Pololu QTRX-HD-25A Reflectance Sensor Array: 25-Channel, 4mm Pitch, Analog Output, Low Current

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SKU: PO4425
GTIN: 4060137108617
Category: Distance/ToF Sensor
Manufacturers: Pololu
MPN: 4425
Storage Tiers: Maintain

Description
Reviews

This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to 5.5 V and offers dimmable brightness control independent of the supply voltage and separate controls for the odd and even emitters. In general, the closer the object, the higher the contrast between light and dark readings, but high-reflectance objects are generally detectable out to around 50 mm. This version features high-performance, low-current QTRX sensors with lenses.

Specifications

Dimensions: 101.0 × 16.5 × 3.0 mm (see the dimension diagram (1MB pdf) for more details)
Operating voltage: 2.9 V to 5.5 V
Sensor type: QTRX
Sensor count: 25
Sensor pitch: 4 mm
Full-brightness LED current: 3.5 mA (independent of supply voltage)
Max board current: 56 mA
Output format: analog voltages (0 V to VCC)
Optimal sensing distance: 10 mm
Maximum recommended sensing distance: 50 mm
Weight: 6.6 g

General specifications

Maximum range:50 mm
Optimal range:10 mm
Minimum operating voltage:2.9 V
Maximum operating voltage:5.5 V
LED current:3.5 mA¹
Peak wavelength:940 nm
Maximum current draw:56 mA²
Sensor type:QTRX
Sensor pitch:4.0 mm
Sensor count:25
Output type:A (analog voltages)

Identifying markings

PCB dev codes:irs45j³
Other PCB markings:0J11785³

Notes:

1.Can be dynamically reduced to any of 32 available dimming levels.
2.With all LEDs on at max brightness setting.
3.Note: this does not differentiate between the A and RC output types.

Shipping weight:	0,01 kg
Item weight:	0,01 kg
Dimensions ( Length × Width × Height ):	10,10 × 1,70 × 0,30 cm

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Pololu QTRX-HD-25A Reflectance Sensor Array: 25-Channel, 4mm Pitch, Analog Output, Low Current

Pololu QTRX-HD-25A Reflectance Sensor Array: 25-Channel, 4mm Pitch, Analog Output, Low Current

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