05079
SM20MT05C
thru
Only One Name Means ProT
ek’Tion™
SM20MT24C
ST
ANDARD CAPACIT
ANCE TVS ARRA
Y
APPLICA
TIONS
✔
Parallel Port
✔
RS-232, RS-422 & RS-423 Data Lines
✔
Industrial & Instrumentation Equipment
✔
Board Level Interface Protection
✔
I/O Port Protection
IEC COMPA
TIBILITY
(EN61000-4)
✔
61000-4-2 (ESD): Air - 15kV, Contact - 8kV
✔
61000-4-4 (EFT): 40A - 5/50ns
✔
61000-4-5 (Surge): 24A, 8/20µs - Level 2(Line-Gnd) & Level 3(Line-Line)
FEA
TURES
✔
1500 Watts Peak Pulse Power per Line (tp=8/20µs)
✔
ESD Protection > 40 kilovolts
✔
Protection for 8 or 9 Bidirectional Data Lines
✔
Externally Low Clamping Voltage
✔
Available in 4 Voltage Types Ranging From 5V to 24V
✔
Bidirectional Configuration
✔
Monolithic Design
✔
RoHS Compliant in Lead-Free Versions
MECHANICAL CHARACTERISTICS
✔
✔
✔
✔
Molded JEDEC SO-20WB (Wide Body) Package
Weight 0.5 grams (Approximate)
Available in Tin-Lead or Lead-Free Pure-Tin Plating(Annealed)
Solder Reflow Temperature:
Tin-Lead - Sn/Pb, 85/15: 240-245°C
Pure-Tin - Sn, 100: 260-270°C
✔
Flammability rating UL 94V-0
✔
24mm Tape and Reel Per EIA Standard 481
✔
Marking: Logo, Part Number, Date Code & Pin One Defined By Dot on Top of Package
SO-20WB
(Wide Body)
PIN CONFIGURA
TIONS
EQUAL TO 8 BIDIRECTIONAL TVS DEVICES
GND
IN 1
IN 2
IN 3
IN 4
IN 5
IN 6
IN 7
IN 8
EQUAL TO 9 BIDIRECTIONAL TVS DEVICES
IN 1
IN 2
IN 3
IN 4
IN 5
GND
IN 6
IN 7
IN 8
1
2
3
4
5
6
7
8
9
20
GND
19
OUT 1
18
OUT 2
17
OUT 3
16
OUT4
15
OUT 5
14
OUT 6
13
OUT 7
12
OUT 8
11
GND
1
2
3
4
5
6
7
8
9
20
OUT 1
19
OUT 2
18
OUT 3
17
OUT 4
16
OUT5
15
GND
14
OUT 6
13
OUT 7
12
OUT 8
11
OUT 9
GND
10
I N 9
10
05079.R7 4/05
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SM20MT05C
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SM20MT24C
DEVICE CHARACTERISTICS
MAXIMUM RATINGS @ 25°C Unless Otherwise Specified
PARAMETER
Peak Pulse Power (t
p
= 8/20µs) - See Figure 1
Operating Temperature
Storage Temperature
SYMBOL
P
PP
T
J
T
STG
VALUE
1500
-55°C to 150°C
-55°C to 150°C
UNITS
Watts
°C
°C
ELECTRICAL CHARACTERISTICS PER LINE @ 25°C Unless Otherwise Specified
PART
NUMBER
(See Note 1)
RATED
STAND-OFF
VOLTAGE
MINIMUM
BREAKDOWN
VOLTAGE
MAXIMUM
CLAMPING
VOLTAGE
(See Fig. 2)
@ I
PP
= 10A
V
C
VOLTS
MAXIMUM
CLAMPING
VOLTAGE
(See Fig. 2)
@ I
PP
= 25A
V
C
VOLTS
MAXIMUM
LEAKAGE
CURRENT
MAXIMUM
CAPACITANCE
V
WM
VOLTS
@ 1mA
V
(BR)
VOLTS
@V
WM
I
D
µA
@V
WM
, 1 MHz
C
pF
SM20MT05C
SM20MT08C
SM20MT15C
SM20MT24C
5.0
8.0
15.0
24.0
6.5
10.0
18.0
25.0
9.5
13.0
23.0
31.0
11.0
17.0
26.0
36.0
50
10
4
4
700
360
250
140
Note 1:
These devices are bidirectional only. Electrical characteristics apply in both directions. The monolithic TVS array is based on 10 unidirec-
tional P/N junctions with a common cathode and can be configured to offer 8 to 9 bidirectional lines of protection. The inputs are symmetrical and can
be reversed for specific application layout requirements.
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SM20MT24C
GRAPHS
FIGURE 1
PEAK PULSE POWER VS PULSE TIME
100,000
P
PP
- Peak Pulse Power - Watts
10,000
1,500W 8/20µs Waveform
1,000
100
0.1
1
10
100
t
d
- Pulse Duration - µs
1,000
10,000
120
I
PP
- Peak Pulse Current - % of I
PP
FIGURE 2
PULSE WAVE FORM
t
f
Peak Value I
PP
TEST
WAVEFORM
PARAMETERS
t
f
= 8µs
t
d
= 20µs
100
80
60
40
20
0
0
5
e
-t
t
d
= t I /2
PP
10
15
t - Time - µs
20
25
30
FIGURE 3
POWER DERATING CURVE
100
80
% Of Rated Power
Peak Pulse Power
8/20µs
60
40
20
Average Power
0
0
25
50
75
100
125
T
L
- Lead Temperature - °C
150
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SM20MT05C
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SM20MT24C
PACKAGE OUTLINE & DIMENSIONS
PACKAGE OUTLINE
-A-
SO-20WB
(Wide Body)
20
11
-B-
P
0.010” (0.25 MM)
M
B
M
10 PL
1
10
PACKAGE DIMENSIONS
DIM
A
B
C
D
F
G
J
K
P
R
NOTES
1. - T - = Seating Plane and Datum Surface.
2. Dimensions “A” and “B” are Datum.
3. Dimensions “A” and “B” do not include mold protrusions.
4. Maximum mold protrusion is 0.015” (0.380 mm) per side.
5. Dimensioning and tolerances per ANSI Y14.5M, 1982.
6. Dimensions are exclusive of mold flash and metal burrs.
TAPE & REEL/BULK ORDERING NOMENCLATURE
MILLIMETERS
MIN
MAX
12.65
7.40
2.35
0.35
0.50
1.27 BSC
0.25
0.10
10.05
0.25
12.95
7.60
2.65
0.49
INCHES
MIN
MAX
0.499
0.292
0.093
0.014
0.020
0.510
0.299
0.104
0.019
G
C
0º - 7º
-T-
20 PL
0.010” (0.25 MM)
M
T B
S
R X 45º
J
F
D
A
S
K
0.90
0.035
1.27 BSC 0.05 BSC 0.05 BSC
0.010
0.32
0.012
0.004
0.25
0.009
0.395
10.55
0.415
0.010
0.75
0.029
MOUNTING PAD
0.050” TYP
0.030”
±
0.005”
0.325”
±
0.005”
0.420” MIN
1. Surface mount product is taped and reeled in accordance
with EIA-481.
2. Suffix-T13 = 13 Inch Reel - 1,000 pieces per 24mm tape,
i.e.,
SM20MT05C-T13.
3. Suffix - LF = Lead-Free, Pure-Tin Plating,
i.e.,
SM20MT05C-LF-T13.
4. No Suffix = Product Shipped in Tubes of 37 pcs per Tube.
0.045”
±
0.005”
Outline & Dimensions: Rev 1 - 11/01, 06018
COPYRIGHT © ProTek Devices 2005
SPECIFICATIONS: ProTek reserves the right to change the electrical and or mechanical
characteristics described herein without notice (except JEDEC).
DESIGN CHANGES: ProTek reserves the right to discontinue product lines without notice, and that
the final judgement concerning selection and specifications is the buyer’s and that in furnishing
engineering and technical assistance, ProTek assumes no responsibility with respect to the
selection or specifications of such products.
ProTek Devices
2929 South Fair Lane, Tempe, AZ 85282
Tel: 602-431-8101 Fax: 602-431-2288
E-Mail:
sales@protekdevices.com
Web Site:
www.protekdevices.com
05079.R7 4/05
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