DATA SHEET
SEMICONDUCTOR
BZX84C Series
ZENER DIODE
FEATURES
Power dissipation
PD : 200 mW（Tamb=25℃）
Zener Voltages: 2.4V~39V
Operating and storage junction temperature range
TJ，Tstg: -55℃ to +150℃
High temperature soldering : 260
O
C / 10 seconds at terminals
Pb free product at available : 99% Sn above meet RoHS
environment substance directive request
Symbol
A
A1
A2
b
c
D
E
E1
e
e1
L
L1
θ
Dimensions In Millimeters
Min
Max
0.900
1.100
0.000
0.100
0.900
1.000
0.200
0.400
0.080
0.150
2.000
2.200
1.150
1.350
2.150
2.450
0.650 TYP
1.200
1.400
0.525 REF
0.260
0.460
0°
8°
H
SOT323
Unit:inch(mm)
Dimensions In Inches
Min
Max
0.035
0.043
0.000
0.004
0.035
0.039
0.008
0.016
0.003
0.006
0.079
0.087
0.045
0.053
0.085
0.096
0.026 TYP
0.047
0.055
0.021 REF
0.010
0.018
0°
8°
ELECTRICAL CHARACTERISTICS（Tamb=25℃ unless otherwise specified）
Zener Voltage
Type
Number
Marking
Code
Mom(V)
BZX84C2V4W
BZX84C2V7W
BZX84C3V0W
BZX84C3V3W
BZX84C3V6W
BZX84C3V9W
BZX84C4V3W
BZX84C4V7W
BZX84C5V1W
BZX84C5V6W
BZX84C6V2W
BZX84C6V8W
BZX84C7V5W
BZX84C8V2W
BZX84C9V1W
BZX84C10W
KRB
KRC
KRD
KRE
KRF
KRG
KRH
KR1
KR2
KR3
KR4
KR5
KR6
KR7
KR8
KR9
2.4
2.7
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
Range(Note 1)
VZ @ IZr
Min(V)
2.2
2.5
2.8
3.1
3.4
3.7
4.0
4.4
4.8
5.2
5.8
6.4
7.0
7.7
8.5
9.4
Max(V)
2.6
2.9
3.2
3.5
3.8
4.1
4.6
5.0
5.4
6.0
6.6
7.2
7.9
8.7
9.6
10.6
Izr
mA
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
100
100
95
95
90
90
90
80
60
40
10
15
15
15
15
20
ZZT @
IZr
Ω
600
600
600
600
600
600
600
600
500
480
400
150
80
80
80
100
Maximum Zener Impedance
(Note 2)
ZZK @
IZK
IZK
mA
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
IR
μA
50
20
20
5.0
5.0
3.0
3.0
3.0
2.0
1.0
3.0
2.0
1.0
0.7
0.5
0.2
Maximum
Reverse
Current
@ VR
V
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
2.0
2.0
4.0
4.0
5.0
5.0
6.0
7.0
Temperature
Coefficient of Zener
Voltage
@ IZT =5mA
(mV/℃)
Min
-3.5
-3.5
-3.5
-3.5
-3.5
-3.5
-3.5
-3.5
-2.7
-2.0
0.4
1.2
2.5
3.2
3.8
4.5
Max
0
0
0
0
0
0
0
0.2
1.2
2.5
3.7
4.5
5.3
6.2
7.0
8.0
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DEVICE CHARACTERISTICS
BZX84C Series
BZX84C11W
BZX84C12W
BZX84C13W
BZX84C15W
BZX84C16W
BZX84C18W
BZX84C20W
BZX84C22W
BZX84C24W
BZX84C27W
BZX84C30W
BZX84C33W
BZX84C36W
BZX84C39W
2. = 1KHz.
KP1
KP2
KP3
KP4
KP5
KP6
KP7
KP8
KP9
KPA
KPB
KPC
KPD
KPE
11
12
13
15
16
18
20
22
24
27
30.0
33.0
36.0
39.0
10.4
11.4
12.4
13.8
15.3
16.8
18.8
20.8
22.8
25.1
28.0
31.0
34.0
37.0
11.6
12.7
14.1
15.6
17.1
19.1
21.2
23.3
25.6
28.9
32.0
35.0
38.0
41.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
2.0
2.0
2.0
2.0
2.0
20
25
30
30
40
45
55
55
70
80
80
80
90
130
150
150
150
170
200
200
225
225
250
250
300
300
325
350
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0.5
0.5
0.5
0.5
0.5
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
8.0
8.0
8.0
10.5
11.2
12.6
14.0
15.4
16.8
18.9
21.0
23.1
25.2
27.3
5.4
6.0
7.0
9.2
10.4
12.4
14.4
16.4
18.4
21.4
24.4
37.4
30.4
33.4
9.0
10.0
11.0
13.0
14.0
16.0
18.0
20.0
22.0
25.3
29.4
33.4
37.4
41.2
Notes:1. Tested with pulses,300µs pulse width,2% duty cycle.
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
5C
O
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
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DEVICE CHARACTERISTICS
BZX84C Series
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
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
ZENER VOLTAGE, VOLTS
Fig.7 ZENER VOLTAGE VERSUS ZENER CURRENT
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
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