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thru
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05138.R8 6/05
www.protekdevices.com
STANDARD CAPACITANCE TVS ARRAY
Only One Name Means ProTek'TionTM
APPLICATIONS
Notebook Computers
Cellular Phone Base Stations
Personnal Digital Assistant (PDA)
Digital Cameras
IEC COMPATIBILITY (EN61000-4)
61000-4-2 (ESD): Air - 15kV, Contact - 8kV
61000-4-4 (EFT): 40A - 5/50ns
FEATURES
100 Watts Peak Pulse Power per Line (tp=8/20s)
Monolithic Design
Available in Multiple Voltage Types Ranging From 5V to 24V
Protect 4 Lines Bidirectional and 5 Lines Unidirectional
ESD Protection > 25 kilovolts
Low Clamping Voltage
RoHS Compliant in Lead-Free Versions
MECHANICAL CHARACTERISTICS
Molded JEDEC SC-70-6L Package
Weight 7 milligrams (Approximate)
Available in Tin-Lead or Lead-Free Pure-Tin Plating(Annealed)
Solder Reflow Temperature:
Tin-Lead - Sn/Pb, 85/15: 240-245C
Pure-Tin - Sn, 100: 260-270C
Flammability rating UL 94V-0
8mm Tape and Reel Per EIA Standard 481
Marking: Marking Code & Pin One Defined By DOT on Package
05138
PIN CONFIGURATIONS
SC-70-6L
1
3
6
4
2
5
2
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DEVICE CHARACTERISTICS
0 5 10 15 20 25 30
t - Time - s
0
20
40
60
80
100
120
I
PP
- Peak Pulse Current - % of I
PP
TEST
WAVEFORM
PARAMETERS
t
f
= 8s
t
d
= 20s
t
f
Peak Value I
PP
e
-t
t
d
= t
I
PP
/2
FIGURE 2
PULSE WAVE FORM
0.1 1 10 100 1,000 10,000
t
d
- Pulse Duration - s
100W 8/20s Waveform
10
100
1,000
10,000
P
PP
- Peak Pulse Power - Watts
FIGURE 1
PEAK PULSE POWER VS PULSE TIME
MAXIMUM RATINGS @ 25C Unless Otherwise Specified
Operating Temperature
SYMBOL
VALUE
-55C to 150C
C
C
-55C to 150C
UNITS
T
J
T
STG
PARAMETER
Storage Temperature
Peak Pulse Power (t
p
= 8/20s) - See Figure 1
P
PP
100
Watts
ELECTRICAL CHARACTERISTICS PER LINE @ 25C Unless Otherwise Specified
PART
NUMBER
DEVICE
MARKING
MINIMUM
BREAKDOWN
VOLTAGE
@ 1mA
V
(BR)
VOLTS
MAXIMUM
CLAMPING
VOLTAGE
(See Fig. 2)
@ I
P
= 5A
V
C
VOLTS
MAXIMUM
CLAMPING
VOLTAGE
(See Fig. 2)
@8/20s
V
C
@ I
PP
TYPICAL
CAPACITANCE
(See Note 1)
@0V, 1 MHz
C
J
pF
SMF05C
SMF12C
SMF15C
SMF24C
05C
12C
15C
24C
6.0
13.3
16.7
26.7
9.8
-
-
-
12.0V @ 9.0A
23.8V @ 4.2A
33.3V @ 3.0A
55.5V @ 1.8A
60
30
25
20
MAXIMUM
LEAKAGE
CURRENT
@V
WM
I
D
A
5
1
1
1
RATED
STAND-OFF
VOLTAGE
V
WM
VOLTS
5.0
12.0
15.0
24.0
Note 1:
Pins 1, 3, 4, 5 or 6 to pin 2.
3
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GRAPHS
0 25 50 75 100 125 150
T
L
- Lead Temperature - C
20
40
60
80
100
% Of Rated Power
Peak Pulse Power
8/20s
Average Power
FIGURE 3
POWER DERATING CURVE
0
0 2 4 6 8 10
I
PP
- Peak Pulse Current - Amps
V
C
- Clamping Voltage - Volts
0
4
8
12
16
FIGURE 4
TYPICAL CLAMPING VOLTAGE VS PEAK PULSE CURRENT
4
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APPLICATION NOTE
CIRCUIT BOARD LAYOUT RECOMMENDATIONS
Circuit board layout is critical for Electromagnetic
Compatibility (EMC) protection. The following
guidelines are recommended:
The protection device should be placed near the
input terminals or connectors, the device will
divert the transient current immediately before it
can be coupled into the nearby traces.
The path length between the TVS device and
the protected line should be minimized.
All conductive loops including power and ground
loops should be minimized.
The transient current return path to ground
should be kept as short as possible to reduce
parasitic inductance.
Ground planes should be used whenever
possible. For multilayer PCBs, use ground vias.
The SMFC Series are TVS arrays designed to protect I/O or data lines from the damaging effects of ESD or EFT. This product provides both
unidirectional and bidirectional protection, with a surge capability of 100 Watts P
PP
per line for an 8/20s waveshape and ESD protection > 25
kilovolts.
UNIDIRECTIONAL COMMON-MODE CONFIGURATION (Figure 1)
The SMFC Series provides up to four (4) lines of protection in a common-mode
configuration as depicted in Figure 1.
Circuit connectivity is as follows:
Line 1 is connected to Pin 1.
Line 2 is connected to Pin 3.
Line 3 is connected to Pin 4.
Line 4 is connected to Pin 6.
Pin 2 is connected to ground.
BIDIRECTIONAL DIFFERENTIAL-MODE CONFIGURATION (Figure 2)
The SMFC Series provides up to five (5) lines of protection in a differential-mode
configuration as depicted in Figure 2.
Circuit connectivity is as follows:
Line 1 is connected to Pin 1.
Line 2 is connected to Pin 3.
Line 3 is connected to Pin 4.
Line 4 is connected to Pin 5.
Line 5 is connected to Pin 6.
Pin 2 is not connected.
Figure 1 - Unidirectional Configuration
Common-Mode I/O Port Protection
3
1
5
6
2
4
LINE 1
LINE 2
LINE 3
LINE 4
I/O PORT
Figure 2 - Bidirectional Configuration
Differential-Mode I/O Port Protection
3
1
5
6
2
4
LINE 1
LINE 2
LINE 3
LINE 4
I/O PORT
LINE 5
5
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PACKAGE OUTLINE & DIMENSIONS
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
Outline & Dimensions: Rev 3 - 9/05, 06019
4
3
2
1
7
6
5
D
E
K
6
5
4
3
2
1
F
A
G
C
L
B
M
0 - 8
J
A
B
C
D
E
F
G
J
K
L
M
1.90
1.15
0.80
0.15
0.65 BSC
1.30 BSC
0.80
0.08
2.00
0
0.26
2.15
1.35
1.00
0.30
-
-
1.10
0.25
2.20
0.10
0.46
0.074
0.045
0.031
0.006
0.0255 BSC
0.0512 BSC
0.031
0.003
0.078
0
0.010
0.084
0.055
0.040
0.012
-
-
0.043
0.010
0.086
0.004
0.018
DIM
MIN
MAX
MIN
MAX
MILLIMETERS
INCHES
PACKAGE DIMENSIONS
NOTES
1. Dimensioning and tolerances per ANSI Y14.5M, 1985.
2. Controlling Dimension: Inches
3. Dimensions are exclusive of mold flash and metal burrs.
PACKAGE OUTLINE
SC70-6L
MOUNTING PAD
0.020
0.051
0.026
0.068
0.024
0.044
0.092
1
2
3
4
5
6
7
0.50
1.30
0.65
1.72
0.60
1.11
2.33
DIM Millimeters Inches
TYPICAL
TAPE & REEL ORDERING NOMENCLATURE
1. Surface mount product is taped and reeled in accordance with EIA-481.
2. Suffix-T7 = 7 Inch Reel - 3,000 pieces per 8mm tape
, i.e., SMF005C-T7.
3. Suffix-LF = Lead-Free, Pure Tin Plating, i.e.,
SMF05C-LF-T7.
Top cover tape
K0
t
D
P0
P2
10 Pitches Cumulative
Tolerance on Tape. 0.2
A0
B0
P
E
F
W
User Direction of Feed
Pin 1
Indicated
by Dot
Tape & Reel Specifications (Dimensions in millimeters)
D
E
P0
tmax
F
P2
W
1.50 0.10 1.75 0.10 3.50 0.05 8.00 0.30 4.00 0.10 2.00 0.05
P
4.00 0.10
0.25
A0
B0
K0
Reel Dia.
Tape Width
178mm (7")
8mm
2.25 0.10 2.34 0.10 1.22 0.10
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