参数资料
型号: SM12E3
厂商: MICROSEMI CORP-SCOTTSDALE
元件分类: TVS二极管 - 瞬态电压抑制
英文描述: 300 W, UNIDIRECTIONAL, 2 ELEMENT, SILICON, TVS DIODE
封装: ROHS COMPLIANT, PLASTIC PACKAGE-3
文件页数: 1/2页
文件大小: 102K
代理商: SM12E3
Microsemi
Scottsdale Division
Page 1
Copyright
2005
9-13-2005 REVJ
WWW
.Microse
m
i
.CO
M
SM03 thru SM36, e3
Bidirectional/Unidirectional TVSarray
S C O T TS DALE DIVISION
PRODUCT PREVIEW
DESCRIPTION
DESCRIPTION (300 watt)
TVSarray
SERIES
APPLICATIONS
EIA-RS232 data rate
19.6kbs
EIA-RS422 data rate
10Mbs
EIA-RS423 data rate
100kbs
FEAT UR ES
Protects 3.0/3.3 up through 36V components
Protects 2 undirectional or 1 bidirectional line
Provides electrically isolated protection
RoHS Compliant devices available by adding e3 suffix
MAX I MU M R A T I N G S
Operating Temperature: -55°C to +150°C
Storage Temperature: -55°C to +150°C
Peak Pulse power 300 watts (8/20 s Figure 1)
Pulse Repetition Rate: < .01%
MECHAN ICAL
CASE: Molded epoxy SOT-23 (meets UL94V-0)
FINISH: Tin-Lead or RoHS Compliant annealed
matte-Tin plating readily solderably per MIL-
STD-750 method 2026
WEIGHT: 0.014 grams (approximate)
MARKING: See marking code below
PACKAG ING
Tape & Reel per EIA Standard 481
7 inch reel 3,000 pieces (STANDARD)
This 3 pin TRANSIENT VOLTAGE SUPPRESSOR offers 2 unidirectional or 1
bidirectional protection at the board level from voltage transients caused by
electrostatic discharge (ESD) as defined by IEC 61000-4-2, electrical fast transients
(EFT) per IEC 61000-4-4.
Unidirectional protection can be accomplished by connecting the Input/Output lines
to pins 1 and 2 and pin 3 to common ground. In a bidirectional configuration pin 1 or
pin 2 is connected to common or ground. Pin 3 is not connected. The SM03 thru
SM36 product provides board level protection from static electricity and other
induced voltage surges that can damage sensitive circuitry.
These TRANSIENT VOLTAGE SUPPRESSOR (TVS) Diode Arrays protect 3.0/3.3
volt components such as DRAM’s, SRAM’s, CMOS, HCMOS, HSIC, and low voltage
interfaces up to 36 Volts.
Because of the physical size, weight and protection
capabilities, this product is ideal for use in but not limited to miniaturized electronic
equipment such as hand held instruments, computers, computer peripherals and cell
phones. RoHS Compliant devices also available be adding an e3 suffix.
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
ELECTRICAL CHARACTERISTICS PER LINE @ 25°C Unless otherwise specified
STAND
OFF
VOLTAGE
VWM
VOLTS
BREAKDOWN
VOLTAGE
VBR
@1 mA
VOLTS
CLAMPING
VOLTAGE
VC
@ 1 Amp
(FIGURE 2)
VOLTS
CLAMPING
VOLTAGE
VC
@ 5 Amp
(FIGURE 2)
VOLTS
STANDBY
CURRENT
ID
@ VWM
A
CAPACITANCE
@0V 1 MHz)
C
Pin 1-3 or 2-3
pF
CAPACITANCE
@0V 1 MHz)
C
Pin 1-2
pF
PART
DEVICE
MARKING
MAX
MIN
NUMBER
MAX
SM03
M03
3.3
4
7
9
200
600
300
SM05
M05
5.0
6.0
9.8
11
20
400
200
SM12
M12
12.0
13.3
19
24
0.1
160
80
SM15
M15
15.0
16.7
24
30
0.1
130
65
SM24
M24
24.0
26.7
43
55
0.1
80
40
SM36
M36
36.0
40.0
60
75
0.1
70
35
Note: Transient Voltage Suppressor (TVS) product is normally selected based on its stand off voltage VWM. Product selected
voltage should be equal to or greater than the continuous peak operating voltage of the circuit to be protected.
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
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