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Datasheet> All Categories > Discrete semiconductor> diode> BZX84C51
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BZX84C51

Description
51 V, 0.35 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE
CategoryDiscrete semiconductor    diode   
File Size235KB，5 Pages
ManufacturerWeitron Technology
Websitehttp://weitron.com.tw/
Download Datasheet Parametric View All

BZX84C51 Overview

51 V, 0.35 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE

BZX84C51 Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerWeitron Technology
Reach Compliance Codeunknow
ConfigurationSINGLE
Diode typeZENER DIODE
Maximum dynamic impedance180 Ω
JESD-609 codee0
Number of components1
Maximum operating temperature150 °C
Maximum power dissipation0.225 W
Nominal reference voltage51 V
surface mountYES
Terminal surfaceTin/Lead (Sn/Pb)
Working test current5 mA

BZX84C51 Preview

BZX84C2V4 Series
Surface Mount Zener Diodes
SMALL SIGNAL
ZENER DIODES
225m WATTS
Features:
*225mw Power Dissipation
*Ideal for Surface Mountted Application
*Zener Breakdown Voltage Range 2.4V to 75V
3
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
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
http://www.weitron.com.tw
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
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 4
B ZX84C 2V 7
B ZX84C 3V 0
B ZX84C 3V 3
B ZX84C 3V 6
B ZX84C 3V 9
B ZX84C 4V 3
B ZX84C 4V 7
B ZX84C 5V 1
B ZX84C 5V 6
B ZX84C 6V 2
B ZX84C 6V 8
B ZX84C 7V 5
B ZX84C 8V 2
B ZX84C 9V 1
Devic e
Marking
Z11
Z12
Z13
Z14
Z15
Z16
W9
Z1
Z2
Z3
Z4
Z5
Z6
Z7
Z8
Min
2.2
2.5
2.8
3.1
3.4
3.7
4
4.4
4.8
5.2
5.8
6.4
7
7.7
8.5
Nom
2.4
2.7
3
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
Max
2.6
2.9
3.2
3.5
3.8
4.1
4.6
5
5.4
6
6.6
7.2
7.9
8.7
9.6
Z
ZT 1
(Ohms )
@
I
ZT 1
=
5mA
100
100
95
95
90
90
90
80
60
40
10
15
15
15
15
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
5.6
6.3
6.9
7.6
8.4
Max
2.1
2.4
2.7
2.9
3.3
3.5
4
4.7
5.3
6
6.6
7.2
7.9
8.7
9.6
Z
ZT 2
(Ohms )
@
I
ZT 2
=
1mA
600
600
600
600
600
600
600
500
480
400
150
80
80
80
100
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
5.8
6.4
7
7.7
8.5
Max
3.2
3.6
3.9
4.2
4.5
4.7
5.1
5.4
5.9
6.3
6.8
7.4
8
8.8
9.7
Z
ZT 3
(Ohms )
@
I
ZT 3
=
20mA
50
50
50
40
40
30
30
15
15
10
6
6
6
6
8
Max R evers e
L eakage
C urrent
I
R
A
50
20
10
5
5
3
3
3
2
1
3
2
1
0.7
0.5
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
0.4
1.2
2.5
3.2
3.8
V
R
@
Volts
1
1
1
1
1
1
1
2
2
2
4
4
5
5
6
Max
0
0
0
0
0
±2.5
0
0.2
1.2
2.5
3.7
4.5
5.3
6.2
7.0
C (pF )
@ V
R
=0
f=1MHz
450
450
450
450
450
450
450
260
225
200
185
155
140
135
130
B ZX84C 10
B ZX84C 11
B ZX84C 12
B ZX84C 13
B ZX84C 15
B ZX84C 16
B ZX84C 18
B ZX84C 20
B ZX84C 22
B ZX84C 24
Z9
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
Y9
9.4
10.4
11.4
12.4
14.3
15.3
16.8
18.8
20.8
22.8
10
11
12
13
15
16
18
20
22
24
10.6
11.6
12.7
14.1
15.8
17.1
19.1
21.2
23.3
25.6
20
20
25
30
30
40
45
55
55
70
9.3
10.2
11.2
12.3
13.7
15.2
16.7
18.7
20.7
22.7
10.6
11.6
12.7
14
15.5
17
19
21.1
23.2
25.5
150
150
150
170
200
200
225
225
250
250
9.4
10.4
11.4
12.5
13.9
15.4
16.9
18.9
20.9
22.9
10.7
11.8
12.9
14.2
15.7
17.2
19.2
21.4
23.4
25.7
10
10
10
15
20
20
20
20
25
25
0.2
0.1
0.1
0.1
0.05
0.05
0.05
0.05
0.05
0.05
7
8
8
8
10.5
11.2
12.6
14
15.4
16.8
4.5
5.4
6.0
7.0
9.2
10.4
12.4
14.4
16.4
18.4
VZ
8.0
9.0
10.0
11.0
13.0
14.0
16.0
18.0
20.0
22.0
130
130
130
120
110
105
100
85
85
80
V
Z1
B elow
@ I
ZT 1
= 2 mA
Devic e
B ZX84C 27
B ZX84C 30
B ZX84C 33
B ZX84C 36
B ZX84C 39
B ZX84C 43
B ZX84C 47
B ZX84C 51
B ZX84C 56
B ZX84C 62
B ZX84C 68
B ZX84C 75
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
WEITRON
http://www.weitron.com.tw
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
http://www.weitron.com.tw
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)
http://www.weitron.com.tw
WEITRON
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