ESD Protection Diode
PDCSM24
Description
Features
The PDCSM24 is an uni-directional TVS diode array, utilizing
leading monolithic silicon technology to provide fast
response time and low ESD clamping voltage, making this
device an ideal solution for protecting sensitive
semiconductor components from damage. The PDCSM24
complies with the IEC 61000-4-2 (ESD) standard with ±30kV
air and ±30kV contact discharge. It is assembled into a leadfree SOT-23 package. It is designed to protect components
which are connected to data and transmission lines from
voltage surges.
Protects two uni-directional lines
Ultra low leakage: nA level
Operating voltage: 24V
Low clamping voltage
Complies with following standards:
– IEC 61000-4-2 (ESD) immunity test
Air discharge: ±30kV Contact
discharge: ±30kV
– IEC61000-4-5 (Lighting) 6A (8/20µs)
RoHS Compliant
Mechanical Characteristics
Applications
Package: SOT-23
Lead Finish: Matte Tin
Case Material: “Green” Molding Compound.
Moisture Sensitivity: Level 3 per J-STD-020
Terminal Connections: See Diagram Below
Marking Information: See Below
Dimensions and Pin Configuration
Marking Information
Cellular Handsets and Accessories
Notebook and Handhelds
Portable Instrumentation
Set Top Box
Industrial Controls
Server and Desktop PC
S24
S24 = Device Marking Code
Circuit and Pin Schematic
Ordering Information
Part Number
Marking
Packaging
Reel Size
PDCSM24
S24
3000/Tape & Reel
7 inch
www.pdwsemi.com
1 -4
© 2022 PDW, Inc.
Specifications are subject to change without notice.
Revised: 2022/04/08
ESD Protection Diode
PDCSM24
Absolute Maximum Ratings (TA=25°C unless otherwise specified)
Parameter
Symbol
Value
Unit
Peak Pulse Power (8/20µs)
Ppk
270
W
Peak Pulse Current (8/20µs)
IPP
6
A
ESD per IEC 61000−4−2 (Air)
±30
VESD
ESD per IEC 61000−4−2 (Contact)
Operating Temperature Range
Storage Temperature Range
±30
kV
TJ
−55 to +125
°C
Tstg
−55 to +150
°C
Electrical Characteristics (TA=25°C unless otherwise specified)
Parameter
Reverse Working Voltage
Breakdown Voltage
Symbol
Min
Typ
VRWM
VBR
Max
Unit
24
V
27
Test Condition
V
IT = 1mA
0.2
μA
VRWM = 24V
1.2
V
IF = 10mA
Reverse Leakage Current
IR
Forward Voltage
VF
Clamping Voltage
VC
32
V
IPP = 1A (8 x 20µs pulse)
Clamping Voltage
VC
45
V
IPP = 6A (8 x 20µs pulse)
Junction Capacitance
CJ
40
pF
VR = 0V, f = 1MHz, Pin 1 to Pin 3
or Pin 2 to Pin 3
Junction Capacitance
CJ
20
pF
VR = 0V, f = 1MHz, Pin 1 to Pin 2
www.pdwsemi.com
0.8
2 -4
© 2022 PDW, Inc.
Specifications are subject to change without notice.
Revised: 2022/04/08
ESD Protection Diode
PDCSM24
Typical Performance Characteristics (TA=25℃ unless otherwise Specified)
Peak Pulse Power vs. Pulse Time
Junction Capacitance vs. Reverse Voltage
Power Derating Curve
Clamping Voltage vs. Peak Pulse Current
100
% of Peak Pulse Current
90
80
70
60
50
40
30
20
10
0
0
www.pdwsemi.com
40
60
Time_t(uS)
8 X 20uS Pulse Waveform
20
Note:Data is taken with a 10x attenuator
80
ESD Clamping Voltage
8 kV Contact per IEC61000−4−2
3 -4
© 2022 PDW, Inc.
Specifications are subject to change without notice.
Revised: 2022/04/08
ESD Protection Diode
PDCSM24
SOT-23 Package Outline Drawing
DIMENSIONS
A
INCHES
MIN
NOM MAX
0.035
0.044
MILLIMETERS
MIN
NOM MAX
0.89
1.12
A1
0.000
-
0.004
0.01
-
0.10
A2
0.035
0.037
0.040
0.88
0.95
1.02
b
0.012
-
0.020
0.30
-
0.51
c
0.003
-
0.007
0.08
-
0.18
D
0.110
0.114
0.120
2.80
2.90
3.04
E
0.082
0.093
0.104
2.10
2.37
2.64
E1
0.047
0.051
0.055
1.20
1.30
1.40
SYM
e
0.075
e1
0.037
L
0.015
L1
Suggested Land Pattern
0.95BSC
0.024
0.40
0.022
N
ꝋ
0.020
1.90BSC
3
0°
0.50
0.60
0.55
3
8°
-
0°
-
aaa
0.004
0.10
bbb
0.008
0.20
8°
DIMENSIONS
www.pdwsemi.com
4 -4
SYM
INCHES
MILLIMETERS
C
0.087
2.20
E
0.037
0.95
E1
0.075
1.90
G
0.031
0.80
X
0.039
1.00
Y
0.055
1.40
Z
0.141
3.60
© 2022 PDW, Inc.
Specifications are subject to change without notice.
Revised: 2022/04/08
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