3.3V – 51V 1W Zener Diode

Product Description: 3.3V – 51V 1W Zener Diode

General Description

The 1N47XX series is a family of 1 Watt axial-leaded Zener diodes designed for voltage regulation, reference, and overvoltage protection. These diodes provide stable Zener breakdown voltages ranging from 3.3V to 51V, with good thermal stability and reliable long-term performance. They are widely used in power supplies, signal conditioning, and general-purpose electronic circuits.

Electrical Specifications (Typical)

• Device Type: Zener Diode

• Series: 1N47XX

• Power Dissipation: 1W

• Zener Voltage Range: 3.3V – 51V

• Tolerance: ±5% (standard)

• Maximum Zener Impedance: As per voltage rating

• Reverse Leakage Current: Low (measured at specified test current)

• Forward Voltage (VF): ~1.2V @ IF = 200mA

• Operating Temperature Range: −55°C to +150°C

• Thermal Resistance (Junction to Lead): Approx. 75°C/W

Mechanical Specifications

• Package Type: DO-41 (Axial, Through-Hole)

• Mounting: PCB through-hole

• Polarity: Marked cathode band

• Lead Material: Tinned copper

• Body Material: Molded epoxy, flame retardant

1N47XX Zener Voltage Table

Key Features

• Wide Zener voltage selection (3.3V–51V)

• 1W power dissipation capability

• Stable breakdown voltage

• Axial-lead DO-41 package

• High reliability and long service life

• Suitable for continuous operation

Applications

• Voltage regulation and reference circuits

• Over voltage and transient protection

• Power supply stabilization

• Signal clamping and conditioning

• Industrial, consumer, and DIY electronics

Package Included: 1 x 3.3V – 51V 1W Zener Diode
Please note that the product image is for illustrative purposes only. The actual product may vary slightly in appearance.!