2N489(A,B)-2N494(A,B) High-reliability discrete p.
Digitron
3
2N491B - SILICON UNIJUNCTION TRANSISTORS
2N489(A,B)-2N494(A,B) High-reliability discrete products and engineering services since 1977 SILICON UNIJUNCTION TRANSISTORS FEATURES Available a.
Central Semiconductor
2
2N491B - Silicon Unijunction Transistor
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