Product Overview
The Broadcom Thin Film Pyroelectric Flame Sensor is a high-responsivity infrared flame detector designed for accurate flame source discrimination in triple IR detection systems. It features a wide field of view (typically 100) and rapid recovery (<1 second) from thermal and electrical shocks. This current mode sensor exhibits excellent signal-to-noise ratio at the characteristic 8-10 Hz flicker range of flames. The sensor is integrated into 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. It is suitable for applications requiring reliable flame detection in challenging environments.
Product Attributes
- Brand: Broadcom
- Sensor Type: Thin Film Pyroelectric Infrared Flame Detector
- Output Signal: Voltage
- Mode: Current Mode
Technical Specifications
| Specification | Value |
|---|---|
| Responsivity | 150,000 V/W |
| D* | 3.5 x 108 cmHz/ W |
| Time Constant | ~12 ms |
| Noise (Mean) | 70 VHz |
| Microphonics (S vib) | ~2 V/Hz at 10 Hz |
| Operating Temperature | -40 to +85 C |
| Storage Temperature | -40 to +110 C |
| Field of View (Typical) | 100 |
| Element Size | 1000 m x 1000 m |
| Filter Aperture | 5.2 mm x 4.2 mm |
| Max. Voltage (+V) | 8.0 V |
| Min. Voltage (+V) | 2.7 V |
| Package | TO39 |
| Internal Circuitry | Low noise circuit with internal CMOS op amp and 10G feedback resistor |
| Output Voltage Characteristic | Normalized around mid-rail |
| Frequency Characteristics | 110 Hz, 500 K, room temperature, without window and optics |
Filters Available
| 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.
Search terms: current mode, voltage mode, infrared detector, infrared sensor, MIR, mid-IR, thermopile, photodiode
2411272151_Broadcom-AFBR-S6PY0573_C17445850.pdf
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