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Composite Transistors
XN0121E (XN121E)
Silicon NPN epitaxial planar type
Unit: mm
For switching/digital circuits ■ Features
• Two elements incorporated into one package (Emitter-coupled transistors with built-in resistor) • Reduction of the mounting area and assembly cost by one half
3
2.90+0.20 –0.05 1.9±0.1 (0.95) (0.95) 4 5
0.16+0.10 –0.06
1.50+0.25 –0.05
2.8+0.2 –0.3
2 0.30+0.10 –0.05 10˚
1
■ Basic Part Number
• UNR221E (UN221E) × 2
1.1+0.2 –0.1
(0.
XN0121E Datasheet
