Product
0
RE46C126
  • RE46C126

RE46C126

In Production

The RE46C126 is low power CMOS ionization type smoke detector IC. With few external components this circuit will provide all the required features for an ionization type smoke detector. An internal oscillator strobes power to the smoke detection circuitry for 10.5mS every 1.66 seconds to keep standby current to a minimum. A check for a low battery condition is performed every 40 seconds when in standby. A 2/3 duty cycle continuous horn pattern is used for the alarm condition. An interconnect pin allows multiple detectors to be connected such that when one unit alarms all units will sound. Although this device was designed for smoke detection utilizing an ionization chamber it can be used in a variety of security applications....

Microchip Technology RE46C126 Product Info

16 April 2026 0

Parameters

Type

Ionization

Typical Standby Iq (uA)

4.5

UL-217 Ed 9 & UL-268 Ed 7 Compatible

False

Operating Voltage Min

6

Operating Voltage Max

12

Operating Temp Min

-10

Operating Temp Max

60

CO Monitor

True

Features

  • Guard Outputs for Ion Detector Input
  • +/-0.75pA Detect Input Current
  • Internal Reverse Battery Protection
  • Internal Low Battery Detection
  • Low Quiescent Current Consumption (<6.5uA)
  • Available in 16L PDIP or 16L N SOIC
  • ESD Protection on all Pins
  • Interconnect up to 40 Detectors
  • Compatible with MC14468
  • Available in Standard Packaging or RoHS Complaint Pb Free Packaging

Description

The RE46C126 is low power CMOS ionization type smoke detector IC. With few external components this circuit will provide all the required features for an ionization type smoke detector. An internal oscillator strobes power to the smoke detection circuitry for 10.5mS every 1.66 seconds to keep standby current to a minimum. A check for a low battery condition is performed every 40 seconds when in standby. A 2/3 duty cycle continuous horn pattern is used for the alarm condition. An interconnect pin allows multiple detectors to be connected such that when one unit alarms all units will sound. Although this device was designed for smoke detection utilizing an ionization chamber it can be used in a variety of security applications.

Subscribe to Welllinkchips !
Your Name
* Email
Popular Posts
Featured Parts More >
Submit a request
CONTACT US
Company address

WELL LINK CHIPS GROUP CO.,LIMITED FLAT/RM 1802 BEVERLY HOUSE 93-107 LOCKHART ROAD WANCHAI HK

Send Enquiry
SEND e-MAIL
Office hour from 9am to 6pm ,
Monday through Friday, UTC/GMT +8