L78S09CVAlternatives & Equivalent Parts
About L78S09CV
L78S09CV is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a Transistor Outline, Vertical package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | L78S09CVSource | LM340K-5.0/NOPB |
|---|---|---|
| Manufacturer | STMicroelectronics | Texas Instruments |
| Package Type | Transistor Outline, Vertical | Other |
| Pin Count | 3 | 2 |
| Temperature Range | — | ~ 125.0°C |
| Price | $0.3341 | $55.6900 |
| Electrical Parameters | ||
| Factory Lead Time | 4 Weeks | — |
| YTEOL | 0 | 15 |
| Adjustability | FIXED | FIXED |
| Dropout Voltage1-Nom | 2 V | 2 V |
| Input Voltage Absolute-Max | 35 V | 35 V |
| Input Voltage-Max | 25 V | 35 V |
| Input Voltage-Min | 11 V | 7 V |
| JESD-30 Code | R-XSFM-T3 | O-MBFM-P2 |
| JESD-609 Code | e3 | — |
| Line Regulation-Max | 0.13% | 0.05% |
| Load Regulation-Max | 0.17% | 0.05% |
| Number of Functions | 1 | 1 |
| Number of Outputs | 1 | 1 |
| Operating Temperature TJ-Max | 150 °C | 125 °C |
| Output Current1-Max | 2 A | 1.5 A |
| Output Voltage1-Max | 9.4 V | 5.25 V |
| Output Voltage1-Min | 8.6 V | 4.75 V |
| Output Voltage1-Nom | 9 V | 5 V |
| Package Body Material | UNSPECIFIED | METAL |
| Package Equivalence Code | SIP3,.1TB | TO-204/-3 |
| Package Shape | RECTANGULAR | ROUND |
| Package Style | FLANGE MOUNT | FLANGE MOUNT |
| Packing Method | TUBE | TRAY |
| Qualification Status | Not Qualified | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR | FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR |
| Surface Mount | NO | NO |
| Technology | BIPOLAR | BIPOLAR |
| Terminal Finish | Matte Tin (Sn) | — |
| Terminal Form | THROUGH-HOLE | PIN/PEG |
| Terminal Pitch | 2.54 mm | — |
| Terminal Position | SINGLE | BOTTOM |
| Voltage Tolerance-Max | 4% | 5% |
| Pbfree Code | — | Yes |
| ## LM340K-5.0/NOPB Alternates Showing results | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Why Look for Alternatives?
Finding alternatives for L78S09CV is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating L78S09CV replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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What is equivalent to L78S09CV?
Known equivalents for L78S09CV include LM340K-5.0/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of L78S09CV?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify L78S09CV alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.