2N2221AAlternatives & Equivalent Parts
About 2N2221A
2N2221A is a Transistor BJT NPN component manufactured by Microchip. 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 | 2N2221ASource | EXB-2HV330JV | SN65DP159RSBT | AD5231BRUZ10 | 08052U4R7CAT2A |
|---|---|---|---|---|---|
| Manufacturer | Microchip | Panasonic | Texas Instruments | Analog Devices | AVX |
| Package Type | Other | Other | — | Small Outline Packages | Capacitor Chip Non-polarised |
| Pin Count | 3 | 16 | — | 16 | 2 |
| Temperature Range | ~ 200.0°C | — | — | -40.0°C ~ 85.0°C | -55.0°C ~ 125.0°C |
| Price | $0.3333 | $0.0410 | $4.5540 | $3.0000 | $0.1019 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | — | ACTIVE | ACTIVE |
| Electrical Parameters | |||||
| YTEOL | 23 | — | — | 10 | 8.06 |
| Case Connection | COLLECTOR | — | — | — | — |
| Collector Current-Max (IC) | 0.8 A | — | — | — | — |
| Collector-Emitter Voltage-Max | 50 V | — | — | — | — |
| Configuration | SINGLE | — | — | — | — |
| DC Current Gain-Min (hFE) | 20 | — | — | — | — |
| JEDEC-95 Code | TO-206AA | — | — | — | — |
| JESD-30 Code | O-MBCY-W3 | — | — | R-PDSO-G16 | — |
| JESD-609 Code | e0 | — | — | e3 | e3 |
| Number of Elements | 1 | — | — | — | — |
| Package Body Material | METAL | — | — | PLASTIC/EPOXY | — |
| Package Shape | ROUND | — | — | RECTANGULAR | RECTANGULAR PACKAGE |
| Package Style | CYLINDRICAL | — | — | SMALL OUTLINE | SMT |
| Polarity/Channel Type | NPN | — | — | — | — |
| Power Dissipation-Max (Abs) | 0.5 W | — | — | — | — |
| Qualification Status | Not Qualified | — | — | Not Qualified | — |
| Surface Mount | NO | — | — | YES | YES |
| Terminal Finish | Tin/Lead (Sn/Pb) | — | — | Matte Tin (Sn) | MATTE TIN OVER NICKEL |
| Terminal Form | WIRE | — | — | GULL WING | — |
| Terminal Position | BOTTOM | — | — | DUAL | — |
| Transistor Application | SWITCHING | — | — | — | — |
| Transistor Element Material | SILICON | — | — | — | — |
| Transition Frequency-Nom (fT) | 250 MHz | — | — | — | — |
| Turn-off Time-Max (toff) | 285 ns | — | — | — | — |
| Turn-on Time-Max (ton) | 35 ns | — | — | — | — |
| Pbfree Code | — | — | — | No | Yes |
| Manufacturer Package Code | — | — | — | RU-16 | — |
| Additional Feature | — | — | — | LINEAR OR LOG TAPER SETTINGS; NONVOLATILE MEMORY; CAN ALSO OPERATE FROM +/-2.25V TO +/-2.75V SUPPLY | — |
| Bandwidth-Nom | — | — | — | 0.37 kHz | — |
| Control Interface | — | — | — | 3-WIRE SERIAL | — |
| Converter Type | — | — | — | DIGITAL POTENTIOMETER | — |
| Number of Functions | — | — | — | 1 | — |
| Number of Positions | — | — | — | 1024 | — |
| Package Equivalence Code | — | — | — | TSSOP16,.25 | — |
| Peak Reflow Temperature (Cel) | — | — | — | 260 | — |
| Resistance Law | — | — | — | LOGARITHMIC | — |
| Resistance Tolerance-Max | — | — | — | 20% | — |
| Resistor Terminal Voltage-Max | — | — | — | 3 V | — |
| Supply Voltage-Nom | — | — | — | 3 V | — |
| Temperature Coefficient-Nom | — | — | — | 600 ppm/°C | — |
| Temperature Grade | — | — | — | INDUSTRIAL | — |
| Terminal Pitch | — | — | — | 0.65 mm | — |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | 30 | — |
| Total Resistance-Nom | — | — | — | 10000 Ω | — |
| ## AD5231BRUZ10 Alternates Showing results | — | — | — | Image | — |
| Reach Compliance Code | — | — | — | — | Compliant |
| Factory Lead Time | — | — | — | — | 10 Weeks |
| Capacitance | — | — | — | — | 0.0000047 µF |
| Capacitor Type | — | — | — | — | CERAMIC CAPACITOR |
| Dielectric Material | — | — | — | — | CERAMIC |
| Height | — | — | — | — | 1.15 mm |
| Mounting Feature | — | — | — | — | SURFACE MOUNT |
| Multilayer | — | — | — | — | No |
| Negative Tolerance | — | — | — | — | 5.32% |
| Packing Method | — | — | — | — | TR, 7 Inch |
| Positive Tolerance | — | — | — | — | 5.32% |
| Rated (DC) Voltage (URdc) | — | — | — | — | 200 V |
| Size Code | — | — | — | — | 0805 |
| Temperature Characteristics Code | — | — | — | — | C0G |
| Temperature Coefficient | — | — | — | — | 30ppm/Cel ppm/°C |
| Terminal Shape | — | — | — | — | WRAPAROUND |
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 2N2221A — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for 2N2221A 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 2N2221A 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 2N2221A?
Known equivalents for 2N2221A include EXB-2HV330JV, SN65DP159RSBT, AD5231BRUZ10. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of 2N2221A?
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 2N2221A 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.