BZX55 SERIES
■特性曲线(典型)Characteristics(Typical)
图2:热阻与引线长度关系
图1:总功率损耗与环境温度关系
FIG2: Thermal Resistance vs. Lead Length
FIG1: Total Power Dissipation vs. Ambient Temperature
500
400
300
200
100
0
600
500
TL=constant
400
300
200
100
0
80
200
Tamb(℃)
0
40
160
120
10
20
0
5
15
L(mm)
图3:工作电压在工作条件Tamb=25度下的典型变化
图4:工作电压的典型变化与结温的关系
FIG4: Typical Change of Working Voltage vs.
Junction Temperature
FIG3:Typical Change of Working Voltage under
Operating Conditions at Tamb=25℃
1000
1.3
1.2
1.1
1.0
0.9
0.8
Vztn=Vzt/Vz(25℃)
Tj=25℃
-4×10-4/K
TKvz=10×10-4/K
100
8×10-4/K
6×10-4/K
4×10-4/K
2×10-4/K
0
Iz=5mA
-4×10-4/K
10
-4×10-4/K
1
0
5
10
15
20
25
60
180
240
-60
0
120
Vz(V)
Tj(℃)
图6:正向电流与正向电压的关系
图5:温度系数与齐纳电压的关系
FIG5: Temperature Coefficient of Vz vs. Z-voltage
15
FIG6: Forward Current vs. Forward Voltage
100
10
1.0
10
5
Tj=25℃
0.1
0
0.01
0.001
-5
0
10
20
30
40
50
0
0.2
0.4
0.6
0.8
1.0
Vz(V)
VF(V)
扬州扬杰电子科技体股份有限公司
Yangzhou Yangjie Electronic Technology Co., Ltd.
Document Number 0242
Rev. 1.0, 22-Sep-11
www.21yangjie.com