Details

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BUY DK492 https://www.utsource.net/itm/p/12610875.html

Parameter	Description	Value
Part Number	Component Identifier	DK492
Type	Device Type	Diode
Package	Encapsulation	DO-214AC (SMA)
Polarity	Polarity Type	Unidirectional
Vrrm	Maximum Reverse Voltage	600 V
Ism	Maximum Average Rectified Output Current	1 A
Ifsm	Non-Repetitive Peak Surge Forward Current	8 A (8.3 ms, sine)
Vf	Forward Voltage at Rated Current	1.1 V @ 1 A
If	Continuous Forward Current	1 A
Tj	Junction Temperature Range	-55掳C to +175掳C
Tstg	Storage Temperature Range	-65掳C to +150掳C
Rthjc	Thermal Resistance, Junction to Case	25 K/W
Rthja	Thermal Resistance, Junction to Ambient	150 K/W
Power Dissipation	Maximum Power Dissipation at 25掳C Ambient	1 W
Capacitance	Reverse Recovery Capacitance	40 pF @ 1 MHz
trr	Reverse Recovery Time	75 ns @ If = 1 A

Instructions for Use

1. Mounting:

   • Ensure that the diode is mounted on a PCB with proper thermal management if operating near the maximum junction temperature.
   • Use appropriate soldering techniques to avoid thermal shock and ensure a reliable connection.

2. Handling:

   • Handle the diode with care to avoid mechanical stress or damage to the leads.
   • Store in a dry, cool place away from direct sunlight and corrosive environments.

3. Electrical Connections:

   • Connect the anode (A) and cathode (K) terminals correctly to avoid reverse breakdown.
   • Ensure that the voltage and current ratings are not exceeded during operation.

4. Thermal Management:

   • Provide adequate heat sinking if the diode will be operating at high power levels or in high ambient temperatures.
   • Monitor the junction temperature to ensure it remains within the specified range.

5. Surge Current:

   • The diode can handle non-repetitive surge currents up to 8 A for short durations (8.3 ms, sine wave). Ensure that these conditions are not exceeded to prevent damage.

6. Testing:

   • Use a multimeter or diode tester to verify the functionality of the diode before installation.
   • Perform periodic checks to ensure the diode is functioning correctly.

7. Environmental Considerations:

   • The diode is designed to operate in a wide range of temperatures, but ensure that it is not exposed to extreme conditions beyond the specified limits.
   • Avoid exposure to moisture, chemicals, and other environmental hazards that could degrade performance.

(For reference only)