TL431CZAlternatives & Equivalent Parts

About TL431CZ

TL431CZ is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a Other package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Specification Comparison

ParameterTL431CZSourceTL431CZTLM399HLM1117IDTX-ADJ/NOPBTP2104N3TL431CZ-AP4N32CD40109BETL431IZTL431ACZTL431IZTTL431ACLP
ManufacturerSTMicroelectronicsSTMicroelectronicsAnalog DevicesTexas InstrumentsMicrochipSTMicroelectronicsVishayTexas InstrumentsSTMicroelectronicsSTMicroelectronicsSTMicroelectronicsTexas Instruments
Package TypeOtherOtherOtherOtherOtherOtherDual-In-Line PackagesDual-In-Line PackagesOtherOtherOther
Pin Count3344336163333
Temperature Range~ 70.0°C~ 70.0°C~ 70.0°C-40.0°C ~ 125.0°C~ 70.0°C-55.0°C ~ 100.0°C-55.0°C ~ 125.0°C-40.0°C ~ 105.0°C~ 70.0°C-40.0°C ~ 105.0°C~ 70.0°C
Price$0.0685$0.0576$10.6717$1.1550$0.0770$0.1900$0.1523$0.0890$0.0547$0.0525$0.0669
StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVEOBSOLETEACTIVEACTIVEACTIVEOBSOLETEACTIVEACTIVEACTIVEACTIVEACTIVE
Electrical Parameters
Factory Lead Time10 Weeks10 Weeks10 Weeks10 Weeks10 Weeks10 Weeks
YTEOL6.56.50156.50156.56.56.515
Additional FeatureTHE OUTPUT VOLTAGE MAY BE SET TO ANY VALUE BETWEEN 2.5V AND 36V WITH TWO EXTERNAL RESISTORSTHE OUTPUT VOLTAGE MAY BE SET TO ANY VALUE BETWEEN 2.5V AND 36V WITH TWO EXTERNAL RESISTORSTHE OUTPUT VOLTAGE MAY BE SET TO ANY VALUE BETWEEN 2.5V AND 36V WITH TWO EXTERNAL RESISTORSUL RECOGNIZEDLOW TO HIGH VOLTAGE TRANSLATORTHE OUTPUT VOLTAGE MAY BE SET TO ANY VALUE BETWEEN 2.5V AND 36V WITH TWO EXTERNAL RESISTORSTHE OUTPUT VOLTAGE MAY BE SET TO ANY VALUE BETWEEN 2.5V AND 36V WITH TWO EXTERNAL RESISTORSTHE OUTPUT VOLTAGE MAY BE SET TO ANY VALUE BETWEEN 2.5V AND 36V WITH TWO EXTERNAL RESISTORSOUTPUT VOLTAGE ADJUSTABLE FROM 2.495V TO 36V
Analog IC - Other TypeTWO TERMINAL VOLTAGE REFERENCETWO TERMINAL VOLTAGE REFERENCETWO TERMINAL VOLTAGE REFERENCETWO TERMINAL VOLTAGE REFERENCETWO TERMINAL VOLTAGE REFERENCETWO TERMINAL VOLTAGE REFERENCETWO TERMINAL VOLTAGE REFERENCETWO TERMINAL VOLTAGE REFERENCE
JESD-30 CodeO-PBCY-T3O-PBCY-T3O-MBCY-W4R-PSSO-G2O-PBCY-T3R-PDIP-T16O-PBCY-T3O-PBCY-T3O-PBCY-T3O-XBCY-T3
JESD-609 Codee3e3e0e3e3e3e4e3e3e3e3
Number of Functions1111111111
Number of Outputs111111111
Output Current-Max0.1 A0.1 A0.1 A0.1 A0.1 A0.1 A0.1 A
Output Voltage-Max2.567 V2.567 V7.3 V2.567 V2.58 V2.537 V2.58 V2.52 V
Output Voltage-Min2.423 V2.423 V6.75 V2.423 V2.41 V2.453 V2.41 V2.47 V
Output Voltage-Nom2.495 V2.495 V6.95 V2.495 V2.495 V2.495 V2.495 V2.495 V
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYMETALPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYUNSPECIFIED
Package Equivalence CodeSIP3,.1,50SIP3,.1,50SMSIP3H,.38,90TBSIP3,.1,50DIP16,.3SIP3,.1,50SIP3,.1,50SIP3,.1,50SIP3,.1,50
Package ShapeROUNDROUNDROUNDRECTANGULARROUNDRECTANGULARROUNDROUNDROUNDROUND
Package StyleCYLINDRICALCYLINDRICALCYLINDRICALSMALL OUTLINECYLINDRICALIN-LINECYLINDRICALCYLINDRICALCYLINDRICALCYLINDRICAL
Peak Reflow Temperature (Cel)NOT SPECIFIEDNOT SPECIFIED260NOT SPECIFIEDNOT SPECIFIEDNOT SPECIFIEDNOT SPECIFIED
Qualification StatusNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot Qualified
Supply Current-Max (Isup)100 mA100 mA100 mA100 mA100 mA
Surface MountNONONOYESNONONONONONONO
TechnologyBIPOLARBIPOLARBIPOLARBIPOLARBIPOLARCMOSBIPOLARBIPOLARBIPOLARBIPOLAR
Temp Coef of Voltage-Max97.338 ppm/°C97.338 ppm/°C2 ppm/°C97.338 ppm/°C82.924 ppm/°C85.886 ppm/°C82.924 ppm/°C92 ppm/°C
Temperature GradeCOMMERCIALCOMMERCIALCOMMERCIALCOMMERCIALMILITARYINDUSTRIALCOMMERCIALINDUSTRIALCOMMERCIAL
Terminal FinishMatte Tin (Sn) - annealedMatte Tin (Sn) - annealedTIN LEADMatte Tin (Sn)Matte Tin (Sn) - annealedMatte Tin (Sn)Nickel/Palladium/Gold (Ni/Pd/Au)Matte Tin (Sn)Matte Tin (Sn) - annealedMatte Tin (Sn) - annealedMatte Tin (Sn)
Terminal FormTHROUGH-HOLETHROUGH-HOLEWIREGULL WINGTHROUGH-HOLETHROUGH-HOLETHROUGH-HOLETHROUGH-HOLETHROUGH-HOLETHROUGH-HOLE
Terminal Pitch1.27 mm1.27 mm2.285 mm1.27 mm2.54 mm1.27 mm1.27 mm1.27 mm
Terminal PositionBOTTOMBOTTOMBOTTOMSINGLEBOTTOMDUALBOTTOMBOTTOMBOTTOMBOTTOM
Time@Peak Reflow Temperature-Max (s)NOT SPECIFIEDNOT SPECIFIED30NOT SPECIFIEDNOT SPECIFIEDNOT SPECIFIEDNOT SPECIFIED
Trim/Adjustable OutputYESYESYESYESYESYESYESYES
## TL431CZ Alternates Showing resultsImage
## LM399H Alternates Showing resultsImage
Pbfree CodeYesYesYes
AdjustabilityADJUSTABLE
Dropout Voltage1-Max1.4 V
Dropout Voltage1-Nom1.2 V
Input Voltage-Max15 V
Input Voltage-Min2.6 V
Input-Output Voltage Differential-Max13.75 V
Input-Output Voltage Differential-Min1.5 V
Line Regulation-Max (%/V)0.025
Load Regulation-Max(%)0.5%
Operating Temperature TJ-Max125 °C
Operating Temperature TJ-Min-40 °C
Output Current1-Max0.8 A
Output Voltage1-Max13.8 V
Output Voltage1-Min1.25 V
Packing MethodTRTUBE
Regulator TypeADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR
Voltage Tolerance-Max3%1%
## LM1117IDTX-ADJ/NOPB Alternates Showing resultsImage
## TL431CZ-AP Alternates Showing resultsImage
Coll-Emtr Bkdn Voltage-Min30 V
ConfigurationSINGLE
Current Transfer Ratio-Min500%
Current Transfer Ratio-Nom500%
Dark Current-Max100 nA
Forward Current-Max0.06 A
Forward Voltage-Max1.5 V
Isolation Voltage-Max5300 V
Mounting FeatureTHROUGH HOLE MOUNT
Number of Elements1
On-State Current-Max0.1 A
Optoelectronic Device TypeDARLINGTON OUTPUT OPTOCOUPLER
Power Dissipation-Max0.2 W
Response Time-Max0.000005 s
Control TypeENABLE HIGH
Count DirectionUNIDIRECTIONAL
Family4000/14000/40000
Load Capacitance (CL)50 pF
Logic IC TypeBUS DRIVER
Max I(ol)-0.0068 A
Number of Bits4
Number of Ports2
Output Characteristics3-STATE
Output PolarityTRUE
Power Supply Current-Max (ICC)0.018 mA
Prop. Delay@Nom-Sup600 ns
Propagation Delay (tpd)600 ns
Screening LevelAEC-Q100
Supply Voltage-Max (Vsup)18 V
Supply Voltage-Min (Vsup)3 V
Supply Voltage-Nom (Vsup)5 V
## CD40109BE Alternates Showing resultsImage
## TL431ACLP Alternates Showing resultsImage

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 11 alternatives for TL431CZ — response within 24 hours.

Quick Links

TL431CZTby STMicroelectronics Two Terminal

Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PBCY3

LM399H

suggested

TP2104N3

suggested

4N32

suggested

CD40109BE

suggested

TL431IZby STMicroelectronics

Two Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PBCY3

TL431ACZby STMicroelectronics

Two Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PBCY3

TL431IZTby STMicroelectronics

Two Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PBCY3

TL431ACLPby onsemi

Two Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PBCY3

Why Look for Alternatives?

Finding alternatives for TL431CZ 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 TL431CZ 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.

Can't Find What You Need?

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FAQ

What is equivalent to TL431CZ?

Known equivalents for TL431CZ include TL431CZT, LM399H, LM1117IDTX-ADJ/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of TL431CZ?

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 TL431CZ 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.