Part Details for LM340K-12 by National Semiconductor Corporation
Overview of LM340K-12 by National Semiconductor Corporation
- Distributor Offerings: (3 listings)
- Number of FFF Equivalents: (1 cross)
- 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.
Price & Stock for LM340K-12
| Part # | Distributor | Description | Stock | Price | Buy | |
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Bristol Electronics | Min Qty: 1 | 9 |
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$60.0000 | Buy Now |
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Quest Components | Voltage Regulator, +12V, Bi-Polar, 3 Pin, Metal, TO-204/-3 | 7 |
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$65.0000 | Buy Now |
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Component Electronics, Inc | IN STOCK SHIP TODAY | 1 |
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$12.5000 / $19.2300 | Buy Now |
Part Details for LM340K-12
LM340K-12 CAD Models
LM340K-12 Part Data Attributes:
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LM340K-12
National Semiconductor Corporation
Buy Now
Datasheet
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Compare Parts:
LM340K-12
National Semiconductor Corporation
Fixed Positive Standard Regulator, 12V, BIPolar, MBFM2
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| Rohs Code | No | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | NATIONAL SEMICONDUCTOR CORP | |
| Package Description | METAL CAN, TO-3, 2 PIN | |
| Reach Compliance Code | compliant | |
| Adjustability | FIXED | |
| Dropout Voltage1-Nom | 2 V | |
| Input Voltage Absolute-Max | 35 V | |
| Input Voltage-Max | 30 V | |
| Input Voltage-Min | 14.5 V | |
| JESD-30 Code | O-MBFM-P2 | |
| JESD-609 Code | e0 | |
| Line Regulation-Max | 0.06% | |
| Load Regulation-Max | 0.12% | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 1 | |
| Number of Outputs | 1 | |
| Number of Terminals | 2 | |
| Operating Temperature TJ-Max | 125 °C | |
| Operating Temperature TJ-Min | ||
| Output Current1-Max | 1 A | |
| Output Voltage1-Max | 12.6 V | |
| Output Voltage1-Min | 11.4 V | |
| Output Voltage1-Nom | 12 V | |
| Package Body Material | METAL | |
| Package Code | TO-3 | |
| Package Equivalence Code | TO-204/-3 | |
| Package Shape | ROUND | |
| Package Style | FLANGE MOUNT | |
| Packing Method | TRAY | |
| Peak Reflow Temperature (Cel) | 260 | |
| Qualification Status | Not Qualified | |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR | |
| Surface Mount | NO | |
| Technology | BIPOLAR | |
| Terminal Finish | TIN LEAD | |
| Terminal Form | PIN/PEG | |
| Terminal Position | BOTTOM | |
| Time@Peak Reflow Temperature-Max (s) | 40 | |
| Voltage Tolerance-Max | 5% |
Alternate Parts for LM340K-12
This table gives cross-reference parts and alternative options found for LM340K-12. 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 LM340K-12, 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 | Description | Manufacturer | Compare |
|---|---|---|---|
| LM340K-12/NOPB | 12V FIXED POSITIVE REGULATOR, MBFM2, ROHS COMPLIANT, METAL CAN, TO-3, 2 PIN | Rochester Electronics LLC | LM340K-12 vs LM340K-12/NOPB |