LM340T-15Alternatives & Equivalent Parts
About LM340T-15
LM340T-15 is a Integrated Circuit 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-15Source | LF33ABV | LD1084V | LM340T-15/NOPB |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | STMicroelectronics | STMicroelectronics | Texas Instruments |
| Package Type | Transistor Outline, Vertical | Transistor Outline, Vertical | Transistor Outline, Vertical | Transistor Outline, Vertical |
| Pin Count | 3 | 3 | 3 | 3 |
| Temperature Range | ~ 70.0°C | — | — | ~ 125.0°C |
| Price | $0.8680 | $0.3260 | $0.9500 | $1.1200 |
| Electrical Parameters | ||||
| Pbfree Code | Yes | — | — | Yes |
| Date Of Intro | 1989-01-01 | — | — | — |
| YTEOL | 0 | 5.9 | 0 | 15 |
| Adjustability | FIXED | FIXED | ADJUSTABLE | FIXED |
| Dropout Voltage1-Nom | 2 V | 0.4 V | 1.3 V | 2 V |
| Input Voltage Absolute-Max | 35 V | 40 V | — | 35 V |
| Input Voltage-Max | 35 V | 16 V | — | 35 V |
| Input Voltage-Min | 17.5 V | 4.3 V | — | 17.5 V |
| JESD-30 Code | R-PSFM-T3 | R-PSFM-T3 | R-XSFM-T3 | R-PSFM-T3 |
| JESD-609 Code | e0 | e4 | e3 | e3 |
| Line Regulation-Max | 0.15% | 0.016% | — | 0.15% |
| Load Regulation-Max | 0.15% | 0.016% | — | 0.15% |
| Number of Functions | 1 | 1 | 1 | 1 |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Operating Temperature TJ-Max | 125 °C | 125 °C | 125 °C | 125 °C |
| Output Current1-Max | 1.5 A | 0.5 A | 5 A | 1.5 A |
| Output Voltage1-Max | 15.75 V | 3.366 V | 1.275 V | 15.75 V |
| Output Voltage1-Min | 14.25 V | 3.234 V | 1.225 V | 14.25 V |
| Output Voltage1-Nom | 15 V | 3.3 V | — | 15 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | UNSPECIFIED | PLASTIC/EPOXY |
| Package Equivalence Code | SIP3,.1TB | SIP3,.1TB | SIP3,.1TB | SIP3,.1TB |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | FLANGE MOUNT | FLANGE MOUNT | FLANGE MOUNT | FLANGE MOUNT |
| Packing Method | TUBE | TUBE | TUBE | TUBE |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED | 260 | — | — |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR | FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR |
| Surface Mount | NO | NO | NO | NO |
| Technology | BIPOLAR | BIPOLAR | BIPOLAR | BIPOLAR |
| Terminal Finish | Tin/Lead (Sn/Pb) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE |
| Terminal Pitch | 2.54 mm | 2.55 mm | 2.54 mm | 2.54 mm |
| Terminal Position | SINGLE | SINGLE | SINGLE | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | — | — | — |
| Voltage Tolerance-Max | 5% | 1% | — | 5% |
| ## LM340T-15 Alternates Showing results | Image | — | — | — |
| Factory Lead Time | — | 8 Weeks | — | — |
| Dropout Voltage1-Max | — | 0.7 V | 1.5 V | — |
| Operating Temperature TJ-Min | — | -40 °C | -40 °C | — |
| Line Regulation-Max (%/V) | — | — | 0.014 | — |
| Load Regulation-Max(%) | — | — | 0.4% | — |
| ## LD1084V 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 LM340T-15 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-15 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 LM340T-15FAQ
What is equivalent to LM340T-15?
Known equivalents for LM340T-15 include LF33ABV, LD1084V, LM340T-15/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM340T-15?
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-15 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.