LM3940IT-3.3/NOPBAlternatives & Equivalent Parts

About LM3940IT-3.3/NOPB

LM3940IT-3.3/NOPB is a Integrated Circuit component manufactured by Texas Instruments. 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

ParameterLM3940IT-3.3/NOPBSourceLM3940IT-3.3598-8621-207F
ManufacturerTexas InstrumentsTexas InstrumentsDialight
Package TypeTransistor Outline, Vertical—Other
Pin Count3—4
Temperature Range-40.0°C ~ 125.0°C—-30.0°C ~ 85.0°C
Price$1.0360$1.0360$0.2850
StockIn StockIn StockIn Stock
LifecycleACTIVE—ACTIVE
Electrical Parameters
Pbfree CodeYes—Yes
YTEOL15—6
AdjustabilityFIXED——
Dropout Voltage1-Max1 V——
Dropout Voltage1-Nom0.31 V——
Input Voltage Absolute-Max7.5 V——
Input Voltage-Max5.5 V——
Input Voltage-Min4.5 V——
JESD-30 CodeR-PSFM-T3——
JESD-609 Codee3—e4
Line Regulation-Max0.04%——
Load Regulation-Max0.08%——
Number of Functions1—1
Number of Outputs1——
Operating Temperature TJ-Max125 °C——
Operating Temperature TJ-Min-40 °C——
Output Current1-Max1 A——
Output Voltage1-Max3.47 V——
Output Voltage1-Min3.13 V——
Output Voltage1-Nom3.3 V——
Package Body MaterialPLASTIC/EPOXY——
Package Equivalence CodeSIP3,.1TB——
Package ShapeRECTANGULAR——
Package StyleFLANGE MOUNT——
Packing MethodTUBE—TR, 7 INCH
Qualification StatusNot Qualified——
Regulator TypeFIXED POSITIVE SINGLE OUTPUT LDO REGULATOR——
Surface MountNO—YES
TechnologyBIPOLAR——
Terminal FinishMatte Tin (Sn)—Nickel/Gold (Ni/Au)
Terminal FormTHROUGH-HOLE——
Terminal Pitch2.54 mm—3.2 mm
Terminal PositionSINGLE——
Voltage Tolerance-Max5.2%——
## LM3940IT-3.3/NOPB Alternates Showing resultsImage——
Color——RED ORANGE/GREEN
Color@Wavelength——Blue-Green/Orange
Configuration——SEPARATE, 2 ELEMENTS
Forward Current-Max——0.02 A
Forward Voltage-Max——3.5 V
Lens Type——WATER CLEAR
Luminous Intensity-Nom——100.0/220.0 mcd
Mounting Feature——SURFACE MOUNT
Optoelectronic Device Type——DUAL COLOR LED
Overall Height——0.7 mm
Reverse Voltage-Max——5 V
Shape——RECTANGULAR
Size——2.7 mm
Viewing Angle——140 deg

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 2 alternatives for LM3940IT-3.3/NOPB — response within 24 hours.

Quick Links

LM3940IT-3.3by National Semiconductor Corporation Fixed Positive LDO

Regulator, 3.3V, 1V Dropout, BIPolar, PSFM3

Why Look for Alternatives?

Finding alternatives for LM3940IT-3.3/NOPB 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 LM3940IT-3.3/NOPB 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 LM3940IT-3.3/NOPB?

Known equivalents for LM3940IT-3.3/NOPB include LM3940IT-3.3, 598-8621-207F. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of LM3940IT-3.3/NOPB?

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 LM3940IT-3.3/NOPB 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.