SR1UARUAlternatives & Equivalent Parts
About SR1UARU
SR1UARU is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a Small Outline 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 | SR1UARUSource | IRF9540SPBF | LM5085MMX/NOPB | L7983PU33R |
|---|---|---|---|---|
| Manufacturer | STMicroelectronics | Vishay | Texas Instruments | STMicroelectronics |
| Package Type | Small Outline No-lead | Other | Small Outline Packages | Other |
| Pin Count | 6 | 3 | 8 | 11 |
| Temperature Range | -40.0°C ~ 85.0°C | -55.0°C ~ 175.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 150.0°C |
| Price | $0.4648 | $1.0600 | $1.1015 | $1.0159 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| Factory Lead Time | 24 Weeks | 8 Weeks | — | 16 Weeks |
| Consumer IC Type | CONSUMER CIRCUIT | — | — | — |
| JESD-30 Code | R-PDSO-N6 | R-PSSO-G2 | S-PDSO-G8 | S-PDSO-N10 |
| Number of Functions | 1 | — | 1 | 1 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC6,.04,20 | — | TSSOP8,.19 | SOLCC10,.12,20 |
| Package Shape | RECTANGULAR | RECTANGULAR | SQUARE | SQUARE |
| Package Style | SMALL OUTLINE, VERY THIN PROFILE | SMALL OUTLINE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED | 260 | 260 | 260 |
| Supply Voltage-Max (Vsup) | 5.5 V | — | — | — |
| Supply Voltage-Min (Vsup) | 2 V | — | — | — |
| Surface Mount | YES | YES | YES | YES |
| Temperature Grade | INDUSTRIAL | — | AUTOMOTIVE | — |
| Terminal Form | NO LEAD | GULL WING | GULL WING | NO LEAD |
| Terminal Pitch | 0.5 mm | — | 0.65 mm | 0.5 mm |
| Terminal Position | DUAL | SINGLE | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | 30 | 30 | 30 |
| Pbfree Code | — | Yes | Yes | — |
| YTEOL | — | 6 | 15 | 8 |
| Additional Feature | — | AVALANCHE RATED | ALSO OPERATES IN ADJUSTABLE MODE FROM 1.25V | — |
| Avalanche Energy Rating (Eas) | — | 640 mJ | — | — |
| Case Connection | — | DRAIN | — | — |
| Configuration | — | SINGLE WITH BUILT-IN DIODE | — | — |
| DS Breakdown Voltage-Min | — | 100 V | — | — |
| Drain Current-Max (ID) | — | 19 A | — | — |
| Drain-source On Resistance-Max | — | 0.2 Ω | — | — |
| FET Technology | — | METAL-OXIDE SEMICONDUCTOR | — | — |
| JESD-609 Code | — | e3 | e3 | — |
| Number of Elements | — | 1 | — | — |
| Operating Mode | — | ENHANCEMENT MODE | — | — |
| Polarity/Channel Type | — | P-CHANNEL | — | — |
| Power Dissipation-Max (Abs) | — | 150 W | — | — |
| Pulsed Drain Current-Max (IDM) | — | 72 A | — | — |
| Qualification Status | — | Not Qualified | Not Qualified | — |
| Terminal Finish | — | MATTE TIN | Matte Tin (Sn) | — |
| Transistor Application | — | SWITCHING | — | — |
| Transistor Element Material | — | SILICON | — | — |
| Analog IC - Other Type | — | — | SWITCHING CONTROLLER | SWITCHING REGULATOR |
| Control Mode | — | — | VOLTAGE-MODE | CURRENT-MODE |
| Control Technique | — | — | CONSTANT ON TIME | PULSE WIDTH MODULATION |
| Input Voltage-Max | — | — | 75 V | 60 V |
| Input Voltage-Min | — | — | 4.5 V | 3.5 V |
| Input Voltage-Nom | — | — | 48 V | 24 V |
| Number of Outputs | — | — | 1 | — |
| Output Current-Max | — | — | 10 A | 0.3 A |
| Output Voltage-Max | — | — | 75 V | — |
| Output Voltage-Min | — | — | 1.25 V | — |
| Switcher Configuration | — | — | BUCK | BUCK |
| Switching Frequency-Max | — | — | 1000 kHz | 2420 kHz |
| ## LM5085MMX/NOPB Alternates Showing results | — | — | Image | — |
| Output Voltage-Nom | — | — | — | 3.3 V |
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 SR1UARU — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for SR1UARU 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 SR1UARU 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 SR1UARU?
Known equivalents for SR1UARU include IRF9540SPBF, LM5085MMX/NOPB, L7983PU33R. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SR1UARU?
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 SR1UARU 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.