SMD Zener Diode
Formosa MS
BZT55 Series
List
List................................................................................................. 1
Package outline............................................................................... 2
Features.......................................................................................... 2
Mechanical data............................................................................... 2
Maximum ratings ............................................................................. 2
Electrical characteristics................................................................... 3~4
Rating and characteristic curves........................................................ 5
Pinning information...........................................................................6
Suggested solder pad layout............................................................. 6
Packing information.......................................................................... 7
Reel packing.................................................................................... 8
Suggested thermal profiles for soldering processes............................. 8
High reliability test capabilities...........................................................9
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2009/08/10
Revised Date
2010/05/10
Revision
C
Page.
9
Page 1
DS-221735
SMD Zener Diode
Formosa MS
Package outline
SOD-123F
BZT55 Series
500mW Surface Mount Zener
Diodes - 2.4V-51V
Features
•
Silicon epitaxial planar chip structure.
•
Wide Zener Voltage Range Selection, 2.4V to 51V
•
5% tolerance of Zener voltage for suffix "C" ex: BZT55C2V4
•
Small package size for high density applications.
•
Ideally suited for automated assembly processes.
•
Pb-Free package is available.
•
Suffix "-H" indicates Halogen-free parts, ex.BZT55C2V4-H.
0.071(1.80)
0.055(1.40)
0.110(2.80)
0.098(2.50)
0.028(0.70)
0.019(0.50)
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
Total power dissipation
Thermal resistance
Operating junction temperature range
Storage temperature range
@IF = 10mA
CONDITIONS
Symbol
V
F
P
D
R
θJA
T
J
T
STG
0.008(0.20)MAX
0.053(1.35)
0.037(0.95)
MIN.
TYP.
MAX.
0.9
500
UNIT
V
mW
O
on FR-5 board, note1
Junction to ambient, note1
305
-55
-55
+150
+150
C/W
o
C
C
o
Note1.Device mounted on ceramic PCB; 7.6mm x 9.4mm x 0.87mm with pad area 25mm
2
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2009/08/10
Revised Date
2010/05/10
Revision
C
Page.
9
Page 2
DS-221735
SMD Zener Diode
Formosa MS
o
A
BZT55 Series
Electrical characteristics
(at T =25 C unless otherwise noted)
Zener
voltage
Part No.
Marking
code
V
Z
@ I
ZT
Min.(V) Nom.(V) Max.(V)
BZT55C2V4
BZT55C2V7
BZT55C3V0
BZT55C3V3
BZT55C3V6
BZT55C3V9
BZT55C4V3
BZT55C4V7
BZT55C5V1
BZT55C5V6
BZT55C6V2
BZT55C6V8
BZT55C7V5
BZT55C8V2
BZT55C9V1
BZT55C10
BZT55C11
BZT55C12
BZT55C13
BZT55C15
BZT55C16
BZT55C18
BZT55C20
BZT55C22
BZT55C24
BZT55C27
BZT55C30
BZT55C33
BZT55C36
BZT55C39
BZT55C43
BZT55C47
BZT55C51
WX
W1
W2
W3
W4
W5
W6
W7
W8
W9
WA
WB
WC
WD
WE
WF
WG
WH
WI
WJ
WK
WL
WM
WN
WO
WP
WQ
WR
WS
WT
WU
WV
WW
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
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
40.0
44.0
48.0
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
15
16
18
20
22
24
27
30
33
36
39
43
47
51
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
11.6
12.7
14.1
15.8
17.1
19.1
21.2
23.3
25.6
28.9
32.0
35.0
38.0
41.0
46.0
50.0
54.0
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
2
2
2
2
2
2
2
2
Z
ZT
@ I
ZT
(Ω)Max
100
100
95
95
90
90
90
80
60
40
10
15
15
15
15
20
20
25
30
30
40
45
55
55
70
80
80
80
90
130
100
100
100
Zener
impedance
Z
ZK
@ I
ZK
(Ω)Max
600
600
600
600
600
600
600
500
480
400
150
80
80
80
100
150
150
150
170
200
200
225
225
250
250
300
300
325
350
350
700
750
750
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
0.5
0.5
0.5
0.5
0.5
1.0
1.0
1.0
I
R
(uA)Max
50.0
20.0
10.0
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
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
2.0
2.0
2.0
4.0
4.0
5.0
5.0
6.0
7.0
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
32.0
35.0
38.0
-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
5.4
6.0
7.0
9.2
10.4
12.4
14.4
16.4
18.4
21.4
24.4
27.4
30.4
33.4
10.0
10.0
10.0
Typical Temperature
Typical Coefficent
@ I
ZT
(mV/
O
C)
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
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
12.0
12.0
12.0
Note:
1. Tested with pulses, period = 5ms, pulse width = 300us.
2. When provided, otherwise, parts are provided with date code only, and type number identifications appears on reel only.
3. f=1KHz.
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2009/08/10
Revised Date
2010/05/10
Revision
C
Page.
9
Page 3
DS-221735
SMD Zener Diode
Formosa MS
o
A
BZT55 Series
Electrical characteristics
(at T =25 C unless otherwise noted)
Zener
voltage
Part No.
Marking
code
V
Z
@ I
ZT
Min.(V)
BZT55B2V0
BZT55B2V2
BZT55B2V4
BZT55B2V7
BZT55B3V0
BZT55B3V3
BZT55B3V6
BZT55B3V9
BZT55B4V3
BZT55B4V7
BZT55B5V1
BZT55B5V6
BZT55B6V2
BZT55B6V8
BZT55B7V5
BZT55B8V2
BZT55B9V1
BZT55B10
BZT55B11
BZT55B12
BZT55B13
BZT55B15
BZT55B16
BZT55B18
BZT55B20
BZT55B22
BZT55B24
BZT55B27
BZT55B30
BZT55B33
BZT55B36
02
12
22
32
42
52
62
72
82
92
A2
C2
E2
F2
H2
J2
L2
05
15
25
35
45
55
65
75
85
95
A5
C5
E5
F5
2.02
2.22
2.43
2.69
3.01
3.32
3.60
3.89
4.17
4.55
4.98
5.49
6.06
6.65
7.28
8.02
8.85
9.77
10.76
11.74
12.91
14.34
15.85
17.56
19.52
21.54
23.72
26.19
29.19
32.15
35.07
Max.(V)
2.20
2.41
2.63
2.91
3.22
3.53
3.845
4.16
4.43
4.75
5.20
5.73
6.33
6.93
7.6
8.36
9.23
10.21
11.22
12.24
13.49
14.98
16.51
18.35
20.39
22.47
24.78
27.53
30.69
33.79
36.87
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
Z
ZT
@ I
ZT
(Ω)Max
100
100
100
110
120
120
100
100
100
100
80
60
60
40
30
30
30
30
30
30
37
42
50
65
85
100
120
150
200
250
300
Zener
impedance
Z
ZK
@ I
ZK
(Ω)Max
1000
1000
1000
1000
1000
1000
1000
1000
1000
800
500
200
100
60
60
60
60
60
60
80
80
80
80
80
100
100
120
150
200
250
300
I
ZK
mA
0.5
0.5
0.5
0.5
0.5
0.5
1.0
1.0
1.0
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
0.5
0.5
0.5
0.5
0.5
0.5
0.5
I
R
(uA)Max
120.0
120.0
100.0
100.0
50.0
20.0
10.0
5.0
5.0
2.0
2.0
1.0
1.0
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
Leakage
current
V
R
Volts
0.5
0.7
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.5
2.5
3.0
3.5
4.0
5.0
6.0
7.0
8.0
9.0
10.0
11.0
12.0
13.0
15.0
17.0
19.0
21.0
23.0
25.0
27.0
Note:
1. Tested with pulses, period = 5ms, pulse width = 300us.
2. When provided, otherwise, parts are provided with date code only, and type number identifications appears on reel only.
3. f=1KHz.
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2009/08/10
Revised Date
2010/05/10
Revision
C
Page.
9
Page 4
DS-221735
Rating and characteristic curves (BZT55 Series)
FIG.1-TOTAL POWER DISSIPATION VS.
AMBIENT TEMPERATURE
0.6
TOTAL POWER DISSIPATION (Watt)
0.5
0.4
0.3
0.2
0. 1
0
0
25
50
75
100
125
150
AMBIENT TEMPERATURE (
o
C)
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2009/08/10
Revised Date
2010/05/10
Revision
C
Page.
9
Page 5
DS-221735
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