Obsolete Parts: Transistors Our transistor range covers all semiconductor material from silicon to compound and all recognised switch structures. Technologies range from traditional bipolar to vertical DMOS to wide band-gap junction. Please select a sub-group from the list below: Available Sub-Groups for Obsolete Parts: RF Bipolar Junction (BJT)Bipolar Junction (BJT) Contact Email Sales Team Email Engineering Hi-Rel Die Products Our standard product range covers a wide temperature range and spans functions from simple diodes to complex digital ICs. Obsolete Die Recreation Matching of die size, wire-bond configuration and like-for-like electrical performance delivers a qualified replacement die solution. Discrete & IC Design Suitable for low-to-medium volume or hi-rel applications. We combine technical requirement with project economics for a viable die solution.