Part Details for KA7912ATU by Fairchild Semiconductor Corporation
Results Overview of KA7912ATU by Fairchild Semiconductor Corporation
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (10 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (10 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
Applications
Consumer Electronics
Energy and Power Systems
Renewable Energy
KA7912ATU Information
KA7912ATU by Fairchild Semiconductor Corporation is a Linear Regulator IC.
Linear Regulator ICs are under the broader part category of Power Circuits.
A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.
Price & Stock for KA7912ATU
| Part # | Distributor | Description | Stock | Price | Buy | |
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Rochester Electronics | Fixed Negative Standard Regulator, 12V, PSFM3 RoHS: Compliant Status: Active Min Qty: 1 | 1000 |
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$0.2621 / $0.4227 | Buy Now |
Part Details for KA7912ATU
KA7912ATU CAD Models
KA7912ATU Part Data Attributes
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KA7912ATU
Fairchild Semiconductor Corporation
Buy Now
Datasheet
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KA7912ATU
Fairchild Semiconductor Corporation
Fixed Negative Standard Regulator, 12V, BIPolar, PSFM3, TO-220, 3 PIN
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Transferred | |
| Ihs Manufacturer | FAIRCHILD SEMICONDUCTOR CORP | |
| Part Package Code | TO-220 | |
| Package Description | TO-220, 3 PIN | |
| Pin Count | 3 | |
| Manufacturer Package Code | TO220, MOLDED, 3LD, NON-JEDEC, VARIATION AB [DUAL GUAGE] | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.31.00.01 | |
| Adjustability | FIXED | |
| Input Voltage Absolute-Max | 35 V | |
| Input Voltage-Max | 30 V | |
| Input Voltage-Min | 14.5 V | |
| JESD-30 Code | R-PSFM-T3 | |
| JESD-609 Code | e3 | |
| Line Regulation-Max | 0.24% | |
| Load Regulation-Max | 0.24% | |
| Number of Functions | 1 | |
| Number of Outputs | 1 | |
| Number of Terminals | 3 | |
| Operating Temperature TJ-Max | 125 °C | |
| Operating Temperature TJ-Min | ||
| Output Current1-Max | 1 A | |
| Output Voltage1-Max | 12.5 V | |
| Output Voltage1-Min | 11.5 V | |
| Output Voltage1-Nom | 12 V | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | SFM | |
| Package Equivalence Code | SIP3,.1TB | |
| Package Shape | RECTANGULAR | |
| Package Style | FLANGE MOUNT | |
| Packing Method | RAIL | |
| Qualification Status | Not Qualified | |
| Regulator Type | FIXED NEGATIVE SINGLE OUTPUT STANDARD REGULATOR | |
| Surface Mount | NO | |
| Technology | BIPOLAR | |
| Terminal Finish | MATTE TIN | |
| Terminal Form | THROUGH-HOLE | |
| Terminal Pitch | 2.54 mm | |
| Terminal Position | SINGLE | |
| Voltage Tolerance-Max | 5% |
Alternate Parts for KA7912ATU
This table gives cross-reference parts and alternative options found for KA7912ATU. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of KA7912ATU, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| L7912CV | STMicroelectronics | $0.1846 | Negative voltage regulators | KA7912ATU vs L7912CV |
| MC7912CTG | onsemi | $0.3264 | Linear Voltage Regulator, 1 A, 5 V, Negative Vout: -12 V; 4%; TJ = 0°C to +125°C, TO-220, SINGLE GAUGE, 3-LEAD, 50-TUBE | KA7912ATU vs MC7912CTG |
| MC7912CT_NL | Fairchild Semiconductor Corporation | Check for Price | Fixed Negative Standard Regulator, 12V, PSFM3, LEAD FREE, TO-220, 3 PIN | KA7912ATU vs MC7912CT_NL |
| MC7912CT | Samsung Semiconductor | Check for Price | Fixed Negative Standard Regulator, 12V, BIPolar, PSFM3, | KA7912ATU vs MC7912CT |
| LM7912CT | onsemi | Check for Price | 3-Terminal 1A Negative Voltage Regulator, 1000-TUBE | KA7912ATU vs LM7912CT |
| KA7912 | Samsung Semiconductor | Check for Price | Fixed Negative Standard Regulator, 12V, BIPolar, PSFM3, | KA7912ATU vs KA7912 |
| MC7912CT | Fairchild Semiconductor Corporation | Check for Price | Fixed Negative Standard Regulator, 12V, BIPolar, PSFM3, TO-220, 3 PIN | KA7912ATU vs MC7912CT |
| M5F7912 | Mitsubishi Electric | Check for Price | Fixed Negative Standard Regulator, 12V, BIPolar, PSFM3, | KA7912ATU vs M5F7912 |
| LM7912CT | Fairchild Semiconductor Corporation | Check for Price | Fixed Negative Standard Regulator, 12V, BIPolar, TO-220AB, 3 PIN | KA7912ATU vs LM7912CT |
| MC7912CT | onsemi | Check for Price | 12V FIXED NEGATIVE REGULATOR, PSFM3, D2PAK-3 | KA7912ATU vs MC7912CT |
KA7912ATU Frequently Asked Questions (FAQ)
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The maximum input voltage that can be applied to the KA7912ATU is 35V, although it's recommended to keep it below 30V for reliable operation.
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To ensure stability, a minimum output capacitance of 10uF with an ESR (Equivalent Series Resistance) of less than 5 ohms is recommended. Additionally, the input capacitor should be at least 1uF with an ESR of less than 10 ohms.
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The dropout voltage of the KA7912ATU is typically around 2V, which means the input voltage must be at least 2V higher than the output voltage for the regulator to function properly.
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The KA7912ATU is rated for operation up to 125°C, but its performance may degrade at high temperatures. It's recommended to derate the output current and input voltage at high temperatures to ensure reliable operation.
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A transient voltage suppressor (TVS) or a zener diode can be used to protect the KA7912ATU from input voltage surges or spikes. Additionally, a fuse or a current-limiting resistor can be used to prevent overcurrent conditions.