UN521L type equivalent, silicon npn epitaxial planar type.
0.65 0.425 0.425 1 2.0±0.2 1.3±0.1 0.65 q 3 2 0.9±0.1 0 to 0.1 q q q q q q q q q q q q q q q q q q q q UN5211 UN5212 UN5213 UN5214 UN5215 UN5216 UN5217 UN521.
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