© 2019 Thorlabs GmbH
1 General Information
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1 General Information
The PDA20C2 is a wideband, fixed-gain-amplified, large-area InGaAs detector designed for de-
tection of light signals from DC to 5 MHz. A buffered output drives up to 3.5 V into 50
W
loads.
The PDA20C2 is sensitive to light within the wavelength range of 800 nm to 1700 nm.
The PDA20C2 detector housing can be integrated in optical setups using convenient 8-32 and
M4 combi-thread mounting holes that are compatible with both imperial and metric threading.
The housing accommodates Thorlabs' SM05 (0.535"-40) and SM1 (1.035"-40) threaded adap-
ters and accessories. This allows convenient mounting of external optics, light filters, and aper-
tures. The product includes a SM1T1 SM1 Coupler Body which adapts the external thread to
an internal thread and holds the SM1RR Retaining Ring and a reusable protective plastic cover
cap. For accessories, please visit our
.
A ±12 VDC power supply is included with each amplified photodetector. The appropriate input
voltage
(100 VAC, 120 VAC, 230 VAC) can be selected with a switch on the
.
Attention
Please find all safety information and warnings concerning this product in the chapter
in the Appendix.
1.1 Ordering Codes and Accessories
PDA20C2:
InGaAs Amplified Photodetector, 800 - 1700 nm, Bandwidth Range DC-5MHz, Ac-
tive Area 3.14 mm
2
, Combi-Thread Mounting Holes Compatible with 8-32 and M4
Threads
Included Accessories
·
Power Supply (±12V, 0.2A), 100 VAC, 120 VAC or 230 VAC Line Voltage
·
Plastic Cover Cap on an included
Optional Accessories
·
PDA-C-72 DC power supply cable to PDA20C2: This cable has a connector on one end
and open wires at the other. The pin-out of the PDA20C2 DC power jack is shown in the
appendixof the full manual.
Please visit our homepage
for various accessories like fiber adapters,
posts and post holders, data sheets and further information.
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