FX0321Alternatives & Equivalent Parts
About FX0321
FX0321 is a Undefined or Miscellaneous component manufactured by Bulgin. It comes in a Other 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 | FX0321Source | MIC5209-3.6YS | 0805ZC106KAT2A | MCP1642B-50I/MS | CRCW12061K60FKEA |
|---|---|---|---|---|---|
| Manufacturer | Bulgin | Microchip | AVX | Microchip | Vishay |
| Package Type | Other | SOT223 (3-Pin) | Capacitor Chip Non-polarised | Small Outline Packages | Resistor Chip |
| Pin Count | 2 | 3 | 2 | 8 | 2 |
| Temperature Range | — | — | -55.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -55.0°C ~ 155.0°C |
| Price | $1.5797 | $0.6758 | $0.0279 | $0.2609 | $0.0103 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | — | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||
| Manufacturer Package Code | — | SOT-223-3 | — | MSOP-8 | — |
| YTEOL | — | 8 | 6 | 14 | 12 |
| Adjustability | — | FIXED | — | — | — |
| Dropout Voltage1-Max | — | 0.6 V | — | — | — |
| Dropout Voltage1-Nom | — | 0.35 V | — | — | — |
| Input Voltage Absolute-Max | — | 20 V | — | — | — |
| Input Voltage-Max | — | 16 V | — | 4.2 V | — |
| Input Voltage-Min | — | 4.6 V | — | 2.5 V | — |
| JESD-30 Code | — | R-PDSO-G4 | — | S-PDSO-G8 | — |
| JESD-609 Code | — | e3 | e3 | e3 | — |
| Line Regulation-Max | — | 0.0036% | — | — | — |
| Load Regulation-Max | — | 0.0252% | — | — | — |
| Number of Functions | — | 1 | — | 1 | — |
| Number of Outputs | — | 1 | — | — | — |
| Operating Temperature TJ-Max | — | 125 °C | — | — | — |
| Operating Temperature TJ-Min | — | -40 °C | — | — | — |
| Output Current1-Max | — | 0.5 A | — | — | — |
| Output Voltage1-Max | — | 3.672 V | — | — | — |
| Output Voltage1-Min | — | 3.528 V | — | — | — |
| Output Voltage1-Nom | — | 3.6 V | — | — | — |
| Package Body Material | — | PLASTIC/EPOXY | — | PLASTIC/EPOXY | — |
| Package Equivalence Code | — | SOT-223-4 | — | TSSOP8,.19 | — |
| Package Shape | — | RECTANGULAR | RECTANGULAR PACKAGE | SQUARE | — |
| Package Style | — | SMALL OUTLINE, HEAT SINK/SLUG | SMT | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMT |
| Packing Method | — | TUBE | TR, EMBOSSED, 7 INCH | — | TR, Paper, 7 Inch |
| Qualification Status | — | Not Qualified | — | — | — |
| Regulator Type | — | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — | — | — |
| Surface Mount | — | YES | YES | YES | YES |
| Terminal Finish | — | MATTE TIN | MATTE TIN OVER NICKEL | Matte Tin (Sn) | Matte Tin (Sn) - with Nickel (Ni) barrier |
| Terminal Form | — | GULL WING | — | GULL WING | — |
| Terminal Pitch | — | 2.3 mm | — | 0.65 mm | — |
| Terminal Position | — | DUAL | — | DUAL | — |
| Voltage Tolerance-Max | — | 2% | — | — | — |
| ## MIC5209-3.6YS Alternates Showing results | — | Image | — | — | — |
| Pbfree Code | — | — | Yes | — | Yes |
| Reach Compliance Code | — | — | Compliant | — | Compliant |
| Factory Lead Time | — | — | 12 Weeks | 12 Weeks | 12 Weeks |
| Capacitance | — | — | 10 µF | — | — |
| Capacitor Type | — | — | CERAMIC CAPACITOR | — | — |
| Dielectric Material | — | — | CERAMIC | — | — |
| Height | — | — | 1.52 mm | — | — |
| Mounting Feature | — | — | SURFACE MOUNT | — | SURFACE MOUNT |
| Multilayer | — | — | Yes | — | — |
| Negative Tolerance | — | — | 10% | — | — |
| Positive Tolerance | — | — | 10% | — | — |
| Rated (DC) Voltage (URdc) | — | — | 10 V | — | — |
| Size Code | — | — | 0805 | — | 1206 |
| Temperature Characteristics Code | — | — | X7R | — | — |
| Temperature Coefficient | — | — | 15% ppm/°C | — | — |
| Terminal Shape | — | — | WRAPAROUND | — | WRAPAROUND |
| Analog IC - Other Type | — | — | — | SWITCHING REGULATOR | — |
| Control Mode | — | — | — | CURRENT-MODE | — |
| Control Technique | — | — | — | PULSE WIDTH MODULATION | — |
| Output Current-Max | — | — | — | 0.8 A | — |
| Output Voltage-Nom | — | — | — | 5 V | — |
| Screening Level | — | — | — | TS 16949 | — |
| Switcher Configuration | — | — | — | BOOST | — |
| Switching Frequency-Max | — | — | — | 1150 kHz | — |
| Temperature Grade | — | — | — | INDUSTRIAL | — |
| ## MCP1642B-50I/MS Alternates Showing results | — | — | — | Image | — |
| Additional Feature | — | — | — | — | RATED AC VOLTAGE (V): 200 |
| Construction | — | — | — | — | Rectangular |
| Package Height | — | — | — | — | 0.55 mm |
| Package Length | — | — | — | — | 3.2 mm |
| Package Width | — | — | — | — | 1.6 mm |
| Rated Power Dissipation (P) | — | — | — | — | 0.25 W |
| Rated Temperature | — | — | — | — | 70 °C |
| Reference Standard | — | — | — | — | AEC-Q200 |
| Resistance | — | — | — | — | 1600 Ω |
| Resistor Type | — | — | — | — | FIXED RESISTOR |
| Technology | — | — | — | — | METAL GLAZE/THICK FILM |
| Tolerance | — | — | — | — | 1% |
| Working Voltage | — | — | — | — | 200 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 4 alternatives for FX0321 — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for FX0321 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 FX0321 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 FX0321?
Known equivalents for FX0321 include MIC5209-3.6YS, 0805ZC106KAT2A, MCP1642B-50I/MS. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of FX0321?
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 FX0321 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.