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參數資料
| 型號： | MLL4751UR-1E3 |
| 廠商： | MICROSEMI CORP-LAWRENCE |
| 元件分類： | 齊納二極管 |
| 英文描述： | 30 V, 1 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-213AB |
| 封裝： | ROHS COMPLIANT, HERMETIC SEALED, GLASS, MELF-2 |
| 文件頁數： | 1/5頁 |
| 文件大小： | 154K |
| 代理商： | MLL4751UR-1E3 |
METALLURGICALLY BONDED GLASS
SURFACE MOUNT 1.0 W ZENERS
WWW
.Microse
m
i
.CO
M
S C O T TS DALE DIVISION
1N4728UR-1 thru 1N4764AUR-1,e3
(or MLL4728A-1 thru MLL4764A-1,e3)
1N4
728
AUR-1
thru
1N4
764
AUR-1
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 and also
includes enhanced internal contact design.
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
Regulates voltage over a broad operating current
and temperature range
Zener voltages available 3.3V to 100V
Metallurgically enhanced internal contact design fro
greater reliability and lower thermal resistance
Standard voltage tolerances are +/- 5% with “A” suffix
and 10 % with no suffix identification
Wide selection from 3.3 to 100 V
Tight tolerances available in plus or minus 2% or 1%
with C or D suffix respectively
Leadless package for surface mounting
Ideal for high density mounting
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.
Nonsensitive to ESD
Hermetically sealed glass package
Specified capacitance (see Figure 2)
Inherently radiation hard per MicroNote 050
Surface mount equivalents also available as
SMAJ4728A to SMAJ4764A and SMAJ4728A to
SMAJ4764A
RoHS Compliant devices available by adding “e3” suffix
Plastic body axial-leaded Zener equivalents are also
available as 1N4728A to 1N4764A
MAXIMUM RATINGS
MECHANICAL AND PACKAGING
Microsemi
Scottsdale Division
Page 1
Copyright
2005
10-18-2005 REV A
,e3
Power dissipation at 25
CASE: Hermetically sealed DO-213AB glass MELF
C: 1.0 watts (also see derating
in Figure 1).
TERMINALS: Tin-Lead (Sn/Pb) or RohS Compliant
annealed matte-Tin plating solderable per MIL-STD-
750, method 2026
Operating and Storage temperature: -65C to +175C
Thermal Resistance: 40 C/W junction to end cap, or
120
POLARITY: Cathode indicated by band. Diode to
be operated with the banded end positive with
respect to the opposite end for Zener regulation
C/W junction to ambient when mounted on FR4 PC
board (1 oz Cu) with recommended footprint (see last
page)
o
MARKING: Cathode band only
Steady-State Power: 1.00 watts at T
EC < 135 C, or
1.00 watts at TA < 55
C when mounted on FR4 PC
board and recommended footprint as described for
thermal resistance (also see Figure 1)
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)
Forward voltage @200 mA: 1.2 volts (maximum)
WEIGHT: 0.05 grams
Solder Temperatures: 260 C for 10 s (max)
See package dimensions & recommended mounting
pad on last page
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
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