ProjectsPricingInsights

1SMB5945BT3G AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

1SMB5945BT3G product

1SMB5945BT3G

Diodes - Zener - Single

Zener DiodeVoltage Regulator3WSMB

The 1SMB5945BT3G is a 3W Zener diode with a 68V nominal voltage, suitable for voltage regulation in surface-mount applications.

Best for

  • Voltage regulation
  • Surge protection

Avoid if

  • Applications requiring extremely low leakage current
  • High-precision reference applications

Check before use

  • Thermal derating at operating temperature
  • PCB footprint compatibility

Key specifications

Nominal Vz
68 V
Power Rating
3 W
Tolerance
±5%

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power SuppliesIndustrial Control

Datasheet

CAD Models

Download ECAD models for 1SMB5945BT3G: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
Get Files
PCB Footprint
Land pattern for PCB layout
Get Files
3D Model
STEP file for mechanical design
Get Files
KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
Generate library

Where to Buy

Real-time and catalog pricing from verified distributors

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a 3W surface-mount Zener voltage regulator diode from onsemi, featuring a nominal Zener voltage of 68V.