10pcs: 10V Zener Diode - 500mW [1N5240] (10v / 0.5w) - DO-35

10V Zener Diode 500mW (1N5240) DO-35 Through-Hole, 10 Pcs

The 1N5240 is a 10V Zener diode with a 500mW power dissipation rating. It is designed for voltage regulation and overvoltage protection in electronic circuits. This component features a nominal Zener voltage of 10 V and a ±5% voltage tolerance. The device is housed in a DO-35 through-hole package. It operates within a temperature range of -65°C to +200°C. These silicon planar power Zener diodes are supplied in a pack of 10 units for circuit design requirements.

Specifications:

• Zener Voltage: 10 V
• Power Dissipation: 500 mW
• Series / Part Number: 1N5240
• Package / Case: DO-35
• Mounting Style: Through Hole
• Voltage Tolerance: ±5%
• Zener Current (Iz): 20 mA
• Zener Impedance (Zzt): 19 Ohms
• Operating Temperature Range: -65°C to +200°C
• Termination Style: Axial

Key features and benefits:

• 10V nominal Zener voltage
• 500mW power dissipation
• Silicon planar power Zener diode construction
• DO-35 through-hole axial package
• ±5% voltage tolerance
• Operating temperature range: -65°C to +200°C
• Supplied as a 10-unit pack

Applications:

• Voltage regulation in power supply units
• Overvoltage protection for electronic components
• Signal clipping and waveform shaping circuits
• Stable reference voltage sources
• General purpose circuit stabilization

Frequently Asked Questions:

Q: What is the correct polarity for installing the 1N5240 Zener diode?
A: The 1N5240 Zener diode is typically installed in reverse bias. The cathode (banded end) connects to the more positive voltage, and the anode connects to the more negative voltage.

Q: What is the maximum reverse current the 1N5240 can safely handle?
A: Given a 10V Zener voltage and 500mW power dissipation, the maximum continuous reverse current (Iz_max) is 500mW / 10V = 50mA. Exceeding this can damage the diode.

Q: What are the typical lead spacing requirements for a DO-35 package?
A: The DO-35 package is an axial leaded component. Typical lead spacing on a PCB for through-hole mounting is approximately 5.08 mm to 10.16 mm (0.2 to 0.4 inches), depending on component orientation and board layout.

Package Includes:

*Image shown is a representation only.

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