TLP291-4Alternatives & Equivalent Parts

About TLP291-4

TLP291-4 is a Integrated Circuit component manufactured by Toshiba. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Specification Comparison

ParameterTLP291-4SourceNMA0512DCISO35MDWRST7540TR3296Y-1-224LF
ManufacturerToshibaMurata ElectronicsTexas InstrumentsSTMicroelectronicsBourns
Package TypeSmall Outline PackagesOtherSmall Outline PackagesSmall Outline PackagesOther
Pin Count16616283
Temperature Range-55.0°C ~ 110.0°C-40.0°C ~ 85.0°C-55.0°C ~ 125.0°C-40.0°C ~ 85.0°C—
Price$0.2938$3.4200$4.2357$8.6700$1.1600
StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVEOBSOLETEEND OF LIFEACTIVE
Electrical Parameters
YTEOL8700—
Additional FeatureUL APPROVED-12 ADDITIONAL OUTPUT IS AVAILABLE———
Coll-Emtr Bkdn Voltage-Min80 V————
ConfigurationSEPARATE, 4 CHANNELS————
Current Transfer Ratio-Min50%————
Dark Current-Max100 nA————
Forward Current-Max0.05 A————
Forward Voltage-Max1.4 V————
Isolation Voltage-Max2500 V————
JESD-609 Codee4e3e4e3e3
Mounting FeatureSURFACE MOUNT————
Number of Elements4————
On-State Current-Max0.05 A————
Optoelectronic Device TypeTRANSISTOR OUTPUT OPTOCOUPLER————
Power Dissipation-Max0.15 W————
Response Time-Max0.000002 s————
Surface MountYESNOYESYES—
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)Matte Tin (Sn) - with Nickel (Ni) barrierNickel/Palladium/Gold (Ni/Pd/Au)Matte Tin (Sn)MATTE TIN
Factory Lead Time—8 Weeks—35 Weeks10 Weeks
Date Of Intro—2020-06-05———
Analog IC - Other Type—DC-DC REGULATED POWER SUPPLY MODULE———
Efficiency (Main Output)—77%———
Input Voltage-Max—5.5 V———
Input Voltage-Min—4.5 V———
Input Voltage-Nom—5 V———
JESD-30 Code—R-XDMA-T6R-PDSO-G16R-PDSO-G28—
Line Regulation-Max—1.2%———
Load Regulation-Max—7.5%———
Number of Functions—111—
Number of Outputs—2———
Output Current-Max—0.042 A———
Output Voltage-Nom—12 V———
Package Body Material—UNSPECIFIEDPLASTIC/EPOXYPLASTIC/EPOXY—
Package Shape—RECTANGLERECTANGULARRECTANGULAR—
Package Style—MICROELECTRONIC ASSEMBLYSMALL OUTLINESMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH—
Peak Reflow Temperature (Cel)—260260260—
Qualification Status—Not QualifiedNot QualifiedNot Qualified—
Ripple Voltage (Main Out)—0.0053025 Vrms———
Switching Frequency-Max—110 kHz———
Technology—HYBRIDBICMOSBCDMOS—
Terminal Form—THROUGH-HOLEGULL WINGGULL WING—
Terminal Pitch—2.54 mm1.27 mm0.65 mm—
Terminal Position—DUALDUALDUAL—
Time@Peak Reflow Temperature-Max (s)—103030—
Total Power Output-Max—1 W———
Trim/Adjustable Output—NO———
Differential Output——YES——
Driver Number of Bits——1——
High Level Input Current-Max——0.00001 A——
Input Characteristics——DIFFERENTIAL SCHMITT TRIGGER——
Interface IC Type——LINE TRANSCEIVER——
Interface Standard——EIA-422; TIA-422; EIA-485; TIA-485——
Out Swing-Min——1.5 V——
Output Characteristics——3-STATE——
Output Polarity——COMPLEMENTARY——
Package Equivalence Code——SOP16,.4TSSOP28,.25—
Receive Delay-Max——100 ns——
Receiver Number of Bits——1——
Supply Current-Max——20 mA——
Supply Voltage-Max——3.6 V——
Supply Voltage-Min——3.15 V——
Supply Voltage-Nom——5 V5 V—
Supply Voltage1-Max——3.6 V——
Supply Voltage1-Min——3.15 V——
Supply Voltage1-Nom——3.3 V——
Temperature Grade——MILITARYINDUSTRIAL—
Transmit Delay-Max——340 ns——
## ISO35MDWR Alternates Showing results——Image——
Data Rate———4 Mbps—
Telecom IC Type———MODEM—
## ST7540TR Alternates Showing results———Image—
Reach Compliance Code————Not Compliant
Resistor Type————TRIMMER

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 4 alternatives for TLP291-4 — response within 24 hours.

Quick Links

Why Look for Alternatives?

Finding alternatives for TLP291-4 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 TLP291-4 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 TLP291-4?

Known equivalents for TLP291-4 include NMA0512DC, ISO35MDWR, ST7540TR. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of TLP291-4?

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 TLP291-4 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.