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1SMA4728A - 1.0W SURFACE MOUNT ZENER DIODE

Download the 1SMA4728A datasheet PDF. This datasheet also covers the 1SMA4728A-Won variant, as both devices belong to the same 1.0w surface mount zener diode family and are provided as variant models within a single manufacturer datasheet.

Key Features

  • Glass Passivated Die Construction.
  • 1.0W Power Dissipation.
  • 3.3V.
  • 330V Nominal Zener Voltage.
  • 5% Standard Vz Tolerance.
  • Low Inductance.
  • For Use in Voltage Regulator or Reference.
  • Plastic Case Material has UL Flammability Classification Rating 94V-0 A C Mechanical Data.
  • Case: SMA/DO-214AC, Molded Plastic.
  • Terminals: Solder Plated, Solderable per MIL-STD-750, Method 2026.
  • Polarity: Cathode Band.
  • Marking: Device Code.
  • Weight: 0.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (1SMA4728A-Won-Top.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number 1SMA4728A
Manufacturer Won-Top
File Size 91.77 KB
Description 1.0W SURFACE MOUNT ZENER DIODE
Datasheet download datasheet 1SMA4728A Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
® WON-TOP ELECTRONICS Features  Glass Passivated Die Construction  1.0W Power Dissipation  3.3V – 330V Nominal Zener Voltage  5% Standard Vz Tolerance  Low Inductance  For Use in Voltage Regulator or Reference  Plastic Case Material has UL Flammability Classification Rating 94V-0 A C Mechanical Data  Case: SMA/DO-214AC, Molded Plastic  Terminals: Solder Plated, Solderable per MIL-STD-750, Method 2026  Polarity: Cathode Band  Marking: Device Code  Weight: 0.064 grams (approx.)  Lead Free: For RoHS / Lead Free Version, Add “-LF” Suffix to Part Number, See Page 5 1SMA4728A – SZ1330A 1.0W SURFACE MOUNT ZENER DIODE Pb B F H G E SMA/DO-214AC Dim Min Max A 2.29 2.92 B 4.00 4.60 C 1.27 1.90 D 0.152 0.305 E 4.80 5.30 F 2.00 2.44 G 0.051 0.203 H 0.76 1.