
5.0 |
|
MZ21N08P9R4RV60 |
180 |
150 |
360 |
3000 |
9.4 |
60 |
9.0 |
5.0 |
0.6 |
5.0 |
|
MZ21N05P25RV60 |
100 |
85 |
200 |
1000 |
25 |
60 |
6.5 |
5.0 |
0.6 |
5.0 |
|
MZ21N03P2R3RV60 |
60 |
50 |
120 |
700 |
55 |
60 |
4.5 |
5.0 |
0.5 |
5.0 |
|
MZ21W20P2R6RV140 |
650 |
500 |
1300 |
4300 |
2.6 |
140 |
22.0 |
5.0 |
0.6 |
5.0 |
|
MZ21W16P4R7RV140 |
425 |
330 |
1850 |
3100 |
4.7 |
140 |
18.0 |
5.0 |
0.6 |
5.0 |
|
MZ21W13P6R8RV140 |
325 |
250 |
650 |
1800 |
6.8 |
140 |
14.5 |
5.0 |
0.6 |
5.0 |
|
MZ21W12P6R8RV140 |
300 |
230 |
600 |
1800 |
6.8 |
140 |
13.5 |
5.0 |
0.6 |
5.0 |
|
MZ21W10P6R8RV140 |
275 |
200 |
550 |
1200 |
6.8 |
140 |
12.5 |
5.0 |
0.6 |
5.0 |
|
MZ21W08P22RV140 |
135 |
110 |
270 |
800 |
22 |
140 |
9.0 |
5.0 |
0.6 |
5.0 |
|
MZ21W06P25RV140 |
125 |
90 |
250 |
500 |
25 |
140 |
7.5 |
5.0 |
0.6 |
5.0 |
|
MZ21W05P33RV140 |
90 |
70 |
175 |
140 |
33 |
140 |
6.5 |
5.0 |
0.6 |
5.0 |
|
MZ21W16R2R1RV140 |
710 |
570 |
1420 |
3100 |
2.1 |
140 |
18.0 |
5.0 |
0.6 |
5.0 |
|
MZ21W13R3R8RV140 |
500 |
400 |
1000 |
1800 |
3.8 |
140 |
14.5 |
5.0 |
0.6 |
5.0 |
|
MZ21W10R6R7RV140 |
300 |
230 |
600 |
1200 |
6.7 |
140 |
12.5 |
5.0 |
0.6 |
5.0 |
|
MZ21W08R12RV140 |
200 |
160 |
400 |
600 |
12 |
140 |
9.0 |
5.0 |
0.6 |
5.0 |
|
MZ21S20P3R7RV265 |
530 |
430 |
1050 |
5000 |
3.7 |
265 |
22.0 |
5.0 |
0.6 |
5.0 |
|
MZ21S18P4R7RV265 |
390 |
300 |
900 |
5000 |
4.7 |
265 |
19.5 |
5.0 |
0.6 |
5.0 |
|
MZ21S16P5R6RV265 |
340 |
280 |
780 |
4100 |
5.6 |
265 |
18.5 |
5.0 |
0.6 |
5.0 |
|
MZ21S14P6R8RV265 |
290 |
220 |
670 |
3000 |
6.8 |
265 |
15.0 |
5.0 |
0.6 |
5.0 |
|
MZ21S12P100RV265 |
200 |
180 |
510 |
2200 |
10 |
265 |
14.0 |
5.0 |
0.6 |
5.0 |
|
MZ21S10P150RV265 |
170 |
140 |
400 |
1500 |
15 |
265 |
12.5 |
5.0 |
0.6 |
5.0 |
|
MZ21S09P220RV265 |
140 |
100 |
330 |
1000 |
22 |
265 |
10.5 |
5.0 |
0.6 |
5.0 |
|
MZ21S07P330RV265 |
100 |
85 |
230 |
1000 |
33 |
265 |
9.0 |
5.0 |
0.6 |
5.0 |
|
MZ21S07P560RV420 |
80 |
70 |
190 |
800 |
56 |
265 |
8.5 |
5.0 |
0.6 |
5.0 |
|
MZ21S07P620RV360 |
75 |
65 |
180 |
800 |
62 |
360 |
8.5 |
5.0 |
0.6 |
5.0 |
|
MZ21S07P820RV420 |
60 |
55 |
150 |
800 |
82 |
420 |
8.5 |
5.0 |
0.6 |
5.0 |
|
MZ21S07P121RV500 |
35 |
30 |
85 |
300 |
120 |
500 |
8.5 |
5.0 |
0.6 |
5.0 |
|
MZ21S07P151RV600 |
30 |
25 |
70 |
300 |
150 |
600 |
8.5 |
5.0 |
0.6 |
5.0 |
|
MZ21S05P500RV265 |
60 |
55 |
130 |
300 |
50 |
265 |
6.5 |
5.0 |
0.6 |
5.0 |
|
MZ21S05P700RV265 |
50 |
45 |
110 |
300 |
70 |
265 |
6.5 |
5.0 |
0.6 |
5.0 |
|
MZ21S05P121RV265 |
35 |
25 |
90 |
300 |
120 |
265 |
6.5 |
5.0 |
0.6 |
5.0 |
|
MZ21S05P151RV265 |
30 |
20 |
70 |
300 |
150 |
265 |
6.5 |
5.0 |
0.6 |
5.0 |
|
MZ21S05P651RV450 |
20 |
18 |
50 |
300 |
650 |
450 |
6.5 |
5.0 |
0.6 |
5.0 |
|
MZ21S05P102RV450 |
15 |
12 |
40 |
300 |
1000 |
450 |
6.5 |
5.0 |
0.6 |
5.0 |
|
MZ21S03P151RV265 |
30 |
22 |
75 |
300 |
150 |
265 |
6.5 |
5.0 |
0.5 |
5.0 |
|
MZ21S10N120RV265 |
170 |
130 |
340 |
1200 |
12 |
265 |
11.0 |
5.0 |
0.6 |
5.0 |
|
MZ21S10N220RV265 |
125 |
90 |
250 |
1200 |
22 |
265 |
11.0 |
5.0 |
0.6 |
5.0 |
|
MZ21S07N220RV265 |
120 |
90 |
220 |
500 |
22 |
265 |
8.0 |
5.0 |
0.6 |
5.0 |
|
MZ21S08M120RV265 |
120 |
70 |
220 |
800 |
12 |
265 |
9.0 |
5.0 |
0.6 |
5.0 |
|
MZ21S08M180RV265 |
100 |
60 |
200 |
800 |
18 |
265 |
9.0 |
5.0 |
0.6 |
5.0 |
|
MZ21S08M250RV265 |
85 |
50 |
170 |
800 |
25 |
265 |
9.0 |
5.0 |
0.6 |
5.0 |
|
MZ21S08M500RV265 |
60 |
40 |
120 |
800 |
50 |
265 |
9.0 |
5.0 |
0.6 |
5.0 |
|
MZ21S07M101RV265 |
50 |
30 |
100 |
600 |
100 |
265 |
8.0 |
5.0 |
0.6 |
5.0 |
|
MZ21S05M700RV265 |
50 |
30 |
100 |
300 |
70 |
265 |
6.5 |
5.0 |
0.6 |
5.0 |
|
MZ21S05M121RV265 |
30 |
20 |
60 |
300 |
120 |
265 |
6.5 |
5.0 |
0.6 |
5.0 |
|
MZ21S03M101RV265 |
25 |
18 |
55 |
200 |
100 |
265 |
4.5 |
5.0 |
0.5 |
5.0 |
|
MZ21S03M151RV265 |
22 |
15 |
45 |
200 |
150 |
265 |
4.5 |
5.0 |
0.5 |
5.0 |
|
MZ21S10Q102RV1000 |
25 |
17 |
500 |
3000 |
7500 |
1000 |
12.5 |
5.0 |
0.6 |
5.0 |