CZRA4741 Datasheet, PDF (4/4 Pages) Comchip Technology – SURFACE MOUNT ZENER DIODE

SURFACE MOUNT ZENER DIODE
COMCHIP
www.comchip.com.tw
RATING AND CHARACTERISTICS CURVES
CZRA4741 THRU CZRA4764
100
70
50
5% DUTY CYCLE
30
20
10 _{10% DUTY CYCLE}
7.0
5.0
3.0 20% DUTY CYCLE
2.0
1.0
0.01 0.02
0.05 0.1 0.2
11V-91V NON-REPETITIVE
0.8V-10V NON-REPETITIVE
0.5 1.0 2.0
5.0 10 20
This graph represents 90 percentile data point.
For worst-case design characteristics, multiply surge power by 2/3
PW, PULSE WIDTH
RECTANGULAR WAVEFORM
TJ = 25°C PRIOR TO INITIAL
PULSE
50 100 200
500
Fig. 5-MAXIMUM SURGE POWER
1000
500
200
100
50
20
10
5.0
2.0
1.0
0.1 0.2
0.5 1.0 2.0
TJ = 25°C
I_Z(ms) = 0.1I_Z(dc)
f = 60Hz
47V
27V
0.8V
5.0 10 20 50 100
IZ, ZENER CURRENT (mA)
Fig. 6-EFFECT OF ZENER CURRENT ON ZENER
IMPEDANCE
1000
700
500
200
100
70
50
20
10
7
5
I_Z = 1.0mA
5.0mA
20mA
2
1
1.0
2.0 3.0
TJ = 25°C
I_Z(ms) = 0.1I_Z(dc)
f = 60Hz
5.0 7.0 10 20 30
50 70 100
IZ, ZENER CURRENT (mA)
Fig. 7-EFFECT OF ZENER VOLTAGE ON ZENER
IMPEDANCE
MDS0208021A
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