BZX84C2V4 BZX84C51 1 of 5 © 2006 Won-Top Electronics
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BZX84C2V4 – BZX84C51
350mW SURFACE MOUNT ZENER DIODE
Features
! Planar Die Construction L
! 350mW Power Dissipation A
! 2.4 – 51V Nominal Zener Voltage
! 5% Standard Vz Tolerance
! Designed for Surface Mount Application B C
! Plastic Material – UL Recognition Flammability
Classification 94V-O M
  E D
H
Mechanical Data
! Case: SOT-23, Molded Plastic K
! Terminals: Plated Leads Solderable per J
MIL-STD-202, Method 208 G
! Polarity: See Diagram
! Weight: 0.008 grams (approx.)
! Mounting Position: Any
! Marking: Device Code, See Pa ge 2
! Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 5 TOP VIEW
Maximum Ratings @TA=25°C unless otherwise specified
Characteristic Symbol Value Unit
Peak Pulse Power Dissipation at TA = 25°C (Note 1) Pd350 mW
Forward Voltage @ IF = 10mA VF0.9 V
Thermal Resistance Junction to Ambient (Note 1) RJA 357 °C/W
Operating and Storage Temperature Range Tj, TSTG -65 to +150 °C
Note: 1. Valid provided that devic e terminals are kept at ambient t em perature.
WTE
POWER SEMICONDUCTORS
SOT-23
Dim Min Max
A0.37 0.51
B1.19 1.40
C2.10 2.50
D0.89 1.05
E0.45 0.61
G1.78 2.05
H2.65 3.05
J0.013 0.15
K0.89 1.10
L0.45 0.61
M0.076 0.178
All Dimensions in mm
BZX84C2V4 BZX84C51 2 of 5 © 2006 Won-Top Electronics
Electrical Characteristics @TA=25°C unless otherwise specified
Zener Voltage Range
(Note 2) Maximum Zener Im pedance
(Note 3) Max Reverse
Leakage Current
VZ @ IZT ZZT @ IZT ZZK @ IZK IR@ VR
Temp.
Coefficient of
Zener Voltage
@ IZT
mV / °C
Type
Number
(Note 1)
Device
Marking
Code
Nom (V) Min (V) Max (V) (
)(mA)(
)(mA)(µA) (V) MinMax
BZX84C2V4
BZX84C2V7
BZX84C3
BZX84C3V3
W1
W2
W3
W4
2.4
2.7
3.0
3.3
2.28
2.57
2.85
3.14
2.52
2.84
3.15
3.47
100
100
95
95
5.0
5.0
5.0
5.0
600
600
600
600
1.0
1.0
1.0
1.0
50
20
10
5.0
1.0
1.0
1.0
1.0
-3.5
-3.5
-3.5
-3.5
0
0
0
0
BZX84C3V6
BZX84C3V9
BZX84C4V3
BZX84C4V7
W5
W6
W7
W8
3.6
3.9
4.3
4.7
3.42
3.71
4.09
4.47
3.78
4.10
4.52
4.94
90
90
90
80
5.0
5.0
5.0
5.0
600
600
600
500
1.0
1.0
1.0
1.0
5.0
3.0
3.0
3.0
1.0
1.0
1.0
2.0
-3.5
-3.5
-3.5
-3.5
0
0
0
0.2
BZX84C5V1
BZX84C5V6
BZX84C6V2
BZX84C6V8
W9
WA
WB
WC
5.1
5.6
6.2
6.8
4.85
5.32
5.89
6.46
5.36
5.88
6.51
7.14
60
40
10
15
5.0
5.0
5.0
5.0
480
400
150
80
1.0
1.0
1.0
1.0
2.0
1.0
3.0
2.0
2.0
2.0
4.0
4.0
-2.7
-2.0
0.4
1.2
1.2
2.5
3.7
4.5
BZX84C7V5
BZX84C8V2
BZX84C9V1
BZX84C10
WD
WE
WF
WG
7.5
8.2
9.1
10
7.13
7.79
8.65
9.50
7.88
8.61
9.56
10.50
15
15
15
20
5.0
5.0
5.0
5.0
80
80
100
150
1.0
1.0
1.0
1.0
1.0
0.7
0.5
0.2
5.0
5.0
6.0
7.0
2.5
3.2
3.8
4.5
5.3
6.2
7.0
8.0
BZX84C11
BZX84C12
BZX84C13
BZX84C15
WH
WI
WK
WL
11
12
13
15
10.45
11.40
12.35
14.25
11.55
12.60
13.65
15.75
20
25
30
30
5.0
5.0
5.0
5.0
150
150
170
200
1.0
1.0
1.0
1.0
0.1
0.1
0.1
0.1
8.0
8.0
8.0
10.5
5.4
6.0
7.0
9.2
9.0
10
11
13
BZX84C16
BZX84C18
BZX84C20
BZX84C22
WM
WN
WO
WP
16
18
20
22
15.20
17.10
19.00
20.90
16.80
18.90
21.00
23.10
40
45
55
55
5.0
5.0
5.0
5.0
200
225
225
250
1.0
1.0
1.0
1.0
0.1
0.1
0.1
0.1
11.2
12.6
14
15.4
10.4
12.4
14.4
16.4
14
16
18
20
BZX84C24
BZX84C27
BZX84C30
BZX84C33
WR
WS
WT
WU
24
27
30
33
22.80
25.65
28.50
31.35
25.20
28.35
31.50
34.65
70
80
80
80
5.0
5.0
5.0
5.0
250
300
300
325
1.0
1.0
1.0
1.0
0.1
0.1
0.1
0.1
16.8
18.9
21
23.1
18.4
21.4
24.4
27.4
22
25.3
29.4
33.4
BZX84C36
BZX84C39
BZX84C43
BZX84C47
BZX84C51
WW
WX
WY
WZ
XA
36
39
43
47
51
34.20
37.05
40.85
44.65
48.45
37.80
40.95
45.15
49.35
53.55
90
130
150
170
100
5.0
5.0
5.0
5.0
5.0
350
350
375
375
400
1.0
1.0
1.0
1.0
1.0
0.1
0.1
0.1
0.1
0.1
25.2
27.3
30.1
32.9
38
30.4
33.4
10.0
10.0
10.0
37.4
41.2
12
12
12
Note: 1. Type numbers listed have standard t ol erance on the nominal zener vol tage of ±5%.
2. Measured with pulses tp = 5ms.
3. f = 1KHz
BZX84C2V4 BZX84C51 3 of 5 © 2006 Won-Top Electronics
0
10
20
30
40
50
01 2 3 4 5 6 78910
I , ZENER CURRENT (mA)
Z
V , ZENER VOLTAGE (V)
Fi
g
. 2 Zener Breakdown Characteristics
Z
T = 25°C
jC2V7
C3V3
C3V9
C4V7
C5V6
C6V8
C8V2
Test Current I
5.0mA
Z
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)
Fi
g
. 4 Zener Breakdown Characteristics
Z
Tj = 25°C
Test Current I
2mA
Z
C39
C43
C47
C51
C , JUNCTION CAPACITANCE (pF)
j
10
100
1000
10 100
1
V , NOMINAL ZENER VOLTAGE (V)
Fig. 5 Junction Capacitance vs Nominal Zener Voltage
Z
T = 25 °C
j
V=1V
R
V=2V
R
V=1V
R
V=2V
R
400
T , Ambient Temperature, (°C)
A
Fi
g
. 1 Power Deratin
g
Curve
P , Power Dissipation (mW)
d
See Note 1
200
100
300
0
5
00
0100 200
0
10
20
30
0
I , ZENER CURRENT (mA)
Z
V , ZENER VOLTAGE (V)
Fi
g
. 3 Zener Breakdown Characteristics
Z
10 20 30 40
T = 25°C
j
Test current I
5mA
Z
Test current I
2mA
Z
C10
C12
C18
C22
C27
C33 C36
C15
BZX84C2V4 BZX84C51 4 of 5 © 2006 Won-Top Electronics
MARKING INFORMATION
RECOMMENDED FOOTPRINT
PACKAGING INFORMATION
Reel Diameter
(mm) Quantity
(PCS) Inner Box Size
L x W x H (mm) Quantity
(PCS) Carton Size
L x W x H (mm) Quantity
(PCS) Approx. Gross Weight
(KG)
178 3,000 187 x 187 x 65 15,000 390 x 240 x 420 150,000 10.0
xx = Device Code, See Page 2
xx
inches
(
mm
)
0.035
(0.90)
0.031
(0.8)
0.035
(0.90)
0.079
(2.0)
0.037
(0.95)
178mm
Product ID Label 8mm
Directi on of Unreeling
8mm
4mm 1.6mm
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.
Inspection Hole
TAPE & REEL
4mm
BZX84C2V4 BZX84C51 5 of 5 © 2006 Won-Top Electronics
ORDERING INFORMATION
Product No. Package Type Shipping Quantity
BZX84Cxx-T1 SOT-23 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 Co., Ltd (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.
We power your everyday.
Won-Top Electronics Co., Ltd.
No. 44 Yu Kang North 3rd Road, Chine Chen Dist., Kaohsiung, 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