SM05C
2-Line Bi-directional TVS Diode Array
FEATURES
350 Watts peak pulse power per line (t
P
=8/20µs)
Protect for two I/O lines with bi-directional
Low clamping voltage
Working voltages: 5V
Low leakage current
ROHS compliant
AEC-Q101 qualified
Pin Configuration
MAIN APPLICATIONS
RS-232, RS-422 & RS-485
Servers, notebook, and desktop
Cellular handsets and accessories
Control & monitoring systems
Portable electronics
Wireless bus protection
Set-top box
PROTECTION SOLUTION TO MEET
IEC61000-4-2 (ESD) ±15kV (air),±8kV (contact)
IEC61000-4-4 (EFT) 40A (5/50ns)
IEC61000-4-5 (Lightning) 18A (8/20µs)
MECHANICAL CHARACTERISTICS
SOT-23 package
Molding compound flammability rating : UL 94V-0
Weight 8 milligrams (approximate)
Quantity per reel : 3,000pcs
Lead finish : lead free
Marking code:5B2
3
5B2
1
2
Document ID
Issued Date
2003/03/08
Revised Date
2012/05/16
Revision
D
Page.
3
Page 1
AS-3110030
SM05C
2-Line Bi-directional TVS Diode Array
ABSOLUTE MAXIMUM RATINGS
(T
A
=25ºC, RH=45%-75%,
unless otherwise noted)
Parameter
Peak pulse power dissipation on 8/20
μs
waveform
ESD per IEC 61000-4-2 (Air)
ESD per IEC 61000-4-2 (Contact)
Lead soldering temperature
Operating junction temperature range
Storage temperature range
Symbol
P
PP
V
ESD
T
L
T
J
T
STG
Value
350
+/- 15
+/- 8
260 (10 sec.)
-55 to +125
-55 to +150
Unit
W
kV
℃
℃
℃
ELECTRICAL CHARACTERISTICS
(T
A
=25℃)
Parameter
Reverse working voltage
Reverse breakdown voltage
Reverse leakage current
Clamping voltage
Junction capacitance
①Surge
waveform: 8/20μs
②
C
J
measured @V
RWM
=0V,1MHz(pin 1 to pin3,pin 2 to pin3)
Symbol
V
RWM
V
BR
I
R
V
C
C
J
②
Conditions
Min
Typ
Max
5.0
Unit
V
V
I
T
= 1mA
V
RWM
= 5V
I
PP
①
=1A, tp =8/20μs
I
PP
①
=18A, tp =8/20μs
V
RWM
= 0V, f = 1MHz
6.0
1
9.8
16.7
75
μA
V
V
pF
RATINGS AND V‐I CHARACTERISTICS CURVES
(T
A
=25ºC,
unless otherwise noted)
FIG.1:V- I curve characteristics
(Bi-directional)
I
I
PP
FIG.2: Pulse waveform
(8/20μs)
Percent of I
PPM
100
90
Peak value
front time: T1 = 1.25×T = 8×(1±20%)μs
time to half value: T2 = 20×(1±20%)μs
V
C
V
BR
I
T
V
RWM
I
R
Half value
V
I
R
V
RWM
V
BR
V
C
I
T
50
T2
I
PP
10
0
0
t(μs)
T
T1
10
20
30
40
Document ID
Issued Date
2003/03/08
Revised Date
2012/05/16
Revision
D
Page.
3
Page 2
AS-3110030
SM05C
2-Line Bi-directional TVS Diode Array
FIG.3: Pulse derating curve
P
PP
derating in percentage(%)
100
80
60
40
20
0
0
T
A
(
℃
)
75
100
10
0
0
t(ns)
tr 0.7 to 1ns
60ns
FIG.4: ESD clamping
(8KV contact)
Percent of I
PPM
100
90
30ns
25
50
125
150
175
30
60
PACKAGE MECHANICAL DATA
Millimeter
Symbol
Min
A
A1
b
C
D
e
E
L
X
Inches
Min
0.035
0.000
0.01
0.009
0.11
0.071
0.047
0.012
0.089
0.0315
0.037
0.0315
0.0795
Max
1.15
0.10
0.325
0.25
3.0
1.9
1.4
0.50
2.55
0.8
0.95
0.80
2.02
Max
0.045
0.004
0.013
0.01
0.118
0.075
0.055
0.02
0.1
0.9
0.00
0.25
0.22
2.8
1.8
1.2
0.30
2.25
He
X
X1
Y
Z
Y
Y
X
Z
X1
X1
Land Pattern
Document ID
Issued Date
2003/03/08
Revised Date
2012/05/16
Revision
D
Page.
3
Page 3
AS-3110030