BZX55B
Silicon Planar Zener Diodes
Absolute Maximum Ratings (T
a
= 25
O
C)
Parameter Symbol Value Unit
Power Dissipation P
tot
500
1)
mW
Junction Temperature T
j
175
O
C
Storage Temperature Range T
stg
- 55 to + 175
O
C
1)
Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case.
Characteristics at T
a
= 25
O
C
Parameter Symbol Max. Unit
Thermal Resistance Junction to Ambient Air
R
θJA
0.3
1)
K/mW
Forward Voltage
at I
F
= 100 mA
V
F
1 V
1)
Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case.
Max. 2.9
Max. 1.9
Glass Case DO-34
Max. 0.45
Min. 27.5
Min. 27.5
XXX
Cathode Band
Part No.
Dimensions in mm
Black
Black
Max. 3.9
Max. 1.9
Glass Case DO-35
Max. 0.5
Min. 27.5
Min. 27.5
XXX
Cathode Band
Part No.
Dimensions in mm
Black
Black
BZX55B
Type
Zener Voltage Range
1)
Dynamic Resistance Reverse Leakage Current
Temp. Coefficient
of Zener Voltage
V
znom
V
ZT
at I
ZT
Z
ZT
Z
ZK
at I
ZK
T
a
=25
O
CT
a
=125
O
C I
R
at V
R
(V) (V) (mA) Max. (Ω)Max. (Ω) (mA) Max. (µA) Max. (µA) (V) TKvz (%/K)
BZX55B2V0 2 1.96…2.04 5 85 600 1 100 200 1 -0.09...-0.06
BZX55B2V2 2.2 2.16…2.24 5 85 600 1 75 160 1 -0.09...-0.06
BZX55B2V4 2.4 2.35…2.45 5 85 600 1 50 100 1 -0.09...-0.06
BZX55B2V7 2.7 2.65…2.75 5 85 600 1 10 50 1 -0.09...-0.06
BZX55B3V0 3 2.94…3.06 5 85 600 1 4 40 1 -0.08...-0.05
BZX55B3V3 3.3 3.23…3.37 5 85 600 1 2 40 1 -0.08...-0.05
BZX55B3V6 3.6 3.53…3.67 5 85 600 1 2 40 1 -0.08...-0.05
BZX55B3V9 3.9 3.82…3.98 5 85 600 1 2 40 1 -0.08...-0.05
BZX55B4V3 4.3 4.21…4.39 5 75 600 1 1 20 1 -0.06...-0.03
BZX55B4V7 4.7 4.61…4.79 5 60 600 1 0.5 10 1 -0.05...+0.02
BZX55B5V1 5.1 5…5.2 5 35 550 1 0.1 2 1 -0.02…+0.02
BZX55B5V6 5.6 5.49…5.71 5 25 450 1 0.1 2 1 -0.05…+0.05
BZX55B6V2 6.2 6.08…6.32 5 10 200 1 0.1 2 2 0.03…0.06
BZX55B6V8 6.8 6.66…6.94 5 8 150 1 0.1 2 3 0.03…0.07
BZX55B7V5 7.5 7.35…7.65 5 7 50 1 0.1 2 5 0.03…0.07
BZX55B8V2 8.2 8.04…8.36 5 7 50 1 0.1 2 6.2 0.03…0.08
BZX55B9V1 9.1 8.92…9.28 5 10 50 1 0.1 2 6.8 0.03…0.09
BZX55B10 10 9.8…10.2 5 15 70 1 0.1 2 7.5 0.03…0.1
BZX55B11 11 10.78…11.22 5 20 70 1 0.1 2 8.2 0.03…0.11
BZX55B12 12 11.76…12.24 5 20 90 1 0.1 2 9.1 0.03…0.11
BZX55B13 13 12.74…13.26 5 26 110 1 0.1 2 10 0.03…0.11
BZX55B15 15 14.7…15.3 5 30 110 1 0.1 2 11 0.03…0.11
BZX55B16 16 15.68…16.32 5 40 170 1 0.1 2 12 0.03…0.11
BZX55B18 18 17.64…18.36 5 50 170 1 0.1 2 13 0.03…0.11
BZX55B20 20 19.6…20.4 5 55 220 1 0.1 2 15 0.03…0.11
BZX55B22 22 21.56…22.44 5 55 220 1 0.1 2 16 0.04…0.12
BZX55B24 24 23.52…24.48 5 80 220 1 0.1 2 18 0.04…0.12
BZX55B27 27 26.46…27.54 5 80 220 1 0.1 2 20 0.04…0.12
BZX55B30 30 29.4…30.6 5 80 220 1 0.1 2 22 0.04…0.12
BZX55B33 33 32.34…33.66 5 80 220 1 0.1 2 24 0.04…0.12
BZX55B36 36 35.28…36.72 5 80 220 1 0.1 2 27 0.04…0.12
BZX55B39 39 38.22…39.78 2.5 90 500 0.5 0.1 5 30 0.04…0.12
BZX55B43 43 42.14…43.86 2.5 90 500 0.5 0.1 5 33 0.04…0.12
BZX55B47 47 46.06…47.94 2.5 110 600 0.5 0.1 5 36 0.04…0.12
BZX55B51 51 49.98…52.02 2.5 125 700 0.5 0.1 10 39 0.04…0.12
BZX55B56 56 54.88…57.12 2.5 135 700 0.5 0.1 10 43 0.04...0.12
BZX55B62 62 60.76…63.24 2.5 150 1000 0.5 0.1 10 47 0.04...0.12
BZX55B68 68 66.64…69.36 2.5 200 1000 0.5 0.1 10 51 0.04...0.12
BZX55B75 75 73.5…76.5 2.5 250 1000 0.5 0.1 10 56 0.04...0.12
1)
Tested with pulses t
p
= 20 ms.