
PSOT03
05059
Only One Name Means ProTek’Tion™
STANDARD CAPACITANCE TVS ARRAY
APPLICATIONS
✔ RS-232, RS-422 & RS-423
✔ Cellular Phones
✔ Control & Monitoring Systems
✔ Portable Electronics
✔ Wireless Bus Protection
IEC COMPATIBILITY (EN61000-4)
✔ 61000-4-2 (ESD): Air - 15kV, Contact - 8kV
✔ 61000-4-4 (EFT): 40A - 5/50ns
✔ 61000-4-5 (Surge): 24A, 8/20µs - Level 2(Line-Ground) & Level 3(Line-Line)
FEATURES
✔ ESD Protection > 40 kilovolts
✔ 500 Watts Peak Pulse Power per Line (tp = 8/20µs)
✔ Low Clamping Voltage
✔ Available in Multiple Voltage Types Ranging from 3V to 36V
✔ Unidirectional & Bidirectional Configurations
thru
PSOT36C
SOT-23
MECHANICAL CHARACTERISTICS
✔ Molded JEDEC SOT-23
✔ Weight 0.6 grams (Approximate)
✔ Flammability rating UL 94V-0
✔ 8mm Tape and Reel Per EIA Standard 481
✔ Device Marking: Marking Code
PIN CONFIGURATION
UNIDIRECTIONAL
1
3
2
BIDIRECTIONAL
1
3
2
105059.R3 9/03 www.protekdevices.com

DEVICE CHARACTERISTICS
MAXIMUM RATINGS @ 25°C Unless Otherwise Specified
PSOT03
thru
PSOT36C
PARAMETER
Peak Pulse Power (tp = 8/20µs) - See Figure 1
Operating Temperature
Storage Temperature
Forward Voltage @ 100mA, 300µs - Square Wave (Note 1)
Note 1: Applies to unidirectional devices only.
SYMBOL VALUE
P
PP
T
J
T
STG
V
F
500 Watts
-55°C to 150°C
-55°C to 150°C
1.5 Volts
ELECTRICAL CHARACTERISTICS PER LINE @ 25°C Unless Otherwise Specified
PA RT
NUMBER
(See Note 1)
DEVICE
MARKING
RATED
STAND-OFF
VOLTAGE
MINIMUM
BREAKDOWN
VOLTAGE
MAXIMUM
CLAMPING
VOLTAGE
(See Fig. 2)
@ 1mA
V
WM
VOLTS
PSOT03
PSOT03C
PSOT05
PSOT05C
PSOT08
PSOT08C
PSOT12
PSOT12C
PSOT15
PSOT15C
PSOT24
PSOT24C
PSOT36
PSOT36C
Note 1: Part numbers with an additional “C” suffix are bidirectional devices, i.e., PSOT05C.
03
03C
05
05C
08
08C
12
12C
15
15C
24
24C
36
36C
3.3
3.3
5.0
5.0
8.0
8.0
12.0
12.0
15.0
15.0
24.0
24.0
36.0
36.0
V
(BR)
VOLTS
4.0
4.5
6.0
6.0
8.5
8.5
13.3
13.3
16.7
16.7
26.7
26.7
40.0
40.0
@ IP = 1A
V
C
VOLTS
6.5
7.0
9.8
9.8
13.4
13.4
19.0
19.0
24.0
24.0
43.0
43.0
51.0
51.0
MAXIMUM
CLAMPING
VOLTAGE
(See Fig. 2)
@8/20µs
VC @ I
PP
10.9V @ 43.0A
10.9V @ 43.0A
13.5V @ 42.0A
13.5V @ 42.0A
16.9V @ 34.0A
16.9V @ 34.0A
25.9V @ 21.0A
25.9V @ 21.0A
30.0V @ 17.0A
30.0V @ 17.0A
49.0V @ 12.0A
49.0V @ 12.0A
76.8V @ 9.0A
76.8V @ 9.0A
MAXIMUM
LEAKAGE
CURRENT
@V
I
µA
125
125
20
20
10
10
2
2
1
1
1
1
1
1
UNITS
°C
°C
TYPICAL
CAPACITANCE
WM
D
@0V, 1 MHz
C
J
pF
500
500
500
500
500
500
500
500
500
500
500
500
500
500
2 www.protekdevices.com05059.R3 9/03

GRAPHS
PSOT03
thru
PSOT36C
PEAK PULSE POWER VS PULSE TIME
FIGURE 1
10,000
1,000
100
- Peak Pulse Current - Watts
PP
P
10
0.01 1 10 100 1,000 10,000
td - Pulse Duration - µs
500W, 8/20µs Waveform
FIGURE 2
120
PP
100
80
60
PULSE WAVE FORM
t
f
Peak Value I
-t
e
PP
TEST
WAVEFORM
PARAMETERS
tf = 8µs
td = 20µs
40
td = t
- Peak Pulse Current - % of I
20
PP
I
0
0 5 10 15 20 25 30
t - Time - µs
IPP/2
FIGURE 3
POWER DERATING CURVE
100
80
60
40
% Of Rated Power
20
0
0 25 50 75 100 125 150
TL - Lead Temperature - °C
Peak Pulse Power
8/20µs
Average Power
3 www.protekdevices.com05059.R3 9/03

PACKAGE OUTLINE & DIMENSIONS
PSOT03
thru
PSOT36C
PACKAGE OUTLINE
A
L
3
B
1
2
S
K
0º - 10º
PACKAGE DIMENSIONS
J
SOT-23
MILLIMETERS
INCHES
DIM MIN MAX MIN MAX
V
G
A
B
C
D
G
C
H
J
D
H
K
L
S
V
MOUNTING PAD
0.037” (0.95mm)
NOTES
1. Dimensioning and tolerances per ANSI Y14.5M, 1985.
2. Controlling Dimension: Inches
3. Pin 3 is the cathode (Unidirectional Only).
4. Dimensions are exclusive of mold flash and metal burrs.
2.80
1.20
0.89
0.37
1.78
0.013
0.085
0.45
0.89
2.10
0.45
3.04
1.40
1.11
0.50
2.04
0.100
0.177
0.60
1.02
2.50
0.60
0.1102
0.0472
0.0350
0.0150
0.0701
0.0005
0.0034
0.0180
0.0350
0.0830
0.0177
0.1197
0.0551
0.0440
0.0200
0.0807
0.0040
0.0070
0.0236
0.0401
0.0984
0.0236
0.079” (2.00mm)
0.033” (0.85mm)
0.033” (0.85mm)
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.
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.,
PSOT05-T7.
3. Suffix -T13 = 13 Inch Reel - 10,000 pieces per 8mm tape,
i.e.,
PSOT05-T13
.
Outline & Dimensions: Rev 1 - 11/01, 06012
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
4 www.protekdevices.com05059.R3 9/03