BD139 Medium Power NPN Transistor from Japan
BD139 is a medium-power NPN transistor (80V/1.5A) for audio drivers and switching applications. HTS 8541.29.00 classification. Popular in European amplifier designs.
Duty Rate — Japan → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Specify thermal resistance for heat sink design requirements
• Include safe operating area (SOA) for pulsed audio applications
• Comply with automotive AEC-Q101 qualification if specified