

3x Mitsubishi 2SC1583F Dual NPN Transistor – Vintage NOS for RE-303 & TB-303
Upgrade or repair your RE-303 / TB-303 with an authentic Mitsubishi 2SC1583F dual NPN transistor, salvaged from Japan-era equipment
This rare NOS transistor was originally used in TB-303
This transistor delivers reliable amplification for VCF and VCO stages
It’s a premium choice over modern replacements, preserving original sound performance
Key Features & Specs
Manufacturer: Mitsubishi (Japan)
Part Number: 2SC1583F
Type: Dual NPN transistor
Maximum Ratings: Vceo 50 V, Ic 100 mA, Pd ~0.4 W
Transition Frequency: ~150 MHz
Original Usage: Roland TB-303,
Condition: NOS (New Old Stock), tested and ready for installation