ProjectsPricingInsights

1SMA4739_R1_00001 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

1SMA4739_R1_00001 product

1SMA4739_R1_00001

Diodes - Zener - Single

Zener Diode9.1V1WSMA

The 1SMA4739 is a 1W, 9.1V surface-mount Zener diode in an SMA package, ideal for general-purpose voltage regulation.

Best for

  • Voltage regulation
  • General-purpose circuit protection

Avoid if

  • Applications requiring extremely low leakage current
  • High-power dissipation exceeding 1W

Check before use

  • Thermal dissipation requirements
  • Polarity orientation

Key specifications

Nominal Voltage
9.1 V
Power Rating
1 W
Tolerance
±5%

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
1 (Unlimited)
ECCN
EAR99
HTSUS
8541.10.0050

Application

Power SuppliesGeneral Electronics

CAD Models

Download ECAD models for 1SMA4739_R1_00001: 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

The 1SMA4739 is a 1-watt surface-mount Zener diode with a nominal voltage of 9.1V, designed for voltage regulation in space-constrained applications.