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LTWC450B/LTWC450C/LTWC450D/LTWC450E/LTWC450F/LTWC450G/LTWC450H/LTWC450I/LTWC450J

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    Product Details:

    Place of Origin: wuxi
    Brand Name: HM
    Certification: ROHS
    Model Number: KHZ

    Payment & Shipping Terms:

    Minimum Order Quantity: 1000
    Price: $1.25
    Packaging Details: REEL
    Delivery Time: 25 day
    Payment Terms: T/T, Western Union, MoneyGram
    Supply Ability: 500000
    Contact Now
    Detailed Product Description
    Nominal Center Frequency: 450kHz 6dB Bandwidth: ±2.0kHz Min.
    50dB Bandwidth (from 450kHz): ±7.0kHz Max Stop Band Attenuation (within 450±100kHz): 50.0dB Min.
    Insertion Loss (at Minimum Loss Point): 7.0dB Max. Ripple (within 450±1.5kHz): 2.0dB Max
    Input/Output Impedance (Nominal): 1.5kΩ

    NO.  Item Specification
    4 – 1

    Center Frequency f0 (Center of 6dB Bandwidth)

    450KHz
    4 – 2  Bandwidth(3dB) ±1.5 KHz min
     Bandwidth(6dB) ±2.0 KHz min
     Bandwidth(50dB) ±7.0KHz min
    4 – 3 Stop Band Attenuation 50dB min
    4 – 4  Ripple (f0±1.5khz) 2.0dB max
    4 – 5

    Insertion Loss (At minimum loss point)

    7.0dB max
    4 – 6

     

    Temperature Stability (-20℃~ +80℃ )

    ±0.5% max

    (-25℃ ~ +80℃)

    4-7  Operating Temperature -20℃ ~ +80℃
    4-8  Storage Temperature -40℃ ~ +85℃
    4-9 Insulation Resistance(DC 25V 1 minute) 100MΩ min
    4 – 10  Input/Output Impedance 1.5 KΩ

     

     

    NO.

     

    Item

     

    Measurement condition

     

    Requirement

     

     

     

    7-1

     

     

    Random Drop

    Filter shall be measured after 3 times random drops from the height of 30cm on concrete floor

     

    No visible damage and it meet Table 1

     

     

     

     

    7-2

     

     

     

    Vibration

     

    Filter shall be measured after being applied vibration of amplitude of 1.5mm with 10-55Hz band of vibration frequency to each of 3 perpendicular directions for 2 hours

     

     

    No damage and it meet

    Table 1.

     

     

     

    7-3

     

     

     

    Solderability

    Lead terminals are immersed in aide solder for

    5 sec and then immersed in soldering bath of

    230±5℃, for 3±0.5 sec.

    At least 95% lead terminals shall be covered with solder.

     

     

     

     

     

    7-4

     

     

     

    Substrate Bending Test

     Apply pressure in the direction of arrow (see Fig. 3)

    at a rate of about 0.5mm per second until it reaches a

    bend of 3mm and hold for 30 seconds.

     

     

     

     

     

    It shall meet table 1.

     

     

     

     

     

     

     

     

    7-5

     

     

     

     

     

     

     

     

    Adhesion

     

    A static load of 20N to the direction of the arrow (see

    Fig. 4) shall be applied on the core of the component

    and hold for 10 seconds. Filter shall be soldered

    correctly and tightly to PCB.

     

     

     

     

     

     

     

    It shall meet Table 1..

     

     

    7-6

    Reflow Soldering

     

     

     

    It shall meet Table 1.

     

       

    Put on the solder paste on the printed wiring board (pattern is shown in Fig. 5), the samples shall be mounted and soldered under the condition (pattern is shown in Fig. 6), then it shall be subjected to the room atmosphere for

    24 hours prior to the measurement.

     

     

     

    NO.

     

    Item

     

    Measurement condition

     

    Requirement

     

     

     

     

     

    8 – 1

     

     

     

     

     

    Humidity

     

    After being placed in a chamber with 90-95% R.H. at 40±2℃ for 100 hours and then being placed in room temperature for 1 hour, filter shall be measured.

     

     

     

     

    It shall meet Table 1.

     

     

     

     

     

     

    8 – 2

     

     

     

     

    Resistance to Solder Heat

     

    Lead terminals are immersed up to 1.5mm from filter’s body in soldering bath of 350±

    10℃, for 3±0.5 sec. And then filter shall be

    measured after being placed in room temperature for 1 hour.

     

     

     

     

     

     

    It shall meet Table 1.

     

     

     

     

    8 – 3

     

     

    High Temperature

    After being placed in a chamber with 80±

    2℃,for 100 hours and then being placed in room temperature for 1 hour , filter shall be measured.

     

     

     

     

    It shall meet Table1

     

     

     

     

    8 – 4

     

     

     Low Temperature

    After being placed in a chamber with -20±

    2℃,for 100 hours and then being placed in room temperature for 1 hour, filter shall be measured.

     

     

     

     

    It shall meet Table 1

     

     

    8 – 5

     

     

    Heat Shock

     

     

     

    It shall meet Table 1

       

     

    After being kept at room temperature, filter shall be placed at temperature of –55 ℃ , for

    30 minutes, then be placed at temperature.

    85℃, for 30 minutes. After that returned to

    –55℃ again. Repeated above cycle for 5 times. After being kept in room temp. for 1 hour, filter shall be measured

     

    Table 1

     

    Item

     

    Specification

     Center Frequency

     

    450 KHz

     Bandwidth(6dB)

     

    ±2.0 KHz min

    Selectivity(50dB)

     

    ±7.0 KHz max

    Stop Band Attenuation

     

    50dB min

     Ripple

     

    2.0dB max

     Insertion Loss

     

    7.0dB max

     

    Contact Details
    hanse-john electronic Co.,Ltd.

    Contact Person: Mr. liuhongmao

    Tel: 86-0510-88213035

    Fax: 86-510-88213035

    Send your inquiry directly to us (0 / 3000)