Only One Name Means ProTek’Tion™
The PSM712 is an asymmetrical transient voltage suppressor (TVS) array, designed specically for RS-485 applicaons.
This device provides protecon against ESD, terary lightning and switching transients.
The PSM712 has a peak pulse power of 600 Was for an 8/20µs waveshape and is available in SOT-23 package con-
guraon. This device meets the IEC 61000-4-2, 61000-4-4 and IEC 61000-4-5 requirements.
• Compable with IEC 61000-4-2 (ESD): Air 15kV, Contact 8kV
• Compable with IEC 61000-4-4 (EFT): 40A, 5/50ns
• Compable with IEC 61000-4-5 (Surge): 24A, 8/20µs - Level 2(Line-
Ground) & Level 3 (Line-Line)
• 600 Was Peak Pulse Power per Line(tp = 8/20µs)
• RoHS Compliant
• REACH Compliant
• Molded JEDEC SOT-23 Package
• Approximate Weight: 8 milligrams
• Lead-Free Pure-Tin Plang (Annealed)
• Solder Reow Temperature:
Pure-Tin - Sn, 100: 260-270°C
• Flammability Rang UL 94V-0
• 8mm Tape and Reel per EIA Standard 481
• RS-485 Transceivers
• Network Interfaces
• Wireless Systems
• Portable Electronics
2
3
1
Only One Name Means ProTek’Tion™
Peak Pulse Power (tp = 8/20µs) - See Figure 1 PPP 600 Was
Operang Temperature TL-55 to 150 °C
Storage Temperature TSTG -55 to 150 °C
Pin 3-1 & Pin 3-2 712 7.0 7.5 11.0 17V @ 34A 20 75
Pin 1-3 & Pin 2-3 712 12.0 13.3 19.0 30V @ 30A 1 75
1. For 7V, pin 3 is posive. For 12V, pins 1 and 2 are posive.
2. Marking code applies to same device.
Only One Name Means ProTek’Tion™
TEST
WAVEFORM
PARAMETERS
tf = 8µs
td = 20µs
tf
e-t
Peak Value IPP
td = t/(IPP/2)
600W, 8/20µs Waveform
Only One Name Means ProTek’Tion™
BV V See Table 2
IBV µA See Table 2
Cjo pF See Table 2
ISA See Table 2
Vj V 0.6
M - 0.33
N - 1
RSOhms See Table 2
TT s 1E-8
EG eV 1.11
PSM712 - 7V 7.5 20 146 1E-11 0.28
PSM712 - 12V 13.3 1 123 1E-13 0.40
ABD - Avalanche Breakdown Diode (TVS)
Lg - Lead Inductance
ABD
Lg
0.6nH
ABD
ABD
12
ABD 12
7 7
12
3
Only One Name Means ProTek’Tion™
A 2.80 3.04 0.110 0.120
B 1.20 1.40 0.047 0.055
C 0.89 1.11 0.035 0.044
D 0.37 0.50 0.015 0.020
G 1.78 2.04 0.070 0.081
H 0.013 0.100 0.001 0.004
J 0.085 0.177 0.003 0.007
K 0.45 0.60 0.018 0.024
L 0.89 1.02 0.035 0.040
S 2.10 2.50 0.083 0.098
V 0.45 0.60 0.018 0.024
1. Controlling dimension: inches.
2. Dimensioning and tolerances per ANSI Y14.5M, 1985.
3. Pin 3 is the cathode (Unidireconal Only)
4. Dimensions are exclusive of mold ash and metal burrs.
A 0.71 0.97 0.028 0.038
B 1.88 2.13 0.074 0.084
C 0.71 0.97 0.028 0.038
D 0.81 1.07 0.032 0.042
1. Controlling dimension: inches.
A
L
B S
GV
3
1 2
DH
C
K J
0°-10°
A
C
D
B
Only One Name Means ProTek’Tion™
178mm (7”) 8mm 3.15 ± 0.10 2.77 ± 0.10 1.30 ± 0.10 1.55 ± 0.10 1.75 ± 0.10 3.50 ± 0.05 8.00 ± 0.30 4.00 ± 0.10 2.00 ± 0.05 4.00 ± 0.10 0.228
1. Dimensions are in millimeters.
2. Surface mount product is taped and reeled in accordance with EIA-481.
3. Sux - T7 = 7” Reel - 3,000 pieces per 8mm tape.
4. Sux - T13 = 13” Reel - 10,000 pieces per 8mm tape.
5. Marking on Part - marking code (see page 2) and date code.
Package outline, pad layout and tape specicaons per document number 06012.R2 8/10.
Top Cover Tape
K0
D
P0
P2
10 Pitches Cumulave
Tolerance on Tape. ± 0.2
A0
B0
P
E
F
W
User Direcon of Feed
Pin 1
t
PSM712 -LF -T7 3000 7” n/a
PSM712 -LF -T13 10,000 13” n/a
This device is only available in a Lead-Free conguraon.
Only One Name Means ProTek’Tion™
COPYRIGHT © ProTek Devices 2007 - This literature is subject to all applicable copyright laws and is not for resale in any manner.
SPECIFICATIONS: ProTek reserves the right to change the electrical and or mechanical characteriscs described herein without noce.
DESIGN CHANGES: ProTek reserves the right to disconnue product lines without noce and that the nal judgement concerning selecon and specicaons is the buyer’s and that in furnishing engineering
and technical assistance. ProTek assumes no responsibility with respect to the selecon or specicaons of such products. ProTek makes no warranty, representaon or guarantee regarding the suitability of
its products for any parcular purpose, nor does ProTek assume any liability arising out of the applicaon or use of any product or circuit and specically disclaims any and all liability without limitaon special,
consequenal or incidental damages.
LIFE SUPPORT POLICY: ProTek Devices products are not authorized for use in life support systems without wrien consent from the factory.
In business more than 20 years, ProTek Devices™ is a privately-held company located in Tempe, Arizona, that oers a product line of tran-
sient voltage suppressors (TVS); avalanche breakdown diodes; steering diode TVS arrays and other surge suppressor component products.
These TVS devices protect electronic systems from the eects of lightning, electrostac discharge (ESD), nuclear electromagnec pulses
(NEMP), inducve switching and EMI / RFI. ProTek Devices also oers high performance interface and linear products that include analog
switches; mulplexers; LED drivers; audio control ICs; RF and related high frequency products. The analog devices work in a host of con-
sumer; industrial; automove and other applicaons.
2929 South Fair Lane
Tempe, Arizona 85282
USA
General: 602-431-8101
Sales: & Markeng: 602-414-5109
Customer Service: 602-414-5114
Product Technical Support: 602-414-5107
General: 602-431-2288
Sales: sales@protekdevices.com
Customer Service: service@protekdevices.com
Technical Support: support@protekdevices.com
8 Ubi Road 2, #06-19
Zervex
Singapore - 408538
Tel: +65-67488312
Fax: +65-67488313
www.protekdevices.com
