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
| Parameter | TL431CZSource | TL431CZT | LM399H | LM1117IDTX-ADJ/NOPB | TP2104N3 | TL431CZ-AP | 4N32 | CD40109BE | TL431IZ | TL431ACZ | TL431IZT | TL431ACLP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | Analog Devices | Texas Instruments | Microchip | STMicroelectronics | Vishay | Texas Instruments | STMicroelectronics | STMicroelectronics | STMicroelectronics | Texas Instruments |
| Package Type | Other | Other | Other | Other | Other | Other | Dual-In-Line Packages | Dual-In-Line Packages | Other | Other | Other | — |
| Pin Count | 3 | 3 | 4 | 4 | 3 | 3 | 6 | 16 | 3 | 3 | 3 | 3 |
| 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 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | OBSOLETE | ACTIVE | ACTIVE | ACTIVE | OBSOLETE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||||||||
| Factory Lead Time | 10 Weeks | 10 Weeks | — | — | — | 10 Weeks | — | — | 10 Weeks | 10 Weeks | 10 Weeks | — |
| YTEOL | 6.5 | 6.5 | 0 | 15 | — | 6.5 | 0 | 15 | 6.5 | 6.5 | 6.5 | 15 |
| Additional Feature | THE OUTPUT VOLTAGE MAY BE SET TO ANY VALUE BETWEEN 2.5V AND 36V WITH TWO EXTERNAL RESISTORS | THE OUTPUT VOLTAGE MAY BE SET TO ANY VALUE BETWEEN 2.5V AND 36V WITH TWO EXTERNAL RESISTORS | — | — | — | THE OUTPUT VOLTAGE MAY BE SET TO ANY VALUE BETWEEN 2.5V AND 36V WITH TWO EXTERNAL RESISTORS | UL RECOGNIZED | LOW TO HIGH VOLTAGE TRANSLATOR | THE OUTPUT VOLTAGE MAY BE SET TO ANY VALUE BETWEEN 2.5V AND 36V WITH TWO EXTERNAL RESISTORS | THE OUTPUT VOLTAGE MAY BE SET TO ANY VALUE BETWEEN 2.5V AND 36V WITH TWO EXTERNAL RESISTORS | THE OUTPUT VOLTAGE MAY BE SET TO ANY VALUE BETWEEN 2.5V AND 36V WITH TWO EXTERNAL RESISTORS | OUTPUT VOLTAGE ADJUSTABLE FROM 2.495V TO 36V |
| Analog IC - Other Type | TWO TERMINAL VOLTAGE REFERENCE | TWO TERMINAL VOLTAGE REFERENCE | TWO TERMINAL VOLTAGE REFERENCE | — | — | TWO TERMINAL VOLTAGE REFERENCE | — | — | TWO TERMINAL VOLTAGE REFERENCE | TWO TERMINAL VOLTAGE REFERENCE | TWO TERMINAL VOLTAGE REFERENCE | TWO TERMINAL VOLTAGE REFERENCE |
| JESD-30 Code | O-PBCY-T3 | O-PBCY-T3 | O-MBCY-W4 | R-PSSO-G2 | — | O-PBCY-T3 | — | R-PDIP-T16 | O-PBCY-T3 | O-PBCY-T3 | O-PBCY-T3 | O-XBCY-T3 |
| JESD-609 Code | e3 | e3 | e0 | e3 | — | e3 | e3 | e4 | e3 | e3 | e3 | e3 |
| Number of Functions | 1 | 1 | 1 | 1 | — | 1 | — | 1 | 1 | 1 | 1 | 1 |
| Number of Outputs | 1 | 1 | 1 | 1 | — | 1 | — | — | 1 | 1 | 1 | 1 |
| Output Current-Max | 0.1 A | 0.1 A | — | — | — | 0.1 A | — | — | 0.1 A | 0.1 A | 0.1 A | 0.1 A |
| Output Voltage-Max | 2.567 V | 2.567 V | 7.3 V | — | — | 2.567 V | — | — | 2.58 V | 2.537 V | 2.58 V | 2.52 V |
| Output Voltage-Min | 2.423 V | 2.423 V | 6.75 V | — | — | 2.423 V | — | — | 2.41 V | 2.453 V | 2.41 V | 2.47 V |
| Output Voltage-Nom | 2.495 V | 2.495 V | 6.95 V | — | — | 2.495 V | — | — | 2.495 V | 2.495 V | 2.495 V | 2.495 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | METAL | PLASTIC/EPOXY | — | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | UNSPECIFIED |
| Package Equivalence Code | SIP3,.1,50 | SIP3,.1,50 | — | SMSIP3H,.38,90TB | — | SIP3,.1,50 | — | DIP16,.3 | SIP3,.1,50 | SIP3,.1,50 | SIP3,.1,50 | SIP3,.1,50 |
| Package Shape | ROUND | ROUND | ROUND | RECTANGULAR | — | ROUND | — | RECTANGULAR | ROUND | ROUND | ROUND | ROUND |
| Package Style | CYLINDRICAL | CYLINDRICAL | CYLINDRICAL | SMALL OUTLINE | — | CYLINDRICAL | — | IN-LINE | CYLINDRICAL | CYLINDRICAL | CYLINDRICAL | CYLINDRICAL |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED | NOT SPECIFIED | — | 260 | — | NOT SPECIFIED | — | — | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | — |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | — | Not Qualified | — | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Supply Current-Max (Isup) | 100 mA | 100 mA | — | — | — | — | — | — | 100 mA | 100 mA | 100 mA | — |
| Surface Mount | NO | NO | NO | YES | — | NO | NO | NO | NO | NO | NO | NO |
| Technology | BIPOLAR | BIPOLAR | BIPOLAR | BIPOLAR | — | BIPOLAR | — | CMOS | BIPOLAR | BIPOLAR | BIPOLAR | BIPOLAR |
| Temp Coef of Voltage-Max | 97.338 ppm/°C | 97.338 ppm/°C | 2 ppm/°C | — | — | 97.338 ppm/°C | — | — | 82.924 ppm/°C | 85.886 ppm/°C | 82.924 ppm/°C | 92 ppm/°C |
| Temperature Grade | COMMERCIAL | COMMERCIAL | COMMERCIAL | — | — | COMMERCIAL | — | MILITARY | INDUSTRIAL | COMMERCIAL | INDUSTRIAL | COMMERCIAL |
| Terminal Finish | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed | TIN LEAD | Matte Tin (Sn) | — | Matte Tin (Sn) - annealed | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | WIRE | GULL WING | — | THROUGH-HOLE | — | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE |
| Terminal Pitch | 1.27 mm | 1.27 mm | — | 2.285 mm | — | 1.27 mm | — | 2.54 mm | 1.27 mm | 1.27 mm | 1.27 mm | — |
| Terminal Position | BOTTOM | BOTTOM | BOTTOM | SINGLE | — | BOTTOM | — | DUAL | BOTTOM | BOTTOM | BOTTOM | BOTTOM |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | NOT SPECIFIED | — | 30 | — | NOT SPECIFIED | — | — | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | — |
| Trim/Adjustable Output | YES | YES | YES | — | — | YES | — | — | YES | YES | YES | YES |
| ## TL431CZ Alternates Showing results | Image | — | — | — | — | — | — | — | — | — | — | — |
| ## LM399H Alternates Showing results | — | — | Image | — | — | — | — | — | — | — | — | — |
| Pbfree Code | — | — | — | Yes | — | — | Yes | — | — | — | — | Yes |
| Adjustability | — | — | — | ADJUSTABLE | — | — | — | — | — | — | — | — |
| Dropout Voltage1-Max | — | — | — | 1.4 V | — | — | — | — | — | — | — | — |
| Dropout Voltage1-Nom | — | — | — | 1.2 V | — | — | — | — | — | — | — | — |
| Input Voltage-Max | — | — | — | 15 V | — | — | — | — | — | — | — | — |
| Input Voltage-Min | — | — | — | 2.6 V | — | — | — | — | — | — | — | — |
| Input-Output Voltage Differential-Max | — | — | — | 13.75 V | — | — | — | — | — | — | — | — |
| Input-Output Voltage Differential-Min | — | — | — | 1.5 V | — | — | — | — | — | — | — | — |
| Line Regulation-Max (%/V) | — | — | — | 0.025 | — | — | — | — | — | — | — | — |
| Load Regulation-Max(%) | — | — | — | 0.5% | — | — | — | — | — | — | — | — |
| Operating Temperature TJ-Max | — | — | — | 125 °C | — | — | — | — | — | — | — | — |
| Operating Temperature TJ-Min | — | — | — | -40 °C | — | — | — | — | — | — | — | — |
| Output Current1-Max | — | — | — | 0.8 A | — | — | — | — | — | — | — | — |
| Output Voltage1-Max | — | — | — | 13.8 V | — | — | — | — | — | — | — | — |
| Output Voltage1-Min | — | — | — | 1.25 V | — | — | — | — | — | — | — | — |
| Packing Method | — | — | — | TR | — | — | — | TUBE | — | — | — | — |
| Regulator Type | — | — | — | ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR | — | — | — | — | — | — | — | — |
| Voltage Tolerance-Max | — | — | — | 3% | — | — | — | — | — | — | — | 1% |
| ## LM1117IDTX-ADJ/NOPB Alternates Showing results | — | — | — | Image | — | — | — | — | — | — | — | — |
| ## TL431CZ-AP Alternates Showing results | — | — | — | — | — | Image | — | — | — | — | — | — |
| Coll-Emtr Bkdn Voltage-Min | — | — | — | — | — | — | 30 V | — | — | — | — | — |
| Configuration | — | — | — | — | — | — | SINGLE | — | — | — | — | — |
| Current Transfer Ratio-Min | — | — | — | — | — | — | 500% | — | — | — | — | — |
| Current Transfer Ratio-Nom | — | — | — | — | — | — | 500% | — | — | — | — | — |
| Dark Current-Max | — | — | — | — | — | — | 100 nA | — | — | — | — | — |
| Forward Current-Max | — | — | — | — | — | — | 0.06 A | — | — | — | — | — |
| Forward Voltage-Max | — | — | — | — | — | — | 1.5 V | — | — | — | — | — |
| Isolation Voltage-Max | — | — | — | — | — | — | 5300 V | — | — | — | — | — |
| Mounting Feature | — | — | — | — | — | — | THROUGH HOLE MOUNT | — | — | — | — | — |
| Number of Elements | — | — | — | — | — | — | 1 | — | — | — | — | — |
| On-State Current-Max | — | — | — | — | — | — | 0.1 A | — | — | — | — | — |
| Optoelectronic Device Type | — | — | — | — | — | — | DARLINGTON OUTPUT OPTOCOUPLER | — | — | — | — | — |
| Power Dissipation-Max | — | — | — | — | — | — | 0.2 W | — | — | — | — | — |
| Response Time-Max | — | — | — | — | — | — | 0.000005 s | — | — | — | — | — |
| Control Type | — | — | — | — | — | — | — | ENABLE HIGH | — | — | — | — |
| Count Direction | — | — | — | — | — | — | — | UNIDIRECTIONAL | — | — | — | — |
| Family | — | — | — | — | — | — | — | 4000/14000/40000 | — | — | — | — |
| Load Capacitance (CL) | — | — | — | — | — | — | — | 50 pF | — | — | — | — |
| Logic IC Type | — | — | — | — | — | — | — | BUS DRIVER | — | — | — | — |
| Max I(ol) | — | — | — | — | — | — | — | -0.0068 A | — | — | — | — |
| Number of Bits | — | — | — | — | — | — | — | 4 | — | — | — | — |
| Number of Ports | — | — | — | — | — | — | — | 2 | — | — | — | — |
| Output Characteristics | — | — | — | — | — | — | — | 3-STATE | — | — | — | — |
| Output Polarity | — | — | — | — | — | — | — | TRUE | — | — | — | — |
| Power Supply Current-Max (ICC) | — | — | — | — | — | — | — | 0.018 mA | — | — | — | — |
| Prop. Delay@Nom-Sup | — | — | — | — | — | — | — | 600 ns | — | — | — | — |
| Propagation Delay (tpd) | — | — | — | — | — | — | — | 600 ns | — | — | — | — |
| Screening Level | — | — | — | — | — | — | — | AEC-Q100 | — | — | — | — |
| Supply Voltage-Max (Vsup) | — | — | — | — | — | — | — | 18 V | — | — | — | — |
| Supply Voltage-Min (Vsup) | — | — | — | — | — | — | — | 3 V | — | — | — | — |
| Supply Voltage-Nom (Vsup) | — | — | — | — | — | — | — | 5 V | — | — | — | — |
| ## CD40109BE Alternates Showing results | — | — | — | — | — | — | — | Image | — | — | — | — |
| ## TL431ACLP Alternates Showing results | — | — | — | — | — | — | — | — | — | — | — | Image |
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
Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PBCY3
suggested
suggested
Two Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PBCY3
Two Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PBCY3
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.
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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.