Portable communications, computing and video equipment manufacturers are
challenging the semiconductor industry to develop increasingly smaller electronic
components.
Bourns offers Transient Voltage Suppressor Diodes for surge and ESD protection
applications in SOD323 package size format. The Transient Voltage Suppressor Diode
series offers a choice of voltage types ranging from 5 V to 24 V in a unidirectional or
bidirectional configuration.
Bourns
®
Chip Diodes conform to JEDEC standards, are easy to handle on standard
pick and place equipment and their flat configuration minimizes roll away. The Bourns
®
device will assist compliance with IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT) and IEC
61000-4-5 (Surge) requirements.
Note: For 12 V and 24 V VDSL applications, the CDSOD323-TxxC-DSL family of
devices is recommended.
Electrical & Thermal Characteristics (@ T
A
= 25 °C Unless Otherwise Noted)
Parameter
Unidirectional Peak Pulse Power (t
p
= 8/20 µs)
Bidirectional Peak Pulse Power (t
p
= 8/20 µs)
Operating Temperature
Storage Temperature
ESD Protection (per IEC 61000-4-2)
Contact - Min.
Contact - Max.
Air - Min.
Air - Max.
Symbol
P
PP
P
PP
T
STG
ESD
UNIDIRECTIONAL
1
BIDIRECTIONAL
1
2
2
Value
350
250
-55 to +150
-55 to +150
±8
±30
±15
±30
CDSOD323-
Unit
W
W
ºC
ºC
kV
T
L
Parameter
Min. Breakdown Voltage @ 1 mA
Working Peak Voltage
Maximum Clamping Voltage @ I
P
= 1 A
Typical Clamping Voltage
@ 8/20 µs @ I
PP
Maximum Leakage Current @ V
WM
Typical Capacitance @ 0 V, 1 MHz
Symbol
V
BR
V
M
V
C
V
C
I
D
C
P
Uni-
T05L
6.0
5.0
9.8
18.3 V @
15 A
5
Bi-
T05LC
6.0
5.0
9.8
18.3 V @
15 A
5
Uni-
T08L
8.5
8.0
13.4
18.3 V @
15 A
2
1.0
Bi-
T08LC
8.5
8.0
13.4
18.3 V
@ 15 A
2
Uni-
T12L
13.3
12.0
19.0
28.6 V @
11 A
1
Bi-
T12LC
13.3
12.0
19.0
28.6 V @
11 A
1
Unit
V
V
V
V
µA
pF
Notes:
1. Part numbers with suffix “C” indicate bidirectional device, i.e. CDSOD323-T05LC.
2. For bidirectional devices only, the electrical specifications apply in both directions.
3. Unidirectional only: Positive potential is applied from pin 1 to 2.
*No lead detected in standard tests of homogeneous materials.
**RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
CDSOD323-TxxLC - TVS Diode Series
Electrical & Thermal Characteristics (@ T
A
= 25 °C Unless Otherwise Noted)
CDSOD323-
Parameter
Min. Breakdown Voltage @ 1 mA
Working Peak Voltage
Maximum Clamping Voltage @ I
P
= 1 A
Typical Clamping Voltage
@ 8/20 µs @ I
PP
Maximum Leakage Current @ V
WM
Typical Capacitance @ 0 V, 1 MHz
Symbol
V
BR
V
M
V
C
V
C
I
D
C
J
Uni-
T15L
16.7
15.0
24.0
31.8 V
@ 10 A
Bi-
T15LC
16.7
15.0
24.0
31.8 V
@ 10 A
Uni-
T18L
20.0
18.0
29.0
45.0 V
@8A
1
1.0
Bi-
T18LC
20.0
18.0
29.0
45.0 V
@8A
Uni-
T24L
26.7
24.0
43.0
56.0 V
@6A
Bi-
T24LC
26.7
24.0
43.0
56.0 V
@6A
Unit
V
V
V
V
µA
pF
Notes:
1. Part numbers with suffix “C” indicate bidirectional device, i.e. CDSOD323-T05LC.
2. For bidirectional devices only, the electrical specifications apply in both directions.
3. Unidirectional only: Positive potential is applied from pin 1 to 2.
Performance Graphs
Peak Pulse Power vs. Pulse Time
10,000
P
PP
– Peak Pulse Current (W)
Pulse Waveform
120
I
PP
– Peak Pulse Current (% of I
PP
)
100
80
60
40
20
0
0
5
10
15
t – Time (µs)
20
25
30
t
d
= t
|
I
PP
/2
t
t
Test Waveform Parameters
t
t
= 8 µs
t
d
= 20 µs
e
t
1,000
350 W, 8/20 µs Waveform
100
10
0.1
1
10
100
1,000
10,000
t
d
– Pulse Duration (µs)
Block Diagram
UNIDIRECTIONAL
1
BIDIRECTIONAL
1
How to Order
CD SOD323 - T 05 LC
Common Code
Chip Diode
Package
• SOD323 = SOD-323 Package
Model
T = Transient Voltage Suppressor
Working Peak Reverse Voltage
05 = 5 V
RWM
(Volts)
2
2
Suffix
L = Ultralow Capacitance Unidirectional Diode
LC = Ultralow Capacitance Bidirectional Diode
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
CDSOD323-TxxLC - TVS Diode Series
C
A
Product Dimensions
E
This is a molded JEDEC SOD-323 package with lead free 100 %
B
Sn plating on the terminations. It weighs approximately 30 mg and
has a flammability rating of UL 94V-0.
CATHODE BAND
(FOR UNIDIRECTIONAL
PRODUCTS ONLY)
C
A
Recommended Footprint
W
F
E
B
D
L
H
W
S
L
J
Dimensions (Nominal)
L
0.80
(0.031)
1.40
(0.055)
0.50
(0.020)
L
F
D
L
H
S
S
W
J
Dimensions
A
B
C
D
E
F
H
J
1.60 - 1.90
(0.063 - 0.075)
1.15 - 1.45
(0.045 - 0.057)
2.39 - 2.70
(0.094 - 0.106)
0.92 - 1.14
(0.036 - 0.045)
0.25 - 0.40
(0.010 - 0.016)
0.08 - 0.20
(0.003 - 0.008)
0.13
(0.005) MAX.
.........
0.30 - 0.45
(0.012 - 0.018)
MM
DIMENSIONS:
(INCHES)
Typical Part Marking
Each device has device marking outlined below and the
unidirectional devices have an additional Polarity Band indicating
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
CDSOD323-TxxLC - TVS Diode Series
Packaging Information
The surface mount product is packaged in an 8 mm x 4 mm tape and reel format per EIA-481 standard.
d
P
0
P
1
E
T
120 °
F
B
W
D2
D1 D
Index Hole
P
Trailer
Product
Orientation
A
Device
C
Leader
End
.......
.......
10 pitches (min.)
.......
.......
.......
.......
.......
.......
10 pitches (min.)
Start
W1
MM
DIMENSIONS:
(INCHES)
Direction of Feed
Devices are packed in accordance with EIA standard
RS-481-A.
Item
Carrier Width
Carrier Length
Carrier Depth
Sprocket Hole
Reel Outside Diameter
Reel Inner Diameter
Feed Hole Diameter
Sprocket Hole Position
Punch Hole Position
Punch Hole Pitch
Sprocket Hole Pitch
Embossment Center
Overall Tape Thickness
Tape Width
Reel Width
Quantity per Reel
Symbol
A
B
C
d
D
D1
D2
E
F
P
P0
P1
T
W
W1
--
SOD323
1.55 ± 0.10
(0.061 ± 0.004)
2.90 ± 0.10
(0.114 ± 0.004)
1.35 ± 0.10
(0.053 ± 0.004)
1.55 ± 0.05
(0.061 ± 0.002)
178
(7.008)
80.0
...
Min.
(3.150)
13.0 ± 0.20
(0.512 ± 0.008)
1.75 ± 0.10
(0.069 ± 0.004)
3.50 ± 0.05
(0.138 ± 0.002)
4.00 ± 0.10
(0.157 ± 0.004)
4.00 ± 0.10
(0.157 ± 0.004)
2.00 ± 0.05
(0.079 ± 0.002)
0.20 ± 0.10
(0.008 ± 0.004)
8.00 ± 0.20
(0.315 ± 0.008)
13.5
.
Max.
(0.531)
3,000
Asia-Pacific:
Tel: +886-2 2562-4117
Email: asiacus@bourns.com
Europe:
Tel: +36 88 520 390
Email: eurocus@bourns.com
The Americas:
Tel: +1-951 781-5500
Email: americus@bourns.com
www.bourns.com
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do
vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
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