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1N4749AP PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 1N4749AP
部品説明 (1N4728AP - 1N4764AP) Zener Voltage Regulator Diode
メーカ Microsemi Corporation
ロゴ Microsemi Corporation ロゴ 



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1N4749AP Datasheet, 1N4749AP PDF,ピン配置, 機能
SCOTTSDALE DIVISION
1N4728AP thru 1N4764AP (PLASTIC)
Silicon 1 Watt Zener Diodes
DESCRIPTION
The popular 1N4728A thru 1N4764A series of 1.0 watt Zeners provides
voltage regulation in a selection from 3.3 to 100 volts in 5% tolerances with
other tolerances also available as identified by different suffix letters on the
part number. These plastic encapsulated Zeners are moisture classified as
Level 1 with no dry pack required and are also available in various military
screening levels by adding a prefix identifier as also described in the
Features section. Microsemi also offers numerous other Zener products to
www.DataSheet4Um.coemet higher and lower power applications.
APPEARANCE
DO-41 or
DO-204AL
(Plastic)
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
FEATURES
JEDEC registered 1N4728A to 1N4764A
Extensive voltage selection from 3.3 to 100 V
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 available as
SMAJ4728A to SMAJ4764A and MLL4728A to
MLL4764A (consult factory for others)
APPLICATIONS / BENEFITS
Regulates voltage over a broad operating current and
temperature range
Standard voltage tolerances are plus/minus 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
Flexible axial-lead mounting terminals
Nonsensitive to ESD per MIL-STD-750 Method 1020
Moisture classification is Level 1 per IPC/JEDEC J-
STD-020B with no dry pack required
MAXIMUM RATINGS
Power dissipation at 25ºC: 1.0 watts (also see
derating in Figure 1).
Operating and Storage temperature: -65ºC to
+150ºC
Thermal Resistance: 45 ºC/W junction to lead at
3/8 (10 mm) lead length from body, or 105ºC/W
junction to ambient when mounted on FR4 PC
board (1 oz Cu) with 4 mm2 copper pads and
track width 1 mm, length 25 mm
Steady-State Power: 1.0 watts at TL < 105oC 3/8
inch (10 mm) from body or at TA < 45ºC when
mounted on FR4 PC board as described for
thermal resistance above (also see Figure 1)
Forward voltage @200 mA: 1.2 volts (maximum)
Solder Temperatures: 260 ºC for 10 s (max)
MECHANICAL AND PACKAGING
CASE: Void-free transfer molded thermosetting
epoxy body meeting UL94V-0
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: Part number
TAPE & REEL option: Standard per EIA-296 (add
“TR” suffix to part number)
WEIGHT: 0.7 grams
See package dimensions on last page
Copyright 2003
7-23-2003 REV A
Microsemi
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
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