Products » SRE4002-CZT25.4


700keV 25.6mm CZT Gamma Ray Detector Module
SRE4002 SRE4002 with CZT detector attached.

The micro-IDM compact gamma ray detector module comes with a room temperature Cadmium-Zinc-Telluride (CZT) semi-conductor sensor with 256 pixels, arranged in a 16×16 matrix. Each pixel is connected to a channel with amplification and trigger circuitry implemented in application specific integrated circuits (ASICs).

The ASIC amplifies and samples the analog signal when the input signal is above a user programmable threshold. The trigger signal, the address of the triggered channel and the charge signal is then available at the at the output interface. The output self-resets after a predetermined time.

The SRE4002 allows for gamma ray energy measurements up to 700 keV. The module has been measured to with a Co-57 source and at room temperature. The Co-57 photo-peak at 122 keV has 5.4 keV full-width-half-maximum (FWHM) energy resolution.

The modules can be arranged to create gamma ray cameras of different geometries. Typical applications include arrays of SRE4002 modules, creating a larger imaging array. The module has two M2 threaded holes for mounting. The module has two electrical connectors, which allows for mounting on a carrier board.

The detector modules are insensitive to magnetic fields and can be operated in vacuum/space.

The module is also available with 40 mm x 40 mm CZT crystal: SRE4002-40, or without a crystal: SRE4002.

The SRE4002 is also available in a 350 keV-charge range version: SRE4001-CZT25.4

Carrier boards for multiple SRE4002 modules can be delivered, contact IDEAS for more information.

Product Features

ApplicationGamma ray cameras
Input charge range0 keV to 700 keV
Number of pixels256 (16x16)
Pixel pitch1.6 mm
Energy resolution5% FWHM at 122 keV
Trigger thresholdProgrammable
OutputsEnergy and triggered channel
Power consumption250 mW (excluding CZT)
Dimensions25.4 mm x 25.4 mm x 20 mm