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Product Variant Information section
Product Specification Section
Pricing Section

Stock: 214,239

On Order: 0
Factory Stock:Factory Stock: 0
Factory Lead Time: 12 Weeks
Minimum Order: 1
Multiple Of: 1
Quantity Web Price
1 $0.47
250 $0.123
500 $0.121
750 $0.119
1,500+ $0.116


Attributes Table
Working Voltage-Nom 5.1V
Power Dissipation 500mW
Forward (Drive) Current 200mA
Forward Voltage 1.5V
Reverse Current-Max 5µA
Features and Applications

1SMB5918BT3 Series devices are 3 Watt Plastic Surface Mount Zener Voltage Regulators which are designed for general purpose voltage regulation applications. This complete new line of 3 Watt Zener diodes offers the following advantages.

Key Features:

  • Zener Voltage Range − 3.3 V to 200 V
  • ESD Rating of Class 3 (>16 kV) per Human Body Model
  • Flat Handling Surface for Accurate Placement
  • Package Design for Top Side or Bottom Circuit Board Mounting
  • Pb−Free Packages are Available


  • Case: Void-free, transfer-molded plastic
  • Finish: All external surfaces are corrosion resistant and leads are readily solderable
  • Maximum Lead Temperature For Soldering Purposes: 260°C for 10 Seconds
  • Leads: Modified L−Bend providing more contact area to bond pads
  • Polarity: Cathode indicated by polarity band
  • Flamability Rating: UL 94 V−0