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參數(shù)資料
| 型號(hào)： | MLL4738TR |
| 廠商： | MICROSEMI CORP-SCOTTSDALE |
| 元件分類(lèi)： | 齊納二極管 |
| 英文描述： | 8.2 V, 1 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-213AB |
| 封裝： | HERMETIC SEALED, GLASS, MELF-2 |
| 文件頁(yè)數(shù)： | 1/3頁(yè) |
| 文件大?。?/td> | 365K |
| 代理商： | MLL4738TR |
SURFACE MOUNT 1.0 W
GLASS ZENER DIODES
SCOTTSD A L E DIVISION
1N4728UR thru 1N4764AUR
(or MLL4728A thru MLL4764A)
W
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cr
os
em
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1N4
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1N4
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AUR
DESCRIPTION
APPEARANCE
This surface mountable 1 watt Zener diode series is electrically equivalent to
the 1N4728A thru 1N4764A registration in the DO-41 equivalent package
except that it meets the JEDEC surface mount outline DO-213AB. It is an
ideal selection for applications of high density and low parasitic requirements
for voltage regulation. Standard voltage tolerance is +/- 5% with tighter
tolerances available down to 1%.
With its glass hermetic qualities, it may
also be used for high reliability applications when required by a source
control drawing (SCD).
DO-213AB
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
FEATURES
APPLICATIONS / BENEFITS
Electrically similar to the JEDEC registered 1N4728
thru 1N4764 zener series
Zener voltages available 3.3V to 100V
Standard voltage tolerances are +/- 5% with “A” suffix
and 10 % with no suffix identification
Tight tolerances available in plus or minus 2% or 1%
with C or D suffix respectively
Options for screening in accordance with MIL-PRF-
19500 for JAN, JANTX, JANTXV, and JANS are
available by adding MQ, MX, MV, or MSP prefixes
respectively to part numbers.
Surface mount equivalents also available as
SMAJ4728A to SMAJ4764A and SMAJ4728A to
SMAJ4764A
Plastic body axial-leaded Zener equivalents are also
available as 1N4728A to 1N4764A
Regulates voltage over a broad operating current
and temperature range
Wide selection from 3.3 to 100 V
Leadless package for surface mounting
Ideal for high density mounting
Nonsensitive to ESD
Hermetically sealed glass package
Specified capacitance (see Figure 2)
Inherently radiation hard per MicroNote 050
MAXIMUM RATINGS
MECHANICAL AND PACKAGING
Power dissipation at 25C: 1.0 watts (also see derating
in Figure 1).
Operating and Storage temperature: -65C to +175C
Thermal Resistance: 50 C/W junction to end cap, or
130
C/W junction to ambient when mounted on FR4 PC
board (1 oz Cu) with recommended footprint (see last
page)
Steady-State Power: 1.00 watts at TEC < 125oC, or
1.00 watts at TA < 45
C when mounted on FR4 PC
board and recommended footprint as described for
thermal resistance (also see Figure 1)
Forward voltage @200 mA: 1.2 volts (maximum)
Solder Temperatures: 260 C for 10 s (max)
CASE: Hermetically sealed DO-213AB glass MELF
TERMINALS: Leads, tin-lead plated solderable per
MIL-STD-750, method 2026
POLARITY: Cathode indicated by band. Diode to
be operated with the banded end positive with
respect to the opposite end for Zener regulation
MARKING: Cathode band only
TAPE & REEL optional: Standard per EIA-481-B
with 12 mm tape, 1500 per 7 inch reel or 5000 per
13 inch reel (add “TR” suffix to part number)
WEIGHT: 0.05 grams
See package dimensions & recommended mounting
pad on last page
Microsemi
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 1
Copyright
2002
11-05-2003 REV C
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