home-icon/Products / Infrared detectors / InAs/InAsSb Superlattice / Type II Superlattice Photoconductive Detector PCAS-3TE-9-0.1×0.1-TO8-wZnSeAR-70

Type II Superlattice Photoconductive DetectorPCAS-3TE-9-0.1×0.1-TO8-wZnSeAR-70

1.6 – 10.5 µm, three-stage thermoelectrically cooled

PCAS-3TE-9-0.1×0.1-TO8-wZnSeAR-70 is a Type II superlattice three-stage thermoelectrically cooled IR photoconductor, with excellent parameters. Photoconductive detector should operate in optimum bias voltage and current readout mode. Performance at low frequencies is reduced due to 1/f noise. 3° wedged zinc selenide anti-reflection coated window (wZnSeAR) prevents unwanted interference effects. For detection of CW radiation, using of optical chopper system is recommended. This detector does not contain mercury or cadmium and is compliant with the RoHS Directive.

Features

High performance in spectral range from 1.6 to 10.5 µm

Excellent linearity

Environmentally friendly

Specification (Ta = 20°C)

Parameter
PCAS-3TE-9-0.1×0.1-TO8-wZnSeAR-70
Active element material
epitaxial superlattice heterostructure
Cut-on wavelength λcut-on (10%) µm
1.6±0.2
Peak wavelength λpeak, µm
6.1±0.3
Cut-off wavelength λcut-off (10%) µm
10.5±0.3
Detectivity D*(λpeak, 40 kHz), cm⋅Hz1/2/W
~4.3×108
Current responsivity Ripeak), A/W
~2.0
Time constant τ, ns
~17
Resistance R, Ω
~180
Bias voltage Vb, V
typ. 0.25
1/f noise corner frequency fc, Hz
typ. 40k
Active element temperature Tdet, K
~210
Active area A, mm×mm
0.1×0.1
Package
TO8
Acceptance angle, Φ
~70°
Window
wZnSeAR

Spectral response (Ta = 20°C)

PCAS-3TE-9-0.1x0.1

Mechanical layout, mm

3TE-TO8-non-imm

3TE-TO8 package

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Temperature sensor characteristics

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