BZX79C2V4 through BZX79C200 Series
(-55
°C
to +150
°C
temperature range; 90% of the units are in the ranges indicated.)
TEMPERA TURE COEFFICIENT (mV/
°
C)
+12
TEMPERATURE COEFFICIENT (mV/
°
C)
+10
+8
+6
+4
+2
RANGE
0
-2
-4
2
3
4
5
6
7
8
9
10
11
12
V
Z
, ZENER VOLTAGE (VOLTS)
V
Z
@ I
ZT
(NOTE 2)
100
70
50
30
20
RANGE
V
Z
@ I
Z
(NOTE 2)
TEMPERATURE COEFFICIENTS
10
7
5
3
2
1
10
20
θ
VZ
,
θ
VZ
,
30
50
70
100
V
Z
, ZENER VOLTAGE (VOLTS)
Figure 4a. Range for Units to 12 Volts
Figure 4b. Range for Units 12 to 100 Volts
TEMPERA TURE COEFFICIENT (mV/
°
C)
TEMPERATURE COEFFICIENT (mV/
°
C)
200
+6
V
Z
@ I
Z
TA= 25
°C
180
+4
160
+2
20mA
0
0.01mA
1mA
-2
NOTE: BELOW 3 VOLTS AND ABOVE 8 VOL TS
NOTE:
CHANGES IN ZENER CURRENT DO NOT
NOTE:
AFFECT TEMPERATURE COEFFICIENTS
3
4
5
6
7
8
140
120
V
Z
@ I
ZT
(NOTE 2)
θ
VZ ,
θ
VZ
,
120
130
140
150
160
170
180
190
200
100
-4
V
Z
, ZENER VOLTAGE (VOLTS)
V
Z
, ZENER VOLTAGE (VOLTS)
Figure 4c. Range for Units 120 to 200 Volts
Figure 5. Effect of Zener Current
1000
500
0V BIAS
200
C, CAP ACIT ANCE (pF)
100
T
A
= 25
°
C
100
70
50
0 BIAS
C, CAP ACIT ANCE (pF)
30
20
1 VOLT BIAS
10
7
5
3
2
1
50% OF V BIAS
T= 25
°C
1V BIAS
50
20
10
5
2
1
1
2
5
10
20
50
100
V
Z,
ZENER VOLTAGE (VOLTS)
50% OF
V
Z
BIAS
120
140
160
180
190
200
220
V Z, ZENER VOLTAGE (VOLTS)
Figure 6a. Typical Capacitance 2.4-100 Volts
Figure 6b. Typical Capacitance 120-200 Volts
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