LM340T-12/HALFAlternatives & Equivalent Parts
About LM340T-12/HALF
LM340T-12/HALF is a Transistor component manufactured by Texas Instruments. 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 | LM340T-12/HALFSource | LM340T-12/NOPB | LM340T-12 |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Transistor Outline, Vertical | Transistor Outline, Vertical | Transistor Outline, Vertical |
| Pin Count | 3 | 3 | 3 |
| Temperature Range | — | — | ~ 70.0°C |
| Price | $0.9100 | $0.9100 | $0.9100 |
| Electrical Parameters | |||
| YTEOL | EYTEOL | 15 | 0 |
| Pbfree Code | — | Yes | Yes |
| Date Of Intro | — | 1988-01-01 | 1989-01-01 |
| Adjustability | — | FIXED | FIXED |
| Dropout Voltage1-Nom | — | 2 V | 2 V |
| Input Voltage Absolute-Max | — | 35 V | 35 V |
| Input Voltage-Max | — | 35 V | 35 V |
| Input Voltage-Min | — | 14.5 V | 14.5 V |
| JESD-30 Code | — | R-PSFM-T3 | R-PSFM-T3 |
| JESD-609 Code | — | e3 | e0 |
| Line Regulation-Max | — | 0.06% | 0.06% |
| Load Regulation-Max | — | 0.12% | 0.12% |
| Number of Functions | — | 1 | 1 |
| Number of Outputs | — | 1 | 1 |
| Operating Temperature TJ-Max | — | 125 °C | 125 °C |
| Output Current1-Max | — | 1.5 A | 1.5 A |
| Output Voltage1-Max | — | 12.6 V | 12.6 V |
| Output Voltage1-Min | — | 11.4 V | 11.4 V |
| Output Voltage1-Nom | — | 12 V | 12 V |
| Package Body Material | — | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | — | SIP3,.1TB | SIP3,.1TB |
| Package Shape | — | RECTANGULAR | RECTANGULAR |
| Package Style | — | FLANGE MOUNT | FLANGE MOUNT |
| Packing Method | — | TUBE | RAIL |
| 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) | Tin/Lead (Sn/Pb) |
| Terminal Form | — | THROUGH-HOLE | THROUGH-HOLE |
| Terminal Pitch | — | 2.54 mm | 2.54 mm |
| Terminal Position | — | SINGLE | SINGLE |
| Voltage Tolerance-Max | — | 5% | 5% |
| Reach Compliance Code | — | — | Not Compliant |
| Peak Reflow Temperature (Cel) | — | — | NOT SPECIFIED |
| Time@Peak Reflow Temperature-Max (s) | — | — | NOT SPECIFIED |
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 LM340T-12/HALF 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 LM340T-12/HALF 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 LM340T-12/HALF?
Known equivalents for LM340T-12/HALF include LM340T-12/NOPB, LM340T-12. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM340T-12/HALF?
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 LM340T-12/HALF 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.