Product Overview
The B Series Lead Selenide (PbSe) Infrared Detectors offer high performance in the 1-5 micron spectrum, balancing sensitivity, fast response, and industry-leading reliability for material analysis. These single-channel, uncooled and cooled devices provide high signal-to-noise performance for wide measurement dynamic ranges and are ideal for real-time measurements. Their high durability ensures long life and minimizes maintenance costs. Available in standard configurations with options for element size, cooling, and package type, they cater to diverse system and application requirements. Cooled units enhance sensitivity for low-level signals and stability in fluctuating environments. Opto Diode has over 25 years of experience manufacturing high-performance PbS and PbSe infrared detectors, ensuring consistent, repeatable performance and dedicated customer support from prototyping to high-volume production. Custom requirements can be met by contacting the sales team.
Product Attributes
- Brand: ITW Company (Opto Diode)
- Material: Lead Selenide (PbSe)
- Spectrum Range: Deep UV to Mid-IR, 1-5 Micron Region
- Detector Type: Single Channel, Uncooled and Cooled
Technical Specifications
| Model # | Part # | Description - Size | Package Type | Active Element Area (mm) | Element Operating Temp. (C) | Peak Sensitivity Wavelength p (m) | D* p, 1000 Hz, 1 Hz (cm/W) | Responsivity p, 1000 Hz (V/W) | Resistance (M) | Time Constant (sec) | Window Type | Absolute Ratings Storage & Operating Temperature (C) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BXP Series - Uncooled PbSe Packaged IR Detectors | ||||||||||||
| BXP-15E | 40785 | 1 mm x 1 mm | TO5 | 1 | +23 | 3.6 - 3.8 | 7.0x10 - 2.0x10 | 1.5x10 - 3.0x10 | 0.7 - 1.5 | 2 - 5 | Flat Sapphire | -40 to +85 |
| BXP-25M | 40573 | 2 mm x 2 mm | TO5 | 4 | +23 | 3.6 - 3.8 | 1.0x10 - 2.0x10 | 7.5x10 - 1.5x10 | 0.1 - 2.5 | 2 - 5 | ARSi | -40 to +85 |
| BXP-35E | 40055 | 3 mm x 3 mm | TO5 | 9 | +23 | 3.6 - 3.8 | 2.65x10 - 1.5x10 | 4.75x10 - 1.5x10 | 0.5 - 1.75 | 2 - 5 | Flat Sapphire | -40 to +85 |
| BXP-35F | 40333 | 3 mm x 3 mm | TO5 | 9 | +23 | 3.6 - 3.8 | 5.0x10 - 1.5x10 | 6.0x10 - 1.0x10 | 0.5 - 1.0 | 2 - 5 | 2.4 m Longpass Ge Filter | -40 to +85 |
| BXT1 Series - One Stage Cooled PbSe Packaged IR Detectors | ||||||||||||
| BXT1-28TE | 40521 | 2 mm x 2 mm | TO8 | 4 | -25 | 4.0 - 4.2 | 1.4x10 - 2.8x10 | 2.0x10 - 3.0x10 | 0.5 - 10.0 | 6 - 12 | Flat Sapphire | -40 to +85 |
| BXT1-37T | 40136 | 3 mm x 3 mm | TO37 | 9 | -25 | 4.0 - 4.2 | 1.4x10 - 2.8x10 | 1.3x10 - 2.0x10 | 0.5 - 10.0 | 6 - 12 | Flat Sapphire | -40 to +85 |
| BXT2 Series - Two Stage Cooled PbSe Packaged IR Detectors | ||||||||||||
| BXT2-17T | 40174 | 1 mm x 1 mm | TO37 | 1 | -35 | 4.1 - 4.3 | 1.6x10 - - | 6.6x10 - - | 1.0 - 15.0 | 8 - 14 | Flat Sapphire | -40 to +85 |
| BXT2-17TF | 40065 | 1 mm x 1 mm | TO37 | 1 | -30 | 4.3 - 4.7 | 2.4x10 - - | 1.2x10 - - | 1.5 - 7.0 | 8 - 14 | 4.7 m Bandpass Si Filter | -40 to +85 |
| BXT2-27 | 40587 | 2 mm x 2 mm | TO37 | 4 | -30 | 4.1 - 4.3 | 1.8x10 - - | 3.0x10 - - | 1.0 - 4.5 | 8 - 14 | Flat Sapphire | -40 to +85 |
| BXT2-37T | 40071 | 3 mm x 3 mm | TO37 | 9 | -35 | 4.1 - 4.3 | 1.6x10 - - | 2.2x10 - - | 1.0 - 15.0 | 8 - 14 | Flat Sapphire | -40 to +85 |
| BXT2S-28T | 40186 | 2 mm x 2 mm | TO8 | 4 | -45 | 4.3 - 4.5 | 2.0x10 - 3.5x10 | 5.0x10 - 7.5x10 | 1.0 - 15.0 | 12 - 25 | Flat Sapphire | -40 to +85 |
| BXT2S-38T | 40203 | 3 mm x 3 mm | TO8 | 9 | -45 | 4.3 - 4.5 | 2.0x10 - 3.5x10 | 3.3x10 - 5.0x10 | 1.0 - 15.0 | 12 - 25 | Flat Sapphire | -40 to +85 |
| BXT2S-68TE | 40076 | 6 mm x 6 mm | TO8 | 36 | -25 | 4.3 - 4.5 | 1.5x10 - - | 1.65x10 - 2.5x10 | 1.0 - 15.0 | 12 - 25 | Flat Sapphire | -40 to +85 |
Applications: Gas analysis (Medical, Industrial), Emissions monitoring, Spectroscopy, Process control systems, Thermal imaging, Defense and security.
Specifications apply at a bias voltage (Vbias) of 25 V/mm for cooled and 35 V/mm for uncooled detectors with either a 1 M or 0.5 M load resistor in series.
Specifications apply at maximum cooling with a heat sink at +25 C. Typical cooler power at max cooling: BXT1 0.8 V @ 1.5 A, BXT2 0.8 V @ 1.2 A, BX2S 1.9 V @ 1.2 A.
Max rated element temperature is 85 C.
2411200012_Opto-Diode-Corp-42413_C20010763.pdf
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