: Operates at a typical frequency of 570 kHz .
Based on technical listings, here are the most likely components associated with this identifier: 9e102 datasheet
She cataloged the projection, filed it beside a note that read "Unknown origin — possibly factory demo." She mailed the note to an engineer she trusted in a coastal plant where old turbines were still kept as monuments. The engineer wrote back with a single line: "We had a program like that once. Designation: mnemonic stabilizers. Decommissioned after incident 9e-1. Records redacted." : Operates at a typical frequency of 570 kHz
■ Adjustable output voltage range: 1.0V to VIN x 0.7V. ■ Maximum output current: 1.0 A (Max.) ■ Switching frequency: 570 kHz (Typ. BD9E102FJ-GE2 ROHM Semiconductor - Mouser Electronics 9e102 datasheet