| Fairchild Part | Orderable | Industry Part | Manufacturer | Type | Family | Description |
| KA431A | KA431AZBU Buy | LM431CIZ Buy | Rochester Electronics Inc | Close | Voltage Reference and Shunt | Adjustable/2.5V, 1% Tolerance Shunt Regulator |
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| KA431A | KA431AZBU Buy | LM431CIZ/NOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 1% Tolerance Shunt Regulator |
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| KA431A | KA431AZBU Buy | LM431CIZNOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 1% Tolerance Shunt Regulator |
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| KA431A | KA431AZTA Buy | LM431CIZX Buy | Fairchild | Close | Voltage Reference and Shunt | Adjustable/2.5V, 1% Tolerance Shunt Regulator |
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| KA431A | KA431AZTA Buy | LM431CIZXA Buy | Fairchild | Close | Voltage Reference and Shunt | Adjustable/2.5V, 1% Tolerance Shunt Regulator |
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| KA431L | KA431LZTA Buy | LM431CIZ Buy | Rochester Electronics Inc | Close | Voltage Reference and Shunt | Adjustable/2.5V, 0.5% Tolerance Shunt Regulator |
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| KA431L | KA431LZTA Buy | LM431CIZ/NOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 0.5% Tolerance Shunt Regulator |
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| KA431L | KA431LZTA Buy | LM431CIZNOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 0.5% Tolerance Shunt Regulator |
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| KA431L | KA431LZTA Buy | LM431CIZX Buy | Fairchild | Close | Voltage Reference and Shunt | Adjustable/2.5V, 0.5% Tolerance Shunt Regulator |
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| KA431L | KA431LZTA Buy | LM431CIZXA Buy | Fairchild | Close | Voltage Reference and Shunt | Adjustable/2.5V, 0.5% Tolerance Shunt Regulator |
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| LM431A | LM431AIZ Buy | LM431CIZ Buy | Fairchild | Close | Voltage Reference and Shunt | Adjustable/2.5V, 2% Tolerance Shunt Regulator |
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| LM431A | LM431ACZX Buy | LM431CIZ/NOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 2% Tolerance Shunt Regulator |
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| LM431A | LM431ACZ Buy | LM431CIZNOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 2% Tolerance Shunt Regulator |
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| LM431A | LM431AIZ Buy | LM431CIZX Buy | Fairchild | Close | Voltage Reference and Shunt | Adjustable/2.5V, 2% Tolerance Shunt Regulator |
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| LM431A | LM431ACZ Buy | LM431CIZXA Buy | Fairchild | Close | Voltage Reference and Shunt | Adjustable/2.5V, 2% Tolerance Shunt Regulator |
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| LM431B | LM431BIZX Buy | LM431CIZ Buy | Rochester Electronics Inc | Close | Voltage Reference and Shunt | Adjustable/2.5V, 1% Tolerance Shunt Regulator |
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| LM431B | LM431BCZXA Buy | LM431CIZ/NOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 1% Tolerance Shunt Regulator |
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| LM431B | LM431BCZXA Buy | LM431CIZNOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 1% Tolerance Shunt Regulator |
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| LM431B | LM431BIZX Buy | LM431CIZX Buy | Fairchild | Close | Voltage Reference and Shunt | Adjustable/2.5V, 1% Tolerance Shunt Regulator |
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| LM431B | LM431BIZX Buy | LM431CIZXA Buy | Fairchild | Close | Voltage Reference and Shunt | Adjustable/2.5V, 1% Tolerance Shunt Regulator |
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| LM431C | LM431CCZ Buy | LM431CIZ Buy | Fairchild | Close | Voltage Reference and Shunt | Adjustable/2.5V, 0.5% Tolerance Shunt Regulator |
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| LM431C | LM431CCZ Buy | LM431CIZ/NOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 0.5% Tolerance Shunt Regulator |
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| LM431C | LM431CCZ Buy | LM431CIZNOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 0.5% Tolerance Shunt Regulator |
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| LM431C | LM431CCZXA Buy | LM431CIZX Buy | Fairchild | Close | Voltage Reference and Shunt | Adjustable/2.5V, 0.5% Tolerance Shunt Regulator |
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| LM431C | LM431CCZXA Buy | LM431CIZXA Buy | Fairchild | Close | Voltage Reference and Shunt | Adjustable/2.5V, 0.5% Tolerance Shunt Regulator |
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| TL431 | TL431CLPX Buy | LM431CIZ/NOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 2% Tolerance Shunt Regulator |
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| TL431 | TL431CLP Buy | LM431CIZNOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 2% Tolerance Shunt Regulator |
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| TL431 | TL431CLP Buy | LM431CIZX Buy | Fairchild | Close | Voltage Reference and Shunt | Adjustable/2.5V, 2% Tolerance Shunt Regulator |
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| TL431 | TL431CLP Buy | LM431CIZXA Buy | Fairchild | Close | Voltage Reference and Shunt | Adjustable/2.5V, 2% Tolerance Shunt Regulator |
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| TL431A | TL431ACLPX Buy | LM431CIZ Buy | Rochester Electronics Inc | Close | Voltage Reference and Shunt | Adjustable/2.5V, 1% Tolerance Shunt Regulator |
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| TL431A | TL431ACZ Buy | LM431CIZ/NOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 1% Tolerance Shunt Regulator |
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| TL431A | TL431ACLP Buy | LM431CIZNOPB Buy | National Semiconductor | Close | Voltage Reference and Shunt | Adjustable/2.5V, 1% Tolerance Shunt Regulator |
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| TL431A | TL431ACLPX Buy | LM431CIZX Buy | Fairchild | Close | Voltage Reference and Shunt | Adjustable/2.5V, 1% Tolerance Shunt Regulator |
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| TL431A | TL431ACLP Buy | LM431CIZXA Buy | Fairchild | Close | Voltage Reference and Shunt | Adjustable/2.5V, 1% Tolerance Shunt Regulator |
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