DATA SHEET
BZX84C2V4W SERIES
SURFACE MOUNT SILICON ZENER DIODES
VOLTAGE
2.4 to 39 Volts
POWER
200 mWatts
SOT-323
Unit: inch (mm)
FEATURES
• 200mW Power Dissipation
• Ideally Suited for Automated Assembly Processes
• Both normal and Pb free product are available :
Normal : 80~95% Sn, 5~20% Pb
Pb free: 98.5% Sn above
.056(1.40)
.047(1.20)
.006(.15)
.002(.05)
.004(.10)MIN.
• Planar Die construction
.087(2.2)
.070(1.8)
.054(1.35)
.045(1.15)
MECHANICAL DATA
• Case: SOT-323, Molded Plastic
• Terminals: Solderable per MIL-STD-202, Method 208
• Polarity: See Diagram Below
• Approx. Weight: 0.0052 grams
• Mounting Position: Any
.004(.10)MAX.
.016(.40)
.078(.20)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Parameter
Maximum Forward Voltage Drop at IF=10mA
Power Dissipation (Notes A) at 25
O
C
Peak Forward Surge Current, 8.3ms single half
sine-wave superimposed on rated load (JEDEC method) (Notes B)
Operating Junction and StorageTemperature Range
Symbol
V
F
P
D
I
FSM
T
J
Value
0.9
200
2.0
-55 to +150
.044(1.1)
.035(0.9)
Units
V
mW
Amps
O
SINGLE
( Note C )
NOTES:
A. Mounted on 5.0mm
2
(.013mm thick) land areas.
B. Measured on 8.3ms, single half sine-wave or equivalent square wave, duty cycle = 4 pulses per minute maximum.
C. For Structure Purpose only.
.087(2.2)
.078(2.0)
C
STAD-MAR.31.2004
PAGE . 1
TEMPERATURE COEFFICIENT,(mA/
O
C)
8
7
6
5
4
3
2
1
TEMPERATURE COEFFICIENT,(mA/
O
C)
100
10
0
-1
-2
-3
2
3
4
5
6
7
8
9
10
11
12
1
10
100
NOMINAL ZENER VOLTAGE,VOLTS
NOMINAL ZENER VOLTAGE,VOLTS
Fig.1 TEMPERATURE COEFFICENTS
Fig.2 TEMPERATURE COEFFICENTS
1000
DYNAMIC IMPEDANCE,W
IZ = 1 mA
FORWARD CURRENT,mA
T
J
=25 C
I
Z(AC)=0.1
I
Z(DC)
F=1 kHZ
O
1000
100
5 mA
20 mA
100
10
10
150
O
C
75 C
O
25
O
C
5
O
C
1
1
10
NORMAL ZENER VOLTAGE, VOLTS
100
1
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
FORWARD VOLTAGE, VOLTS
Fig.3 EFFECT OF ZENER VOLTAGE ON ZENER IMPEDANCE
Fig.4 TYPICAL FORWARD VOLTAGE
1000
0.6
POWER DISSIPATION, Watts
0 V BIAS
1 V BIAS
T
A
=25 C
O
T
A
=25
o
C
0.5
0.4
0.3
0.2
0.1
0
CAPACITANCE,pF
100
BIASAT
50% OF VZ NOM
10
1
0
25
50
75
100
125
150
1
10
NORMAL ZENER VOLTAGE, VOLTS
100
TEMPERATURE (
O
C)
Fig.5 STEADY STATE POWER DERATING
Fig.6 TYPICAL CAPACITANCE
STAD-MAR.31.2004
PAGE . 3
100
T
A
=25
o
C
100
T
A
=25
o
C
ZENER CURRENT,mA
10
ZENER CURRENT,mA
10
1
1
0.1
0.1
0.01
0
2
4
6
8
10
12
0.01
10
30
50
70
90
ZENER VOLTAGE, VOLTS
Fig.7 ZENER VOLTAGE VERSUS ZENER CURRENT
ZENER VOLTAGE, VOLTS
Fig.8 ZENER VOLTAGE VERSUS ZENER CURRENT
1000
LEAKAGE CURRENT,mA
100
10
1
0.1
0.01
0.001
0.0001
0.00001
0
10
20
30
40
50
60
70
+150 C
O
+25 C
-55 C
80
90
O
O
NORMAL ZENER VOLTAGE, VOLTS
Fig.9 TYPICAL LEAKAGE CURRENT
STAD-MAR.31.2004
PAGE . 4
Embedded System
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