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.
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Specification Comparison
| Parameter | LM340SX-12/NOPBSource | LM340S-12/NOPB | LM340SX-12 | LM51561QDSSRQ1 | SN74AUP2G32DQER | 1N4448WSF-7 |
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Diodes Inc. |
| Package Type | Other | TO-XXX (Inc. DPAK) | Other | Small Outline No-lead | — | Other |
| Pin Count | 4 | 4 | 4 | 13 | — | 2 |
| Temperature Range | ~ 125.0°C | ~ 125.0°C | ~ 70.0°C | -40.0°C ~ 150.0°C | — | -65.0°C ~ 150.0°C |
| Price | $0.5091 | $1.0725 | $0.5091 | $1.5620 | $0.1337 | $0.0309 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | OBSOLETE | ACTIVE | — | ACTIVE |
| Electrical Parameters | ||||||
| Pbfree Code | Yes | Yes | No | Yes | — | Yes |
| Date Of Intro | 1998-04-01 | 1998-04-01 | — | 2020-03-01 | — | — |
| YTEOL | 15 | 15 | 0 | 15 | — | 6 |
| 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 | — | R-PDSO-F2 |
| JESD-609 Code | e3 | e3 | 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 | 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 | — | PLASTIC/EPOXY |
| Package Equivalence Code | SIP3H,.55TB | SIP3H,.55TB | SIP3H,.55TB | — | — | — |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | — | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE, HEAT SINK/SLUG | — | SMALL OUTLINE |
| Packing Method | TR | TUBE | TR | — | — | — |
| Peak Reflow Temperature (Cel) | 245 | 245 | 235 | 260 | — | 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 | — | YES |
| Technology | BIPOLAR | BIPOLAR | BIPOLAR | BICMOS | — | — |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | TIN LEAD | Tin (Sn) | — | MATTE TIN |
| Terminal Form | GULL WING | GULL WING | GULL WING | NO LEAD | — | FLAT |
| Terminal Pitch | 2.54 mm | 2.54 mm | 2.54 mm | — | — | — |
| Terminal Position | SINGLE | SINGLE | SINGLE | DUAL | — | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 20 | 30 | — | 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 | — | 0.25 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 | — | — |
| Factory Lead Time | — | — | — | — | — | 12 Weeks |
| Additional Feature | — | — | — | — | — | HIGH RELIABILITY |
| Application | — | — | — | — | — | GENERAL PURPOSE |
| Configuration | — | — | — | — | — | SINGLE |
| Diode Element Material | — | — | — | — | — | SILICON |
| Diode Type | — | — | — | — | — | RECTIFIER DIODE |
| Forward Voltage-Max (VF) | — | — | — | — | — | 0.72 V |
| Non-rep Pk Forward Current-Max | — | — | — | — | — | 4 A |
| Number of Elements | — | — | — | — | — | 1 |
| Number of Phases | — | — | — | — | — | 1 |
| Power Dissipation-Max | — | — | — | — | — | 0.4 W |
| Rep Pk Reverse Voltage-Max | — | — | — | — | — | 75 V |
| Reverse Recovery Time-Max | — | — | — | — | — | 0.004 µs |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Get one quote covering all 5 alternatives for LM340SX-12/NOPB — response within 24 hours.
Quick Links
Rochester Electronics LLC 12V FIXED POSITIVE REGULATOR, PSSO3, TO-263, 3 PIN
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Why Look for Alternatives?
Finding alternatives for LM340SX-12/NOPB 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/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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FAQ
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.