SPD9231A
SPD9231A
1-Line, Bi-directional, Thyristor Surge Suppressors
http//:www.sh-willsemi.com
Descriptions
The SPD9231A is a bi-directional TSS (Thyristor Surge
Suppressors) which can provide ESD protection for IC. It is
specifically designed to protect telecom equipments from
damaging overvoltage transients.
The SPD9231A is used to enable equipments to meet
various regulatory requirements including ITU-T K.20, K.21
and IEC 61000-4-5
SMA
.
The SPD9231A is available in SMA package. Standard
products are Pb-free and Halogen-free.
Features
Peak off-state voltage: ±6.0V Max
Excellent capability of absorbing transient surge
Quick response to surge voltage
Eliminate voltage overshoot caused by fast-rising
transients
Low leakage current:
Solid-state silicon technology, non degenerative
Schematic Diagram
Applications
9231A
Audio/Video line
Network and telecom
Data lines and security systems
Serial ports
BNC interface
AA
= Device code
DVR
Y
= Year code
W
= Week code
AAYW
Marking (Top View)
Order information
Will Semiconductor Ltd.
1
Device
Package
Shipping
SPD9231A-2/TR
SMA
5000/Tape&Reel
Revision 1.4, 2017/05/04
SPD9231A
o
Electrical characteristics (TA=25 C, unless otherwise noted)
IDRM
VS
VBR
V
μA
V
V
Max.
Max.
Min.
1
12.5
6.2
Part
Number
SPD9231A
1
VDRM
6.0
2
IS
IH
VT
IT
CO
mA
mA
V
A
pF
Max.
Max.
150
4
800
Max.
2.2
100
Notes:
1)
VBR is measured at IBR=1mA.
2)
Off-state capacitance is measured at f = 1MHz, VDC = 2V.
Surge Ratings
5/320μs
1)
Part Number
10/700μs
SPD9231A
2)
4000 V
Notes:
1)
Current waveform.
2)
Voltage waveform.
Thermal considerations Thermal considerations
Parameter
Operation junction temperature
Storage temperature
Rating
TJ
-40~150
o
-55~150
o
260
o
TSTG
Lead temperature
TL
RθJA
Junction to ambient thermal resistance
Will Semiconductor Ltd.
Symbol
2
90
Unit
C
C
C
o
C/W
Revision 1.4, 2017/05/04
SPD9231A
o
IPP - Peak Pulse Current - %IPP
Typical characteristics (TA=25 C, unless otherwise noted)
I
IDRM
Peak off-state current
VS
Switching voltage
IS
Switching current
IH
Holding current
VT
On-state voltage
IT
On-state current
Peak Value
tr = rise time to peak value
td = decay time to half value
100
VDRM Peak off-state voltage
IT
IS
IH
IDRM
VT
VDRM
VS V
Waveform = tr × td
Half Value
50
0
td
tr
Definitions of electrical characteristics
t-Time (μs)
Peak pulse current waveform
10
2.00
1.75
6
Ratio of IH/IH(TC=25℃)
Percent of VS Change - %
8
4
2
25℃
0
-2
1.50
1.25
25℃
1.00
0.75
0.50
-4
0.25
-6
-25
0
25
50
75
100
125
-25
150
Normalized VS Change vs. Junction Temperature
Will Semiconductor Ltd.
0
25
50
75
100
125
150
Case Temperature(TC) - ℃
Junction Temperature(TJ) - ℃
Normalized Holding Current vs. Case Temperature
3
Revision 1.4, 2017/05/04
SPD9231A
Package outline dimensions
SMA
Symbol
Recommend land pattern (Unit: mm)
Dimensions in millimeter
Min.
Max.
A
3.990
4.500
B
2.540
2.790
C
4.930
5.280
D
1.250
1.650
E
0.152
0.305
F
1.980
2.290
G
0.780
1.520
H
-
0.203
Notes:
This recommended land pattern is for reference
purposes only. Please consult your manufacturing
group to ensure your PCB design guidelines are met.
Will Semiconductor Ltd.
4
Revision 1.4, 2017/05/04
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