SPICE MODELS: BZX84C43 BZX84C47 BZX84C51
BZX84C43 - BZX84C51
350mW SURFACE MOUNT ZENER DIODE
Features
·
·
·
·
·
Planar Die Construction
350mW Power Dissipation
Zener Voltages from 43V - 51V
Ideally Suited for Automated Assembly Processes
Available in Lead Free/RoHS Compliant Version (Note 3)
TOP VIEW
SOT-23
A
Dim
A
B
C
Min
0.37
1.20
2.30
0.89
0.45
1.78
2.80
0.013
0.903
0.45
0.085
0°
Max
0.51
1.40
2.50
1.03
0.60
2.05
3.00
0.10
1.10
0.61
0.180
8°
B
C
D
E
G
M
L
Mechanical Data
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·
·
·
·
·
·
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Case: SOT-23
Case Material: Molded Plastic. UL Flammability
Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020C
Terminals: Solderable per MIL-STD-202, Method 208
Also Available in Lead Free Plating (Matte Tin Finish
annealed over Alloy 42 leadframe). Please see Ordering
Information, Note 7, on Page 3
Polarity: See Diagram
Marking: Type Code and Date Code, See Page 3
Type Code: See Table on Page 2
Weight: 0.008 grams (approximate)
E
D
G
H
K
J
H
J
K
L
M
a
All Dimensions in mm
TOP VIEW
Maximum Ratings
Forward Voltage
Power Dissipation (Note 1)
Power Dissipation (Note 2)
@ T
A
= 25°C unless otherwise specified
Symbol
@ I
F
= 10mA
V
F
P
d
P
d
R
qJA
R
qJA
T
j,
T
STG
Value
0.9
300
350
417
357
-65 to +150
Unit
V
mW
mW
°C/W
°C/W
°C
Characteristic
Thermal Resistance, Junction to Ambient Air (Note 1)
Thermal Resistance, Junction to Ambient Air (Note 2)
Operating and Storage Temperature Range
Notes:
1. Device mounted on FR-4 PC board with recommended pad layout, which can be found on our website at
http://www.diodes.com/datasheets/ap02001.pdf.
2. Valid provided the terminals are kept at ambient temperature.
3. No purposefully added lead.
DS30370 Rev. 3 - 2
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BZX84C43 - BZX84C51
ã
Diodes Incorporated
Electrical Characteristics
@ T
A
= 25°C unless otherwise specified
Zener Voltage
Range
(Note 5)
Maximum Zener
Impedance
(Note 4)
I
ZT
(mA)
2.0
2.0
2.0
Z
ZT
@
I
ZT
(W)
150
170
180
Z
ZK
@ I
ZK
(W)
375
375
400
(mA)
0.5
0.5
0.5
Maximum Reverse
Current
(Note 5)
I
R
(mA)
0.1
0.1
0.1
V
R
(V)
30.1
32.9
35.7
10.0
10.0
10.0
12.0
12.0
12.0
Typical Temperature
Coefficient
@ I
ZT
mV/°C
Min
Max
Type
Number
Type
Code
V
Z
@ I
ZT
Nom (V) Min (V) Max (V)
BZX84C43
BZX84C47
BZX84C51
Notes:
Y15/KYF
Y16/KYG
Y17/KYH
43
47
51
40.0
44.0
48.0
46.0
50.0
54.0
4. f = 1KHz.
5. Short duration test pulse used to minimize self-heating effect.
500
10
T
j
= 25°C
C47
C43
C51
P
d
, POWER DISSIPATION (mW)
I
Z
, ZENER CURRENT (mA)
400
8
300
Note 1
Note 2
6
200
4
Test Current I
Z
2mA
100
2
0
0
100
200
0
T
A
, Ambient Temperature, (°C)
Fig. 1 Power Derating Curve
100
T
j
= 25°C
f = 1MHz
20
30
40
50
60
V
Z
, ZENER VOLTAGE (V)
Fig. 2 Zener Breakdown Characteristics
10
70
C
T
, TOTAL CAPACITANCE (pF)
V
R
= 1V
10
V
R
= 2V
1
10
100
V
Z
, NOMINAL ZENER VOLTAGE (V)
Fig. 3 Total Capacitance vs Nominal Zener Voltage
DS30370 Rev. 3 - 2
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BZX84C43 - BZX84C51
Ordering Information
Device
(Note 6)
Packaging
SOT-23
Shipping
3000/Tape & Reel
(Type Number)-7*
* Add “-7” to the appropriate type number in Table 1 (on Page 2). Example: 43V Zener = BZX84C43-7.
Notes:
6. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
7. For Lead Free/RoHS Compliant version part number, please add "-F" suffix to the part number above. Example: BZX84C43-7-F.
Marking Information (This part may be marked as Figure A or B Below)
Figure A
KXX
KXX = Product Type Marking Code (See Page 2)
YM = Date Code Marking
Y = Year ex: N = 2002
M = Month ex: 9 = September
Date Code Key
Year
Code
Month
Code
Jan
1
2001
M
Feb
2
March
3
2002
N
Apr
4
2003
P
May
5
2004
R
Jun
6
Jul
7
2005
S
Aug
8
2006
T
Sep
9
2007
U
Oct
O
2008
V
Nov
N
2009
W
Dec
D
YM
XX
2003
R
Apr
4
Figure B
XX = Product Type Marking Code (See Page 2)
YM = Date Code Marking
Y = Year ex: N = 2001
M = Month ex: 9 = September
Date Code Key
Year
Code
Month
Code
2000
M
Jan
1
2001
N
Feb
2
2002
P
March
3
2004
S
May
5
Jun
6
Jul
7
2005
T
Aug
8
2006
U
Sep
9
Oct
O
2007
V
Nov
N
2008
W
Dec
D
DS30370 Rev. 3 - 2
YM
3 of 3
www.diodes.com
BZX84C43 - BZX84C51
Embedded System
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