BZT52C43 - BZT52C51
SURFACE MOUNT ZENER DIODE
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Features
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Planar Die Construction
General Purpose, Medium Current
Ideally Suited for Automated Assembly Processes
Lead, Halogen and Antimony Free, RoHS Compliant
"Green" Device (Notes 5 and 6)
Mechanical Data
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•
•
•
•
•
•
•
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Case: SOD-123
Case Material: Molded Plastic. UL Flammability Classification
Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020D
Terminals: Solderable per MIL-STD-202, Method 208
Lead Free Plating (Matte Tin Finish annealed over Alloy 42
leadframe)
Polarity: Cathode Band
Marking Information: See Page 2
Ordering Information: See Page 2
Weight: 0.01 grams (approximate)
Top View
Thermal Characteristics
Characteristic
Power Dissipation (Note 1)
Thermal Resistance, Junction to Ambient Air (Note 1)
Operating and Storage Temperature Range
Symbol
P
D
R
θ
JA
T
J,
T
STG
Value
410
305
-65 to +150
Unit
mW
°C/W
°C
Electrical Characteristics
@T
A
= 25°C unless otherwise specified
Zener Voltage Range
(Note 2)
V
Z
@ I
ZT
Nom
(V)
43
47
51
Min (V)
40.0
44.0
48.0
Max (V)
46.0
50.0
54.0
I
ZT
mA
5
5
5
100
100
100
2
Maximum Zener Impedance (Note 4)
Z
ZT
@ I
ZT
Ω
700
750
750
Z
ZK
@ I
ZK
I
ZK
mA
1.0
1.0
1.0
Type
Number
Marking Code
(Note 3)
Maximum
Reverse
Current
(Note 2)
I
R
@ V
R
uA
0.1
0.1
0.1
V
32
35
38
BZT52C43
BZT52C47
BZT52C51
Notes:
1.
2.
3.
4.
5.
6.
WU/WU
WV/WZ
WW/X1
Device mounted on ceramic PCB; 7.6mm x 9.4mm x 0.87mm with pad areas 25mm .
Short duration pulse test used to minimize self-heating effect.
When provided, otherwise, parts are provided with date code only, and type number identification appears on reel only.
f = 1kHz.
No purposefully added lead. Halogen and Antimony Free.
Product manufactured with Data Code V9 (week 33, 2008) and newer are built with Green Molding Compound. Product manufactured prior to Date
Code V9 are built with Non-Green Molding Compound and may contain Halogens or Sb
2
O
3
Fire Retardants.
BZT52C43 - BZT52C51
Document number: DS30363 Rev. 11 - 2
1 of 3
www.diodes.com
June 2008
© Diodes Incorporated
BZT52C43 - BZT52C51
0.6
0.5
8
0.4
I
Z
, ZENER CURRENT (mA)
10
T
J
= 25°C
C47
C43
C51
P
D
, POWER DISSIPATION (W)
6
0.3
4
0.2
0.1
2
0
0
0
25
50
75
100
125
T
A
, AMBIENT TEMPERATURE (
°
C)
Fig. 1 Power Derating Curve
T
J
= 25 °C
150
0
30 40 50 60 70 80 90 100
V
Z
, ZENER VOLTAGE (V)
Fig. 2 Typical Zener Breakdown Characteristics
10
20
100
C
T
, TOTAL CAPACITANCE (pF)
V
R
= 1V
10
V
R
= 2V
1
10
100
V
Z
, NOMINAL ZENER VOLTAGE (V)
Fig. 3 Typical Total Capacitance vs. Nominal Zener Voltage
Ordering Information
Part Number
BZT52CXX-7-F*
(Note 7)
Case
SOD-123
Packaging
3000/Tape & Reel
*Replace “XX” with the nominal Zener breakdown voltage; i.e. Part number for 43V device would be BZT52C43-7-F.
Notes:
7. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
xx = Product Type Marking Code
(See Electrical Characteristics Table)
YM = Date Code Marking
Y = Year (ex: N = 2002)
M = Month (ex: 9 = September)
2004
R
Jun
6
2005
S
2006
T
Jul
7
2007
U
Aug
8
2008
V
Sep
9
2009
W
Oct
O
2010
X
2111
Y
Nov
N
2012
Z
Dec
D
June 2008
© Diodes Incorporated
XX
Date Code Key
Year
1998
Code
J
Month
Code
Jan
1
1999
K
Feb
2
2000
L
2001
M
Mar
3
2002
N
Apr
4
2003
P
May
5
BZT52C43 - BZT52C51
Document number: DS30363 Rev. 11 - 2
2 of 3
www.diodes.com
YM
BZT52C43 - BZT52C51
Package Outline Dimensions
C
H
B
A
M
L
K
SOD-123
Dim
Min
Max
A
0.55 Typ
B
1.40
1.70
C
3.55
3.85
H
2.55
2.85
J
0.00
0.10
K
1.00
1.35
L
0.25
0.40
M
0.10
0.15
0
8°
α
All Dimensions in mm
Suggested Pad Layout
C
X
Dimensions Value (in mm)
Z
4.9
G
2.5
X
0.7
Y
1.2
C
3.7
Y
G
Z
IMPORTANT NOTICE
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product
described herein; neither does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall
assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on our website,
harmless against all damages.
LIFE SUPPORT
Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written
approval of the President of Diodes Incorporated.
BZT52C43 - BZT52C51
Document number: DS30363 Rev. 11 - 2
3 of 3
www.diodes.com
June 2008
© Diodes Incorporated
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