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Overview

Description

The SGAS701 is a solid-state chemiresistor sensor designed to detect hydrogen in air. The sensor uses an integrated heater with highly sensitive MOx material tailored for detection of hydrogen.

Features

  • High sensitivity to low hydrogen concentrations (10 to 1000 ppm)
  • Fast response time (15 seconds at 100 ppm)
  • Environmental temperature range of -20°C to 50°C
  • Environmental humidity range of 0% to 90% RH, non‑condensing
  • Low dependence on flow rate

Comparison

Applications

Documentation

Datasheet PDF 823 KB
End Of Life Notice PDF 1.07 MB
Application Note PDF 132 KB
Application Note PDF 429 KB
Application Note PDF 581 KB
5 items

Design & Development

Boards & Kits

Models

ECAD Models

Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.

Diagram of ECAD Models

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  1. SGAS701 footprint

    In the datasheet for the sensor there is an outline drawing but no footprint information. Are there simply 4 pin in a square pattern at 5,08mm pitch (like the classic TO-39) or is it different? Also, figure 2 with the pin assigment is seen from above, right?

    Jul 1, 2022