WOST12 [WEITRON]
Surface Mount TVS Diode Array for ESD Protection; 表面贴装TVS二极管阵列的ESD保护
| 型号： | WOST12 |
| 厂家： | 
WEITRON TECHNOLOGY |
| 描述： | Surface Mount TVS Diode Array for ESD Protection |
| 文件： | 总3页 (文件大小：105K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
WOST04 thru
WOST12
Surface Mount TVS Diode Array
for ESD Protection
TRANSIENT
VOLTAGE
SUPPRESSORS
300 WATTS
P b
Lead(Pb)-Free
4-12 VOLTS
Description:
* The WOSTxx is a transient voltage suppressor designed to
protect components which are connected to data and
transmission lines against ESD. It clamps the voltage just
above the logic level supply for positive transients, and to
a diode drop below ground for negative transients.
3
1
2
Features:
* Unidirectional Transil functions
SOT-23
* Low leakage current: I max< 20 μA at V
R
RM
* 300W peak pulse power(8/20μs)
* Transient protection for data lines as per
IEC61000-4-2(ESD) 15KV(air) 8KV(contact)
IEC61000-4-5(Lightning) see I
below
PPM
Mechanical Data:
* Case : Molded Epoxy
* Marking : Marking Code
* Weight : 0.008 grams(approx)
SOT-23 Outline Dimensions
Unit:mm
A
Dim
A
B
C
D
Min
0.35
1.19
2.10
0.85
0.46
1.70
2.70
0.01
0.89
0.30
0.076
Max
0.51
1.40
3.00
1.05
1.00
2.10
3.10
0.13
1.10
0.61
0.25
B
C
TOP VIEW
E
D
G
G
H
J
K
L
E
H
K
J
L
M
M
WEITRON
http://www.weitron.com.tw
25-Apr-07
1/3
WOST04 thru
WOST12
Maximum Ratings(TA=25˚C Unless Otherwise Noted)
Characteristic
Symbol
Value
Unit
PPP
Peak Pulse Power Dissipation (tP= 8/20μs)
Lead Soldering Temperature
300
W
TL
TJ
260(10s)
150
°C
°C
°C
Junction Temperature Range
Operating Temperature Range
Storage Temperature Range
Top
Tstg
-40 to +125
-55 to +150
°C
kv
Electrostatic Discharge
IEC61000-4-2 air discharge
IEC61000-4-2 contact discharge
15
8
Vpp
Electrical Characteristics(T =25˚C Unless Otherwise Noted)
A
Max
Pulse Peak
Current
Max
Reverse
Leakage
Max
Clamping Clamping
Max
Breakdown
Voltage
Reverse
Stand off
Voltage
Capacitance
Marking
Code
Part
Number
Voltage
Voltage
@0V,IMHZ
VBR@1mA
@V
tp=8/20us
@5A
RWM
@1A
I (µA)
R
V
(V)
MIN(V)
Vc(V)
Vc(V)
(PF)
(A)
RWM
WOST04
WOST05
WOST08
WOST12
04
05
08
12
20
20
4.0
5.0
5.0
6.0
8.5
9.8
10.5
12.5
15.0
28
17
17
15
12
300
220
190
150
5.0
1.0
8.0
8.5
13.4
19.0
12.0
13.3
Eqivalent Circuit Diagram:
directional
Configuration
WEITRON
http://www.weitron.com.tw
2/3
25-Apr-07
WOST04 thru
WOST12
10
1
110
100
90
80
70
60
50
40
30
20
10
0
Peak Pluse Power
8/20µs
Average Power
0.1
0
25
50
Lead
75
100
L (ºC)
125
150
0.01
0.1
1
10
Pulse Duration - t (µs)
100
1000
Temperature - T
d
FIG.2 Power Derating Curve
FIG.1 Peak Pulse Power vs. Pulse Time
110
tf
Test
Waveform
Parameters
100
90
80
70
60
50
40
30
20
10
0
Peak Value Ipp
t = 8µs
f
t = 20µs
d
-t
e
t
td= IPP/2
0
5
10
15
20
25
30
Time (µs)
FIG.3 Pulse Waveform
WEITRON
http://www.weitron.com.tw
3/3
25-Apr-07
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