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Part Details for LM317KCE3 by Texas Instruments
Results Overview of LM317KCE3 by Texas Instruments
- Distributor Offerings: (3 listings)
- Number of FFF Equivalents: (6 replacements)
- CAD Models: (Available)
- Number of Functional Equivalents: (10 options)
- 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.
LM317KCE3 Information
LM317KCE3 by Texas Instruments 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 LM317KCE3
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
86113680
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Verical | Standard Regulator Pos 1.25V to 37V 1.5A 3-Pin(3+Tab) TO-220 Tube Min Qty: 494 Package Multiple: 1 Date Code: 0701 | Americas - 1000 |
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$0.7595 | Buy Now |
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Rochester Electronics | Adjustable Positive Standard Regulator, 1.25V Min, 37V Max, BIPolar, PSFM3 ' RoHS: Compliant Status: Obsolete Min Qty: 1 | 1000 |
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$0.3767 / $0.6076 | Buy Now |
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Vyrian | Regulators | 856 |
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RFQ |
Part Details for LM317KCE3
LM317KCE3 CAD Models
LM317KCE3 Part Data Attributes
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LM317KCE3
Texas Instruments
Buy Now
Datasheet
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Compare Parts:
LM317KCE3
Texas Instruments
3/4 Pin 1.5A Adjustable Positive Voltage Regulator 3-TO-220 0 to 125
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| Pbfree Code | No | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | TEXAS INSTRUMENTS INC | |
| Part Package Code | SFM | |
| Package Description | PLASTIC, TO-220, 3 PIN | |
| Pin Count | 3 | |
| Reach Compliance Code | unknown | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Samacsys Manufacturer | Texas Instruments | |
| Adjustability | ADJUSTABLE | |
| Input-Output Voltage Differential-Max | 40 V | |
| Input-Output Voltage Differential-Min | 3 V | |
| JESD-30 Code | R-PSFM-T3 | |
| Line Regulation-Max (%/V) | 0.07 | |
| Load Regulation-Max(%) | 1.5% | |
| Number of Functions | 1 | |
| Number of Outputs | 1 | |
| Number of Terminals | 3 | |
| Operating Temperature TJ-Max | 125 °C | |
| Operating Temperature TJ-Min | ||
| Output Current1-Max | 1.5 A | |
| Output Voltage1-Max | 37 V | |
| Output Voltage1-Min | 1.25 V | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | SFM | |
| Package Equivalence Code | SIP3,.1TB | |
| Package Shape | RECTANGULAR | |
| Package Style | FLANGE MOUNT | |
| Packing Method | TUBE | |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED | |
| Qualification Status | Not Qualified | |
| Regulator Type | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR | |
| Surface Mount | NO | |
| Technology | BIPOLAR | |
| Terminal Form | THROUGH-HOLE | |
| Terminal Pitch | 2.54 mm | |
| Terminal Position | SINGLE | |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
Alternate Parts for LM317KCE3
This table gives cross-reference parts and alternative options found for LM317KCE3. 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 LM317KCE3, 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.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| LM317KC | Texas Instruments | Check for Price | 3/4 Pin 1.5A Adjustable Positive Voltage Regulator 3-TO-220 0 to 125 | LM317KCE3 vs LM317KC |
| LM317T | onsemi | Check for Price | 3-Terminal 1.5 A Positive Adjustable Voltage Regulator, TO-220-3, 1000-TUBE | LM317KCE3 vs LM317T |
| LM317T2 | onsemi | Check for Price | 1.2 V-37V ADJUSTABLE POSITIVE REGULATOR, PSFM3, PLASTIC, TO-220, 3 PIN | LM317KCE3 vs LM317T2 |
| LM317T | National Semiconductor Corporation | Check for Price | IC VREG 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, PSFM3, PLASTIC, TO-220, 3 PIN, Adjustable Positive Single Output Standard Regulator | LM317KCE3 vs LM317T |
| LM317T | Fairchild Semiconductor Corporation | Check for Price | Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, BIPolar, TO-220AB, 3 PIN | LM317KCE3 vs LM317T |
| LM317T | Analog Devices Inc | Check for Price | Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, BIPolar, PSFM3 | LM317KCE3 vs LM317T |
LM317KCE3 Frequently Asked Questions (FAQ)
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The maximum input voltage that can be applied to the LM317KCE3 is 40V. However, it's recommended to keep the input voltage at least 3V higher than the desired output voltage to ensure proper regulation.
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While the LM317KCE3 can handle up to 1.5A of output current, it's not recommended for high-current applications due to thermal limitations. For high-current applications, consider using a heat sink or a more suitable regulator like the LM338.
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The output voltage of the LM317KCE3 can be adjusted by using a resistive divider network between the output and adjustment pins. The formula to calculate the output voltage is Vout = 1.25V * (1 + R2/R1), where R1 and R2 are the resistors in the divider network.
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The LM317KCE3 requires a minimum load current of 3.5mA to regulate properly. If the load current is less than this, the output voltage may not be stable.
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No, the LM317KCE3 is a linear regulator and is not suitable for switching regulator applications. It's designed to operate in a continuous conduction mode and may not be able to handle the high-frequency switching required in switching regulators.