Details

---

BUY BYW78-200 https://www.utsource.net/itm/p/12611682.html

Parameter	Value/Description
Type	Zener Diode
Model	BYW78-200
Zener Voltage (Vz)	200 V
Power Dissipation (Pz)	5 W (Maximum)
Operating Temperature (Tj)	-65掳C to +150掳C
Current (Iz)	5 mA (Nominal Zener Current)
Reverse Current (Ir)	5 渭A at 200 V (Maximum)
Forward Voltage (Vf)	1.1 V at 1 A (Typical)
Capacitance (Cj)	10 pF (Typical at 1 MHz)
Mounting Type	Through-Hole
Package/Case	DO-41 (Glass Passivated Body)
Lead Spacing	5.08 mm (0.200 in)
Lead Diameter	1.27 mm (0.050 in)

Instructions for Use:

1. Handling Precautions:

   • Handle with care to avoid mechanical stress.
   • Avoid exposure to high temperatures or corrosive environments.

2. Mounting:

   • Ensure proper heat dissipation by using a heatsink if necessary.
   • Soldering temperature should not exceed 260掳C for more than 10 seconds.
   • Allow adequate cooling time after soldering.

3. Electrical Connections:

   • Connect the cathode (shorter lead) to the positive side of the circuit.
   • Connect the anode (longer lead) to the negative side of the circuit.
   • Ensure the zener voltage is correctly matched to the application requirements.

4. Testing:

   • Test the diode using a multimeter to ensure it is functioning correctly.
   • Measure the forward voltage drop and reverse breakdown voltage to confirm specifications.

5. Storage:

   • Store in a dry, cool place away from direct sunlight.
   • Keep in original packaging to prevent damage.

6. Safety:

   • Do not exceed the maximum power dissipation.
   • Ensure the operating temperature remains within the specified range.
   • Use appropriate protective equipment when handling and testing the diode.

(For reference only)