Microchip RE46C166S16F
Manufacturer No:
RE46C166S16F
Manufacturer:
Microchip
Package:
16-SOIC (0.154, 3.90mm Width)
Description:
RE46C166 is a Photo smoke detector I.C.with interconnect \u0026 alarm memory \u0026 amp; T3 horn
Quantity:
In Stock :1754
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Shipped from：HK Warehouse
Expected Shipping：Sun, May 31 - Mon, Jun 1, 2026
Lead Time：Inquire about availability
Date Code：Within 2 Years
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DELIVERY TIME1. 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.
RE46C166S16F Information
Microchip RE46C166S16F technical specifications, attributes, parameters and parts with similar specifications to Microchip RE46C166S16F.
- Type
- Parameter
- Alternate Diagnostics Mode
- No
- Operating Temp Max °C (degrees Celsius)
- 75
- Operating Temp Min °C (degrees Celsius)
- -25
- Operating Voltage Max V (volt)
- 12
- Operating Voltage Min V (volt)
- 6
- Reverse Battery Protection
- No
- Type
- Photoelectric
- Typical Iq
- 4
- Type
- Parameter
Download datasheets and manufacturer documentation for Microchip RE46C166S16F.
Brochures:
Data Sheets:
Application Notes:
The RE46C166 device is a low-power, CMOS photoelectric type, smoke detector IC. With minimal external components, this circuit will provide all the required features for a photoelectric type smoke detector. Each design incorporates a gain selectable photo amplifier for use with an infrared emitter/detector pair. An internal oscillator strobes power to the smoke detection circuitry for 100 µs every 10 seconds to keep standby current to a minimum. If smoke is sensed, the detection rate is increased to verify an alarm condition. A high gain mode is available for push button chamber testing. A check for a low battery condition and chamber integrity is performed every 43 seconds when in standby. A continuous tone horn pattern is used for the alarm condition. An interconnect pin allows multiple detectors to be connected so when one unit alarms, all units will sound. A charge dump feature will quickly discharge the interconnect line when exiting a local alarm. An internal 9 minute timer allows for single button, push-to-test to be used for a reduced sensitivity mode. An alarm memory feature allows the user to determine if the unit has previously entered a local alarm condition.
- Continuous Tone Pattern
- Alarm Memory
- Sensitivity Control Times: 9 minutes
- I/O Filter and Charge Dump
- Interconnect up to 40 Detectors
- Internal Power-on Reset
- >2000V ESD Protection (HBM) on All Pins
- Low Quiescent Current Consumption (<8 µA)
- Internal Low Battery Detection and Chamber Test
- RoHS Compliant Lead-Free Packaging
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12.28 M
Listed Part Number
3,000+
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In-stock SKU
15,000+
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