LM2991 Série
| Mfr. Partie# | Description | Fabricant | En stock | Opération | 
| LM2991S/NOPB | IC REG LIN NEG ADJ 1A DDPAK | Texas Instruments | 9690 | 
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| LM2991T/NOPB | IC REG LIN NEG ADJ 1A TO220-5 | Texas Instruments | 6988 | 
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| LM2991T/LF03 | IC REG LIN NEG ADJ 1A TO220-5 | Texas Instruments | 5860 | 
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| LM2991T | IC REG LIN NEG ADJ 1A TO220-5 | Texas Instruments | 4840 | 
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| LM2991T/LB03 | IC REG LIN NEG ADJ 1A TO220-5 | Texas Instruments | 9851 | 
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