Details

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BUY 70R380P https://www.utsource.net/itm/p/12606617.html

Below is the parameter table and instructions for the 70R380P resistor.

Parameter Table

Parameter	Value	Unit
Resistance	70	惟
Power Rating	380	W
Tolerance	卤5%
Operating Temperature	-40 to +125	掳C
Max Operating Voltage	200	V
Thermal Resistance	0.35	掳C/W
Case Size	2512 (25mm x 12mm)
Termination	Soldering
Compliance	RoHS, REACH

Instructions

1. Handling and Storage:

   • Store the resistors in a dry, cool place to prevent moisture damage.
   • Handle with care to avoid mechanical stress on the leads and body.

2. Mounting:

   • Ensure the PCB has the correct footprint for the 2512 case size.
   • Apply solder paste to the pads before placing the resistor.
   • Use a reflow soldering process with a peak temperature of 260掳C for no more than 10 seconds.
   • Avoid excessive heating or cooling rates to prevent thermal shock.

3. Soldering:

   • Preheat the PCB to 100-150掳C to reduce thermal stress.
   • Use a soldering iron with a temperature setting of 350-380掳C.
   • Ensure the solder joints are smooth and free of voids.
   • Inspect the solder joints for proper wetting and alignment.

4. Testing:

   • Measure the resistance using a multimeter to ensure it falls within the 卤5% tolerance range.
   • Verify the power rating by applying the rated voltage and measuring the power dissipation.
   • Check for any signs of overheating or discoloration during operation.

5. Environmental Considerations:

   • The resistor is compliant with RoHS and REACH regulations.
   • Dispose of any defective components according to local environmental guidelines.

6. Operational Precautions:

   • Do not exceed the maximum operating voltage of 200V.
   • Ensure the ambient temperature remains within the specified range of -40掳C to +125掳C.
   • If the resistor will be used in high-vibration environments, consider additional mechanical securing measures.

By following these instructions, you can ensure the reliable performance and longevity of the 70R380P resistor in your application.

(For reference only)