Details

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BUY 1N5399 DO-15 https://www.utsource.net/itm/p/11553949.html

Parameter	Value
Part Number	1N5399
Package Type	DO-15
Type	Zener Diode
Zener Voltage (Vz)	27 V
Power Dissipation (Pz)	5 W
Maximum Reverse Current (Izmax)	140 mA
Operating Temperature Range	-65掳C to +175掳C
Storage Temperature Range	-65掳C to +150掳C
Forward Voltage (Vf)	1.1 V at 1 A
Reverse Recovery Time (trr)	Not Specified
Mounting Type	Through-Hole
Lead Spacing	4.75 mm
Case Color	Black

Instructions for Use:

1. Mounting:

   • Ensure that the diode is mounted with sufficient clearance from other components to facilitate heat dissipation.
   • Use a heat sink if continuous operation at high power levels is required.

2. Polarity:

   • The cathode (positive lead) is typically marked on the diode. Ensure correct polarity when installing to avoid damage.

3. Soldering:

   • Preheat the diode to reduce thermal shock during soldering.
   • Solder quickly to avoid overheating. Do not exceed 300掳C for more than 10 seconds.

4. Handling:

   • Handle the diode by the body, not the leads, to prevent mechanical stress.
   • Store in a dry, cool place to prevent moisture damage.

5. Testing:

   • Use a multimeter set to the diode test mode to verify functionality.
   • Measure the forward voltage drop across the diode to ensure it is within specifications.

6. Applications:

   • Suitable for voltage regulation, overvoltage protection, and reference voltage circuits.

7. Safety:

   • Do not exceed the maximum ratings specified in the table.
   • Use appropriate fuses or circuit breakers to protect against overcurrent conditions.

(For reference only)