Document
SMD Zener Diode
BZT55 Series
Formosa MS
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
Page 1
Document ID Issued Date
DS-221735
2009/08/10
Revised Date 2010/05/10
Revision C
Page. 9
SMD Zener Diode
BZT55 Series
500mW Surface Mount Zener Diodes - 2.0V-51V
Features
• Silicon epitaxial planar chip structure. • Zener Breakdown Voltage Range, 2.4V to 51V ex.BZT55C2V4 • Zener Breakdown Voltage Range, 2.0V to 36V ex.BZT55B2V0 • 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)
Formosa MS
Package outline
SOD-123F
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
• Polarity : Indicated by cathode band • Mounting Position : Any • Weight : Approximated 0.010 gram
0.008(0.20)MAX
0.053(1.35) 0.037(0.95)
0.154(3.90) 0.141(3.60)
Dimensions in inches and (millimeters)
Maximum ratings (at TA=25oC unless otherwise noted)
PARAMETER
CONDITIONS
Forward voltage
@IF = 10mA
Total power dissipation Thermal resistance
at TA=25oC Mounted on FR-5 board, note1
Junction to ambient, note1 Junction to case, note1
Operating junction temperature range
Storage temperature range
Note1.Device mounted on ceramic PCB; 7.6mm x 9.4mm x 0.87mm with pad area 25mm2
Symbol MIN.
VF
PD
RθJA RθJC
TJ TSTG
-55 -55
TYP.
305 200
MAX. 0.9 500
+150 +150
UNIT
V
mW
OC/W OC/W
oC oC
http://www.formosams.com/ TEL:886-2-22696661 FAX:886-2-22696141
Page 2
Document ID Issued Date
DS-221735
2009/08/10
Revised Date Revision
2010/05/10
C
Page. 9
SMD Zener Diode
BZT55 Series
Formosa MS
Electrical characteristics (at TA=25oC unless otherwise noted)
Part No.
Marking code
Zener voltage
VZ @ IZT Min.(V) Nom.(V) Max.(V)
Test current
IZT mA
ZZT @ IZT (Ω)Max
Zener impedance
ZZK @ IZK (Ω)Max
IZK mA
Leakage current
IR (uA)Max
VR Volts
BZT55C2V4
WX
2.2 2.4
2.6
5
100 600 1.0 50.0 1.0
BZT55C2V7
W1
2.5 2.7
2.9
5
100 600 1.0 20.0 1.0
BZT55C3V0
W2
2.8 3.0
3.2
5
95 600 1.0 10.0 1.0
BZT55C3V3
W3
3.1 3.3
3.5
5
95 600 1.0 5.0 1.0
BZT55C3V6
W4
3.4 3.6
3.8
5
90 600 1.0 5.0 1.0
BZT55C3V9
W5
3.7 3.9
4.1
5
90 600 1.0 3.0 1.0
BZT55C4V3
W6
4.0 4.3
4.6
5
90 600 1.0 3.0 1.0
BZT55C4V7
W7
4.4 4.7
5.0
5
80 500 1.0 3.0 2.0
BZT55C5V1
W8
4.8 5.1
5.4
5
60 480 1.0 2.0 2.0
BZT55C5V6
W9
5.2 5.6
6.0
5
40 400 1.0 1.0 2.0
BZT55C6V2
WA
5.8 6.2
6.6
5
10 150 1.0 3.0 4.0
BZT55C6V8
WB
6.4 6.8
7.2
5
15 80 1.0 2.0 4.0
BZT55C7V5
WC
7.0 7.5
7.9
5
15 80 1.0 1.0 5.0
BZT55C8V2
WD
7.7 8.2
8.7
5
15 80 1.0 0.7 5.0
BZT55C9V1
WE
8.5 9.1
9.6
5
15 100 1.0 0.5 6.0
BZT55C10
WF 9.4 10 10.6
5
20 150 1.0 0.2 7.0
BZT55C11
WG
10.4
11
11.6
5
20 150 1.0 0.1 8.0
BZT55C12
WH
11.4
12
12.7
5
25 150 1.0 0.1 8.0
BZT55C13
WI
12.4
13
14.1
5
30 170 1.0 0.1 8.0
BZT55C15
WJ
13.8
15
15.8
5
30 200 1.0 0.1 10.5
BZT55C16
WK
15.3
16
17.1
5
40 200 1.0 0.1 11.2
BZT55C18
WL
16.8
18
19.1
5
45 225 1.0 0.1 12.6
BZT55C20
WM
18.8
20
21.2
5
55 225 1.0 0.1 14.0
BZT55C22
WN
20.8
22
23.3
5
55 250 1.0 0.1 15.4
BZT55C24
WO
22.8
24
25.6
5
70 250 1.0 0.1 16.8
BZT55C27
WP
25.1
27
28.9
2
80 300 0.5 0.1 18.9
BZT55C30
WQ
28.0
30
32.0
2
80 300 0.5 0.1 21.0
BZT55C33
WR
31.0
33
35.0
2
80 325 0.5 0.1 23.1
BZT55C36
WS
34.0
36
38.0
2
90 350 0.5 0.1 25.2
BZT55C39
WT
37.0
39
41.0
2
130 350 0.5 0.1 27.3
BZT55C43
WU
40.0
43
46.0
2
100 700 1.0 0.1 32.0
BZT55C47
WV
44.0
47.