BZX55B2V4-BZX55B75
500mW, 2% Tolerance SMD Zener Diode
Small Signal Diode
VZ Tolerance Selection of ±2%
Moisture sensitivity level 1
Matte Tin(Sn) lead finish with Nickel(Ni) underplate
Pb free version and RoHS compliant
ESD rating 15KV per human body model
Min Max Min Max
0.45 0.55 0.018 0.022
Case : DO-35 package (SOD-27) 3.05 5.08 0.120 0.200
High temperature soldering guaranteed : 260°C/10s 25.40 38.10 1.000 1.500
Polarity : Indicated by cathode band 1.53 2.28 0.060 0.090
Weight : 109 ± 4 mg
Package
DO-35
DO-35
Maximum Ratings and Electrical Characteristics
Maximum Ratings
IF=10mA
VBR : Voltage at IZK
IZK : Test current for voltage VBR
ZZK : Dynamic impedance at IZK
IZT : Test current for voltage VZ
VZ: Voltage at current IZT
ZZT : Dynamic impedance at IZT
IZM : Maximum steady state current
VZM : Voltage at IZM
BZX55BXXX R0 10Kpcs / 14" Reel
Ordering Information
Part No. Packing
BZX55BXXX A0 5Kpcs / Ammo
C
D
Rating at 25°C ambient temperature unless otherwise specified.
Notes:1. Valid provided that electrodes are kept at ambient temperature, and mount on PC board 50mmx50mmx1.6mm
Units
PD
VF
mWPower Dissipation
Symbol
Zener I vs. V Characteristics
V
Thermal Resistance (Junction to Ambient) (Note 1) RθJA 240 °C/W
Forward Voltage 1.0
TJ, TSTG °C
Type Number
-65 to + 200
Value
500
Junction and Storage Temperature Range
Features
Mechanical Data
Wide zener voltage range selection : 2.4V to 75V
All External Surfaces are Corrosion Resistant and
Leads are Readily Solderable
Unit (inch)
A
B
DO-35 Axial Lead
HERMETICALLY SEALED GLASS
Dimensions Unit (mm)
Voltage
Current
IF
VF
VR
IR
VBR
IZK
VZ
IZT
VZM
IZM
Forward RegionLeakage RegionBreakdownRegion
A
B
C
D
Version : C12
BZX55B2V4-BZX55B75
500mW, 2% Tolerance SMD Zener Diode
Small Signal Diode
Electrical Characteristics
Ta = 25°C unless otherwise noted
VF Forward Voltage = 1.0V Maximum @ I
F = 10 mA for all part numbers
Nom Min Max
BZX55B2V4 2.4 2.35 2.45 5.0 85 1.0 600 50 1.0
BZX55B2V7 2.7 2.65 2.75 5.0 85 1.0 600 10 1.0
BZX55B3V0 3.0 2.94 3.06 5.0 85 1.0 600 4.0 1.0
BZX55B3V3 3.3 3.23 3.37 5.0 85 1.0 600 2.0 1.0
BZX55B3V6 3.6 3.53 3.67 5.0 85 1.0 600 2.0 1.0
BZX55B3V9 3.9 3.82 3.98 5.0 85 1.0 600 2.0 1.0
BZX55B4V3 4.3 4.21 4.39 5.0 75 1.0 600 1.0 1.0
BZX55B4V7 4.7 4.61 4.79 5.0 60 1.0 600 0.5 1.0
BZX55B5V1 5.1 5.00 5.20 5.0 35 1.0 550 0.1 1.0
BZX55B5V6 5.6 5.49 5.71 5.0 25 1.0 450 0.1 1.0
BZX55B6V2 6.2 6.08 6.32 5.0 10 1.0 200 0.1 2.0
BZX55B6V8 6.8 6.66 6.94 5.0 8 1.0 150 0.1 3.0
BZX55B7V5 7.5 7.35 7.65 5.0 7 1.0 50 0.1 5.0
BZX55B8V2 8.2 8.04 8.36 5.0 7 1.0 50 0.1 6.2
BZX55B9V1 9.1 8.92 9.28 5.0 10 1.0 50 0.1 6.8
BZX55B10 10 9.80 10.20 5.0 15 1.0 70 0.1 7.5
BZX55B11 11 10.78 11.22 5.0 20 1.0 70 0.1 8.2
BZX55B12 12 11.76 12.24 5.0 20 1.0 90 0.1 9.1
BZX55B13 13 12.74 13.26 5.0 26 1.0 110 0.1 10
BZX55B15 15 14.70 15.30 5.0 30 1.0 110 0.1 11
BZX55B16 16 15.68 16.32 5.0 40 1.0 170 0.1 12
BZX55B18 18 17.64 18.36 5.0 50 1.0 170 0.1 14
BZX55B20 20 19.60 20.40 5.0 55 1.0 220 0.1 15
BZX55B22 22 21.56 22.44 5.0 55 1.0 220 0.1 17
BZX55B24 24 23.52 24.48 5.0 80 1.0 220 0.1 18
BZX55B27 27 26.46 27.54 5.0 80 1.0 220 0.1 20
BZX55B30 30 29.40 30.60 5.0 80 1.0 220 0.1 22
BZX55B33 33 32.34 33.66 5.0 80 1.0 220 0.1 24
BZX55B36 36 35.28 36.72 5.0 80 1.0 220 0.1 27
BZX55B39 39 38.22 39.78 2.5 90 0.5 500 0.1 28
BZX55B43 43 42.14 43.86 2.5 90 0.5 600 0.1 32
BZX55B47 47 46.06 47.94 2.5 110 0.5 700 0.1 35
BZX55B51 51 49.98 52.02 2.5 125 0.5 700 0.1 38
BZX55B56 56 54.88 57.12 2.5 135 0.5 1000 0.1 42
BZX55B62 62 60.76 63.24 2.5 150 0.5 1000 0.1 47
BZX55B68 68 66.64 69.36 2.5 160 0.5 1000 0.1 51
BZX55B75 75 73.50 76.50 2.5 170 0.5 1000 0.1 56
Notes:
1. The Zener Volta
g
e
(
VZ
)
is tested under
p
ulse condition of 10ms
2. The device numbers listed have a standard tolerance on the nominal zener volta
g
e of ±2
%
.
ZZT @ IZT(Ω)
Max
4. The zener impedance is derived from the 60-cycle ac voltage, which results when an ac current having an rms val
u
equal to 10% of the DC zener current (IZT or IZK) is superimposed to IZT or IZK.
ZZK @ IZK(Ω)
Max
VZ @ IZT (Volt) IR @ VR(μA)
Max
IZK(mA)IZT(mA) VR(V)
3. For detailed information on price, availability and delivery of nominal zener voltages between the voltages shown a
n
tighter voltage tolerances, contact your nearest Taiwan semiconductor representative.
Part Number
Version : C12
BZX55B2V4-BZX55B75
500mW, 2% Tolerance SMD Zener Diode
Small Signal Diode
Rating and Sharacteristic Curves
FIG 1 Typical Forward Characteristics
1
10
100
1000
0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2
Forward Current (mA)
0
0
1
10
100
0123456789101112
Zener Current (mA)
Ta=25°C
0
100
200
300
400
500
600
0 40 80 120 160 200
Power Dissipation (mW)
FIG 3 Zener Breakdown Characteristics
0
0
1
10
100
10 20 30 40 50 60 70 80
Zener Current (mA)
Ta=25°C
Ta=150°C
Ta=25°C
Ta=75°C
FIG 6 Effect of Zener Voltage on Impedence
1
10
100
1000
1 10 100
Dynamic Impedence (Ώ)
FIG 5 Typical Capacitance
1
10
100
1000
1 10 100
Capacitance(pF)
Bias at 50% of VZ(Nom)
1V Bias
Iz=20m
Iz=5mA
Iz=1mA
Zener Voltage (V)
Forward Voltage (V)
FIG 2 Zener Breakdown Characteristics
Zener Voltage (V)
FIG 4 Admissible Power Disspation Curve
Zener Voltage (V) Ambient Tempeture (°C)
Zener Voltage (V)
Version : C12
