MLL1.4KESD5.0 thru MLL1.4KESD170CA
SURFACE MOUNT TVS
SCOTTSDALE DIVISION
DESCRIPTION
These small surface mount TVS devices feature the ability to clamp
dangerous high voltage short-term transients such as produced by directed
or radiated electrostatic discharge phenomena before entering sensitive
component regions of a circuit design. They are small economical transient
voltage suppressors targeted primarily for short-term transients below a few
microseconds while still achieving significant peak-pulse-power capability
as illustrated in Figure #1.
APPEARANCE
WWW .
Microsemi
.C
OM
DO-213AA
IMPORTANT:
For the most current data, consult
MICROSEMI鈥檚
website:
http://www.microsemi.com
FEATURES
鈥?/div>
Excellent protection in clamping direct ESD level
transients in excess of 15,000 V per MIL-STD-750,
Method 1020 (approx. 150 ns exponential wave)
鈥?/div>
Absorbs ESD level transients* of 1400 Watts per
MIL-STD-750, Method 1020 (approx. 150 ns
exponential wave, or one microsecond transients up
to 400 watts. See Figure #1 and #2 for overall
transient Peak Pulse Power.
鈥?/div>
Clamps Transients in less than 100 picoseconds
鈥?/div>
Working Stand-off Voltage range of 5 V to 170 V
鈥?/div>
Hermetic DO-213AA Package. Also available in
axial-leaded DO-35 package (see separate data
sheet for 1.4KESD5.0 series)
APPLICATIONS / BENEFITS
鈥?/div>
Protects Sensitive circuits from short duration fast
rise time transients such as Electrostatic Discharge
(ESD) or Electrical Fast Transients (EFT)
鈥?/div>
Low inherent capacitance for high-frequency
applications (See Figure #4)
鈥?/div>
Small surface mount foot print
鈥?/div>
Bidirectional features available by adding a 鈥淐鈥?or
鈥淐A鈥?suffix
MAXIMUM RATINGS
鈥?/div>
400 Watts for One Microsecond Square Wave or
1400 watts per ESD Wave form of MIL-STD-750,
method 1020
鈥?/div>
See Surge Rating curves in Figures #1, 2 and 3
鈥?/div>
Operating and storage temperature 鈥?5
o
C to 175
o
C
鈥?/div>
THERMAL RESISTANCE: 150
o
C/W junction to end
cap
鈥?/div>
DC power dissipation 500 mW at T
EC
鈮?/div>
100
o
C
鈥?/div>
Derate at 2.3 W/
o
C above 25
o
C for P
PP
(1碌s) and at
o
o
6.67 mW/ C above 100 C for dc power
鈥?/div>
Forward Surge Current 50 amps for 1碌s at T
L
= 25
o
C
(rise time > 100 ns)
MECHANICAL AND PACKAGING
鈥?/div>
CASE: Hermetically sealed glass DO-213AA surface
mount package
鈥?/div>
TERMINALS: Leads, tin-lead plated solderable per
MIL-STD-750, method 2026
鈥?/div>
POLARITY: Banded end is cathode
鈥?/div>
WEIGHT: 0.04 grams (typical)
鈥?/div>
MARKING: Cathode band only
鈥?/div>
TAPE & REEL option: Standard per EIA-481-B (add
鈥淭R鈥?suffix to part number)
鈥?/div>
See package dimension on last page
1.4KESD5.0 鈥?1.4KESD170A
Copyright
錚?/div>
2003
10-06-2003 REV A
Microsemi
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 1
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