DS30363 Rev. 2 - 2
1 of 3
BZT52C43 - BZT52C51
www.diodes.com
·
Planar Die Construction
·
General Purpose, Medium Current
·
Ideally Suited for Automated Assembly
Processes
Features
Maximum Ratings
@ T
A
= 25
°C unless otherwise specified
Characteristic
Symbol
Value
Unit
Power Dissipation (Note 1)
P
d
410
mW
Thermal Resistance, Junction to Ambient Air (Note 1)
R
qJA
305
°C/W
Operating and Storage Temperature Range
T
j,
T
STG
-65 to +150
°C
Notes:
1. Device mounted on ceramic PCB; 7.6mm x 9.4mm x 0.87mm with pad areas 25mm
2
.
2. Short duration test pulse used to minimize self-heating effect.
3. When provided, otherwise, parts are provided with date code only, and type number identifications appears on reel only.
4. f = 1kHz.
Mechanical Data
BZT52C43 - BZT52C51
SURFACE MOUNT ZENER DIODE
A B
C
D
E
G
H
J
SOD-123
Dim
Min
Max
A
3.55
3.85
B
2.55
2.85
C
1.40
1.70
D
--
1.35
E
0.55 Typical
G
0.25
--
H
0.15 Typical
J
--
0.10
All Dimensions in mm
·
Case: SOD-123, Plastic
·
UL Flammability Classification Rating 94V-0
·
Moisture sensitivity: Level 1 per J-STD-020A
·
Terminals: Solderable per MIL-STD-202,
Method 208
·
Polarity: Cathode Band
·
Marking: Date Code and Marking Code or Date
Code only, See Sheet 3
·
Weight: 0.01 grams (approx.)
·
Ordering Information: See Sheet 3
Electrical Characteristics
@ T
A
= 25
°C unless otherwise specified
Type
Number
Marking
Code
(Note 3)
Zener Voltage Range
(Note 2)
Maximum Zener
Impedance (Note 4)
Maximum
Reverse
Current
(Note 2)
Typical
Temperature
Coefficient
@ I
ZTC
mV/
°C
Test
Current
I
ZTC
V
z
@I
ZT
I
ZT
Z
ZT @
I
ZT
Z
ZK
@ I
ZK
I
ZK
I
R
@ V
R
Nom (V)
Min (V)
Max (V)
mA
W
mA
uA
V
Min
Max
mA
BZT52C43
WU/WY
43
40.0
46.0
5
100
700
1.0
0.1
32
10.0
12.0
5
BZT52C47
WV/WZ
47
44.0
50.0
5
100
750
1.0
0.1
35
10.0
12.0
5
BZT52C51
WW/X1
51
48.0
54.0
5
100
750
1.0
0.1
38
10.0
12.0
5
DS30363 Rev. 2 - 2
2 of 3
BZT52C43 - BZT52C51
www.diodes.com
0
0.1
0.2
0.3
0.4
0.5
25
0
50
75
100
125
150
P,
P
O
WER
D
ISSIP
A
T
I
O
N(
W
)
D
T , AMBIENT TEMPERATURE (
°C)
A
Fig. 1 Power Dissipation vs Ambient Temperature
0.6
0
2
4
6
8
10
10
20
30
40
50
60
70
80
90 100
I
,
ZENER
CURRENT
(mA)
Z
V , ZENER VOLTAGE (V)
Z
Fig. 2 Zener Breakdown Characteristics
C43
C47
C51
T = 25°C
j
C
,
T
O
T
A
L
C
AP
ACIT
ANCE
(pF)
T
1
10
100
100
10
V , NOMINAL ZENER VOLTAGE (V)
Z
Fig. 3 Total Capacitance vs Nominal Zener Voltage
T = 25 °C
j
V = 1V
R
V = 2V
R
DS30363 Rev. 2 - 2
3 of 3
BZT52C43 - BZT52C51
www.diodes.com
Month
Jan
Feb
March
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Code
1
2
3
4
5
6
7
8
9
O
N
D
Year
2000
2001
2002
2003
2004
Code
M
N
P
R
S
Date Code Key
XX = Product Type Marking Code (See Page 2)
YM = Date Code Marking
Y = Year (ex: P = 2002)
M = Month (ex: 9 = September)
XX
YM
Marking Information for Parts marked WY, WZ or X1
Device
Packaging
Shipping
BZT52CXX-7 (Note 6)
SOD-123
3000/Tape & Reel
Ordering Information
(Note 5)
Notes:
5. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
6. Replace "XX" with the nominal Zener breakdown voltage; i.e. Part number for 43V device would be BZT52C43-7.
Marking Information for Parts marked WU, WV or WW
XX = Product Type Marking Code (See Page 2)
YM = Date Code Marking
Y = Year (ex: N = 2002)
M = Month (ex: 9 = September)
XX
YM
Month
Jan
Feb
March
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Code
1
2
3
4
5
6
7
8
9
O
N
D
Year
1998
1999
2000
2001
2002
2003
2004
Code
J
K
L
M
N
O
P
Date Code Key
PDF 
ZIP