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SMAJ78CA

Specifications

SKU: 11206933

BUY SMAJ78CA https://www.utsource.net/itm/p/11206933.html
TVS Diode
Parameter Description Value Unit
Type Protection Diode - -
Package Surface Mount SMA -
Polarity Unidirectional - -
Voltage Rating (VRWM) Maximum Repetitive Peak Reverse Voltage 78 V
Clamping Voltage (VC) Maximum Clamping Voltage at IPP 124 V
Peak Pulse Current (IPP) Maximum Peak Pulse Current (8/20 μs) 35.3 A
Average Forward Current (IF(AV)) Average Forward Current 0.2 A
Forward Voltage (VF) Forward Voltage at IF = 1 mA 1.2 V
Capacitance (CJ0) Junction Capacitance at VR = 0 V and f = 1 MHz 250 pF
Operating Temperature Range (TJ) Junction Operating Temperature -65 to +150 °C
Storage Temperature Range (TSTG) Storage Temperature -65 to +150 °C
Mounting Position Any Orientation - -

Instructions for Use:

  1. Mounting:

    • Ensure the SMA package is mounted securely on the PCB.
    • The diode can be placed in any orientation due to its surface mount design.
  2. Soldering:

    • Use a temperature-controlled soldering iron or reflow oven.
    • Soldering temperature should not exceed 260°C for more than 10 seconds.
    • Avoid excessive thermal shock during soldering.
  3. Electrical Connections:

    • Connect the cathode (K) to the positive side of the circuit.
    • Connect the anode (A) to the negative side of the circuit.
    • Ensure proper polarity to avoid damage.
  4. Thermal Management:

    • For high-power applications, ensure adequate heat dissipation.
    • Consider using a heatsink if the diode will be operating near its maximum ratings.
  5. Environmental Considerations:

    • Store the diode in a dry, cool environment.
    • Protect from static electricity and physical damage.
  6. Testing:

    • Test the diode after installation to ensure it meets the specified electrical parameters.
    • Use a multimeter to check continuity and forward voltage drop.
  7. Handling:

    • Handle with care to avoid damaging the leads or the body of the diode.
    • Use appropriate ESD protection when handling the component.
  8. Compliance:

    • Ensure the diode complies with all relevant safety and regulatory standards for your application.
(For reference only)

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