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Current Mode Infrared Flame Detector Broadcom AFBR-S6PY0574 with High Responsivity and Fast Recovery

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Current Mode Infrared Flame Detector Broadcom AFBR-S6PY0574 with High Responsivity and Fast Recovery

Operating Temperature : -40℃~+85℃

Voltage - Supply : 2.7V~8V

Description : 2.7V~8V TO-205AD(TO-39-3) Ambient Light, IR, UV Sensors RoHS

Mfr. Part # : AFBR-S6PY0574

Model Number : AFBR-S6PY0574

Package : TO-205AD(TO-39-3)

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Product Overview

The Broadcom Thin Film Pyroelectric Flame Sensor is a high-responsivity infrared flame detector designed for accurate flame source discrimination. It features a wide field of view (typically 100) and rapid recovery from thermal and electrical shocks (<1 second downtime). This current mode sensor offers excellent signal-to-noise ratio at the characteristic 8-10 Hz flicker range of flames, making it suitable for triple IR flame detection systems. The sensor integrates a low-noise circuit with an internal CMOS op-amp and a 10G feedback resistor, outputting a voltage signal centered around half the supply rail.

Product Attributes

Brand: Broadcom

Technical Specifications

Specification	Value
Sensor Type	Thin Film Pyroelectric Infrared Flame Detector
Mode	Current Mode
Responsivity	150,000 V/W
D*	3.5 x 10⁸ cmHz/ W
Time Constant	~12 ms
Noise (Mean)	70 VHz
Microphonics	~2 V/Hz at 10 Hz
Operating Temperature	-40 to +85 C
Storage Temperature	-40 to +110 C
Field of View (Typical)	100
Internal Circuit	Low noise circuit with internal CMOS op amp and 10G feedback resistor
Output Signal	Voltage, normalized around mid-rail
Element Size	1000 m x 1000 m
Filter Aperture	5.2 mm x 4.2 mm
Maximum Operating Voltage (+V)	8.0 V
Minimum Operating Voltage (+V)	2.7 V
Package	TO39
Available Filters:
Part Number	Filter Name	Cut On Wavelength (Typical, m)	Cut Off Wavelength (Typical, m)
AFBR-S6PY3200	2.77 m bandpass	2.425	3.115
AFBR-S6PY0575	3.91 m bandpass	3.865	3.955
AFBR-S6PY0573	4.35 m bandpass	4.05	4.65
AFBR-S6PY0574	4.55 m bandpass	4.34	4.76
AFBR-S6PY2341	4.64 m bandpass	4.55	4.73
AFBR-S6PY1601	5.0 m cut on	5.0

Note: An additional window is required to provide high wavelength blocking (above 8.0 m) and thermal shielding.

2411272151_Broadcom-AFBR-S6PY0574_C17257597.pdf

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