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
| Parameter | TLP291-4Source | NMA0512DC | ISO35MDWR | ST7540TR | 3296Y-1-224LF |
|---|---|---|---|---|---|
| Manufacturer | Toshiba | Murata Electronics | Texas Instruments | STMicroelectronics | Bourns |
| Package Type | Small Outline Packages | Other | Small Outline Packages | Small Outline Packages | Other |
| Pin Count | 16 | 6 | 16 | 28 | 3 |
| 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 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | OBSOLETE | END OF LIFE | ACTIVE |
| Electrical Parameters | |||||
| YTEOL | 8 | 7 | 0 | 0 | — |
| Additional Feature | UL APPROVED | -12 ADDITIONAL OUTPUT IS AVAILABLE | — | — | — |
| Coll-Emtr Bkdn Voltage-Min | 80 V | — | — | — | — |
| Configuration | SEPARATE, 4 CHANNELS | — | — | — | — |
| Current Transfer Ratio-Min | 50% | — | — | — | — |
| Dark Current-Max | 100 nA | — | — | — | — |
| Forward Current-Max | 0.05 A | — | — | — | — |
| Forward Voltage-Max | 1.4 V | — | — | — | — |
| Isolation Voltage-Max | 2500 V | — | — | — | — |
| JESD-609 Code | e4 | e3 | e4 | e3 | e3 |
| Mounting Feature | SURFACE MOUNT | — | — | — | — |
| Number of Elements | 4 | — | — | — | — |
| On-State Current-Max | 0.05 A | — | — | — | — |
| Optoelectronic Device Type | TRANSISTOR OUTPUT OPTOCOUPLER | — | — | — | — |
| Power Dissipation-Max | 0.15 W | — | — | — | — |
| Response Time-Max | 0.000002 s | — | — | — | — |
| Surface Mount | YES | NO | YES | YES | — |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) - with Nickel (Ni) barrier | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | MATTE TIN |
| Factory Lead Time | — | 8 Weeks | — | 35 Weeks | 10 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-T6 | R-PDSO-G16 | R-PDSO-G28 | — |
| Line Regulation-Max | — | 1.2% | — | — | — |
| Load Regulation-Max | — | 7.5% | — | — | — |
| Number of Functions | — | 1 | 1 | 1 | — |
| Number of Outputs | — | 2 | — | — | — |
| Output Current-Max | — | 0.042 A | — | — | — |
| Output Voltage-Nom | — | 12 V | — | — | — |
| Package Body Material | — | UNSPECIFIED | PLASTIC/EPOXY | PLASTIC/EPOXY | — |
| Package Shape | — | RECTANGLE | RECTANGULAR | RECTANGULAR | — |
| Package Style | — | MICROELECTRONIC ASSEMBLY | SMALL OUTLINE | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH | — |
| Peak Reflow Temperature (Cel) | — | 260 | 260 | 260 | — |
| Qualification Status | — | Not Qualified | Not Qualified | Not Qualified | — |
| Ripple Voltage (Main Out) | — | 0.0053025 Vrms | — | — | — |
| Switching Frequency-Max | — | 110 kHz | — | — | — |
| Technology | — | HYBRID | BICMOS | BCDMOS | — |
| Terminal Form | — | THROUGH-HOLE | GULL WING | GULL WING | — |
| Terminal Pitch | — | 2.54 mm | 1.27 mm | 0.65 mm | — |
| Terminal Position | — | DUAL | DUAL | DUAL | — |
| Time@Peak Reflow Temperature-Max (s) | — | 10 | 30 | 30 | — |
| 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,.4 | TSSOP28,.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 V | 5 V | — |
| Supply Voltage1-Max | — | — | 3.6 V | — | — |
| Supply Voltage1-Min | — | — | 3.15 V | — | — |
| Supply Voltage1-Nom | — | — | 3.3 V | — | — |
| Temperature Grade | — | — | MILITARY | INDUSTRIAL | — |
| 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.