BZT52C2V4S BZT52C51S 1 of 5 © 2006 Won-Top Electronics
Pb
BZT52C2V4S – BZT52C51S
200mW SURFACE MOUNT ZENER DIODE
Features
Planar Die Construction
200mW Power Dissipation A
2.4 51V Nominal Zener Voltage
5% Standard Vz Tolerance
Designed for Surface Mount Application C
Plastic Material UL Recognition Flammability D
Classification 94V-O B
E
Mechanical Data H
Case: SOD-323, Molded Plastic G
Terminals: Plated Leads Solderable per J
MIL-STD-202, Method 208
Polarity: Cathode Band
Weight: 0.004 grams (approx.)
Marking: Device Code, See Page 2
Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 5
Maximum Ratings @TA=25°C unless otherwise specified
Characteristic Symbol Value Unit
Peak Pulse Power Dissi pation at TA = 25°C (Note 1) Pd 200 mW
Forward Voltage @ IF = 10mA VF 0.9 V
Thermal Resistance Junction to A mbient (Note 1) RθJA 625 °C/W
Operating and Storage Temperature Range Tj, TSTG -65 to +150 °C
Note: 1. Valid provi ded that device terminals are kept at ambient temperature.
WTE
POWER SEM IC ON DUC TOR S
SOD-323
Dim Min Max
A 2.30 2.75
B 1.60 1.80
C 1.15 1.35
D 0.25 0.40
E 0.09 0.18
G 0.08 —
H 0.80 1.00
J — 0.12
All Dimensions in mm
BZT52C2V4S BZT52C51S 2 of 5 © 2006 Won-Top Electronics
Electrical Characteristics @TA=25°C unless otherwise specified
Zener Voltage Range
(Note 3) Maximum Zener Impedance
(Note 4) Max Reverse
Leakage Current
Device
Marking
Code
(Note 2) VZ @ IZT ZZT @ IZT ZZK @ IZK IR @ VR
Temp.
Coefficient of
Zener Voltage
@ IZT
mV / °C
Type
Number
(Note 1)
TW CN Nom (V) Min (V) Max (V) (Ω
ΩΩ
Ω)(mA)(Ω
ΩΩ
Ω) (mA) (µA) (V) Min Max
BZT52C2V4S
BZT52C2V7S
BZT52C3S
BZT52C3V3S
W1
W2
W3
W4
WX
W1
W2
W3
2.4
2.7
3.0
3.3
2.2
2.5
2.8
3.1
2.6
2.9
3.2
3.5
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
BZT52C3V6S
BZT52C3V9S
BZT52C4V3S
BZT52C4V7S
W5
W6
W7
W8
W4
W5
W6
W7
3.6
3.9
4.3
4.7
3.4
3.7
4.0
4.4
3.8
4.1
4.6
5.0
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
BZT52C5V1S
BZT52C5V6S
BZT52C6V2S
BZT52C6V8S
W9
WA
WB
WC
W8
W9
WA
WB
5.1
5.6
6.2
6.8
4.8
5.2
5.8
6.4
5.4
6.0
6.6
7.2
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
BZT52C7V5S
BZT52C8V2S
BZT52C9V1S
BZT52C10S
WD
WE
WF
WG
WC
WD
WE
WF
7.5
8.2
9.1
10
7.0
7.7
8.5
9.4
7.9
8.7
9.6
10.6
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
BZT52C11S
BZT52C12S
BZT52C13S
BZT52C15S
WH
WI
WK
WL
WG
WH
WI
WJ
11
12
13
15
10.4
11.4
12.4
13.8
11.6
12.7
14.1
15.6
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
10.0
11.0
13.0
BZT52C16S
BZT52C18S
BZT52C20S
BZT52C22S
WM
WN
WO
WP
WK
WL
WM
WN
16
18
20
22
15.3
16.8
18.8
20.8
17.1
19.1
21.2
23.3
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
14.0
15.4
10.4
12.4
14.4
16.4
14.0
16.0
18.0
20.0
BZT52C24S
BZT52C27S
BZT52C30S
BZT52C33S
WR
WS
WT
WU
WO
WP
WQ
WR
24
27
30
33
22.8
25.1
28.0
31.0
25.6
28.9
32.0
35.0
70
80
80
80
5.0
2.0
2.0
2.0
250
300
300
325
1.0
0.5
0.5
0.5
0.1
0.1
0.1
0.1
16.8
18.9
21.0
23.1
18.4
21.4
24.4
27.4
22.0
25.3
29.4
33.4
BZT52C36S
BZT52C39S
BZT52C43S
BZT52C47S
BZT52C51S
WW
WX
WY
WZ
XA
WS
WT
WU
WV
WW
36
39
43
47
51
34.0
37.0
40.0
44.0
48.0
38.0
41.0
46.0
50.0
54.0
90
130
100
100
100
2.0
2.0
5.0
5.0
5.0
350
350
700
750
750
0.5
0.5
1.0
1.0
1.0
0.1
0.1
0.1
0.1
0.1
25.2
27.3
32.0
35.0
38.0
30.4
33.4
10.0
10.0
10.0
37.4
41.2
12.0
12.0
12.0
Note: 1. Type num bers listed have standard toleranc e on the nominal zener voltage of ±5%.
2. TW: Marking code for Taiw an plant. CN: Marking code for China plant.
3. Measured with pulses tp = 5ms.
4. f = 1KHz
BZT52C2V4S BZT52C51S 3 of 5 © 2006 Won-Top Electronics

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
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
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
C , JUNCTION CAPACITANCE (pF)
j
10
100
1000
10 100
1
V , NOMINAL ZENER VOLTAGE (V)
Fig. 4 Junction Capacitance vs Nominal Zener Voltage
Z
T=25°C
j
V=1V
R
V=2V
R
V=1V
R
V=2V
R
BZT52C2V4S BZT52C51S 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 7.0
Cathode = Polarity Band
xx = Device Code, See Page 2
xx
0.025
(0.63)
inches
(
mm
)
0.033
(0.83)
0.063
(1.60)
178mm
Product ID Label 8mm
Directi on of Unreeli ng
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
BZT52C2V4S BZT52C51S 5 of 5 © 2006 Won-Top Electronics
ORDERING INFORMATION
Product No. Package Type Shipping Quantity
BZT52CxxS-T1 SOD-323 3000/Tape & Reel
1. Shi ppi ng qu anti t y giv en is for minim um pack ing qu antity only. For minimum
order quantity, please consult the Sales Department.
2. To or d er RoHS / Lead Fre e ver si on ( wi t h Lea d Fr ee finish), ad d “-L F”
suffix to part number abo ve. For ex a m ple, BZT52C2V4S-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., Kaohs i ung, Taiwan
Phone: 886-7-822-5408 or 886-7-822-5410
Fax: 886-7-822-5417
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