Wide bandwidth, 800 - 1550 nm, DIN LSA 47256 (IEC 61754-3 ed 1.0) compliant fiber optic detector. This detector easily receives in the 850 to 1550 nm range. It features a very high responsivity and very fast operation. Dark current is less than 1.0 nA. This product features a solid machined stainless steel housing that resists corrosion and environmental attack. The optics are solidly mounted and are encapsulated with an epoxy product. The actual diode is hermetically sealed. The combination of these features produces an extremely rugged product.