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    參數(shù)資料
    

    


    


    
型號(hào)：
MX1N5255CTR-1

    

    
廠商：
MICROSEMI CORP-SCOTTSDALE

    

    
元件分類：
齊納二極管

    

    
英文描述：
28 V, 0.48 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-204AH

    

    
封裝：
HERMETIC SEALED, GLASS, DO-35, 2 PIN

    

    
文件頁(yè)數(shù)：
1/3頁(yè)

    

    
文件大?。?/td>
192K

    

    
代理商：
MX1N5255CTR-1


    

    

    

	
    
    
    

    
    
	
    500 mW GLASS AXIAL-LEAD
    ZENER DIODES
    Microsemi
    Scottsdale Division
    8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
    Page 1
    WWW
    .Microse
    m
    i
    .CO
    M
    S C O T TS DALE DIVISION
    1N5221 thru 1N5281B, e3 DO-35
    1N5
    221
    1
    N
    5
    281
    B,e3
    DO-35
    DESCRIPTION
    APPEARANCE
    The popular 1N5221 thru 1N5281B series of 0.5 watt Zener Voltage Regulators
    provides a selection from 2.4 to 200 volts in standard 5% or 10% tolerances as
    well as tighter tolerances identified by different suffix letters on the part number.
    These glass axial-leaded DO-35 Zeners are also available in various military
    screening levels by adding a prefix identifier as described in the Features
    section. Microsemi also offers numerous other Zener products to meet higher
    and lower power applications.
    IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
    FEATURES
    APPLICATIONS / BENEFITS
     JEDEC registered 1N5221 to 1N5281B
     Internal bonds optionally available with “-1” suffix
     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 with “-1” suffix.
     Surface mount equivalents available as MLL5221 to
    MLL5281B in the DO-213AA MELF style package
    including “-1” suffix options (consult factory for others)
     RoHS Compliant devices available by adding “e3” suffix
     DO-7 glass body axial-leaded Zener equivalents are also
    available
     Regulates voltage over a broad operating current
    and temperature range
     Extensive selection from 2.4 to 200 V
    Standard voltage tolerances are plus/minus 5%
    with B suffix, 10 % with A 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 (MIL-STD-750 Method 1020)
     Minimal capacitance (see Figure 2)
     Inherently radiation hard per MicroNote 050
    MAXIMUM RATINGS
    MECHANICAL AND PACKAGING
     Power dissipation at 25C: 0.5 watts (also see derating
    in Figure 1).
     Operating and Storage temperature: -65C to +175C
     Thermal Resistance: 250 C/W junction to lead at 3/8
    (10 mm) lead length from body, or 310
    C/W junction to
    ambient when mounted on FR4 PC board (1 oz Cu)
    with 4 mm
    2 copper pads and track width 1 mm, length
    25 mm
     Steady-State Power: 0.5 watts at T
    L < 50
    oC 3/8 inch
    (10 mm) from body or 0.48 W at TA < 25
    C when
    mounted on FR4 PC board as described for thermal
    resistance above (also see Figure1)
     Forward voltage @200 mA: 1.1 volts (maximum)
     Solder Temperatures: 260 C for 10 s (max)
    CASE: Hermetically sealed axial-lead glass DO-
    35 (DO-204AH) package
    FINISH: Tin-Lead or RoHS Compliant annealed
    matte-Tin plating 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: 0.2 grams
    See package dimensions on last page
    ELECTRICAL CHARACTERISTICS @ 25°C
    Max Reverse Current
    Max Zener Impedance
    A & B Suffix Only
    Note 2
    A, B, C & D Suffix Only
    Non-Suffix
    IR
    @
    VR
    μA
    Volts
    JEDEC
    Type No.
    Note 1
    Nominal
    Zener
    Voltage
    VZ @ IZT
    Volts
    Test
    Current
    IZT
    mA
    ZZT @ IZK
    Ohms
    ZZK @ IZK = 0.25
    mA
    Ohms
    A
    B,C & D
    IR @ VR Used
    For Suffix A
    μA
    Max Zener
    Voltage Temp.
    Coeff.
    (A & B Suffix
    Only)
    α
    VZ (% /
    oC)
    Note 3
    1N5221
    1N5222
    1N5223
    1N5224
    1N5225
    2.4
    2.5
    2.7
    2.8
    3.0
    20
    30
    29
    1200
    1250
    1300
    1400
    1600
    100
    75
    50
    0.95
    1.0
    200
    150
    100
    -0.085
    -0.080
    -0.075
    1N5226
    1N5227
    1N5228
    1N5229
    1N5230
    3.3
    3.6
    3.9
    4.3
    4.7
    20
    28
    24
    23
    22
    19
    1600
    1700
    1900
    2000
    1900
    25
    15
    10
    5.0
    50
    0.95
    1.9
    1.0
    2.0
    100
    75
    50
    -0.070
    -0.065
    -0.060
    +/-0.055
    +/-0.030
    DO-35
    (DO-204AH
    )
    Copyright
     2005
    8-29-2005 REV C
    
    
    
    
    
    


    


    

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