SM712

SHANGHAI SEMITECH SEMICONDUCTOR CO., LTD
SM712
Asymmertrical TVS Diode for Extended Common-Mode Rs-485
Features
z
z
z
z
z
z
z
z
z
z
Small SOT-23 Package
Protects two +12V to -7V lines
Peak power dissipation of 400W under 8/20
s waveform
Low Leakage
Fast Response Time < 5 ns
Protects One Power or I/O Port
ESD Rating of Class 3 (>16KV) per Human Body Model
ESD Protection to IEC 61000-4-2 Level 4
ESD Protection to IEC 61000-4-2 Level 4
RoHS Compliant in Lead-Free Versions
Applications
z
the SM712 transient voltage suppressor(TVS) diode is designed for asymmetrical (12v to-7v)protection
in muti-point data transmission standard RS-485 applications Communication Systems & Cellular Phones
z
z
z
z
Security Systems
Automatic Teller Machines
HFC Systems
Networks
Marking:C72
----------------------------------------------------------------------------------------------------------------------SHANGHAI SEMITECH SEMICONDUCTOR CO., LTD
SM712
Absolute Maximum Ratings
Parameter
Symbol
Value
Units
PPK
400
W
Air
15
KV
CONTACT
8
KV
Per Human Body Model
16
KV
Per Machine Model
400
V
TSTG
-55 to 150
°C
TJ
-55 to 150
°C
Peak Power Dissipation (Note 1.) @TL = 25°C
IEC 61000-4-2 (ESD)
ESD Voltage
Storage Temperature Range
Operating Junction Temperature Range
1. 8 X 20 us, non–repetitive
Typical Characteristics
----------------------------------------------------------------------------------------------------------------------SHANGHAI SEMITECH SEMICONDUCTOR CO., LTD
SM712
SOT-23 MECHANICAL DATA
Dim
Millimeters
Min
TYP
Max
A
1.00
1.40
A1
0
0.10
A2
1.00
1.30
b
0.35
0.50
c
0.10
0.20
D
2.70
E
2.40
2.80
E1
1.40
1.60
e
0.85
1.15
2.90
3.10
1.90
e1
L1
0.40
.
q
0°
10°
S
0.45
0.55
----------------------------------------------------------------------------------------------------------------------SHANGHAI SEMITECH SEMICONDUCTOR CO., LTD