Stan dard Zen er volta ge tole ranc e iis 5% AND
Zener
s
SUFF IX "BZX 55A " FOR
1%
FOR
SUFF IX "BZX 55B" FOR 2%
SUFF IX "BZX 55C " FOR 5%
FOR
SUFF IX "BZX 55D " FOR 20%
FOR
Thes e diode s are also ava ilabl e iin DO-35 cas e
diode are
availabl n DO-35 case
with the type des igna tion BZX 55C (A)(B )(D)2 V4.. ...
designa
BZX55C
BZX5 5C(A )(B)(D )47
0 .7 9 (2 .0))
.79 (2.0
0.79(2.0)
MA X .
MAX.
1.02(26.0)
1 .0 2 (2 6 .0 )
.02 (26 .0)
MIN.
MIN .
IN.
0 .1 6 5 (4 .20 )
.16 (4.2 0
0.165(4.20)
MA X .
MAX.
Cas e: AIXA L Mold ed Gla ss
Glass
0 .0 2 0 (0 .52 )
.02 (0.5 2
0.020(0.52)
T Y P.
TYP.
1.02(26.0)
1 .0 2 (2 6 .0 )
.02 (26 .0)
MIN.
MIN .
IN.
Characteristic
Power
Po wer Diss ipat ion at Ta mb= 25
Tamb=
Z- curr
Z-curr ent
Trem al Res istan ce Jun ctio n to Ambi ent Air
Junctio to Ambi
Maximum instantaneous forward voltage drop
at IF=200 mADC
Junction temperature
Storage temperature range
Symbol
P
tot
Iz
R
th
J-A
Value
Units
W
0.5 1)
P
V
/V
Z
3002)
1.5
1
75
-65 to+175
to+ 175
K/W
Vo lts
Volts
VF
T
J
Tstg
1) Valid provided that leads are kept at ambient temperature at adistance of 8mm from case
2) Valid provided that leads at distance of 10mm from case are kept ar ambient temperature
W
0.5
0.4
CHANGE IN THE POWER DISSIPA TION DUE
TO THE AMBIENT TEMPERATURE
P
tot
0.3
0.2
0.1
0
0
25
50
75
100
125
150
175
200
AMBIENT TEMPERA TURE
BREAKDOWN CHARACTERISTICS
50
40
0
5
10
15
20
25
30
V
Iz
30
20
10
0
6V8
6V8
6V2
6V2
5V6
5V6
5V1
5V1
4V7
4V7
4V7
4V7
4V3
4V3
4V3
4V3
3V9
3V9
3V3
3V3
3V3
3V3
15
15
15
15
11
11
12
12
24
24
2V4
2V4
2V4
2V4
20
20
20
20
22
22
27
27
27
27
9V1
9V1
Vz
Device
Type
Nominal
Zener
Voltage
Vz at Izt
Volts
Test
Current
IzT
Maximum Zener Impedance
Z
Z
T at I
Z
T
Z
Z
K at I
Z
K
IzK
Maximum Reverse
Leakage Current
IR
A
Test
Voltage
Suffix B
Typical
Temperature
coefficient
%/K
-0.090~-0.06
-0.090~-0.06
-0.080~-0.05
-0.080~-0.05
-0.080~-0.05
-0.080~-0.05
-0.060~-0.03
-0.050~+0.02
-0.020~+0.02
-0.050~+0.05
+0.030~+0.06
+0.030~+0.07
+0.030~+0.07
+0.030~+0.08
+0.030~+0.09
+0.030~+0.10
+0.030~+0.11
+0.030~+0.11
+0.030~+0.11
+0.030~+0.11
+0.030~+0.11
+0.030~+0.11
+0.030~+0.11
+0.040~+0.12
+0.040~+0.12
+0.040~+0.12
+0.040~+0.12
+0.040~+0.12
+0.040~+0.12
+0.040~+0.12
+0.040~+0.12
+0.040~+0.12
Maximum
Regulator
Current
IzM
Volts
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
3.0
5.0
6.2
6.8
7.5
8.2
9.0
10
11
12
13
15
16
18
20
22
24
27
30
33
36
BZX55C2V4
BZX55C2V7
BZX55C3V0
BZX55C3V3
BZX55C3V6
BZX55C3V9
BZX55C4V3
BZX55C4V7
BZX55C5V1
BZX55C5V6
BZX55C6V2
BZX55C6V8
BZX55C7V5
BZX55C8V2
BZX55C9V1
BZX55C10
BZX55C11
BZX55C12
BZX55C13
BZX55C15
BZX55C16
BZX55C18
BZX55C20
BZX55C22
BZX55C24
BZX55C27
BZX55C30
BZX55C33
BZX55C36
BZX55C39
BZX55C43
BZX55C47
2.28-2.56
2.5-2.9
2.8-3.2
3.1-3.5
3.4-3.8
3.7-4.1
4.0-4.6
4.4-5.0
4.8-5.4
5.2-6.0
5.8-6.6
6.4-7.2
7.0-7.9
7.7-8.7
8.5-9.6
9.4-10.6
10.4-11.6
11.4-12.7
12.4-14.1
13.8-15.6
15.3-17.1
16.8-19.1
18.8-21.2
20.8-23.3
22.8-25.6
25.1-28.9
28-32
31-35
34-38
37-41
40-46
44-50
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
2.5
2.5
2.5
85
85
85
85
85
85
75
60
35
25
10
8
7
7
10
15
20
20
26
30
40
50
55
55
80
80
80
80
80
90
90
110
600
600
600
600
600
600
600
600
550
450
200
150
50
50
50
70
70
90
110
110
170
170
220
220
220
220
220
220
220
500
600
700
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0.5
0.5
0.5
50
10
4
150
135
125
115
105
95
90
85
80
70
64
58
53
47
43
40
36
32
29
27
24
21
20
18
16
14
13
12
11
10
9.2
8.5
2
2
2
1
0.5
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
1)
STANDARD VOLTAGE TOLERANCE IS
SUFFIX "BZX55A" FOR 1%
SUFFIX "BZX55B"X FOR 2%
SUFFIX "BZX55C" FOR 5%
SUFFIX "BZX55D" FOR 20%
ZENER DIODE MARKING SYSTEM
5% AND
BZX
1
C3V6
2
1 Type NO
2 Vz of zener diode, V code is instead of
decimal point. E.g., 3V6=3.6V
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