BZX84Bx Series
Surface Mount Zener Diodes
Vz Range: 2.4 to 51V Power Dissipation: 350mW
Features
■ Total Power Dissipation: Max. 350 mW
■ Working Voltage Range: Nom. 2.4V to 51V
■ Zener Tolerance: 2%
■ Planar Die Construction
Schematic Diagram
Package: SOT-23
Absolute Maximum Ratings
(TA=25°C unless otherwise noted）
Parameter
Power Dissipation
Symbol
PD
Value
350
Thermal Resistance, Junction to Ambient
Air
Operating and Storage Temperature
Range
RθJA
TJ，TSTG
357
-65 to +150
Unit
mW
°C/W
°C
Electrical Characteristics
(TA=25°C unless otherwise noted）
Marking
Type
Code
Number
BZX84B2V4 Z50
BZX84B2V7 Z51
BZX84B3V0 Z52
BZX84B3V3 Z53
BZX84B3V6 Z54
BZX84B3V9 Z55
BZX84B4V3 Z56
BZX84B4V7 Z57
Zener Voltage Range
VZ@IZT
IZT
Nom(V) Min(V) Max(V) (mA)
2.4 2.35 2.45 5
2.7 2.65 2.75 5
3.0 2.94 3.06 5
3.3 3.23 3.37 5
3.6 3.53 3.67 5
3.9 3.82 3.98 5
4.3 4.21 4.39 5
4.7 4.61 4.79 5
Maximum Zener
Impedance
ZZT@IZT
ZZK@IZK
(Ω) (Ω) (mA)
100 275 1
100 600
1
95 600 1
95 600 1
90 600 1
90 600 1
90 600 1
80 500 1
Maximum
Reverse Current
IR VR
(µA)
(V)
50 1
20 1
10 1
51
51
31
31
32
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