BZT52 Series
Zener Diodes
Electrical Characteristics(TA = 25°C unless otherwise noted)
Dynamic Resistance
Admissible Zener current(4)
Temp. Coeff.
at I = 1mA of Zener Voltage
Reverse
Voltage
at I = 100nA
y = C for ± 5%
y = B for ± 2%
at I = 5mA
f = 1 kHz
at
at
Z
Z
Marking
Code
f = 1kHz
(Ω)
at I = 5mA
T
= 45°C
(mA)
T
= 25°C
(mA)
Z
R
amb
amb
Type
r
Zj
(Ω)
r
Zj
α VZ (10–4/°C)
– 9 … – 4
– 9 … – 4
– 9 … – 3
– 8 … – 3
– 8 … – 3
– 7 … – 3
– 6 … – 1
– 5 … +2
– 3 … +4
– 2 … +6
– 1 … +7
+2 … +7
V
(V)
I
I
R
Z
Z
BZT52-y2V4
BZT52-y2V7
BZT52-y3
W1
W2
W3
W4
W5
W6
W7
W8
W9
WA
WB
WC
WD
WE
WF
WG
WH
WI
85
600
–
–
–
75 (< 83)
80 (< 95)
80 (< 95)
80 (< 95)
80 (< 95)
80 (< 95)
70 (< 78)
30 (< 60)
10 (< 40)
4.8 (< 10)
4.5 (< 8)
4 (< 7)
< 500
< 500
< 500
< 500
< 500
< 500
< 500
< 480
< 400
< 200
< 150
< 50
–
–
–
–
–
–
–
113
98
92
85
77
71
64
56
50
45
41
37
34
30
28
25
23
21
19
17
15
14
13
11
10
9
134
118
109W5
100
92
84
76
67
59
54
49
44
40
36
33
30
28
25
23
20
18
17
16
13
12
10
9
BZT52-y3V3
BZT52-y3V6
BZT52-y3V9
BZT52-y4V3
BZT52-y4V7
BZT52-y5V1
BZT52-y5V6
BZT52-y6V2
BZT52-y6V8
BZT52-y7V5
BZT52-y8V2
BZT52-y9V1
BZT52-y10
BZT52-y11
BZT52-y12
BZT52-y13
BZT52-y15
BZT52-y16
BZT52-y18
BZT52-y20
BZT52-y22
BZT52-y24
BZT52-y27
BZT52-y30
BZT52-y33
BZT52-y36
BZT52-y39
BZT52-y43
BZT52-y47
BZT52-y51
BZT52-y56
BZT52-y62
BZT52-y68
BZT52-y75
> 0.8
> 1
> 2
> 3
+3 … +7
> 5
4.5 (< 7)
4.8 (< 10)
5.2 (< 15)
6 (< 20)
< 50
+4 … +7
> 6
< 50
+5 … +8
> 7
< 70
+5 … +8
> 7.5
> 8.5
> 9
< 70
+5 … +9
7 (< 20)
< 90
+6 … +9
WK
WL
WM
WN
WO
WP
WR
WS
WT
WU
WW
WX
WY
WZ
X1
9 (< 25)
< 110
< 110
< 170
< 170
< 220
< 220
< 220
< 250
< 250
< 250
< 250
< 300
< 700
< 750
< 750
< 1000(3)
< 1000(3)
< 1000(3)
< 1500(3)
+7 … +9
> 10
> 11
> 12
> 14
> 15
> 17
> 18
> 20
> 22.5
> 25
> 27
> 29
> 32
> 35
> 38
–
11 (< 30)
13 (< 40)
18 (< 50)
20 (< 50)
25 (< 55)
28 (< 80)
30 (< 80)
35 (< 80)
40 (< 80)
40 (< 90)
50 (< 90)
60 (< 100)
70 (< 100)
70 (< 100)
< 135(2)
+7 … +9
+8 … +9.5
+8 … +9.5
+8 … +10
+8 … +10
+8 … +10
+8 … +10
+8 … +10
+8 … +10
+8 … +10
+10 … +12
+10 … +12
+10 … +12
+10 … +12
typ. +10(2)
typ. +10(2)
typ. +10(2)
typ. +10(2)
8
8
9
7
8
6
7
5
6
5
6
X2
–
–
X3
< 150(2)
–
–
–
X4
< 200(2)
–
–
–
X5
< 250(2)
–
–
–
Notes: (1) Tested with pulses tp = 5 ms
(2) at IZ = 2.5 mA
(3) at IZ = 0.5 mA
(4) Valid provided that electrodes are kept at ambient temperature