| LM340T127812 | | part details | | National Semiconductor | | 406 | | Avail | | 175 |
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| LM340T12-7812P+ | | part details | | NSC | | N/A | | Avail | | 67 |
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| LM340T12/7812 | | part details | | National Semiconductor | | 9352 | | Avail | | 45 |
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| LM340T127812 | | part details | | NSC | | | Avail | | 38 |
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| LM340T127812P+ | | part details | | NATNL SEMI | | | Avail | | 13 |
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| LM340T12-7812 | | part details | | NSC | | 3 | | Avail | | 10 |
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| LM340T12-7812P+ | | part details | | NSC | | 3 | | Avail | | 10 |
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| LM340T12 7812 P+ | | part details | | NSC | | | Avail | | 10 |
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| LM340T12 7812 P+ | | part details | | NSC (National Semiconduct | | | Avail | | 5 |
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| LM340T12/7812P+ | | part details | | NATIONAL SEMI | | 9712 | | Avail | | 1 |
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