LM340SX-12/NOPBAlternatives & Equivalent Parts
About LM340SX-12/NOPB
LM340SX-12/NOPB 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-12/NOPBSource | LM340S-12/NOPB | LM340SX-12 | LM51561QDSSRQ1 | SN74AUP2G32DQER |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Other | TO-XXX (Inc. DPAK) | Other | Small Outline No-lead | — |
| Pin Count | 4 | 4 | 4 | 13 | — |
| Temperature Range | ~ 125.0°C | ~ 125.0°C | ~ 70.0°C | -40.0°C ~ 150.0°C | — |
| Price | $0.5091 | $1.0725 | $0.5091 | $1.5620 | $0.1337 |
| Electrical Parameters | |||||
| Pbfree Code | Yes | Yes | No | Yes | — |
| Date Of Intro | 1998-04-01 | 1998-04-01 | — | 2020-03-01 | — |
| YTEOL | 15 | 15 | 0 | 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 | 35 V | 35 V | 30 V | 60 V | — |
| Input Voltage-Min | 14.5 V | 14.5 V | 14.5 V | 1.5 V | — |
| JESD-30 Code | R-PSSO-G3 | R-PSSO-G3 | R-PSSO-G3 | R-PDSO-N12 | — |
| JESD-609 Code | e3 | e3 | e0 | 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 | 1 | — |
| Number of Outputs | 1 | 1 | 1 | 1 | — |
| Operating Temperature TJ-Max | 125 °C | 125 °C | 125 °C | — | — |
| Output Current1-Max | 1.5 A | 1.5 A | 1 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 | PLASTIC/EPOXY | — |
| Package Equivalence Code | SIP3H,.55TB | SIP3H,.55TB | SIP3H,.55TB | — | — |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | — |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE, HEAT SINK/SLUG | — |
| Packing Method | TR | TUBE | TR | — | — |
| Peak Reflow Temperature (Cel) | 245 | 245 | 235 | 260 | — |
| 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 | YES | — |
| Technology | BIPOLAR | BIPOLAR | BIPOLAR | BICMOS | — |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | TIN LEAD | Tin (Sn) | — |
| Terminal Form | GULL WING | GULL WING | GULL WING | NO LEAD | — |
| Terminal Pitch | 2.54 mm | 2.54 mm | 2.54 mm | — | — |
| Terminal Position | SINGLE | SINGLE | SINGLE | DUAL | — |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 20 | 30 | — |
| Voltage Tolerance-Max | 5% | 5% | 5% | — | — |
| ## LM340SX-12/NOPB Alternates Showing results | Image | — | — | — | — |
| ## LM340S-12/NOPB Alternates Showing results | — | Image | — | — | — |
| Analog IC - Other Type | — | — | — | SWITCHING CONTROLLER | — |
| Control Mode | — | — | — | CURRENT-MODE | — |
| Control Technique | — | — | — | PULSE WIDTH MODULATION | — |
| Input Voltage-Nom | — | — | — | 12 V | — |
| Output Current-Max | — | — | — | 15 A | — |
| Output Voltage-Max | — | — | — | 300 V | — |
| Output Voltage-Min | — | — | — | 1.5 V | — |
| Screening Level | — | — | — | AEC-Q100 | — |
| Supply Current-Max (Isup) | — | — | — | 0.58 mA | — |
| Supply Voltage-Nom (Vsup) | — | — | — | 12 V | — |
| Switcher Configuration | — | — | — | BUCK-BOOST | — |
| Switching Frequency-Max | — | — | — | 2200 kHz | — |
| Temperature Grade | — | — | — | AUTOMOTIVE | — |
| ## LM51561QDSSRQ1 Alternates Showing results | — | — | — | Image | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Rochester Electronics LLC 12V FIXED POSITIVE REGULATOR, PSSO3, TO-263, 3 PIN
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Why Look for Alternatives?
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When evaluating LM340SX-12/NOPB 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 LM340SX-12/NOPB?
Known equivalents for LM340SX-12/NOPB include LM340S-12/NOPB, LM340SX-12, LM51561QDSSRQ1. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM340SX-12/NOPB?
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/NOPB 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.