BZT55C2V4-BZT55C75
500mW, 5% Tolerance SMD Zener Diode
Small Signal Diode
VZ Tolerance Selection of ±5%
Moisture sensitivity level 1
Matte Tin(Sn) lead finish with Nickel(Ni) underplate
Pb free version and RoHS compliant
Unit (mm) Unit (inch)
Min Max Min Max
3.30 3.70 0.130 0.146
Case : QUADRO Mini-MELF Package (JEDEC DO-213) 1.40 1.60 0.055 0.063
High temperature soldering guaranteed : 270°C/10s 0.25 0.40 0.010 0.016
1.25 1.40 0.049 0.055
Package
QMMELF
QMMELF
Maximum Ratings
IF=10mA
Notes:1. Valid provided that electrodes are kept at ambient temperature
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
QUADRO Mini-MELF (LS34)
HERMETICALLY SEALED GLASS
Zener I vs. V Characteristics
V
Thermal Resistance (Junction to Ambient) (Note 1) RθJA 500 °C/W
Forward Voltage 1.0
TJ, TSTG °C-65 to + 175
Value
500
Junction and Storage Temperature Range
PD
VF
Power Dissipation
Symbol
Rating at 25°C ambient temperature unless otherwise specified.
Type Number Units
mW
BZT55Cxx L1 2.5Kpcs / 7" Reel
Polarity : Indicated by cathode band
All External Surfaces are Corrosion Resistant and
Leads are Readily Solderable
Maximum Ratings and Electrical Characteristics
Features
Mechanical Data
Wide zener voltage range selection : 2.4V to 75V
Dimensions
A
Weight : 29 ± 2.5 mg
BZT55Cxx L0 10Kpcs / 13" Reel
B
C
D
E 1.80 0.071
Ordering Information
Part No. Packing
Voltage
Current
IF
VF
VR
IR
VBR
IZK
VZ
IZT
VZM
IZM
Forward RegionLeakage RegionBreakdownRegion
C
B
A
D
E
Version : D09
BZT55C2V4-BZT55C75
500mW, 5% Tolerance SMD Zener Diode
Small Signal Diode
Electrical Characteristics
Ta = 25°C unless otherwise noted
VF Forward Voltage = 1.0V Maximum @ IF = 10 mA for all part numbers
Nom Min Max
BZT55C2V4 2.4 2.28 2.52 5 85 1 600 50 1
BZT55C2V7 2.7 2.57 2.84 5 85 1 600 10 1
BZT55C3V0 3.0 2.85 3.15 5 85 1 600 4 1
BZT55C3V3 3.3 3.14 3.47 5 85 1 600 2 1
BZT55C3V6 3.6 3.42 3.78 5 85 1 600 2 1
BZT55C3V9 3.9 3.71 4.10 5 85 1 600 2 1
BZT55C4V3 4.3 4.09 4.52 5 75 1 600 1 1
BZT55C4V7 4.7 4.47 4.94 5 60 1 600 0.5 1
BZT55C5V1 5.1 4.85 5.36 5 35 1 550 0.1 1
BZT55C5V6 5.6 5.32 5.88 5 25 1 450 0.1 1
BZT55C6V2 6.2 5.89 6.51 5 10 1 200 0.1 2
BZT55C6V8 6.8 6.46 7.14 5 8 1 150 0.1 3
BZT55C7V5 7.5 7.13 7.88 5 7 1 50 0.1 5
BZT55C8V2 8.2 7.79 8.61 5 7 1 50 0.1 6.2
BZT55C9V1 9.1 8.65 9.56 5 10 1 50 0.1 6.8
BZT55C10 10 9.50 10.50 5 15 1 70 0.1 7.5
BZT55C11 11 10.45 11.55 5 20 1 70 0.1 8.2
BZT55C12 12 11.40 12.60 5 20 1 90 0.1 9.1
BZT55C13 13 12.35 13.65 5 26 1 110 0.1 10
BZT55C15 15 14.25 15.75 5 30 1 110 0.1 11
BZT55C16 16 15.20 16.80 5 40 1 170 0.1 12
BZT55C18 18 17.10 18.90 5 50 1 170 0.1 13
BZT55C20 20 19.00 21.00 5 55 1 220 0.1 15
BZT55C22 22 20.90 23.10 5 55 1 220 0.1 16
BZT55C24 24 22.80 25.20 5 80 1 220 0.1 18
BZT55C27 27 25.65 28.35 5 80 1 220 0.1 20
BZT55C30 30 28.50 31.50 5 80 1 220 0.1 22
BZT55C33 33 31.35 34.65 5 80 1 220 0.1 24
BZT55C36 36 34.20 37.80 5 80 1 220 0.1 27
BZT55C39 39 37.05 40.95 2.5 90 0.5 500 0.1 28
BZT55C43 43 40.85 45.15 2.5 90 0.5 600 0.1 32
BZT55C47 47 44.65 49.35 2.5 110 0.5 700 0.1 35
BZT55C51 51 48.45 53.55 2.5 125 0.5 700 0.1 38
BZT55C56 56 53.20 58.80 2.5 135 0.5 1000 0.1 42
BZT55C62 62 58.90 65.10 2.5 150 0.5 1000 0.1 47
BZT55C68 68 64.60 71.40 2.5 160 0.5 1000 0.1 51
BZT55C75 75 71.25 78.75 2.5 170 0.5 1000 0.1 56
Notes:
1. The Zener Volta
g
e
(
V
Z
)
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 ±5%.
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 value
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 and
tighter voltage tolerances, contact your nearest Taiwan semiconductor representative.
Part Number
Version : D09
BZT55C2V4-BZT55C75
500mW, 5% 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
50
100
150
200
250
300
0123456789101112
Zener Current (mA)
Ta=25°C
0
100
200
300
400
500
600
0 50 100 150 200
Power Dissipation (mW)
FIG 3 Zener Breakdown Characteristics
0
0
1
10
100
15 25 35 45 55 65 75
Zener Current (mA)
Ta=25°C
Ta=150°C
Ta=25°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=10m
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 : D09
