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Overview

Description

The PS9117A is an optically coupled high-speed, active low type isolator containing an AlGaAs LED on the input side and a photodiode and a signal processing circuit on the output side on one chip. The PS9117A is designed specifically for high common mode transient immunity (CMR) and low pulse width distortion. The PS9117A is suitable for high density application.

Features

  • Pulse width distortion (|tPHL - tPLH| = 35 ns MAX.)
  • High common mode transient immunity (CMH, CML = ±15 kV/μs MIN.)
  • Small package (SO-5)
  • High-speed (10 Mbps)
  • High isolation voltage (BV = 3 750 Vr.m.s.)
  • Open collector output
  • Ordering number of taping product: PS9117A-F3 : 2 500 pcs/reel
  • Pb-Free product
  • Safety standards UL approved: UL1577, Single protection CSA approved: CAN/CSA-C22.2 No. 62368-1, Basic insulation VDE approved: DIN EN 60747-5-5 (Option)

Comparison

Applications

Documentation

Type Title Date
Datasheet PDF 5.00 MB 日本語
Brochure PDF 4.60 MB 日本語
Application Note PDF 139 KB 日本語
Brochure PDF 5.41 MB 日本語
Brochure PDF 5.16 MB 日本語
Product Reliability Report PDF 184 KB
Product Change Notice PDF 99 KB 日本語
7 items

Design & Development

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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FAQs

  1. What parameter of electrical specification can the life be estimated?

    ... degrades, its output no longer changes from high to low, even when a current higher than IFHL defined by the specification flows. By this phenomenon, the life of the photocoupler can be judged as having expired. For details, contact your nearest distributor. [Example in Electrical Specifications of PS9117A Data Sheet]

    Jan 15, 2018
  2. Why the CTR characteristic is not listed in high speed photocoupler?

    The PS9117A has a function for outputting a digital signal (H/L). The relationship between the input and the output with regard to transmission of this signal is shown in the following truth table. To change the output from "H" to "L" here, it is necessary to flow an ...

    Oct 1, 2007
  3. What is pulse width distortion (|tPHL - tPLH |)?

    ... the lower the value of |tPHL - tPLH| is, the less distorted the photocoupler is, i.e., the less its pulse width changes. [Propagation delay time and test circuit in the PS9117A data sheet] Related FAQ:What are propagation delay time (H → L) tPHL and propagation delay time (L → H) tPLH?

    Mar 23, 2021