Microchip RE46C190S16TF
Microchip RE46C190S16TF

Microchip RE46C190S16TF

Manufacturer No:

RE46C190S16TF

Manufacturer:

Microchip

Package:

16-SOIC (0.154, 3.90mm Width)

Description:

RE46C190 is a PHOTO SMOKE IC with TEN YEAR BATTERY LIFE

User Guide

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RFQ (REQUEST FOR QUOTATIONS)

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Provide target prices and acceptable alternatives, if any, to speed up the quotation process.

IMPORTANT NOTICE

Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.

Step1:Prepare product

Step1:Prepare product

Step2:Desiccant Protection

Step2:Desiccant Protection

Step3:Vacuum Packaging

Step3:Vacuum Packaging

Step4:Individual Package

Step4:Individual Package

Step5:Anti-collision Filling

Step5:Anti-collision Filling

Step6:Packaging Box

Step6:Packaging Box

SHIPPING COST

1. Shipping starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).
2. Some specific products need to reach the minimum order quantity.
3. It may cost additional remote fees for delivery if you are in a remote area.

SHIPPING METHOD

Currently, our products are shipped through DHL, FedEx, SF, and UPS.

DELIVERY TIME

1. Once the goods are shipped, estimated delivery time depends on the shipping methods you chose: FedEx International, 5-7 business days.
2. For in-stock parts, orders normally could be shipped out within 1-2days.

RE46C190S16TF Information

Microchip RE46C190S16TF technical specifications, attributes, parameters and parts with similar specifications to Microchip RE46C190S16TF.

  • Type
  • Parameter
  • Alternate Diagnostics Mode
  • No
  • Operating Temp Max °C (degrees Celsius)
  • 60
  • Operating Temp Min °C (degrees Celsius)
  • -10
  • Operating Voltage Max V (volt)
  • 5
  • Operating Voltage Min V (volt)
  • 2
  • Reverse Battery Protection
  • No
  • Type
  • Photoelectric
  • Typical Iq
  • 1
  • Type
  • Parameter

Download datasheets and manufacturer documentation for Microchip RE46C190S16TF.

The RE46C190 is not recommended for new designs. 

Please use the RE46C191 for all new designs.


The RE46C190 is a low voltage, low current programmable photoelectric smoke detector IC. This circuit will provide all the required features for a photoelectric smoke detector with minimal external components. Programmable setup, calibration and feature selection are the key to reduced component count and reduced manufacturing costs. The boost regulator insures proper operation of the infrared diode and the piezo horn under low battery conditions.



  • Two AA battery Operation
  • Low Quiescent Current Consumption
  • Internal IRED driver with Programmable IRED Current
  • Programmable Photo Amplifier
  • Programmable Smoke Sensitivity Levels
  • 9 Minute Timer for Reduced Sensitivity Operation
  • Chamber Test with Programmable Sensitivity Level
  • Internal Low Battery Test with Programmable Threshold
  • Interconnect up to 40 Detectors
  • Local Alarm Memory
  • Temporal or Continuous Horn Pattern
  • All internal Oscillator
  • Internal Power On Reset
  • Available 16L N SOIC
  • In Stock :Available

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    Shipped from:HK Warehouse
    Expected Shipping:Tue, Mar 24 - Wed, Mar 25, 2026
    Date Code:Within 2 Years

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