BZX84C2V4 Series
Surface Mount Zener Diodes
Features:
*225mw Power Dissipation
*Ideal for Surface Mountted Application
*Zener Breakdown Voltage Range 2.4V to 75V
SMALL SIGNAL
ZENER DIODES
225m WATTS
Mechanical Data:
*Case : SOT-23 Molded plastic
*Terminals: Solderable per MIL-STD-202, Method 208
*Polarity: Cathode Indicated by Polarity Band
*Marking: Marking Code (See Table on Page 3)
*Weigh: 0.008grams(approx)
1
2
3
SOT-23
SOT-23 Outline Dimensions
Dim
A
B
C
D
E
G
H
J
K
L
M
Min
0.35
1.19
2.10
0.85
0.46
1.70
2.70
0.01
0.89
0.30
0.076
Max
0.51
1.40
3.00
1.05
1.00
2.10
3.10
0.13
1.10
0.61
0.25
Unit:mm
WEITRON
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BZX84C2V4 Series
Total Power Dissipation on FR-5 Board
@T
A
=25 C
Thermal Resistance Junction to Ambient Air
Forward Voltage @ IF=10mA
Junction and Storage Temperature Range
NOTES:1.FR-5=1.0*0.75*0.62in
(1)
(1)
WEITRON
Maximum Ratings and Electrical Characteristics
(TA=25 C Unless Otherwise Noted)
Symbol
Characteristics
Unit
Value
PD
R JA
VF
Tj,TSTG
225
556
0.9
-65 to+150
mW
C/W
V
C
ELECTRICAL
CHARACTERISTICS
I
I
F
(P inout: 1-Anode, 2-No C onnection, 3-C athode) (T
A
= 25 C
unles s otherwis e noted, V
F
= 0.9V Max. @ I
F
= 10 mA)
Symbol
V
Z
I
ZT
Z
ZT
I
R
V
R
I
F
V
F
R evers e C urrent
Parameter
R evers e Zener Voltage @ I
ZT
Maximum Zener Impedance @ I
ZT
R evers e Leakage C urrent @ V
R
R evers e Voltage
F orward C urrent
F orward Voltage @ I
F
Maximum Temperature C oefficient of V
Z
Max. C apacitance @ V
R
= 0 and f = 1 MHz
V
Z
V
R
I
R
V
F
I
ZT
V
Θ
V
Z
C
Zener V
oltage Regulator
Device Marking
Item
BZX84C2V4
Series
Marking
XX=Specific Device Code
(See Table on page3)
Equivalent Circuit Diagram
3
1
Cathode
Anode
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WEITRON
BZX84C2V4 Series
ELECTRICAL CHARACTERISTICS
WE IT R ON
(P inout: 1-Anode, 2-No C onnection, 3-C athode) (T
A
= 25 C unles s otherwis e noted, V
F
= 0.90 V Max. @ I
F
= 10 mA)
V
Z1
(V
olts )
@ I
ZT 1
= 5 mA
(Note )
Devic e
B ZX84C 2V 4LT 1
B ZX84C 2V 7LT 1
B ZX84C 3V 0LT 1
B ZX84C 3V 3LT 1
B ZX84C 3V 6LT 1
B ZX84C 3V 9LT 1
B ZX84C 4V 3LT 1
B ZX84C 4V 7LT 1
B ZX84C 5V 1LT 1
B ZX84C 5V 6LT 1
Devic e
Marking
Z11
Z12
Z13
Z14
Z15
Z16
W9
Z1
Z2
Z3
Min
2.2
2.5
2.8
3.1
3.4
3.7
4
4.4
4.8
5.2
Nom
2.4
2.7
3
3.3
3.6
3.9
4.3
4.7
5.1
5.6
Max
2.6
2.9
3.2
3.5
3.8
4.1
4.6
5
5.4
6
Z
ZT 1
(Ohms )
@
I
ZT 1
=
5mA
100
100
95
95
90
90
90
80
60
40
V
Z2
(Volts )
@ I
ZT 2
= 1 mA
(Note )
Min
1.7
1.9
2.1
2.3
2.7
2.9
3.3
3.7
4.2
4.8
Max
2.1
2.4
2.7
2.9
3.3
3.5
4
4.7
5.3
6
Z
ZT 2
(Ohms )
@
I
ZT 2
=
1mA
600
600
600
600
600
600
600
500
480
400
V
Z3
(Volts )
@ I
ZT 3
= 20 mA
(Note )
Min
2.6
3
3.3
3.6
3.9
4.1
4.4
4.5
5
5.2
Max
3.2
3.6
3.9
4.2
4.5
4.7
5.1
5.4
5.9
6.3
Z
ZT 3
(Ohms )
@
I
ZT 3
=
20mA
50
50
50
40
40
30
30
15
15
10
Max R evers e
L eakage
C urrent
I
R
A
50
20
10
5
5
3
3
3
2
1
V
R
@
Volts
1
1
1
1
1
1
1
2
2
2
VZ
(mV /k)
@
I
ZT 1
=5mA
Min
±3.5
±3.5
±3.5
±3.5
±3.5
±3.5
±3.5
±3.5
±2.7
±2.0
Max
0
0
0
0
0
±2.5
0
0.2
1.2
2.5
C (pF )
@ V
R
=0
f=1MHz
450
450
450
450
450
450
450
260
225
200
B ZX84C 6V 2LT 1
B ZX84C 6V 8LT 1
B ZX84C 7V 5LT 1
B ZX84C 8V 2LT 1
B ZX84C 9V 1LT 1
B ZX84C 10LT 1
B ZX84C 11LT 1
B ZX84C 12LT 1
B ZX84C 13LT 1
B ZX84C 15LT 1
B ZX84C 16LT 1
B ZX84C 18LT 1
B ZX84C 20LT 1
B ZX84C 22LT 1
B ZX84C 24LT 1
Z4
Z5
Z6
Z7
Z8
Z9
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
Y9
5.8
6.4
7
7.7
8.5
9.4
10.4
11.4
12.4
14.3
15.3
16.8
18.8
20.8
22.8
6.2
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
6.6
7.2
7.9
8.7
9.6
10.6
11.6
12.7
14.1
15.8
17.1
19.1
21.2
23.3
25.6
10
15
15
15
15
20
20
25
30
30
40
45
55
55
70
5.6
6.3
6.9
7.6
8.4
9.3
10.2
11.2
12.3
13.7
15.2
16.7
18.7
20.7
22.7
6.6
7.2
7.9
8.7
9.6
10.6
11.6
12.7
14
15.5
17
19
21.1
23.2
25.5
150
80
80
80
100
150
150
150
170
200
200
225
225
250
250
5.8
6.4
7
7.7
8.5
9.4
10.4
11.4
12.5
13.9
15.4
16.9
18.9
20.9
22.9
6.8
7.4
8
8.8
9.7
10.7
11.8
12.9
14.2
15.7
17.2
19.2
21.4
23.4
25.7
6
6
6
6
8
10
10
10
15
20
20
20
20
25
25
3
2
1
0.7
0.5
0.2
0.1
0.1
0.1
0.05
0.05
0.05
0.05
0.05
0.05
4
4
5
5
6
7
8
8
8
10.5
11.2
12.6
14
15.4
16.8
0.4
1.2
2.5
3.2
3.8
4.5
5.4
6.0
7.0
9.2
10.4
12.4
14.4
16.4
18.4
VZ
3.7
4.5
5.3
6.2
7.0
8.0
9.0
10.0
11.0
13.0
14.0
16.0
18.0
20.0
22.0
185
155
140
135
130
130
130
130
120
110
105
100
85
85
80
V
Z1
B elow
@ I
ZT 1
= 2 mA
Devic e
B ZX84C 27LT 1
B ZX84C 30LT 1
B ZX84C 33LT 1
B ZX84C 36LT 1
B ZX84C 39LT 1
B ZX84C 43LT 1
B ZX84C 47LT 1
B ZX84C 51LT 1
B ZX84C 56LT 1
B ZX84C 62LT 1
B ZX84C 68LT 1
B ZX84C 75LT 1
Devic e
Marking
Y 10
Y 11
Y 12
Y 13
Y 14
Y 15
Y 16
Y 17
Y 18
Y 19
Y 20
Y 21
Min
25.1
28
31
34
37
40
44
48
52
58
64
70
Nom
27
30
33
36
39
43
47
51
56
62
68
75
Max
28.9
32
35
38
41
46
50
54
60
66
72
79
Z
ZT 1
B elow
@
I
ZT 1
=
2mA
80
80
80
90
130
150
170
180
200
215
240
255
V
Z2
B elow
@ I
ZT 2
= 0.1 mA
Min
25
27.8
30.8
33.8
36.7
39.7
43.7
47.6
51.5
57.4
63.4
69.4
Max
28.9
32
35
38
41
46
50
54
60
66
72
79
Z
ZT 2
B elow
@
I
ZT 4
=
0.5mA
300
300
325
350
350
375
375
400
425
450
475
500
V
Z3
B elow
@ I
ZT 3
= 10 mA
Min
25.2
28.1
31.1
34.1
37.1
40.1
44.1
48.1
52.1
58.2
64.2
70.3
Max
29.3
32.4
35.4
38.4
41.5
46.5
50.5
54.6
60.8
67
73.2
80.2
Z
ZT 3
B elow
@
I
ZT 3
=
10mA
45
50
55
60
70
80
90
100
110
120
130
140
Max R evers e
L eakage
C urrent
I
R
A
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
V
R
@
Volts
18.9
21
23.1
25.2
27.3
30.1
32.9
35.7
39.2
43.4
47.6
52.5
(mV /k) B elow
@
I
ZT 1
=2mA
Min
21.4
24.4
27.4
30.4
33.4
37.6
42.0
46.6
52.2
58.8
65.6
73.4
Max
25.3
29.4
33.4
37.4
41.2
46.6
51.8
57.2
63.8
71.6
79.8
88.6
C (pF )
@ V
R
=0
f=1MHz
70
70
70
70
45
40
40
40
40
35
35
35
Note:
Zener voltage is
meas ured with a puls e tes t current I
Z
at an ambient temperature of 25 C
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WEITRON
BZX84C2V4 Series
TYPICAL CHARACTERISTICS
θ
VZ, TEMPERATURE COEFFICIENT (mV/ C)
7
6
5
4
3
2
1
0
-1
-2
-3
V
Z
@ I
ZT
θ
VZ, TEMPERATURE COEFFICIENT (mV/ C )
8
TYPICAL T
C
VALUES
100
TYPICAL T
C
VALUES
V
Z
@ I
ZT
10
2
3
4
5
6
7
8
9
10
V
Z
, NOMINAL ZENER VOLTAGE (V)
11
12
1
10
V
Z
, NOMINAL ZENER VOLTAGE (V)
100
Figure 1. T emperature Coefficients
(Temperature Range - 5 5 C to +150 C)
Figure 2. Temperature Coefficients
(Temperature Range - 55 C to +150 C)
1000
Z ZT, DYNAMIC IMPEDANCE (
Ω
)
I
Z
= 1 mA
5 mA
20 mA
10
T
J
= 25 C
I
Z(AC)
= 0.1 I
Z(DC)
f = 1 kHz
1000
IF, FORWARD CURRENT (mA)
100
100
10
150 C
1
1
10
V
Z
, NOMINAL ZENER VOLTAGE
100
1
0.4
0.5
75 C 25 C
0.6
0C
1.1
1.2
0.7
0.8
0.9
1.0
V
F
, FORWARD VOLTAGE (V)
Figure 3. Effect of Zener Voltage on
Zener Impedance
Figure 4. Typical Forward Voltage
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WEITRON
BZX84C2V4 Series
TYPICAL
1000
0 V BIAS
1 V BIAS
C, CAPACITANCE (pF)
100
BIAS AT
50% OF V
Z
NOM
10
T
A
= 25 C
CHARACTERISTICS
1000
I R , LEAKAGE CURRENT (
µ
A)
100
10
1
0.1
0.01
+25 C
-55 C
10
20
30
40
50
60
70
T
V
Z
, NOMINAL ZENER VOLAGE (V)
80
90
+150 C
0.001
0.0001
1
1
10
V
Z
, NOMINAL ZENER VOLTAGE (V)
100
0.00001
0
Figure 5. Typical Capacitance
Figure 6. Typical Leakage Current
100
T
A
= 25 C
I Z , ZENER CURRENT (mA)
I Z , ZENER CURRENT (mA)
10
100
T
A
= 25 C
10
1
1
0.1
0.1
0.01
0
2
4
6
8
V
Z
, ZENER VOLTAGE (V)
10
12
0.01
10
30
50
70
V
Z
, ZENER VOLTAGE (V)
90
Figure 7. Zener Voltage versus Zener Current
(V
Z
Up to 12 V)
Figure 8. Zener Voltage versus Zener Current
(12 V to 75 V)
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