TLP291-4(E(TAlternatives & Equivalent Parts
About TLP291-4(E(T
TLP291-4(E(T is a Phototransistor 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 | TLP291-4(E(TSource | AQY212S | KAA-3528SURKSYKS | 41.52.9.012.0010 | AD7451ARMZ |
|---|---|---|---|---|---|
| Manufacturer | Toshiba | Panasonic | Kingbright | FINDER | Analog Devices |
| Package Type | Small Outline Packages | Small Outline Packages | Other | Other | Small Outline Packages |
| Pin Count | 16 | 4 | 4 | 8 | 8 |
| Temperature Range | -55.0°C ~ 110.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | — | -40.0°C ~ 85.0°C |
| Price | $0.7993 | $1.1000 | $0.1680 | $4.4280 | $7.7200 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | — | ACTIVE |
| Electrical Parameters | |||||
| YTEOL | 8 | 4 | 6 | — | 10 |
| Additional Feature | UL APPROVED | UL APPROVED | — | — | — |
| Coll-Emtr Bkdn Voltage-Min | 80 V | — | — | — | — |
| Configuration | SEPARATE, 4 CHANNELS | SINGLE | SEPARATE, 2 ELEMENTS | — | — |
| Current Transfer Ratio-Min | 50% | — | — | — | — |
| Dark Current-Max | 100 nA | — | — | — | — |
| Forward Current-Max | 0.05 A | 0.05 A | 0.03 A | — | — |
| Forward Voltage-Max | 1.4 V | — | 2.5 V | — | — |
| Isolation Voltage-Max | 2500 V | 1500 V | — | — | — |
| JESD-609 Code | e4 | — | — | — | e3 |
| Mounting Feature | SURFACE MOUNT | SURFACE MOUNT | SURFACE MOUNT | — | — |
| Number of Elements | 4 | 1 | — | — | — |
| On-State Current-Max | 0.05 A | 0.5 A | — | — | — |
| Optoelectronic Device Type | TRANSISTOR OUTPUT OPTOCOUPLER | TRANSISTOR OUTPUT SSR | DUAL COLOR LED | — | — |
| Power Dissipation-Max | 0.17 W | — | — | — | — |
| Response Time-Max | 0.000002 s | — | — | — | — |
| Surface Mount | YES | YES | YES | — | YES |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | — | — | — | Matte Tin (Sn) - annealed |
| Pbfree Code | — | Yes | — | — | No |
| Factory Lead Time | — | 16 Weeks | — | — | — |
| Control Current | — | 0.03 A | — | — | — |
| Control Voltage | — | 1.25 V | — | — | — |
| Input Type | — | AC/DC | — | — | — |
| On-state Resistance-Max | — | 35 Ω | — | — | — |
| Output Circuit Type | — | MOSFET | — | — | — |
| Overall Height | — | 2.1 mm | 1.8 mm | — | — |
| Overall Length | — | 4.3 mm | — | — | — |
| Packing Method | — | TUBE | TR, 7 INCH | — | — |
| Color | — | — | HYPER RED/SUPER BRIGHT YELLOW | — | — |
| Color@Wavelength | — | — | Orange-Red/Yellow | — | — |
| Lens Type | — | — | WATER CLEAR | — | — |
| Luminous Intensity-Min | — | — | 120 cd | — | — |
| Luminous Intensity-Nom | — | — | 320.0/200.0 mcd | — | — |
| Number of Functions | — | — | 1 | — | 1 |
| Peak Wavelength | — | — | 650/590 nm | — | — |
| Reverse Voltage-Max | — | — | 5 V | — | — |
| Shape | — | — | ROUND | — | — |
| Size | — | — | 2.4 mm | — | — |
| Terminal Pitch | — | — | 2.8 mm | — | 0.65 mm |
| Viewing Angle | — | — | 120 deg | — | — |
| Manufacturer Package Code | — | — | — | — | RM-8 |
| Analog Input Voltage-Max | — | — | — | — | 1.25 V |
| Analog Input Voltage-Min | — | — | — | — | -1.25 V |
| Conversion Time-Max | — | — | — | — | 16 µs |
| Converter Type | — | — | — | — | ADC, SUCCESSIVE APPROXIMATION |
| JESD-30 Code | — | — | — | — | S-PDSO-G8 |
| Linearity Error-Max (EL) | — | — | — | — | 0.0366% |
| Number of Analog In Channels | — | — | — | — | 1 |
| Number of Bits | — | — | — | — | 12 |
| Output Bit Code | — | — | — | — | BINARY |
| Output Format | — | — | — | — | SERIAL |
| Package Body Material | — | — | — | — | PLASTIC/EPOXY |
| Package Equivalence Code | — | — | — | — | TSSOP8,.19 |
| Package Shape | — | — | — | — | SQUARE |
| Package Style | — | — | — | — | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | — | — | — | — | 260 |
| Qualification Status | — | — | — | — | Not Qualified |
| Sample Rate | — | — | — | — | 1 MHz |
| Sample and Hold / Track and Hold | — | — | — | — | TRACK |
| Supply Current-Max | — | — | — | — | 1.95 mA |
| Supply Voltage-Nom | — | — | — | — | 3 V |
| Technology | — | — | — | — | CMOS |
| Temperature Grade | — | — | — | — | INDUSTRIAL |
| Terminal Form | — | — | — | — | GULL WING |
| Terminal Position | — | — | — | — | DUAL |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | — | 30 |
| ## AD7451ARMZ 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 4 alternatives for TLP291-4(E(T — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for TLP291-4(E(T 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(E(T 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(E(T?
Known equivalents for TLP291-4(E(T include AQY212S, KAA-3528SURKSYKS, 41.52.9.012.0010. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of TLP291-4(E(T?
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(E(T 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.