LR645N5-GAlternatives & Equivalent Parts
About LR645N5-G
LR645N5-G is a Integrated Circuit component manufactured by Microchip. 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.
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Specification Comparison
| Parameter | LR645N5-GSource | MC7912CTG | BAT42 | L7912ACV |
|---|---|---|---|---|
| Manufacturer | Microchip | ON Semiconductor | STMicroelectronics | STMicroelectronics |
| Package Type | Transistor Outline, Vertical | Transistor Outline, Vertical | Diodes, Axial Diameter Horizontal Mounting | Transistor Outline, Vertical |
| Pin Count | 3 | 3 | 2 | 3 |
| Temperature Range | — | — | -65.0°C ~ 125.0°C | — |
| Price | $0.6700 | $0.2073 | $0.0207 | $0.2610 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | END OF LIFE | ACTIVE |
| Electrical Parameters | ||||
| Manufacturer Package Code | TO-220-3 | 221AB | — | — |
| Factory Lead Time | 8 Weeks | — | 25 Weeks | 8 Weeks |
| YTEOL | 10 | 6.14 | 1 | 6.14 |
| Adjustability | FIXED | FIXED | — | FIXED |
| Input Voltage Absolute-Max | 450 V | 35 V | — | 35 V |
| Input Voltage-Max | 450 V | 30 V | — | 30 V |
| Input Voltage-Min | 15 V | 14.5 V | — | 14.5 V |
| JESD-30 Code | R-PSFM-T3 | R-PSFM-T3 | O-LALF-W2 | R-XSFM-T3 |
| JESD-609 Code | e3 | e3 | e3 | e4 |
| Line Regulation-Max | 0.2% | 0.24% | — | 0.24% |
| Load Regulation-Max | 0.4% | 0.24% | — | 0.24% |
| Number of Functions | 1 | 1 | — | 1 |
| Number of Outputs | 1 | 1 | — | 1 |
| Operating Temperature TJ-Max | 125 °C | 125 °C | — | 125 °C |
| Operating Temperature TJ-Min | -40 °C | — | — | — |
| Output Current1-Max | 0.003 A | 1 A | — | 1.5 A |
| Output Voltage1-Max | 11.5 V | 12.6 V | — | 12.5 V |
| Output Voltage1-Min | 9 V | 11.4 V | — | 11.5 V |
| Output Voltage1-Nom | 10 V | 12 V | — | 12 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | GLASS | UNSPECIFIED |
| Package Equivalence Code | SIP3,.1TB | SIP3,.1TB | — | SIP3,.1TB |
| Package Shape | RECTANGULAR | RECTANGULAR | ROUND | RECTANGULAR |
| Package Style | FLANGE MOUNT | FLANGE MOUNT | LONG FORM | FLANGE MOUNT |
| Packing Method | TUBE | RAIL | — | TUBE |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR | FIXED NEGATIVE SINGLE OUTPUT STANDARD REGULATOR | — | FIXED NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
| Screening Level | TS 16949 | — | — | — |
| Surface Mount | NO | NO | NO | NO |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) - annealed | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | WIRE | THROUGH-HOLE |
| Terminal Pitch | 2.54 mm | — | — | 2.54 mm |
| Terminal Position | SINGLE | SINGLE | AXIAL | SINGLE |
| Voltage Tolerance-Max | 7% | 5% | — | 4.2% |
| Pbfree Code | — | Yes | — | — |
| Dropout Voltage1-Nom | — | 1.3 V | — | 1.1 V |
| Technology | — | BIPOLAR | SCHOTTKY | BIPOLAR |
| Additional Feature | — | — | FAST SWITCHING | — |
| Application | — | — | GENERAL PURPOSE | — |
| Breakdown Voltage-Min | — | — | 30 V | — |
| Case Connection | — | — | ISOLATED | — |
| Configuration | — | — | SINGLE | — |
| Diode Element Material | — | — | SILICON | — |
| Diode Type | — | — | RECTIFIER DIODE | — |
| Forward Voltage-Max (VF) | — | — | 0.65 V | — |
| JEDEC-95 Code | — | — | DO-35 | — |
| Non-rep Pk Forward Current-Max | — | — | 4 A | — |
| Number of Elements | — | — | 1 | — |
| Number of Phases | — | — | 1 | — |
| Output Current-Max | — | — | 0.2 A | — |
| Power Dissipation-Max | — | — | 0.2 W | — |
| Rep Pk Reverse Voltage-Max | — | — | 30 V | — |
| Reverse Current-Max | — | — | 0.5 µA | — |
| Reverse Recovery Time-Max | — | — | 0.005 µs | — |
| Reverse Test Voltage | — | — | 25 V | — |
| ## BAT42 Alternates Showing results | — | — | Image | — |
| Peak Reflow Temperature (Cel) | — | — | — | 260 |
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 3 alternatives for LR645N5-G — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for LR645N5-G 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 LR645N5-G 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 LR645N5-G?
Known equivalents for LR645N5-G include MC7912CTG, BAT42, L7912ACV. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LR645N5-G?
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 LR645N5-G 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.