| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| SG109K-883B | Microchip Technology Inc | Check for Price | Fixed Positive Standard Regulator, 5.05V, BIPolar, MBFM2 | LM309K vs SG109K-883B |
| 5962-8777401YX | Texas Instruments | Check for Price | Fixed Positive Standard Regulator, 5V, MBFM2 | LM309K vs 5962-8777401YX |
| LM109K/883 | National Semiconductor Corporation | Check for Price | Fixed Positive Standard Regulator, 5V, BIPolar, MBFM2 | LM309K vs LM109K/883 |
| LM109KSTEEL/883B | National Semiconductor Corporation | Check for Price | Fixed Positive Standard Regulator, 5V, BIPolar, MBFM2 | LM309K vs LM109KSTEEL/883B |
| JM38510/10701BYA | National Semiconductor Corporation | Check for Price | Fixed Positive Standard Regulator, 5V, BIPolar, MBFM2 | LM309K vs JM38510/10701BYA |
| LM109K-SMD | Texas Instruments | Check for Price | Fixed Positive Standard Regulator, 5V, BIPolar, MBFM2 | LM309K vs LM109K-SMD |
| LM109KSTEEL/NOPB | Texas Instruments | Check for Price | Fixed Positive Standard Regulator, 5V, BIPolar, MBFM2 | LM309K vs LM109KSTEEL/NOPB |
| M38510/10701BYX | Texas Instruments | Check for Price | Fixed Positive Standard Regulator, 5V | LM309K vs M38510/10701BYX |
| LM109KSTEEL/883 | Texas Instruments | Check for Price | Fixed Positive Standard Regulator, BIPolar | LM309K vs LM109KSTEEL/883 |
| SG109K/883B | Microchip Technology Inc | Check for Price | Fixed Positive Standard Regulator, 5.05V, BIPolar, MBFM2 | LM309K vs SG109K/883B |
Part Details for LM309K by STMicroelectronics
Results Overview of LM309K by STMicroelectronics
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (10 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (10 options)
- CAD Models: (Request Part)
- 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.
LM309K Information
LM309K by STMicroelectronics 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.
Available Datasheets
| Part # | Manufacturer | Description | Datasheet |
|---|---|---|---|
| LM309K STEEL | Texas Instruments | 1A 5V output linear regulator / LDO in hermetic packages 2-TO-3 0 to 125 | |
| LM309K STEEL/NOPB | Texas Instruments | 1A 5V output linear regulator / LDO in hermetic packages 2-TO-3 0 to 125 |
Price & Stock for LM309K
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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Vyrian | Regulator, 1 Output, BIPolar | 808 |
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RFQ |
US Tariff Estimator: LM309K by STMicroelectronics
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.
LM309K Part Data Attributes
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LM309K
STMicroelectronics
Buy Now
Datasheet
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Compare Parts:
LM309K
STMicroelectronics
Fixed Positive Standard Regulator, BIPolar
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| Part Life Cycle Code | Obsolete | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.60 | |
| Adjustability | Fixed | |
| Dropout Voltage1-Nom | 1.95 V | |
| Input Voltage Absolute-Max | 35 V | |
| Line Regulation-Max | 0.05% | |
| Load Regulation-Max | 0.1% | |
| Number of Outputs | 1 | |
| Number of Terminals | 3 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | ||
| Output Current1-Max | 1.5 A | |
| Package Body Material | Metal | |
| Package Equivalence Code | TO-204/-3 | |
| Qualification Status | Not Qualified | |
| Regulator Type | Fixed Positive Single Output Standard Regulator | |
| Technology | Bipolar | |
| Voltage Tolerance-Max | 4% |
Alternate Parts for LM309K
This table gives cross-reference parts and alternative options found for LM309K. 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 LM309K, 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.