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Datasheet 2N491B Equivalent ( PDF ) |
| N.º | Número de pieza | Descripción | Fabricantes | |
| 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 as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number. Available as non-RoHS (Sn/Pb pla |
 Digitron |
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| 2 | 2N491B | Diode ( Rectifier ) |
 American Microsemiconductor |
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| 1 | 2N491B | Silicon Unijunction Transistor
145 Adams Avenue, Hauppauge, NY 11788 USA Tel: (631) 435-1110 • Fax: (631) 435-1824
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 Central Semiconductor |
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