Note: Below is a high-fidelity text extraction (approx. 800 characters) for
C3987. For precise diagrams, and layout, please refer to the original PDF.
Ordering number:ENN2221B NPN Planar Silicon Darlington Transistor 2SC3987 Driver Applications www.datasheet4u.com Applications · Suitable for use in switching of L load (...
View more extracted text
tasheet4u.com Applications · Suitable for use in switching of L load (motor drivers, printer hammer drivers, relay drivers). Package Dimensions unit:mm 2041A [2SC3987] 10.0 3.2 3.5 7.2 Features · High DC current gain. · Large current capacity and wide ASO. · On-chip Zener diode of 60±10V between collector and base. · Uniformity in collector-to-base breakdown voltage due to the adoption of an accurate impurity diffusion process. · High inductive load handling capability. · Micaless package facilitating mounting. 4.5 2.8 18.1 16.0 5.6 14.0 1.6 1.2 0.75 1 2 3 2.55 2.4 2.4 0.7 2.