| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| LR645N5 | Supertex Inc | Check for Price | Fixed Positive Standard Regulator, 10V, PSFM3 | LR645N5-G vs LR645N5 |
Part Details for LR645N5-G by Microchip Technology Inc
Results Overview of LR645N5-G by Microchip Technology Inc
- Distributor Offerings: (9 listings)
- Number of FFF Equivalents: (1 replacement)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (9 options)
- CAD Models: (Available)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
Applications
Space Technology
Internet of Things (IoT)
Environmental Monitoring
Smart Cities
Agriculture Technology
Virtual Reality (VR), Augmented Reality (AR), and Vision Systems
Medical Imaging
Consumer Electronics
Education and Research
Security and Surveillance
Aerospace and Defense
Healthcare
Robotics and Drones
LR645N5-G Information
LR645N5-G by Microchip Technology Inc is a Linear Regulator IC.
Linear Regulator ICs are under the broader part category of Power Circuits.
A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.
Price & Stock for LR645N5-G
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
67X5318
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Newark | Linear Voltage Regulators, Fixed, |Microchip Technology LR645N5-G RoHS: Compliant Min Qty: 300 Package Multiple: 1 Date Code: 0 Container: Bulk | 0 |
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$1.1100 / $1.2600 | Buy Now |
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Future Electronics | FIXED/ADJUSTABLE HIGH INPUT VOLTAGE REGULATOR RoHS: Compliant pbFree: Yes Min Qty: 650 Package Multiple: 50 Lead time: 7 Weeks Container: Tube | 0Tube |
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$1.3400 / $1.4100 | Buy Now |
|
DISTI #
689-LR645N5-G
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Mouser Electronics | Linear Voltage Regulators Fixed/Adj Hi In V RoHS: Compliant | 239 |
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$1.2600 / $1.6600 | Buy Now |
|
DISTI #
LR645N5-G
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Microchip Technology Inc | FIXED/ADJUSTABLE HIGH INPUT VOLTAGE REGULATOR, TO-220, Projected EOL: 2036-08-11 COO: China ECCN: EAR99 RoHS: Compliant Lead time: 6 Weeks, 0 Days Container: Tube | In Stock: 12100 and Alternates Available |
|
$1.1900 / $1.6600 | Buy Now |
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DISTI #
70431603
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RS | 3 TO-220 TUBEFIXED/ADJUSTABLE HIGH INPUT VOLTAGE REGULATOR Min Qty: 1 Package Multiple: 1 Lead time: 3 Weeks, 0 Days Container: Bulk | 4 |
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$0.6700 | Buy Now |
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Onlinecomponents.com | MICROCHIP LR645N5-GLinear Voltage Regulator Fixed 15V To 450V In 10V And 3mA Out TO-220AB-3 COO: China RoHS: Compliant | 18000 Factory Stock |
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$1.0800 / $1.3400 | Buy Now |
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Rochester Electronics | IC VOLT REG Fixed 1 REG 8V 3mA TO-220-3 Tube RoHS: Compliant Status: Active Min Qty: 1 | 70 |
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$1.1300 / $1.4100 | Buy Now |
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NAC | FIXED/ADJUSTABLE HIGH INPUT VOLTAGE REGULATOR. - VHV ANALOG Product Line RoHS: Compliant Min Qty: 1 Package Multiple: 50 | 14400 |
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$1.3600 / $1.6300 | Buy Now |
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Master Electronics | MICROCHIP LR645N5-GLinear Voltage Regulator Fixed 15V To 450V In 10V And 3mA Out TO-220AB-3 COO: China RoHS: Compliant | 18000 Factory Stock |
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$1.0800 / $1.3400 | Buy Now |
US Tariff Estimator: LR645N5-G by Microchip Technology Inc
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
LR645N5-G CAD Models
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LR645N5-G Part Data Attributes
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LR645N5-G
Microchip Technology Inc
Buy Now
Datasheet
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Compare Parts:
LR645N5-G
Microchip Technology Inc
Fixed Positive Standard Regulator, 10V, PSFM3
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| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Pin Count | 3 | |
| Manufacturer Package Code | TO-220-3 | |
| ECCN Code | EAR99 | |
| HTS Code | 8541.29.00.95 | |
| Factory Lead Time | 8 Weeks | |
| Adjustability | Fixed | |
| Input Voltage Absolute-Max | 450 V | |
| Input Voltage-Max | 450 V | |
| Input Voltage-Min | 15 V | |
| JESD-30 Code | R-PSFM-T3 | |
| JESD-609 Code | e3 | |
| Length | 10.16 Mm | |
| Line Regulation-Max | 0.2% | |
| Load Regulation-Max | 0.4% | |
| Number of Functions | 1 | |
| Number of Outputs | 1 | |
| Number of Terminals | 3 | |
| Operating Temperature TJ-Max | 125 °C | |
| Operating Temperature TJ-Min | -40 °C | |
| Output Current1-Max | 0.003 A | |
| Output Voltage1-Max | 11.5 V | |
| Output Voltage1-Min | 9 V | |
| Output Voltage1-Nom | 10 V | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | TO-92 | |
| Package Equivalence Code | SIP3,.1TB | |
| Package Shape | Rectangular | |
| Package Style | Flange Mount | |
| Packing Method | Tube | |
| Qualification Status | Not Qualified | |
| Regulator Type | Fixed Positive Single Output Standard Regulator | |
| Screening Level | Ts 16949 | |
| Seated Height-Max | 9.169 Mm | |
| Surface Mount | No | |
| Terminal Finish | Matte Tin (Sn) | |
| Terminal Form | Through-Hole | |
| Terminal Pitch | 2.54 Mm | |
| Terminal Position | Single | |
| Voltage Tolerance-Max | 7% | |
| Width | 4.191 Mm |
Alternate Parts for LR645N5-G
This table gives cross-reference parts and alternative options found for LR645N5-G. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of LR645N5-G, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
LR645N5-G Frequently Asked Questions (FAQ)
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Microchip provides a recommended PCB layout in the datasheet, but it's essential to follow good design practices, such as keeping the power and ground planes separate, using a solid ground plane, and minimizing trace lengths and widths to reduce noise and EMI.
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To ensure reliable communication, use a reliable serial communication protocol (e.g., SPI or I2C), implement error checking and correction mechanisms, and ensure the microcontroller's clock speed is within the recommended range. Also, consider using a buffer or repeater to extend the communication distance.
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The LR645N5-G is rated for operation from -40°C to +125°C, but it's essential to consider the specific application's temperature requirements and ensure the device is properly heat-sinked or thermally managed to prevent overheating.
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While the LR645N5-G is a robust device, it's still susceptible to vibration and shock. To ensure reliability, consider using vibration-dampening materials, securing the device with a robust mounting mechanism, and following proper PCB design and assembly practices.
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To troubleshoot issues, start by verifying the power supply and clock signals, then check the communication protocol and data transmission. Use oscilloscopes or logic analyzers to debug the signals, and consult the datasheet and application notes for guidance on specific troubleshooting techniques.