SR70
1
05172.R1 8/03
www.protekdevices.com
STEERING DIODE ARRAY
Only One Name Means ProTek'TionTM
APPLICATIONS
USB Interface Ports
Cellular Phones
Video
Handheld Electronics
Personal Computers
IEC COMPATIBILITY (EN61000-4)
61000-4-2 (ESD): Air - 15kV, Contact - 8kV
61000-4-4 (EFT): 40A - 5/50ns
61000-4-5 (Surge): 24A, 8/20s - Level 2(Line-Gnd) & Level 3(Line-Line)
FEATURES
ESD Protection > 40 kilovolts
225 Milliwatt Continuous Power Dissipation
Provides Two (2) Lines of Protection
LOW LEAKAGE CURRENT < 1.0A
ULTRA LOW CAPACITANCE: 3pF Typical
MECHANICAL CHARACTERISTICS
Molded JEDEC SOT-143
Weight 35 milligrams (Approximate)
Flammability rating UL 94V-0
8mm Tape and Reel Per EIA Standard 481
Marking: Marking Code
05172
PIN CONFIGURATION
SOT-143
3
4
1
2
V
N
I/O 1
V
P
I/O 2
2
www.protekdevices.com
05172.R1 8/03
SR70
DEVICE CHARACTERISTICS
MAXIMUM RATINGS @ 25C Unless Otherwise Specified
Operating Temperature
SYMBOL
VALUE
-55
C to 150
C
C
C
-55
C to 150
C
UNITS
T
J
T
STG
PARAMETER
Storage Temperature
Forward Peak Pulse Current (tp = 8/20s)
I
PP
24
A
FIGURE 2
PULSE WAVE FORM
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
0 5 10 15 20 25 30 35 40 45
I
F
- Forward Current - A
FIGURE 1
FOWARD VOLTAGE VS FORWARD CURRENT
10
8
6
4
2
0
V
F
- F
orward
V
oltage -
V
Waveform
Parameters
t
r
- 8s
t
d
= 20s
ELECTRICAL CHARACTERISTICS PER LINE @ 25C Unless Otherwise Specified
PART
NUMBER
DEVICE
MARKING
REPETITIVE
PEAK
REVERSE
VOLTAGE
V
RRM
VOLTS
MINIMUM
REVERSE
BREAKDOWN
VOLTAGE
I@ 50A
V
(BR)
VOLTS
MAXIMUM
FORWARD
CLAMPING
VOLTAGE
8/20s
I
PP
@ 1A
V
FC
VOLTS
MAXIMUM
CAPACITANCE
(See Note 1)
@0V, 1 MHz
Cj
pF
SR70
PSA
70
85
1.5
10
MAXIMUM
FORWARD
CLAMPING
VOLTAGE
8/20s
I
PP
@ 24A
V
FC
VOLTS
7
MAXIMUM
REVERSE
LEAKAGE
CURRENT
@ V
RRM
I
R
A
1
Note 1:
Measured between I/O pins and ground. 3pF typical between I/O pins.
3
www.protekdevices.com
05172.R1 8/03
SR70
COPYRIGHT ProTek Devices 2003
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.
PACKAGE OUTLINE & DIMENSIONS
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
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.,
SR70-T7.
3. Suffix-T13 = 13 Inch Reel - 10,00 pieces per 8mm tape,
i.e.,
SR70-T13.
Outline & Dimensions: Rev 1 - 11/01, 06011
A
B
C
D
F
G
H
J
K
L
R
S
2.80
1.20
0.84
0.39
0.79
1.78
0.013
0.08
0.46
0.445
0.72
2.11
3.04
1.39
1.14
0.50
0.93
2.03
0.10
0.15
0.60
0.60
0.83
2.48
0.110
0.047
0.033
0.015
0.031
0.070
0.0005
0.003
0.018
0.0175
0.028
0.083
0.0120
0.055
0.045
0.020
0.037
0.080
0.004
0.006
0.024
0.024
0.033
0.098
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
SOT-143
MOUNTING PAD
A
G
B
L
F
R
H
D
K
C
S
J
0.112
0.079
0.071
0.075
0.041
0.108
0.047
0.031
0.033
0.033
0.033
1
2
3
4
5
6
7
8
9
10
11
2.85
2.00
1.80
1.90
1.05
2.75
1.20
0.80
0.85
0.85
0.85
DIM Millimeters
Inches
TYPICAL
1
2
4
3
5
6
7
9
8
10
11
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