LM317T-DGAlternatives & Equivalent Parts
About LM317T-DG
LM317T-DG is a Integrated Circuit component manufactured by STMicroelectronics. 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.
Need pricing on these alternatives?
Get one quote covering all 4 alternatives for LM317T-DG — response within 24 hours.
Specification Comparison
| Parameter | LM317T-DGSource | LM337SP | CR0603-FX-49R9ELF | LM317TG | LM317T |
|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | Bourns | ON Semiconductor | Texas Instruments |
| Package Type | Transistor Outline, Vertical | Transistor Outline, Vertical | Resistor Chip | Transistor Outline, Vertical | Transistor Outline, Vertical |
| Pin Count | 3 | 3 | 2 | 3 | 3 |
| Temperature Range | — | ~ 125.0°C | -55.0°C ~ 155.0°C | — | — |
| Price | $0.2457 | $0.4892 | $0.0013 | $0.1945 | $0.1890 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | OBSOLETE |
| Electrical Parameters | |||||
| Factory Lead Time | 8 Weeks | 8 Weeks | 12 Weeks | — | — |
| YTEOL | 6.01 | 6.21 | 13 | 6.01 | 0 |
| Adjustability | ADJUSTABLE | ADJUSTABLE | — | ADJUSTABLE | ADJUSTABLE |
| Dropout Voltage1-Nom | 1.8 V | 3 V | — | 3 V | 2.25 V |
| Input-Output Voltage Differential-Max | 40 V | 40 V | — | 40 V | 40 V |
| Input-Output Voltage Differential-Min | 3 V | 3 V | — | 3 V | 3 V |
| JESD-30 Code | R-XSFM-T3 | R-PSFM-T3 | — | R-PSFM-T3 | R-PSFM-T3 |
| JESD-609 Code | e3 | e3 | e3 | e3 | e0 |
| Line Regulation-Max (%/V) | 0.07 | 0.07 | — | 0.07 | 0.07 |
| Load Regulation-Max(%) | 1.5% | 1.5% | — | 5.8% | 1.5% |
| 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 | 1.5 A | — | 1.5 A | 1.5 A |
| Output Voltage1-Max | 37 V | 37 V | — | 37 V | 37 V |
| Output Voltage1-Min | 1.2 V | 1.2 V | — | 1.2 V | 1.2 V |
| Package Body Material | UNSPECIFIED | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SIP3,.1TB | SIP3,.1TB | — | SIP3,.1TB | — |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR PACKAGE | RECTANGULAR | RECTANGULAR |
| Package Style | FLANGE MOUNT | FLANGE MOUNT | SMT | FLANGE MOUNT | FLANGE MOUNT |
| Packing Method | TR | TUBE | TR, PAPER, 7 INCH | RAIL | TUBE |
| Qualification Status | Not Qualified | Not Qualified | — | Not Qualified | Not Qualified |
| Regulator Type | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR | ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR | — | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR |
| Surface Mount | NO | NO | YES | NO | NO |
| Technology | BIPOLAR | BIPOLAR | METAL GLAZE/THICK FILM | BIPOLAR | BIPOLAR |
| Terminal Finish | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed | TIN OVER NICKEL | Matte Tin (Sn) - annealed | Tin/Lead (Sn/Pb) |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | — | THROUGH-HOLE | THROUGH-HOLE |
| Terminal Pitch | 2.54 mm | 2.54 mm | — | 2.54 mm | 2.54 mm |
| Terminal Position | SINGLE | SINGLE | — | SINGLE | SINGLE |
| ## LM317T-DG Alternates Showing results | Image | — | — | — | — |
| Peak Reflow Temperature (Cel) | — | NOT SPECIFIED | — | — | NOT SPECIFIED |
| Time@Peak Reflow Temperature-Max (s) | — | NOT SPECIFIED | — | — | NOT SPECIFIED |
| ## LM337SP Alternates Showing results | — | Image | — | — | — |
| Pbfree Code | — | — | Yes | Yes | Yes |
| Reach Compliance Code | — | — | Compliant | — | — |
| Construction | — | — | Rectangular | — | — |
| Mounting Feature | — | — | SURFACE MOUNT | — | — |
| Package Height | — | — | 0.45 mm | — | — |
| Package Length | — | — | 1.6 mm | — | — |
| Package Width | — | — | 0.8 mm | — | — |
| Rated Power Dissipation (P) | — | — | 0.1 W | — | — |
| Rated Temperature | — | — | 70 °C | — | — |
| Resistance | — | — | 49.9 Ω | — | — |
| Resistor Type | — | — | FIXED RESISTOR | — | — |
| Size Code | — | — | 0603 | — | — |
| Temperature Coefficient | — | — | 100 ppm/°C | — | — |
| Terminal Shape | — | — | WRAPAROUND | — | — |
| Tolerance | — | — | 1% | — | — |
| Working Voltage | — | — | 75 V | — | — |
| Manufacturer Package Code | — | — | — | 221AB | — |
| Date Of Intro | — | — | — | — | 1989-01-01 |
| Input Voltage-Max | — | — | — | — | 40 V |
| Input Voltage-Min | — | — | — | — | 3 V |
| Voltage Tolerance-Max | — | — | — | — | 5% |
| ## LM317T Alternates Showing results | — | — | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 4 alternatives for LM317T-DG — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for LM317T-DG 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 LM317T-DG 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.
Can't Find What You Need?
Our sourcing team can help find compatible alternatives for LM317T-DG. Get expert recommendations within 24 hours.
FAQ
What is equivalent to LM317T-DG?
Known equivalents for LM317T-DG include LM337SP, CR0603-FX-49R9ELF, LM317TG. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM317T-DG?
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 LM317T-DG 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.