OP505 Series Phototransistors. The OP505 series, from Optek Technology Inc, are IR NPN silicon phototransistors. They are in 3mm (T-1) blue tinted epoxy packages. This compact package makes the OP505 series ideal for applications where space is limited.. Features of the OP505 IR NPN silicon phototransistors: OP505A, OP505B, OP505C, OP505D 3mm (T-1) through hole package Variety of sensitivities More information:  | | Number of Pins: | 2 | Mounting Type: | Through Hole | Dimensions: | 3.18 (Dia.) x 5.84mm | Height: | 5.84mm | Package Type: | T-1 |
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