AQS221FR2SAlternatives & Equivalent Parts
About AQS221FR2S
AQS221FR2S is a Relay or Contactor component manufactured by Panasonic. 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 | AQS221FR2SSource | 24FC256-I/ST | 24FC256-I/SM | MDC3105LT1G | SS8050-G | CRCW040252K3FKED |
|---|---|---|---|---|---|---|
| Manufacturer | Panasonic | Microchip | Microchip | ON Semiconductor | Comchip Technology | Vishay |
| Package Type | Small Outline Packages | Small Outline Packages | Small Outline Packages | SOT23 (3-Pin) | SOT23 (3-Pin) | Other |
| Pin Count | 16 | 8 | 8 | 3 | 3 | 2 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | — | -55.0°C ~ 155.0°C |
| Price | $16.7800 | $0.4000 | $0.6185 | $0.5200 | $0.0370 | $0.0020 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | ACTIVE | ACTIVE | OBSOLETE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||
| Factory Lead Time | 14 Weeks | 9 Weeks | 7 Weeks | — | — | — |
| YTEOL | 0 | 8 | 8 | 0 | 7 | 13 |
| Configuration | SEPARATE, 4 ELEMENTS WITH BUILT-IN RESISTOR | — | — | — | SINGLE | — |
| Isolation Voltage-Max | 500 V | — | — | — | — | — |
| Number of Elements | 4 | — | — | — | 1 | — |
| On-State Current-Max | 0.16 A | — | — | — | — | — |
| On-state Resistance-Max | 1.25 Ω | — | — | — | — | — |
| Optoelectronic Device Type | TRANSISTOR OUTPUT SSR | — | — | — | — | — |
| Packing Method | TUBE | — | — | — | — | TR, Paper, 7 Inch |
| Pbfree Code | — | Yes | Yes | Yes | Yes | Yes |
| Manufacturer Package Code | — | TSSOP-8 | SOIJ-8 | 318 | — | — |
| Clock Frequency-Max (fCLK) | — | 1 MHz | 1 MHz | — | — | — |
| Data Retention Time-Min | — | 200 | 200 | — | — | — |
| Endurance | — | 1000000 Write/Erase Cycles | 1000000 Write/Erase Cycles | — | — | — |
| I2C Control Byte | — | 1010DDDR | 1010DDDR | — | — | — |
| JESD-30 Code | — | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G3 | R-PDSO-G3 | — |
| JESD-609 Code | — | e3 | e3 | e3 | — | — |
| Memory Density | — | 262144 bit | 262144 bit | — | — | — |
| Memory IC Type | — | EEPROM | EEPROM | — | — | — |
| Memory Width | — | 8 | 8 | — | — | — |
| Number of Functions | — | 1 | 1 | 1 | — | — |
| Number of Ports | — | 1 | 1 | — | — | — |
| Number of Words | — | 32768 words | 32768 words | — | — | — |
| Number of Words Code | — | 32000 | 32000 | — | — | — |
| Operating Mode | — | SYNCHRONOUS | SYNCHRONOUS | — | — | — |
| Organization | — | 32KX8 | 32KX8 | — | — | — |
| Output Characteristics | — | OPEN-DRAIN | OPEN-DRAIN | — | — | — |
| Package Body Material | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — |
| Package Equivalence Code | — | TSSOP8,.25 | SOP8,.3 | TO-236 | — | — |
| Package Shape | — | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | — |
| Package Style | — | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE | SMT |
| Parallel/Serial | — | SERIAL | SERIAL | — | — | — |
| Peak Reflow Temperature (Cel) | — | 260 | 260 | 260 | NOT SPECIFIED | — |
| Programming Voltage | — | 2.5 V | 2.5 V | — | — | — |
| Qualification Status | — | Not Qualified | Not Qualified | Not Qualified | — | — |
| Reverse Pinout | — | NO | NO | — | — | — |
| Screening Level | — | AEC-Q100 | AEC-Q100 | — | — | — |
| Serial Bus Type | — | I2C | I2C | — | — | — |
| Standby Current-Max | — | 0.000005 A | 0.000005 A | — | — | — |
| Supply Current-Max | — | 0.003 mA | 0.003 mA | — | — | — |
| Supply Voltage-Max (Vsup) | — | 5.5 V | 5.5 V | — | — | — |
| Supply Voltage-Min (Vsup) | — | 1.7 V | 1.7 V | — | — | — |
| Supply Voltage-Nom (Vsup) | — | 2.5 V | 2.5 V | — | — | — |
| Surface Mount | — | YES | YES | YES | YES | YES |
| Technology | — | CMOS | CMOS | BIPOLAR | — | METAL GLAZE/THICK FILM |
| Temperature Grade | — | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | — | — |
| Terminal Finish | — | Matte Tin (Sn) | Matte Tin (Sn) | MATTE TIN | — | Matte Tin (Sn) - with Nickel (Ni) barrier |
| Terminal Form | — | GULL WING | GULL WING | GULL WING | GULL WING | — |
| Terminal Pitch | — | 0.65 mm | 1.27 mm | 0.95 mm | — | — |
| Terminal Position | — | DUAL | DUAL | DUAL | DUAL | — |
| Write Cycle Time-Max (tWC) | — | 5 ms | 5 ms | — | — | — |
| Write Protection | — | HARDWARE | HARDWARE | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | — | 40 | 30 | NOT SPECIFIED | — |
| Built-in Protections | — | — | — | TRANSIENT | — | — |
| Driver Number of Bits | — | — | — | 1 | — | — |
| Interface IC Type | — | — | — | BUFFER OR INVERTER BASED PERIPHERAL DRIVER | — | — |
| Output Current Flow Direction | — | — | — | SINK | — | — |
| Output Current-Max | — | — | — | 0.25 A | — | — |
| Supply Voltage-Max | — | — | — | 6 V | — | — |
| Supply Voltage-Min | — | — | — | 3 V | — | — |
| Supply Voltage-Nom | — | — | — | 5 V | — | — |
| Reach Compliance Code | — | — | — | — | Compliant | Compliant |
| Collector Current-Max (IC) | — | — | — | — | 1.5 A | — |
| Collector-Emitter Voltage-Max | — | — | — | — | 25 V | — |
| DC Current Gain-Min (hFE) | — | — | — | — | 40 | — |
| Polarity/Channel Type | — | — | — | — | NPN | — |
| Transistor Element Material | — | — | — | — | SILICON | — |
| Transition Frequency-Nom (fT) | — | — | — | — | 100 MHz | — |
| Additional Feature | — | — | — | — | — | RATED AC VOLTAGE (V): 50 |
| Construction | — | — | — | — | — | Rectangular |
| Mounting Feature | — | — | — | — | — | SURFACE MOUNT |
| Package Height | — | — | — | — | — | 0.35 mm |
| Package Length | — | — | — | — | — | 1 mm |
| Package Width | — | — | — | — | — | 0.5 mm |
| Rated Power Dissipation (P) | — | — | — | — | — | 0.063 W |
| Rated Temperature | — | — | — | — | — | 70 °C |
| Reference Standard | — | — | — | — | — | AEC-Q200 |
| Resistance | — | — | — | — | — | 52300 Ω |
| Resistor Type | — | — | — | — | — | FIXED RESISTOR |
| Size Code | — | — | — | — | — | 0402 |
| Terminal Shape | — | — | — | — | — | WRAPAROUND |
| Tolerance | — | — | — | — | — | 1% |
| Working Voltage | — | — | — | — | — | 50 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 5 alternatives for AQS221FR2S — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for AQS221FR2S 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 AQS221FR2S 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 AQS221FR2S?
Known equivalents for AQS221FR2S include 24FC256-I/ST, 24FC256-I/SM, MDC3105LT1G. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of AQS221FR2S?
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 AQS221FR2S 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.