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    參數(shù)資料
    型號: MMBD2837LT3
    廠商: ON SEMICONDUCTOR
    元件分類: 二極管(射頻、小信號、開關(guān)、功率)
    英文描述: 0.15 A, 2 ELEMENT, SILICON, SIGNAL DIODE, TO-236AB
    封裝: CASE 318-08, 3 PIN
    文件頁數(shù): 20/33頁
    文件大小: 308K
    代理商: MMBD2837LT3
    Reliability and Quality Assurance
    9–16
    Motorola Small–Signal Transistors, FETs and Diodes Device Data
    MECHANICAL SHOCK
    This test is used to determine the ability of the device to
    withstand a sudden change in mechanical stress due to abrupt
    changes in motion as seen in handling, transportation, or
    actual use.
    Typical Test Conditions: Acceleration = 1500 g’s, Orienta-
    tion = X1, Y1, Y2 plane, t = 0.5 msec, Blows = 5
    Common Failure Modes: Open, short, excessive leak-
    age, mechanical failure
    Common Failure Mechanisms: Die and wire bonds,
    cracked die, package defects
    Military Reference: MIL–STD–750, Method 2015
    MOISTURE RESISTANCE
    The purpose of this test is to evaluate the moisture resistance
    of components under temperature/humidity conditions typical
    of tropical environments.
    Typical Test Conditions: TA = –10°C to 65°C, rh = 80%
    to 98%, t = 24 hours/cycles, cycle = 10
    Common Failure Modes: Parametric shifts in leakage
    and mechanical failure
    Common Failure Mechanisms: Corrosion or contami-
    nants on or within the package materials. Poor package
    sealing
    Military Reference: MIL–STD–750, Method 1021
    SOLDERABILITY
    The purpose of this test is to measure the ability of the device
    leads/terminals to be soldered after an extended period of
    storage (shelf life).
    Typical Test Conditions: Steam aging = 8 hours, Flux =
    R, Solder = Sn60, Sn63
    Common Failure Modes: Pin holes, dewetting, nonwet-
    ting
    Common Failure Mechanisms: Poor plating, contami-
    nated leads
    Military Reference: MIL–STD–750, Method 2026
    SOLDER HEAT
    This test is used to measure the ability of a device to withstand
    the temperatures as may be seen in wave soldering
    operations. Electrical testing is the endpoint critierion for this
    stress.
    Typical Test Conditions: Solder Temperature = 260
    °C, t
    = 10 seconds
    Common Failure Modes: Parameter shifts, mechanical
    failure
    Common Failure Mechanisms: Poor package design
    Military Reference: MIL–STD–750, Method 2031
    STEADY STATE OPERATING LIFE (SSOL)
    The purpose of this test is to evaluate the bulk stability of the
    die and to generate defects resulting from manufacturing
    aberrations
    that
    are
    manifested
    as
    time
    and
    stress–dependent failures.
    Typical Test Conditions: TA = 25°C, PD = Data Book
    maximum rating, t = 16 to 1000 hours
    Common Failure Modes: Parametric shifts and cata-
    strophic
    Common Failure Mechanisms: Foreign material, crack
    die, bulk die, metallization, wire and die bond defects
    Military Reference: MIL–STD–750, Method 1026
    TEMPERATURE CYCLING (AIR TO AIR)
    The purpose of this test is to evaluate the ability of the device
    to withstand both exposure to extreme temperatures and
    transitions between temperature extremes. This testing will
    also expose excessive thermal mismatch between materials.
    Typical Test Conditions: TA = –65°C to 200°C, cycle =
    10 to 4000
    Common Failure Modes: Parametric shifts and cata-
    strophic
    Common Failure Mechanisms: Wire bond, cracked or
    lifted die and package failure
    Military Reference: MIL–STD–750, Method 1051
    THERMAL SHOCK (LIQUID TO LIQUID)
    The purpose of this test is to evaluate the ability of the device
    to withstand both exposure to extreme temperatures and
    sudden transitions between temperature extremes. This
    testing will also expose excessive thermal mismatch between
    materials.
    Typical Test Conditions: TA = 0°C to 100°C, cycle = 20
    to 300
    Common Failure Modes: Parametric shifts and cata-
    strophic
    Common Failure Mechanisms: Wire bond, cracked or
    lifted die and package failure
    Military Reference: MIL–STD–750, Method 1056
    VARIABLE FREQUENCY VIBRATION
    This test is used to examine the ability of the device to
    withstand deterioration due to mechanical resonance.
    Typical Test Conditions: Peak acceleration = 20 g’s,
    Frequency range = 20 Hz to KHz, t = 48 minutes
    Common Failure Modes: Open, short, excessive leak-
    age, mechanical failure
    Common Failure Mechanisms: Die and wire bonds,
    cracked die, package defects
    Military Reference: MIL–STD–750, Method 2056
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