LM340SX-12Alternatives & Equivalent Parts
About LM340SX-12
LM340SX-12 is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Other package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | LM340SX-12Source | LM340S-12/NOPB | LM340SX-12/NOPB |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Other | TO-XXX (Inc. DPAK) | Other |
| Pin Count | 4 | 4 | 4 |
| Temperature Range | ~ 70.0°C | ~ 125.0°C | ~ 125.0°C |
| Price | $0.5091 | $1.0725 | $0.5091 |
| Electrical Parameters | |||
| Pbfree Code | No | Yes | Yes |
| YTEOL | 0 | 15 | 15 |
| Adjustability | FIXED | FIXED | FIXED |
| Dropout Voltage1-Nom | 2 V | 2 V | 2 V |
| Input Voltage Absolute-Max | 35 V | 35 V | 35 V |
| Input Voltage-Max | 30 V | 35 V | 35 V |
| Input Voltage-Min | 14.5 V | 14.5 V | 14.5 V |
| JESD-30 Code | R-PSSO-G3 | R-PSSO-G3 | R-PSSO-G3 |
| JESD-609 Code | e0 | e3 | e3 |
| Line Regulation-Max | 0.06% | 0.06% | 0.06% |
| Load Regulation-Max | 0.12% | 0.12% | 0.12% |
| Number of Functions | 1 | 1 | 1 |
| Number of Outputs | 1 | 1 | 1 |
| Operating Temperature TJ-Max | 125 °C | 125 °C | 125 °C |
| Output Current1-Max | 1 A | 1.5 A | 1.5 A |
| Output Voltage1-Max | 12.6 V | 12.6 V | 12.6 V |
| Output Voltage1-Min | 11.4 V | 11.4 V | 11.4 V |
| Output Voltage1-Nom | 12 V | 12 V | 12 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SIP3H,.55TB | SIP3H,.55TB | SIP3H,.55TB |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Packing Method | TR | TUBE | TR |
| Peak Reflow Temperature (Cel) | 235 | 245 | 245 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR | FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR | FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR |
| Surface Mount | YES | YES | YES |
| Technology | BIPOLAR | BIPOLAR | BIPOLAR |
| Terminal Finish | TIN LEAD | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 2.54 mm | 2.54 mm | 2.54 mm |
| Terminal Position | SINGLE | SINGLE | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | 20 | 30 | 30 |
| Voltage Tolerance-Max | 5% | 5% | 5% |
| Date Of Intro | — | 1998-04-01 | 1998-04-01 |
| ## LM340S-12/NOPB Alternates Showing results | — | Image | — |
| ## LM340SX-12/NOPB Alternates Showing results | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Why Look for Alternatives?
Finding alternatives for LM340SX-12 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 LM340SX-12 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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Request Alternatives for LM340SX-12FAQ
What is equivalent to LM340SX-12?
Known equivalents for LM340SX-12 include LM340S-12/NOPB, LM340SX-12/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM340SX-12?
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 LM340SX-12 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.