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3290H-1-253 - Bourns

Description: Trimmer Resistors - Through Hole 3/8" 25Kohms Sealed Horizontal Adjust 5%

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PCB Footprints
3290H-1-253 - Bourns PCB footprint - Other - Other - 3290H-1-253-2
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3D Models
3290H-1-253 - Bourns  - 3D model - Other - 3290H-1-253-2
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3290H-1-253 Details

  • Manufacturer Part Number:

    3290H-1-253

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    RADIAL LEADED

  • Reach Compliance Code:

    Not Compliant

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8533.31.00.00

  • Factory Lead Time:

    6 Weeks

  • Manufacturer:

    Bourns Inc

  • YTEOL:

    7

  • Actuator Orientation:

    HORIZONTAL

  • Actuator Type:

    SCREW

  • Construction:

    Rectangular

  • Ganging Number:

    1

  • JESD-609 Code:

    e4

  • Lead Diameter:

    0.51 mm

  • Lead Length:

    8 mm

  • Mounting Feature:

    THROUGH HOLE MOUNT

  • Number of Terminals:

    3

  • Number of Turns:

    25

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -65 °C

  • Package Height:

    9.53 mm

  • Package Length:

    9.53 mm

  • Package Style:

    Radial

  • Package Width:

    3.81 mm

  • Packing Method:

    Tube

  • Rated Power Dissipation (P):

    1 W

  • Rated Temperature:

    85 °C

  • Resistance:

    25000 Ω

  • Resistance Law:

    LINEAR

  • Resistor Type:

    TRIMMER

  • Rotational Angle:

    9000 deg

  • Surface Mount:

    NO

  • Technology:

    WIRE WOUND

  • Temperature Coefficient:

    50 ppm/°C

  • Terminal Finish:

    GOLD OVER NICKEL

  • Terminal Shape:

    WIRE

  • Tolerance:

    5%

3290H-1-253 Frequently Asked Questions (FAQs)

  • Bourns provides a recommended PCB layout and land pattern in their application note AN164, which can be found on their website. It's essential to follow these guidelines to ensure proper thermal management and to minimize electrical noise.
  • The 3290H-1-253 has a high power rating, and proper thermal management is crucial. Ensure good airflow around the component, use a heat sink if necessary, and follow the recommended PCB layout and land pattern. Additionally, consider using thermal interface materials to improve heat transfer.
  • While the datasheet specifies an operating temperature range of -40°C to 125°C, it's essential to note that the device's performance and reliability may degrade at extreme temperatures. It's recommended to operate the device within a temperature range of -20°C to 100°C for optimal performance.
  • The 3290H-1-253 is designed to withstand moderate vibration levels. However, if your application involves extreme vibration, it's recommended to consult with Bourns' technical support team to discuss specific requirements and potential custom solutions.
  • To ensure EMC, follow proper PCB design and layout practices, such as using ground planes, shielding, and filtering. Additionally, consider using EMI filters or common-mode chokes in your design. Consult with Bourns' technical support team or an EMC expert for specific guidance.

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3290H-1-253 Overview

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