http://www.sh-greenpower.com Shanghai GreenPower Electronic Co.Ltd. 1
GESDS12VD31
Uni-direction Transient Voltage Suppressors
Product Summary
Feature
Low reverse stand−off voltage:12V
Low reverse clamping voltage
Low leakage current
Fast response time
JESD22-A114-B ESD Rating of class 3B per human body model
IEC 61000-4-2 Level 4 ESD protection
Application
Computers and peripherals
Portable electronics
Power lines
Audio and video equipment
Cellular handsets and accessories
Other electronic equipment communication systems
Marking:
Front Side
D12 =Device Code
SOD-323
Schematic diagram
The GESDS12VD31 is an uni-directional TVS diode, utilizing leading monolithic
silicon technology to provide fast response time and low ESD clamping voltage,
making this device an ideal solution for protecting voltage sensitive data and power
line.
D12
GESDS12V0D31
http://www.sh-greenpower.com Shanghai GreenPower Electronic Co.Ltd. 2
Absolute Maximum Ratings (T
a
=25℃ unless otherwise noted)
Parameter
Symbol
Value
Unit
IEC 61000-4-2 ESD Voltage Air Model
V
ESD
1)
±30
kV
IEC 61000-4-2 ESD Voltage Contact Model
±30
JESD22-A114-B ESD Voltage Per Human Body Model
±16
ESD Voltage Machine Model
±0.4
Peak Pulse Power
P
PP
2)
2200
W
Peak Pulse Current
I
PP
2)
65
A
Lead Solder Temperature − Maximum (10 Second Duration)
TL
260
℃
Junction Temperature
Tj
150
℃
Storage Temperature
Tstg
-55~ +150
℃
1) Device stressed with ten non-repetitive ESD pulses.
2) Non-repetitive current pulse 8/20μs exponential decay waveform according to IEC61000-4-5.
ESD standards compliance
IEC61000-4-2 Standard JESD22-A114-B Standard
Air Discharge
Level
Test Voltage kV
Level
Test Voltage kV
1
2
1
2
2
4
2
4
3
6
3
8
4
8
4
15
Contact discharge current waveform per IEC61000-4-2 8/20μs waveform per IEC61000-4-5
ESD Class
Human Body Discharge V
0
0~249
1A
1B
1C
250~499
500~999
1000~1999
2
2000~3999
3A
3B
4000~7999
8000~15999
t
60ns
30ns
t
r
= 0.7~1ns
10
90
100
Current (%)
Time (ns)
0 5 10 15 20 25 30
0
100
90
50
10
T
2
T
1
Front time: T
1
= 1.25 T = 8s
Time to half-value: T
2
= 20s
Peak pulse current (%)
Time (s)
T