--- type: product schema_version: 1 stock_number: "53770-7" canonical_url: "https://www.artisantg.com/53770-7/OSI-Optoelectronics-SPOT-9D" json_url: "https://www.artisantg.com/53770-7/OSI-Optoelectronics-SPOT-9D.json" generated_at: "2026-11-08T06:21:21.456Z" last_updated: "2026-10-22T13:50:41.837-05:00" --- # OSI Optoelectronics / United Detector Technology SPOT-9D Photodiode _Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._ ## Summary - Manufacturer: OSI Optoelectronics - Model: SPOT-9D - Condition: Used and in Excellent Condition - Price: $195.00 USD - Availability: In stock, 2 available - Warranty: 1-Year Warranty with 30-Day Return Guarantee - ITAR restricted: No - Shipping weight: 1 lb, estimated - Shipping dimensions: 8X8X3 in, estimated ## Categories - Test Equipment > Optical Test > Optical-to-Electrical (primary) - Military and Embedded Equipment > Embedded & Industrial > Other Modular ## Details This unit includes a storage case. ### Configuration - Series: Four-Element, Metal Package - Active Area (mm2): 19.6 - Dimensions (mm): 10Ø - Capacitance at -10V (pF): 60 - Dark Current at -10V (nA): 10.0 Part Number: 11-04-004 ## Function This is a SPOT-9D photodiode from OSI Optoelectronics/UDT (United Detector Technology). Here are the key specifications: **Product Details:** - **Model:** SPOT-9D - **Part Number:** 11-04-004 - **Type:** Four-element photodiode in metal package - **Package:** Includes storage case **Technical Specifications:** - **Active Area:** 19.6 mm² - **Package Diameter:** 10 mm (TO-5 or similar metal can package) - **Capacitance:** 60 pF @ -10V bias - **Dark Current:** 10 nA @ -10V bias **Key Features:** - Four-element design allows for position sensing or quadrant detection applications - Metal package provides good electromagnetic shielding - Relatively low dark current (10 nA) indicates good performance for precision applications - Moderate capacitance suitable for medium-speed applications **Typical Applications:** - Beam position monitoring - Laser beam alignment - Optical positioning systems - Null detection - Quadrant sensing The SPOT-9D is commonly used in applications requiring precise position sensing or beam centering, where the four separate elements can detect the position of a light spot by comparing the signals from each quadrant. ## Images - - - - -