home-icon/Products / Infrared detectors / HgCdTe (MCT) Photovoltaic / HgCdTe photovoltaic IR detector PV-4-0.1x0.1-TO39-NW-90

HgCdTe room temperature photovoltaic infrared detectorPV-4-0.1x0.1-TO39-NW-90

PV-4-0.1x0.1-TO39-NW-90 in an uncooled photovoltaic IR detector based on HgCdTe heterostructure for optimal performance and stability. Its specific wavelength (λspec) is 4.0 µm and its active area (A) is 0.1 mm × 0.1 mm. The cut‑on wavelength (λcut-on) can be optimized upon request. Applying a reverse bias (Vb) may significantly increase response speed and dynamic range. While this improves performance at high frequencies, be aware that the 1/f noise appearing in biased detectors may reduce performance at low frequencies. The detector is available in the TO39 package without a window.

Features

Spectral range: 2.3 to 4.4 µm

Back-side illuminated

Room temperature operation

No bias required

No 1/f noise

No minimum order quantity required

Applications

Gas detection, monitoring and analysis: CH4, C2H2, CH2O, HCl, NH3, SO2, C2H6, CO2

Breath analysis: C2H6, CH2O, NH3

Explosion prevention

Exhaust gas denitrification

Emission control (exhaust fumes, greenhouse gases)

Contactless temperature measurements (metal industry)

Detector configuration

Detector symbol
PV-4-0.1x0.1-TO39-NW-90
Detector type
photovoltaic
Active element material epitaxial HgCdTe heterostructure
Cooling no
Temperature sensor n/a
Active area, A 0.1 mm × 0.1 mm
Optical immersion no
Package TO39 (3 pin)
Acceptance angle, Φ ~90 deg.
Window no

Specification

(Tamb = Tchip = 293 K, Vb = 0 V)

Parameter Value

Unit
Min. Typ. Max. -
Cut-on wavelength, λcut-on (10%) - 2.3 - μm
Peak wavelength, λpeak - 3.5±0.1 - μm
Specific wavelength, λspec - 4.0 - μm
Cut-off wavelength, λcut-off (10%) - 4.3 - μm
Detectivity, D* (λpeak, 20 kHz) - 6.0×109 - cm⋅Hz1/2/W
Detectivity, D* (λspec, 20 kHz) 3.0×109 4.0×109 - cm⋅Hz1/2/W
Current responsivity, Ripeak) - 1.8 - A/W
Current responsivity, Rispec) 1.0 1.3 - A/W
Time constant, τ - 150 - ns
Dynamic resistance, Rd 0.8 2 -

Spectral response

(Typ., Tamb = Tchip = 293 K)

Graph showing detectivity (D*) as a function of wavelength (λ) from 2.0 to 4.5 micrometers. The curve peaks between 2.5 and 4.0 micrometers, with detectivity values ranging from 1E+09 to 1E+10 cm·Hz^1/2/W.
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Temperature sensor characteristics

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