SMD Zener Diode
Formosa MS
BZT52 Series
List
List................................................................................................. 1
Package outline............................................................................... 2
Features.......................................................................................... 2
Mechanical data............................................................................... 2
Maximum ratings ............................................................................. 2
Electrical characteristics................................................................... 3~4
Rating and characteristic curves........................................................ 5~6
Pinning information........................................................................... 7
Suggested solder pad layout............................................................. 7
Packing information.......................................................................... 8
Reel packing.................................................................................... 9
Suggested thermal profiles for soldering processes............................. 9
High reliability test capabilities........................................................... 10
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2008/02/10
Revised Date
2011/04/20
Revision
C
Page.
10
Page 1
DS-221720
SMD Zener Diode
Formosa MS
Package outline
SOD-123F
BZT52 Series
410mW Surface Mount Zener
Diodes - 2.4V-75V
Features
•
Silicon epitaxial planar chip structure.
•
Wide zener reverse voltage range 2.4V to 75V.
•
Small package size for high density applications.
•
Ideally suited for automated assembly processes.
•
Lead-free parts meet environmental standards of
•
MIL-STD-19500 /228
Suffix "-H" indicates Halogen-free part, ex.BZT52C2V4-H.
0.053(1.35)
0.037(0.95)
0.071(1.80)
0.055(1.40)
0.110(2.80)
0.098(2.50)
Mechanical data
•
Epoxy : UL94-V0 rated flame retardant
•
Case : Molded plastic, SOD-123F
•
Terminals :Plated terminals, solderable per MIL-STD-750,
Method 2026
0.154(3.90)
0.141(3.60)
Dimensions in inches and (millimeters)
•
Polarity : Indicated by cathode band
•
Mounting Position : Any
•
Weight : Approximated 0.010 gram
Maximum ratings
(at T =25 C unless otherwise noted)
o
A
PARAMETER
Forward voltage
Power Dissipation
Forward surge current
Operating temperature
Storage temperature
I
F
= 200 mA DC
CONDITIONS
Symbol
V
F
P
TOT
I
FSM
T
J
T
STG
0.008(0.20)MAX
0.028(0.70)
0.019(0.50)
MIN.
TYP.
MAX.
1.20
410
1000
UNIT
V
mW
mA
o
Diode in ceramic substrate 0.7mmx2.5mm
8.3ms single half sine-wave superimposed
on rate load (JEDEC methode)
-55
-65
+150
+175
C
C
o
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2008/02/10
Revised Date
2011/04/20
Revision
C
Page.
10
Page 2
DS-221720
SMD Zener Diode
Formosa MS
o
A
BZT52 Series
Electrical characteristics
(at T =25 C unless otherwise noted)
BZT52C2V4 thru BZT52C75
Zener
voltage
Part No.
Marking
code
V
Z
@ I
ZT
Min.(V) Nom.(V) Max.(V)
BZT52C2V4
BZT52C2V7
BZT52C3V0
BZT52C3V3
BZT52C3V6
BZT52C3V9
BZT52C4V3
BZT52C4V7
BZT52C5V1
BZT52C5V6
BZT52C6V2
BZT52C6V8
BZT52C7V5
BZT52C8V2
BZT52C9V1
BZT52C10
BZT52C11
BZT52C12
BZT52C13
BZT52C14
BZT52C15
BZT52C16
BZT52C18
BZT52C20
BZT52C22
BZT52C24
BZT52C27
BZT52C30
BZT52C33
BZT52C36
BZT52C39
BZT52C43
BZT52C47
BZT52C51
BZT52C56
BZT52C62
BZT52C68
BZT52C75
W1
W2
W3
W4
W5
W6
W7
W8
W9
WA
WB
WC
WD
WE
WF
WG
WH
WI
WK
WJ
WL
WM
WN
WO
WP
WR
WS
WT
WU
WW
WX
WY
WZ
XA
W2
W3
W4
X5
2.28
2.57
2.85
3.14
3.42
3.71
4.09
4.47
4.85
5.32
5.89
6.46
7.13
7.79
8.65
9.5
10.45
11.4
12.35
13.3
14.25
15.2
17.1
19.0
20.9
22.8
25.65
28.5
31.35
34.2
37.05
40.85
40.65
48.45
53.20
58.90
64.60
71.25
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
11
12
13
14
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
2.52
2.84
3.15
3.47
3.78
4.1
4.52
4.94
5.36
5.88
6.51
7.14
7.88
8.61
9.56
10.5
11.55
12.6
13.65
14.7
15.57
16.8
18.9
21
23.1
25.2
28.35
31.5
34.65
37.8
40.95
45.15
49.35
53.55
58.80
65.10
71.40
78.85
Test
current
I
ZT
mA
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
Z
ZT
@ I
ZT
OHMs
85
83
95
95
95
95
95
78
60
40
10
8
7
7
10
15
20
20
25
25
30
40
45
55
55
70
80
80
80
90
130
100
100
100
135
150
200
250
Zener
impedance
Z
ZK
@ I
ZK
OHMs
600
600
600
600
600
600
600
500
480
400
150
80
80
80
100
150
150
150
170
170
200
200
225
225
250
250
300
300
325
350
350
700
750
750
1000
1000
1000
1000
I
ZK
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
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
1.0
1.0
1.0
1.0
1.0
1.0
I
R
uA
100.0
75.0
50.0
25.0
15.0
10.0
5.0
5.0
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
0.1
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
Leakage
current
V
R
Volts
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0.8
1.0
2.0
3.0
5.0
6.0
7.0
7.5
8.5
9.0
10.0
10.5
11.0
12.0
14.0
15.0
17.0
18.0
20.0
23.0
25.0
27.0
29.0
32.0
35.0
38.0
42.0
46.0
51.0
56.0
Note : 5% tolerance of Zener voltage
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2008/02/10
Revised Date
2011/04/20
Revision
C
Page.
10
Page 3
DS-221720
SMD Zener Diode
Formosa MS
o
A
BZT52 Series
Electrical characteristics
(at T =25 C unless otherwise noted)
BZT52B2V4 thru BZT52B75
Zener
voltage
Part No.
Marking
code
V
Z
@ I
ZT
Min.(V) Nom.(V) Max.(V)
BZT52B2V4
BZT52B2V7
BZT52B3V0
BZT52B3V3
BZT52B3V6
BZT52B3V9
BZT52B4V3
BZT52B4V7
BZT52B5V1
BZT52B5V6
BZT52B6V2
BZT52B6V8
BZT52B7V5
BZT52B8V2
BZT52B9V1
BZT52B10
BZT52B11
BZT52B12
BZT52B13
BZT52B14
BZT52B15
BZT52B16
BZT52B18
BZT52B20
BZT52B22
BZT52B24
BZT52B27
BZT52B30
BZT52B33
BZT52B36
BZT52B39
BZT52B43
BZT52B47
BZT52B51
BZT52B56
BZT52B62
BZT52B68
BZT52B75
W1
W2
W3
W4
W5
W6
W7
W8
W9
WA
WB
WC
WD
WE
WF
WG
WH
WI
WK
WJ
WL
WM
WN
WO
WP
WR
WS
WT
WU
WW
WX
WY
WZ
XA
W2
W3
W4
X5
2.35
2.65
2.94
3.23
3.53
3.82
4.21
4.61
5.0
5.49
6.08
6.66
7.35
8.04
8.92
9.8
10.80
11.80
12.70
13.72
14.70
15.70
17.60
19.60
21.56
23.52
26.46
29.40
32.34
35.28
38.22
42.14
46.06
49.98
54.88
60.76
66.64
73.50
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
11
12
13
14
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
2.45
2.75
3.06
3.37
3.67
3.98
4.39
4.79
5.20
5.71
6.32
6.94
7.65
8.36
9.28
10.2
11.20
12.20
13.30
14.28
15.3
16.30
18.40
20.40
22.44
24.48
27.54
30.60
33.66
36.72
39.78
43.86
47.94
52.02
57.12
63.24
69.36
76.50
Test
current
I
ZT
mA
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
Z
ZT
@ I
ZT
OHMs
85
83
95
95
95
95
95
78
60
40
10
8
7
7
10
15
20
20
25
25
30
40
45
55
55
70
80
80
80
90
130
100
100
100
135
150
200
250
Zener
impedance
Z
ZK
@ I
ZK
OHMs
600
600
600
600
600
600
600
500
480
400
150
80
80
80
100
150
150
150
170
170
200
200
225
225
250
250
300
300
325
350
350
700
750
750
1000
1000
1000
1000
I
ZK
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
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
1.0
1.0
1.0
1.0
1.0
1.0
I
R
uA
100.0
75.0
50.0
25.0
15.0
10.0
5.0
5.0
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
0.1
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
Leakage
current
V
R
Volts
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0.8
1.0
2.0
3.0
5.0
6.0
7.0
7.5
8.5
9.0
10.0
10.5
11.0
12.0
14.0
15.0
17.0
18.0
20.0
23.0
25.0
27.0
29.0
32.0
35.0
38.0
42.0
46.0
51.0
56.0
Note : 2% tolerance of Zener voltage
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2008/02/10
Revised Date
2011/04/20
Revision
C
Page.
10
Page 4
DS-221720
Rating and characteristic curves (BZT52 Series)
FIG.1-TOTAL POWER DISSIPATION VS.
AMBIENT TEMPERATURE
600
TOTAL POWER DISSIPATION (mW)
FIG. 2-TYPICAL CHANGE OF WORKING VOLTAGE
o
UNDER OPERATING CONDITIONS AT T
A
=25 C
1000
500
VOLTAGE CHANGE (mV)
I
Z
= 5mA
100
400
300
200
10
100
0
0
40
80
120
o
0
160
200
0
5
10
15
20
25
AMIBIENT TEMPERATURE ( C)
ZENER VOLTAGE (V)
FIG. 3-TYPICAL CHANGE OF WORKING VOLTAGE
VS. JUNCTION TEMPERATURE
1.3
TEMPERATURE COEFFICIENT (10 / K)
RELATIVE VOLTAGE CHANGE
-4
FIG. 4-TEMPERATURE COEFFICIENT OF VZ
VS. Z-VOLTAGE
15
1.2
10 x 10 /K
1.1
8 x 10 /K
-4
6 x 10 /K
4 x 10 /K
-4
2 x 10 /K
0
-4
-2 x 10 /K
-4
-4 x 10 /K
-4
-4
-4
10
I
Z
= 5mA
5
1.0
0
0.9
0.8
-60
0
60
120
o
-5
180
240
0
10
20
30
40
50
JUNCTION TEMPERATURE ( C)
ZENER VOLTAGE (V)
FIG. 5-DIODE CAPACITANCE VS. Z-VOLTAGE
200
DIODE CAPACITANCE (pF)
150
100
50
0
0
5
10
15
20
25
ZENER VOLTAGE (V)
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2008/02/10
Revised Date
2011/04/20
Revision
C
Page.
10
Page 5
DS-221720
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