Specifications
SKU: 7291478
Diode Zener Single 3.3V 5% 1.3W Automotive 2-Pin DO-41 T/R
Parameter | Value |
---|---|
Type | Zener Diode |
Part Number | 1N4728A-TR |
Zener Voltage (Vz) | 3.0 V |
Zener Tolerance | ±5% |
Power Dissipation (Pz) | 500 mW (1/2 W) |
Maximum Reverse Current (Iz) | 95 mA at 3.0 V |
Maximum Operating Temperature | -65°C to +150°C |
Forward Voltage (Vf) | 1.0 V at 1.0 mA |
Forward Current (If) | 1.0 mA |
Case Style | DO-35 (SOD-323) |
Package Type | Surface Mount |
Mounting Type | SMD |
Polarity | Anode (A), Cathode (K) |
RoHS Compliant | Yes |
Instructions for Use:
Mounting:
- Ensure the diode is placed correctly on the PCB with the correct polarity.
- Solder the diode using a temperature-controlled soldering iron to avoid overheating.
Handling:
- Handle the diode with care to avoid mechanical stress or damage.
- Use static-safe equipment to prevent electrostatic discharge (ESD).
Operating Conditions:
- Do not exceed the maximum reverse current (Iz) or power dissipation (Pz).
- Ensure the operating temperature remains within the specified range (-65°C to +150°C).
Storage:
- Store in a dry, cool place away from direct sunlight and sources of heat.
- Keep in original packaging until ready for use to protect against moisture and ESD.
Testing:
- Test the diode using a multimeter to verify its functionality before installation.
- Check for proper zener voltage and forward voltage characteristics.
Soldering:
- Preheat the PCB if necessary to ensure even heat distribution.
- Apply solder to the pads and then to the diode leads, ensuring a good thermal connection.
- Allow the solder to cool naturally without disturbing the joint.
Inspection:
- Inspect the solder joints for proper wetting and absence of cold solder joints.
- Verify that the diode is securely mounted and there are no shorts or open circuits.
By following these instructions, you can ensure reliable performance and longevity of the 1N4728A-TR Zener diode in your application.
(For reference only)Inquiry - 1N4728A-TR