BZX55B Series
Excel Semiconductor
www.excel-semi.com Rev. 3f, 1-Jun-2008
FaxBack +86-512-66607370 1/5
Zener diode
Features
High reliability
Applications
Voltage stabilization
Absolute Maximum Ratings
T
j
=25℃
Parameter Test Conditions Type Symbol Value Unit
Power dissipation I=4mm T
L
≤25℃ P
V
500 mW
Z-current I
Z
P
V
/V
Z
mA
Junction temperature T
j
175 ℃
Storage temperature range T
stg
-65~+175 ℃
Maximum Thermal Resistance
T
j
=25℃
Parameter Test Conditions Symbol Value Unit
Junction ambient I=4mm T
L
=constant R
thJA
350 K/W
Stresses exceeding maximum ratings may damage the device. Maximum ratings are stress ratings only. Functional operation above the
recommended operating conditions is not implied. Extended exposure to stresses above the recommended operating conditions may
affect device reliability.
Electrical Characteristics
T
j
=25℃
Parameter Test Conditions Type Symbol Min Typ Max Unit
Forward voltage I
F
=200mA V
F
1.5 V
BZX55B Series
Excel Semiconductor
www.excel-semi.com Rev. 3f, 1-Jun-2008
FaxBack +86-512-66607370 2/5
Type V
Znom
I
ZT
for V
ZT
and r
zjT
r
zjK
at I
ZK
I
R
and I
R
at V
R
TK
VZ
BZX55B V mA V
Ω Ω mA µA µA
1)
V %/K
2V0 2.0 5 1.96~2.04 <100 <600 1 <150 <300 1 -0.09~-0.06
2V2 2.2 5 2.15~2.25 <100 <600 1 <150 <300 1 -0.09~-0.06
2V4 2.4 5 2.35~2.45 <85 <600 1 <50 <100 1 -0.09~-0.06
2V7 2.7 5 2.64~2.76 <85 <600 1 <10 <50 1 -0.09~-0.06
3V0 3.0 5 2.94~3.06 <85 <600 1 <4 <40 1 -0.08~-0.05
3V3 3.3 5 3.24~3.36 <85 <600 1 <2 <40 1 -0.08~-0.05
3V6 3.6 5 3.52~3.68 <85 <600 1 <2 <40 1 -0.08~-0.05
3V9 3.9 5 3.82~3.98 <85 <600 1 <2 <40 1 -0.08~-0.05
4V3 4.3 5 4.22~4.38 <75 <600 1 <1 <20 1 -0.06~-0.03
4V7 4.7 5 4.6~4.8 <60 <600 1 <0.5 <10 1 -0.05~+0.02
5V1 5.1 5 5.0~5.2 <35 <550 1 <0.1 <2 1 -0.02~+0.02
5V6 5.6 5 5.48~5.72 <25 <450 1 <0.1 <2 1 -0.05~+0.05
6V2 6.2 5 6.08~6.32 <10 <200 1 <0.1 <2 2 0.03~0.06
6V8 6.8 5 6.66~6.94 <8 <150 1 <0.1 <2 3 0.03~0.07
7V5 7.5 5 7.35~7.65 <7 <50 1 <0.1 <2 5 0.03~0.07
8V2 8.2 5 8.04~8.36 <7 <50 1 <0.1 <2 6.2 0.03~0.08
9V1 9.1 5 8.92~9.28 <10 <50 1 <0.1 <2 6.8 0.03~0.09
10 10 5 9.8~10.2 <15 <70 1 <0.1 <2 7.5 0.03~0.1
11 11 5 10.78~11.22 <20 <70 1 <0.1 <2 8.2 0.03~0.11
12 12 5 11.76~12.24 <20 <90 1 <0.1 <2 9.1 0.03~0.11
13 13 5 12.74~13.26 <26 <110 1 <0.1 <2 10 0.03~0.11
15 15 5 14.7~15.3 <30 <110 1 <0.1 <2 11 0.03~0.11
16 16 5 15.7~16.3 <40 <170 1 <0.1 <2 12 0.03~0.11
18 18 5 17.64~18.36 <50 <170 1 <0.1 <2 13 0.03~0.11
20 20 5 19.6~20.4 <55 <220 1 <0.1 <2 15 0.03~0.11
22 22 5 21.55~22.45 <55 <220 1 <0.1 <2 16 0.04~0.12
24 24 5 23.5~24.5 <80 <220 1 <0.1 <2 18 0.04~0.12
27 27 5 26.4~27.6 <80 <220 1 <0.1 <2 20 0.04~0.12
30 30 5 29.4~30.6 <80 <220 1 <0.1 <2 22 0.04~0.12
33 33 5 32.4~33.6 <80 <220 1 <0.1 <2 24 0.04~0.12
36 36 5 35.3~36.7 <80 <220 1 <0.1 <2 27 0.04~0.12
39 39 2.5 38.2~39.8 <90 <500 0.5 <0.1 <5 30 0.04~0.12
43 43 2.5 42.1~43.9 <90 <600 0.5 <0.1 <5 33 0.04~0.12
47 47 2.5 46.1~47.9 <110 <700 0.5 <0.1 <5 36 0.04~0.12
51 51 2.5 50~52 <125 <700 0.5 <0.1 <10 39 0.04~0.12
56 56 2.5 54.9~57.1 <135 <1000 0.5 <0.1 <10 43 0.04~0.12
62 62 2.5 60.8~63.2 <150 <1000 0.5 <0.1 <10 47 0.04~0.12
68 68 2.5 66.6~69.4 <200 <1000 0.5 <0.1 <10 51 0.04~0.12
75 75 2.5 73.5~76.5 <250 <1500 0.5 <0.1 <10 56 0.04~0.12
1)
at T
j
=150℃