| Fairchild Part | Orderable | Industry Part | Manufacturer | Type | Family | Description |
| KA431S | KA431SLMFTF Buy | LM431CCM3 Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 2% Tolerance Shunt Regulator |
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| KA431S | KA431SMFTF Buy | LM431CCM3/NOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 2% Tolerance Shunt Regulator |
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| KA431S | KA431SMFTF Buy | LM431CCM3NOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 2% Tolerance Shunt Regulator |
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| KA431S | KA431SMFTF Buy | LM431CCM3X Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 2% Tolerance Shunt Regulator |
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| KA431S | KA431SLMFTF Buy | LM431CCM3X/NOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 2% Tolerance Shunt Regulator |
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| KA431S | KA431SMFTF Buy | LM431CCM3XNOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 2% Tolerance Shunt Regulator |
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| LM431SA | LM431SACMFX Buy | LM431CCM3 Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 2% Tolerance Shunt Regulator |
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| LM431SA | LM431SACMFX Buy | LM431CCM3/NOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 2% Tolerance Shunt Regulator |
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| LM431SA | LM431SACMFX Buy | LM431CCM3NOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 2% Tolerance Shunt Regulator |
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| LM431SA | LM431SACMFX Buy | LM431CCM3X Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 2% Tolerance Shunt Regulator |
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| LM431SA | LM431SACMFX Buy | LM431CCM3X/NOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 2% Tolerance Shunt Regulator |
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| LM431SA | LM431SACMFX Buy | LM431CCM3XNOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 2% Tolerance Shunt Regulator |
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| LM431SAI | LM431SAIMFX Buy | LM431CCM3 Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 2% Tolerance Shunt Regulator |
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| LM431SAI | LM431SAIMFX Buy | LM431CCM3/NOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 2% Tolerance Shunt Regulator |
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| LM431SAI | LM431SAIMFX Buy | LM431CCM3X Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 2% Tolerance Shunt Regulator |
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| LM431SAI | LM431SAIMFX Buy | LM431CCM3X/NOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 2% Tolerance Shunt Regulator |
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| LM431SB | LM431SBCMFX Buy | LM431CCM3 Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 1% Tolerance Shunt Regulator |
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| LM431SB | LM431SBCMFX Buy | LM431CCM3/NOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 1% Tolerance Shunt Regulator |
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| LM431SB | LM431SBCMFX Buy | LM431CCM3NOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 1% Tolerance Shunt Regulator |
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| LM431SB | LM431SBCMFX Buy | LM431CCM3X Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 1% Tolerance Shunt Regulator |
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| LM431SB | LM431SBCMFX Buy | LM431CCM3X/NOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 1% Tolerance Shunt Regulator |
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| LM431SB | LM431SBCMFX Buy | LM431CCM3XNOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 1% Tolerance Shunt Regulator |
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| LM431SC | LM431SCCMFX Buy | LM431CCM3 Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 0.5% Tolerance Shunt Regulator |
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| LM431SC | LM431SCCMFX Buy | LM431CCM3/NOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 0.5% Tolerance Shunt Regulator |
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| LM431SC | LM431SCCMFX Buy | LM431CCM3NOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 0.5% Tolerance Shunt Regulator |
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| LM431SC | LM431SCCMFX Buy | LM431CCM3X Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 0.5% Tolerance Shunt Regulator |
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| LM431SC | LM431SCCMFX Buy | LM431CCM3X/NOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 0.5% Tolerance Shunt Regulator |
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| LM431SC | LM431SCCMFX Buy | LM431CCM3XNOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 0.5% Tolerance Shunt Regulator |
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