Type 2N5154 Geometry 9201 Polarity NPN Qual Level: JAN - JANS Generic Part Number: 2N5154 REF: MIL-PRF-19500/544 Features: · Silicon power transistor for use in high speed switching applications. · Housed in a TO-39 case. · Also available in chip form using the 9201 chip geometry. · The Min and Max limits shown are per MIL-PRF-19500/544 which Semicoa meets in all cases.