SM2T STMicroelectronics, SM2T Datasheet

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SM2T

Manufacturer Part Number
SM2T
Description
Transient Voltage Suppressor: TRANSIL
Manufacturer
STMicroelectronics
Datasheet

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DESCRIPTION
The SM2T series are Transil diodes designed specifically
for portable equipment and miniaturized electronics de-
vices subject to ESD transient overvoltages.
Fully compatible with pick and place equipment and
inspectable soldering joints.
ABSOLUTE RATINGS (Tamb = 25°C)
Note 1: 10/1000 µs pulse waveform.
FEATURES AND BENEFITS
THERMAL RESISTANCES
April 2002 - Ed: 1A
High Peak pulse power:
200 W (10/1000 µs )
1000 W ( 8/20 µs)
Stand-off voltage range 5 to 24V
Unidirectional types
Low clamping factor V
Fast response time
1.0mm overall component height
Symbol
Symbol
Rth (j-a)
Rth (j-t)
I
P
T
FSM
TL
Tj
P
PP
stg
®
Peak pulse power dissipation (see note 1)
Power dissipation on infinitive heatsink
Non repetitive surge peak forward current
Storage temperature range
Maximum operating junction temperature
Lead solder temperature (10 seconds duration)
Junction to tab
Junction to ambient on PCB with recommended pad layout
CL
/V
BR
Transient Voltage Suppressor: TRANSIL ™
Parameter
Parameter
Tj initial = Tamb
Tj initial = Tamb
Tamb = 100°C
tp = 10 ms
K
DO-216AA
(ST mite)
SM2T series
- 65 to + 175
Value
Value
200
150
260
2.5
250
25
20
A
°C/W
°C/W
Unit
Unit
°C
°C
W
W
A
1/5

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SM2T Summary of contents

Page 1

... CL BR Fast response time 1.0mm overall component height DESCRIPTION The SM2T series are Transil diodes designed specifically for portable equipment and miniaturized electronics de- vices subject to ESD transient overvoltages. Fully compatible with pick and place equipment and inspectable soldering joints. ABSOLUTE RATINGS (Tamb = 25°C) ...

Page 2

... SM2T series ELECTRICAL CHARACTERISTICS (Tamb = 25°C) Symbol Parameter V Stand-off voltage RM V Breakdown voltage BR V Clamping voltage CL I Leakage current @ Peak pulse current PP T Voltage temperature coefficient I max @ V Types RM SM2T6V8A 50µA SM2T14A 1µA SM2T18A 1µA SM2T27A 1µA Note 1: 10/1000µs pulse waveform. ...

Page 3

... Fig. 8: Junction capacitance versus reverse voltage ap- plied (typical values). C(pF) 10000 T initial =25°C j 8/20µs 1000 100 SM2T27A V ( SM2T series t (s) P 1.E-02 1.E-01 1.E+00 1.E+ Tj(° 100 SM2T6V8A SM2T14A SM2T18A V ( S=0.135cm² S=2cm² 1.E+02 1.E+03 125 150 F=1MHz ...

Page 4

... SM2T series Fig. 9: Forward voltage drop versus forward current (typi- cal values). IFM(A) 1.E+02 1.E+01 T =150°C j 1.E+00 T =25°C j 1.E-01 VFM(V) 1.E-02 0.0 0.5 1.0 1.5 PACKAGE MECHANICAL DATA DO216-AA (ST mite Note: The anode is connected to the longer tab The cathode is connected to the shorter tab (heatsink) RECOMMENDED LAYOUT 2 ...

Page 5

... Spain - Sweden - Switzerland - United Kingdom - United States. Package Weight ST mite 15 mite 15 mite 15 mite 15.5 mg STMicroelectronics GROUP OF COMPANIES http://www.st.com SM2T series Base qty Delivery mode 12000 Tape & reel 12000 Tape & reel 12000 Tape & reel 12000 Tape & reel 5/5 ...

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