WOST04C thru
WOST15C
Surface Mount TVS Diode Array
for ESD Protection
P b
Lead(Pb)-Free
Features:
* Transient Protection for data lines as per IEC 61000-4-2(ESD)15KV(air),
8KV(contact)
* 300 Watts Peak Power Protection. (tp=8/20µS)
* Protects Two Unidirectional Lines with pin3 used as a common anode
Connection or One Bidirectional Line between pin1 & pin2
* Low Leakage Current
* Excellent Clamping Capability
TRANSIENT VOLTAGE
SUPPRESSORS
300 WATTS
4-15 VOLTS
3
1
2
SOT-23
Mechanical Data:
* Case : Molded Epoxy
* Marking : Marking Code
* Weight : 0.008 grams(approx)
SOT-23 Outline Dimensions
A
Unit:mm
TOP VIEW
B
C
E
G
H
D
K
L
J
M
Dim
A
B
C
D
E
G
H
J
K
L
M
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
WEITRON
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1/3
Rev.E 18-Sep-09
WOST04C thru
WOST15C
Maximum Ratings(T
A
=25˚C Unless Otherwise Noted)
Characteristic
Symbol
Votle
Unit
Peak Pulse Power Dissipation (t
P
Thermal Resistance, Junction to Ambient
Lead Soldering Temperature
Operating Temperature Range
Storage Temperature Range
P
PK
R
θJA
T
L
T
J
T
stg
300
556
260(10s)
-55 to +125
-55 to +150
W
°C/W
°C
°C
°C
Electrical Characteristics
Rated
Stand-off
Voltage
Maximum
Leakage
Current
Minimum
Breakdown
Voltage
Maximum
Clamping
Voltage
Maximum
Pulse Peak
Current
Maximum
Capacitance
Part Numbers
@ V
RM
V
RM
V
I
RM
µA
20.0
20.0
5.0
1.0
1.0
1mA
V
BR
V
5.0
6.0
8.5
13.3
16.7
1A
1
V
CL
V
8.5
9.8
13.4
19.0
24
5A
1
V
10.5
12.5
15.0
28.0
39.0
tp=8/20us
I
PPM
A
17
17
15
12
10
0v, 1MHz
C
pF
300
220
190
90
60
WOST04C
WOST05C
WOST08C
WOST12C
WOST15C
4.0
5.0
8.0
12.0
15.0
1. 8/20 waveform used. (see g2.)
Eqivalent Circuit Diagram:
Bidirectional
Configuration
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WEITRON
2/3
Rev.E 18-Sep-09
WOST04C thru
WOST15C
Electrical Parameter
Symbol
V
RM
V
BR
V
CL
I
RM
I
PPM
Parameter
Stand-off voltage
Breakdown
voltage
Clamping
voltage
Leakage
current
Peak
pulse current
Typical Characteristics
Fig1. Peak Pulse Power VS Pulse Time
Fig2. Pulse Waveform
Fig3.Power Derating
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WEITRON
3/3
Rev.E 18-Sep-09
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