OPA4991IRUCRAlternatives & Equivalent Parts
About OPA4991IRUCR
OPA4991IRUCR is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Quad Flat No-Lead 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 | OPA4991IRUCRSource | LM2731XMF/NOPB | STL90N6F7 | STTH4R02U |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | STMicroelectronics | STMicroelectronics |
| Package Type | Quad Flat No-Lead | SOT23 (5-Pin) | Other | Other |
| Pin Count | 14 | 5 | 9 | 2 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | ~ 175.0°C | ~ 175.0°C |
| Price | $1.8500 | $0.6425 | $0.5315 | $0.0990 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| Pbfree Code | Yes | Yes | — | — |
| Date Of Intro | 2020-07-09 | — | — | — |
| YTEOL | 15 | 15 | 6 | 6.45 |
| Amplifier Type | OPERATIONAL AMPLIFIER | — | — | — |
| Architecture | VOLTAGE-FEEDBACK | — | — | — |
| Common-mode Reject Ratio-Min | 109 dB | — | — | — |
| Common-mode Reject Ratio-Nom | 130 dB | — | — | — |
| Frequency Compensation | YES | — | — | — |
| Input Offset Voltage-Max | 830 µV | — | — | — |
| JESD-30 Code | S-PQCC-N14 | R-PDSO-G5 | R-PDSO-F8 | R-PDSO-C2 |
| JESD-609 Code | e4 | e3 | e3 | e3 |
| Low-Bias | NO | — | — | — |
| Low-Offset | YES | — | — | — |
| Micropower | NO | — | — | — |
| Neg Supply Voltage Limit-Max | -21 V | — | — | — |
| Neg Supply Voltage-Nom (Vsup) | -4 V | — | — | — |
| Number of Functions | 4 | 1 | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | LCC14,.1SQ,16 | TSOP5/6,.11,37 | — | — |
| Package Shape | SQUARE | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | CHIP CARRIER, VERY THIN PROFILE | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE | SMALL OUTLINE |
| Packing Method | TR | — | — | — |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 |
| Power | NO | — | — | — |
| Programmable Power | NO | — | — | — |
| Slew Rate-Nom | 21 V/us | — | — | — |
| Supply Current-Max | 2.74 mA | — | — | — |
| Supply Voltage Limit-Max | 21 V | — | — | — |
| Supply Voltage-Nom (Vsup) | 4 V | — | — | — |
| Surface Mount | YES | YES | YES | YES |
| Technology | CMOS | BICMOS | — | — |
| Temperature Grade | AUTOMOTIVE | AUTOMOTIVE | — | — |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | NO LEAD | GULL WING | FLAT | C BEND |
| Terminal Pitch | 0.4 mm | 0.95 mm | — | — |
| Terminal Position | QUAD | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | NOT SPECIFIED | 30 |
| Unity Gain BW-Nom | 4500 | — | — | — |
| Voltage Gain-Min | 158489.3192 | — | — | — |
| Wideband | NO | — | — | — |
| ## OPA4991IRUCR Alternates Showing results | Image | — | — | — |
| Analog IC - Other Type | — | SWITCHING REGULATOR | — | — |
| Control Mode | — | CURRENT-MODE | — | — |
| Control Technique | — | PULSE WIDTH MODULATION | — | — |
| Input Voltage-Max | — | 14 V | — | — |
| Input Voltage-Min | — | 2.7 V | — | — |
| Input Voltage-Nom | — | 5 V | — | — |
| Number of Outputs | — | 1 | — | — |
| Output Voltage-Max | — | 22 V | — | — |
| Output Voltage-Min | — | 1.23 V | — | — |
| Qualification Status | — | Not Qualified | — | Not Qualified |
| Switcher Configuration | — | BOOST | — | — |
| Switching Frequency-Max | — | 1600 kHz | — | — |
| ## LM2731XMF/NOPB Alternates Showing results | — | Image | — | — |
| Factory Lead Time | — | — | 26 Weeks | 15 Weeks |
| Case Connection | — | — | DRAIN | — |
| Configuration | — | — | SINGLE WITH BUILT-IN DIODE | SINGLE |
| DS Breakdown Voltage-Min | — | — | 60 V | — |
| Drain Current-Max (ID) | — | — | 90 A | — |
| Drain-source On Resistance-Max | — | — | 0.0054 Ω | — |
| FET Technology | — | — | TRENCH MOSFET | — |
| Feedback Cap-Max (Crss) | — | — | 66 pF | — |
| Number of Elements | — | — | 1 | 1 |
| Operating Mode | — | — | ENHANCEMENT MODE | — |
| Polarity/Channel Type | — | — | N-CHANNEL | — |
| Power Dissipation-Max (Abs) | — | — | 94 W | — |
| Pulsed Drain Current-Max (IDM) | — | — | 360 A | — |
| Transistor Application | — | — | SWITCHING | — |
| Transistor Element Material | — | — | SILICON | — |
| Additional Feature | — | — | — | FREE WHEELING DIODE |
| Application | — | — | — | ULTRA FAST RECOVERY |
| Diode Element Material | — | — | — | SILICON |
| Diode Type | — | — | — | RECTIFIER DIODE |
| Forward Voltage-Max (VF) | — | — | — | 1.25 V |
| Non-rep Pk Forward Current-Max | — | — | — | 70 A |
| Number of Phases | — | — | — | 1 |
| Output Current-Max | — | — | — | 4 A |
| Rep Pk Reverse Voltage-Max | — | — | — | 200 V |
| Reverse Current-Max | — | — | — | 3 µA |
| Reverse Recovery Time-Max | — | — | — | 0.03 µs |
| Reverse Test Voltage | — | — | — | 200 V |
| ## STTH4R02U 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 3 alternatives for OPA4991IRUCR — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for OPA4991IRUCR 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 OPA4991IRUCR 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 OPA4991IRUCR?
Known equivalents for OPA4991IRUCR include LM2731XMF/NOPB, STL90N6F7, STTH4R02U. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of OPA4991IRUCR?
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 OPA4991IRUCR 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.