3.常用整流桥的主要参数
表14 几种单相桥式整流器的参数
参数 型号 | 不重复正向浪涌电流/A | 整流 电流/A | 正向电压降/V | 反向漏电/mA | 反向工作电压/V | 最高工作 结温/oC |
QL1 | 1 | 0.05 |
£1.2 |
£10 |
常见的分档为:25,50,100,200,400,500,600,700,800,900,1000 |
130 |
QL2 | 2 | 0.1 | ||||
QL4 | 6 | 0.3 | ||||
QL5 | 10 | 0.5 | ||||
QL6 | 20 | 1 | ||||
QL7 | 40 | 2 |
£15 | |||
QL8 | 60 | 3 |
表15 部分稳压二极管的主要参数
测试条件 参 型 数 号 | 工作电流为稳定电流 | 稳定电压下 | 环境温度<50oC |
| 稳定电流下 | 稳定电流下 | 环境温度<10oC |
稳定电压 /V | 稳定电流/mA | 最大稳定电流/mA | 反向漏电流 | 动态电阻/W | 电压温度系数/10-4/oC | 最大耗散功率/W | |
2CW51 | 2.5~3.5 |
10 | 71 | £5 | £60 | 3-9 |
0.25 |
2CW52 | 3.2~4.5 | 55 | £2 | £70 | 3-8 | ||
2CW53 | 4~5.8 | 41 | £1 | £50 | -6~4 | ||
2CW54 | 5.5~6.5 | 38 |
£0.5 | £30 | -3~5 | ||
2CW56 | 7~8.8 | 27 | £15 | £7 | |||
2CW57 | 8.5~9.8 | 26 | £20 | £8 | |||
2CW59 | 10~11.8 |
5 | 20 | £30 | £9 | ||
2CW60 | 11.5~12.5 | 19 | £40 | £9 | |||
2CW103 | 4~5.8 | 50 | 165 | £1 | £20 | -6~4 |
1 |
2CW110 | 11.5~12.5 | 20 | 76 | £0.5 | £20 | £9 | |
2CW113 | 16~19 | 10 | 52 | £0.5 | £40 | £11 | |
2CW1A | 5 | 30 | 240 |
| £20 |
| 1 |
2CW6C | 15 | 30 | 70 |
| £8 |
| 1 |
2CW7C | 6.0~6.5 | 10 | 30 |
| £10 | 0.05 | 0.2 |
5.常用半导体三极管的主要参数
(1) 3AX51(3AX31)型PNP型锗低频小功率三极管
表163AX51(3AX31)型半导体三极管的参数
原型号 | 3AX31 |
测试条件 | ||||
新型号 | 3AX51A | 3AX51B | 3AX51C | 3AX51D | ||
极限参数 | PCM(mW) | 100 | 100 | 100 | 100 | Ta=25oC |
ICM(mA) | 100 | 100 | 100 | 100 |
| |
TjM(oC) | 75 | 75 | 75 | 75 |
| |
BVCBO(V) | 330 | 330 | 330 | 330 | IC=1mA | |
BVCEO(V) | 312 | 312 | 318 | 324 | IC=1mA | |
直流参数 | ICBO(mA) | £12 | £12 | £12 | £12 | VCB=-10V |
ICEO(mA) | £500 | £500 | £300 | £300 | VCE=-6V | |
IEBO(mA) | £12 | £12 | £12 | £12 | VEB=-6V | |
hFE | 40~150 | 40~150 | 30~100 | 25~70 | VCE=-1VIC=50mA | |
交流参数 | fa(kHz) | 3500 | 3500 | 3500 | 3500 | VCB=-6VIE=1mA |
NF(dB) | - | £8 | - | - | VCB=-2VIE=0.5mAf=1kHz | |
hie(kW) | 0.6~4.5 | 0.6~4.5 | 0.6~4.5 | 0.6~4.5 | VCB=-6VIE=1mAf=1kHz | |
hre(′10) | £2.2 | £2.2 | £2.2 | £2.2 | ||
hoe(ms) | £80 | £80 | £80 | £80 | ||
hfe | - | - | - | - | ||
hFE色标分档 | (红)25~60;(绿)50~100;(蓝)90~150 | |||||
管脚 | B
EC
|
(2)3AX81型PNP型锗低频小功率三极管
表173AX81型PNP型锗低频小功率三极管的参数
型号 | 3AX81A | 3AX81B | 测试条件 | |
极限参数 | PCM(mW) | 200 | 200 |
|
ICM(mA) | 200 | 200 |
| |
TjM(oC) | 75 | 75 |
| |
BVCBO(V) | -20 | -30 | IC=4mA | |
BVCEO(V) | -10 | -15 | IC=4mA | |
BVEBO(V) | -7 | -10 | IE=4mA | |
直流参数 | ICBO(mA) | £30 | £15 | VCB=-6V |
ICEO(mA) | £1000 | £700 | VCE=-6V | |
IEBO(mA) | £30 | £15 | VEB=-6V | |
VBES(V) | £0.6 | £0.6 | VCE=-1VIC=175mA | |
VCES(V) | £0.65 | £0.65 | VCE=VBEVCB=0IC=200mA | |
hFE | 40~270 | 40~270 | VCE=-1VIC=175mA | |
交流 参数 | fb(kHz) | 36 | 38 | VCB=-6VIE=10mA |
hFE色标分档 | (黄)40~55 (绿)55~80 (蓝)80~120 (紫)120~180 (灰)180~270 (白)270~400 | |||
管脚 | B
EC
|
(3)3BX31型NPN型锗低频小功率三极管
表183BX31型NPN型锗低频小功率三极管的参数
3DG100(3DG6) 型NPN型硅高频小功率三极管 {{分页}}
表193DG100(3DG6) 型NPN型硅高频小功率三极管的参数
原 型号 | 3DG6 |
测试条件 | ||||
新 型号 | 3DG100A | 3DG100B | 3DG100C | 3DG100D | ||
极限参数 | PCM(mW) | 100 | 100 | 100 | 100 |
|
ICM(mA) | 20 | 20 | 20 | 20 |
| |
BVCBO(V) | 330 | 340 | 330 | 340 | IC=100μA | |
BVCEO(V) |