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WON-TOP ELECTRONICS
Features
Planar Die Construction
350mW Power Dissipation
2.4V – 51V Nominal Zener Voltage
5% Standard Vz Tolerance
Designed for Surface Mount Application
Plastic Material – UL Recognition Flammability
Classification 94V-0
B
Mechanical Data
Case: SOT-23, Molded Plastic
K
Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
Polarity: See Diagram
Weight: 0.008 grams (approx.)
Mounting Position: Any
Marking: Device Code
Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 5
BZX84C2V4 – BZX84C51
350mW SURFACE MOUNT ZENER DIODE
Pb
L
A
C
ED
H
J
G
TOP VIEW
M
SOT-23
Dim Min Max
A
0.37
0.51
B
1.19
1.40
C
2.10
2.50
D
0.89
1.05
E
0.45
0.61
G
1.78
2.05
H
2.65
3.05
J
0.013
0.15
K
0.89
1.10
L
0.45
0.61
M 0.076 0.178
All Dimensions in mm
Maximum Ratings @TA=25°C unless otherwise specified
Characteristic
Peak Pulse Power Dissipation at TA = 25°C (Note 1)
Forward Voltage @ IF = 10mA
Thermal Resistance Junction to Ambient (Note 1, 2)
Operating and Storage Temperature Range
Symbol
PD
VF
R JA
Tj, TSTG
Note: 1. Mounted on FR-4 PCB with minimum recommended pad layout.
2. Thermal resistance measurement obtained via infrared scan method.
Value
350
0.9
357
-65 to +150
Unit
mW
V
°C/W
°C
© Won-Top Electronics Co., Ltd.
Revision: September, 2012
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BZX84C2V4 – BZX84C51
0.5
0.4
Mounted on FR-4 PCB with
Minimum Recommended
0.3 Pad Layout
0.2
0.1
0
0
25
20
15
10
5
25 50 75 100 125
TA, AMBIENT TEMPERATURE (°C)
Fig. 1 Power Derating Curve
150
10
12
15
18
TJ = 25°C
22
27
33
36
0
0
1000
5 10 15 20 25 30 35 40 45 50
VZ, ZENER VOLTAGE (V)
Fig. 3 Zener Breakdown Characteristics
100
TJ = 100°C
10
TJ = 25°C
1
0
0.2 0.4 0.6 0.8 1.0
VF, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 5 Typical Forward Characteristics
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®
20
TJ = 25°C
2V4
2V7
3V0
15 3V3
3V6
3V9
4V3
10
4V7
5V1
5
WON-TOP ELECTRONICS
5V6 6V8 8V2
6V2 7V5 9V1
0
0 1 2 3 4 5 6 7 8 9 10
VZ, ZENER VOLTAGE (V)
Fig. 2 Zener Breakdown Characteristics
10
39 47
TJ = 25°C
43 51
8
6
4
2
0
0 10 20 30 40 50 60 70 80 90 100
VZ, ZENER VOLTAGE (V)
Fig. 4 Zener Breakdown Characteristics
1000
TJ = 25°C
f = 1MHz
@ 0V Bias
100 @ 1V Bias
10
1
10 100
VZ, NOMINAL ZENER VOLTAGE (V)
Fig. 6 Junction Capacitance vs. Nominal Zener Voltage
© Won-Top Electronics Co., Ltd.
Revision: September, 2012

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®
WON-TOP ELECTRONICS
BZX84C2V4 – BZX84C51
Electrical Characteristics (@TA=25°C unless otherwise specified) Table 1
Type
Number
(Note 1)
Device
Marking
Code
(Note 2)
Zener Voltage Range
(Note 3)
VZ @ IZT
Maximum Zener Impedance
(Note 4)
ZZT @ IZT
ZZK @ IZK
Max Reverse
Leakage Current
IR @ VR
Temp.
Coefficient of
Zener Voltage
@ IZT
(mV/K)
TW CN Nom (V) Min (V) Max (V) ( ) (mA) ( ) (mA) (µA)
(V) Min Max
BZX84C2V4
BZX84C2V7
BZX84C3V0
BZX84C3V3
BZX84C3V6
BZX84C3V9
BZX84C4V3
BZX84C4V7
BZX84C5V1
BZX84C5V6
BZX84C6V2
BZX84C6V8
BZX84C7V5
BZX84C8V2
BZX84C9V1
BZX84C10
BZX84C11
BZX84C12
BZX84C13
BZX84C15
BZX84C16
BZX84C18
BZX84C20
BZX84C22
BZX84C24
BZX84C27
BZX84C30
BZX84C33
W1 Z11
W2 Z12
W3 Z13
W4 Z14
W5 Z15
W6 Z16
W7 Z17
W8 Z1
W9 Z2
WA Z3
WB Z4
WC Z5
WD Z6
WE Z7
WF Z8
WG Z9
WH Y1
WI Y2
WK Y3
WL Y4
WM Y5
WN Y6
WO Y7
WP Y8
WR Y9
WS Y10
WT Y11
WU Y12
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
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
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
15.6
17.1
19.1
21.2
23.3
25.6
28.9
32.0
35.0
100 5.0 600 1.0
100 5.0 600 1.0
95 5.0 600 1.0
95 5.0 600 1.0
90 5.0 600 1.0
90 5.0 600 1.0
90 5.0 600 1.0
80 5.0 500 1.0
60 5.0 480 1.0
40 5.0 400 1.0
10 5.0 150 1.0
15 5.0 80 1.0
15 5.0 80 1.0
15 5.0 80 1.0
15 5.0 100 1.0
20 5.0 150 1.0
20 5.0 150 1.0
25 5.0 150 1.0
30 5.0 170 1.0
30 5.0 200 1.0
40 5.0 200 1.0
45 5.0 225 1.0
55 5.0 225 1.0
55 5.0 250 1.0
70 5.0 250 1.0
80 2.0 300 0.5
80 2.0 300 0.5
80 2.0 325 0.5
50
20
10
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
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
1.0 -3.5 0
1.0 -3.5 0
1.0 -3.5 0
1.0 -3.5 0
1.0 -3.5 0
1.0 -3.5 0
1.0 -3.5 0
2.0 -3.5 0.2
2.0 -2.7 1.2
2.0 -2.0 2.5
4.0 0.4 3.7
4.0 1.2 4.5
5.0 2.5 5.3
5.0 3.2 6.2
6.0 3.8 7.0
7.0 4.5 8.0
8.0 5.4 9.0
8.0 6.0 10.0
8.0 7.0 11.0
10.5 9.2 13.0
11.2 10.4 14.0
12.6 12.4 16.0
14.0 14.4 18.0
15.4 16.4 20.0
16.8 18.4 22.0
18.9 21.4 25.3
21.0 24.4 29.4
23.1 27.4 33.4
BZX84C36
BZX84C39
BZX84C43
BZX84C47
BZX84C51
WW Y13
WX Y14
WY Y15
WZ Y16
XA Y17
36
39
43
47
51
34.0
38.0
90 2.0 350 0.5 0.05 25.2 30.4 37.4
37.0
41.0 130 2.0 350 0.5 0.05 27.3 33.4 41.2
40.0
46.0 150 2.0 375 0.5 0.05 30.1 37.6 46.6
44.0
50.0 170 2.0 375 0.5 0.05 32.9 42.0 51.8
48.0
54.0 180 2.0 400 0.5 0.05 35.7 46.6 57.2
Note: 1. Type numbers listed have standard tolerance on the nominal zener voltage of ±5%.
2. TW: Marking code for Taiwan plant. CN: Marking code for China plant.
3. Measured with pulse test current IZ at ambient temperature 25°C.
4. f = 1KHz
© Won-Top Electronics Co., Ltd.
Revision: September, 2012
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BZX84C2V4 – BZX84C51
®
WON-TOP ELECTRONICS
MARKING INFORMATION
RECOMMENDED FOOTPRINT
xx
xx = Device Code, See Table 1
0.035
(0.90)
0.035
(0.90)
0.031
(0.8)
0.079
(2.0)
0.037
(0.95)
inches(mm)
PACKAGING INFORMATION
TAPE & REEL
Inspection Hole
178mm
Product ID Label
Direction of Unreeling
4mm
8mm
8mm
4mm
1.6mm
Reel Diameter
(mm)
178
Quantity
(PCS)
3,000
Inner Box Size
L x W x H (mm)
187 x 187 x 65
Quantity
(PCS)
15,000
Carton Size
L x W x H (mm)
390 x 240 x 420
Quantity
(PCS)
150,000
Approx. Gross Weight
(KG)
10.0
Note: 1. Anti-static plastic reel, white, water clear or blue color. Inspection hole might be varied in different alignment.
2. Components are packed in accordance with EIA standard 481-1 and 481-2.
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© Won-Top Electronics Co., Ltd.
Revision: September, 2012

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®
WON-TOP ELECTRONICS
BZX84C2V4 – BZX84C51
ORDERING INFORMATION
Product No.
BZX84Cxx-T1
Package Type
SOT-23
Shipping Quantity
3000/Tape & Reel
1. Shipping quantity given is for minimum packing quantity only. For minimum
order quantity, please consult the Sales Department.
2. To order RoHS / Lead Free version (with Lead Free finish), add “-LF”
suffix to part number above. For example, BZX84C2V4-T1-LF.
WON-TOP ELECTRONICS and
are registered trademarks of Won-Top Electronics Co., Ltd (WTE). WTE has checked all information carefully and
believes it to be correct and accurate. However, WTE cannot assume any responsibility for inaccuracies. Furthermore, this information does not give the
purchaser of semiconductor devices any license under patent rights to manufacturer. WTE reserves the right to change any or all information herein
without further notice.
WARNING: DO NOT USE IN LIFE SUPPORT EQUIPMENT. WTE power semiconductor products are not authorized for use as critical components in life
support devices or systems without the express written approval.
Won-Top Electronics Co., Ltd.
No. 44 Yu Kang North 3rd Road,
Chine Chen Dist., Kaohsiung 806, Taiwan
Phone: 886-7-822-5408 or 886-7-822-5410
Fax: 886-7-822-5417
Email: sales@wontop.com
Internet: http://www.wontop.com
We power your everyday.
© Won-Top Electronics Co., Ltd.
Revision: September, 2012
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