MCP621ST-E/OTAlternatives & Equivalent Parts
About MCP621ST-E/OT
MCP621ST-E/OT is a Integrated Circuit component manufactured by Microchip. It comes in a SOT23 (5-Pin) 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 | MCP621ST-E/OTSource | TSV991ILT | STM32F303RET6 | SMBJ26A-TR |
|---|---|---|---|---|
| Manufacturer | Microchip | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | SOT23 (5-Pin) | SOT23 (5-Pin) | Quad Flat Packages | Other |
| Pin Count | 5 | 5 | 64 | 2 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -55.0°C ~ 150.0°C |
| Price | $1.2800 | $0.3450 | $5.7247 | $0.1090 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| Manufacturer Package Code | SOT-23-5 | — | — | — |
| Factory Lead Time | 8 Weeks | 16 Weeks | — | 13 Weeks |
| YTEOL | 14 | 8 | 9 | 6 |
| Amplifier Type | OPERATIONAL AMPLIFIER | OPERATIONAL AMPLIFIER | — | — |
| Architecture | VOLTAGE-FEEDBACK | VOLTAGE-FEEDBACK | — | — |
| Average Bias Current-Max (IIB) | 0.005 µA | 0.0001 µA | — | — |
| Common-mode Reject Ratio-Min | 68 dB | 60 dB | — | — |
| Common-mode Reject Ratio-Nom | 84 dB | 78 dB | — | — |
| Frequency Compensation | YES | YES | — | — |
| Input Offset Voltage-Max | 200 µV | 7500 µV | — | — |
| JESD-30 Code | R-PDSO-G5 | R-PDSO-G5 | S-PQFP-G64 | R-PDSO-C2 |
| JESD-609 Code | e3 | e4 | e3 | e3 |
| Low-Bias | YES | YES | — | — |
| Low-Offset | YES | NO | — | — |
| Micropower | NO | NO | — | — |
| Number of Functions | 1 | 5 | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 | TSOP5/6,.11,37 | QFP64,.47SQ,20 | — |
| Package Shape | RECTANGULAR | RECTANGULAR | SQUARE | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | FLATPACK, LOW PROFILE, FINE PITCH | SMALL OUTLINE |
| Packing Method | TR | TR | — | — |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 |
| Power | NO | NO | — | — |
| Programmable Power | NO | NO | — | — |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Screening Level | TS 16949 | — | — | — |
| Slew Rate-Nom | 10 V/us | 10 V/us | — | — |
| Supply Current-Max | 3.6 mA | 1.1 mA | 76.9 mA | — |
| Supply Voltage Limit-Max | 6.5 V | 6 V | — | — |
| Supply Voltage-Nom (Vsup) | 2.5 V | 3.3 V | — | — |
| Surface Mount | YES | YES | YES | YES |
| Technology | CMOS | BICMOS | CMOS | AVALANCHE |
| Temperature Grade | AUTOMOTIVE | AUTOMOTIVE | INDUSTRIAL | — |
| Terminal Finish | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING | GULL WING | GULL WING | C BEND |
| Terminal Pitch | 0.95 mm | 0.95 mm | 0.5 mm | — |
| Terminal Position | DUAL | DUAL | QUAD | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 | 30 | 30 | 30 |
| Unity Gain BW-Nom | 20000 | 20000 | — | — |
| Voltage Gain-Min | 50118 | 5600 | — | — |
| Wideband | NO | NO | — | — |
| Bias Current-Max (IIB) @25C | — | 0.00001 µA | — | — |
| Has ADC | — | — | YES | — |
| Additional Feature | — | — | IT ALSO HAS CORE COUPLED MEMORY(CCM) RAM IS 16KBYTES | — |
| Bit Size | — | — | 32 | — |
| Boundary Scan | — | — | YES | — |
| CPU Family | — | — | CORTEX-M4F | — |
| Clock Frequency-Max | — | — | 32 MHz | — |
| DAC Channels | — | — | YES | — |
| DMA Channels | — | — | YES | — |
| Number of I/O Lines | — | — | 51 | — |
| On Chip Program ROM Width | — | — | 8 | — |
| PWM Channels | — | — | YES | — |
| RAM (bytes) | — | — | 65536 | — |
| ROM (words) | — | — | 524288 | — |
| ROM Programmability | — | — | FLASH | — |
| Speed | — | — | 72 MHz | — |
| Supply Voltage-Max | — | — | 3.6 V | — |
| Supply Voltage-Min | — | — | 3.3 V | — |
| Supply Voltage-Nom | — | — | 3.3 V | — |
| uPs/uCs/Peripheral ICs Type | — | — | MICROCONTROLLER, RISC | — |
| ## STM32F303RET6 Alternates Showing results | — | — | Image | — |
| Reach Compliance Code | — | — | — | Not Compliant |
| Breakdown Voltage-Min | — | — | — | 28.9 V |
| Breakdown Voltage-Nom | — | — | — | 30.4 V |
| Clamping Voltage-Max | — | — | — | 53.5 V |
| Configuration | — | — | — | SINGLE, 1 CHANNEL |
| Diode Element Material | — | — | — | SILICON |
| Diode Type | — | — | — | TRANS VOLTAGE SUPPRESSOR DIODE |
| JEDEC-95 Code | — | — | — | DO-214AA |
| Non-rep Peak Rev Power Dis-Max | — | — | — | 600 W |
| Number of Elements | — | — | — | 1 |
| Polarity | — | — | — | UNIDIRECTIONAL |
| Reference Standard | — | — | — | IEC-61000-4-2, 4-4, 4-5; MIL-STD-750; MIL-STD-883G |
| Rep Pk Reverse Voltage-Max | — | — | — | 26 V |
| Reverse Current-Max | — | — | — | 0.2 µA |
| Reverse Test Voltage | — | — | — | 26 V |
| ## SMBJ26A-TR 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 MCP621ST-E/OT — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for MCP621ST-E/OT 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 MCP621ST-E/OT 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 MCP621ST-E/OT?
Known equivalents for MCP621ST-E/OT include TSV991ILT, STM32F303RET6, SMBJ26A-TR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of MCP621ST-E/OT?
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 MCP621ST-E/OT 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.