datasheet for BZX84C12W by Kexin

datasheet for BZX84C12W by Kexin
Diodes
SMD Type
200mW Surface Mount Zener Diode
BZX84C12W
Features
Planar Die Construction
200mW Power Dissipation
Ultra-Small Surface Mount Package
Absolute Maximum Ratings Ta = 25
Parameter
Forward Voltage @ IF = 10mA
Power Dissipation
Thermal Resistance, Junction to Ambient Air
Symbol
Rating
Unit
VF
0.9
V
PD
200
mW
625
K/W
R
Operating and Storage Temperature Range
JA
Tj, TSTG
-65 to +150
Electrical Characteristics @ TA = 25 C unless otherwise specified
Zener Voltage
Range *1
Type
Number
BZX84C12W
VZ @ IZT
Maximum Zener Impedance*2
IZT
Nom (V)
Min (V)
Max (V)
mA
12
11.4
12.7
5
ZZT @ IZT ZZK @ IZK
IZK
mA
25
150
1
Maximum
Reverse Current
*1
IR
@VR
Temperature
Coefficient of
Zener Voltage
@ IZT = 5mA
(mV/ C)
A
V
Min
Max
0.1
8
6
10
*1. Short duration test pulse used to minimize self-heating effect.
*2. f = 1KHz.
Marking
Marking
KP2
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1
Diodes
SMD Type
BZX84C12W
300
50
Tj = 25°C
C2V7
C3V9
C4V7
C6V8
40
IZ, ZENER CURRENT (mA)
PD, POWER DISSIPATION (mW)
C3V3
C5V6
200
100
C8V2
30
20
10
0
100
0
200
Test Current IZ
5.0mA
0
0
TA, AMBIENT TEMPERATURE, (°C)
Fig. 1. Power Derating Curve
30
Tj = 25°C
1
2
3
4
5
6
8
9
7
VZ, ZENER VOLTAGE (V)
Fig. 2 Zener Breakdown Characteristics
1000
C10
Tj = 25 °C
CT, TOTAL CAPACITANCE (pF)
IZ, ZENER CURRENT (mA)
C12
C15
20
C18
C22
10
Test current IZ
5mA
C27
C33
VR = 1V
VR = 2V
100
VR = 1V
VR = 2V
C36 C39
10
1
0
0
2
10
20
30
VZ, ZENER VOLTAGE (V)
Fig. 3. Zener Breakdown Characteristics
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40
10
100
VZ, NOMINAL ZENER VOLTAGE (V)
Fig. 4. Total Capacitance vs Nominal Zener Voltage
10
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