IR2121PBFAlternatives & Equivalent Parts
About IR2121PBF
IR2121PBF is a Integrated Circuit component manufactured by International Rectifier. It comes in a Dual-In-Line 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 | IR2121PBFSource | IR2127PBF | MJE15033G | BUF602IDBVT |
|---|---|---|---|---|
| Manufacturer | International Rectifier | International Rectifier | ON Semiconductor | Texas Instruments |
| Package Type | Dual-In-Line Packages | Dual-In-Line Packages | Transistor Outline, Vertical | — |
| Pin Count | 8 | 8 | 3 | — |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | ~ 150.0°C | — |
| Price | $1.2895 | $1.5260 | $0.5422 | $4.5454 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | NOT RECOMMENDED | NOT RECOMMENDED | ACTIVE | — |
| Electrical Parameters | ||||
| Factory Lead Time | 16 Weeks | 20 Weeks | — | — |
| YTEOL | 5.5 | 5.65 | 4 | — |
| High Side Driver | NO | YES | — | — |
| Input Characteristics | SCHMITT TRIGGER | STANDARD | — | — |
| Interface IC Type | BUFFER OR INVERTER BASED MOSFET DRIVER | BUFFER OR INVERTER BASED IGBT/MOSFET DRIVER | — | — |
| JESD-30 Code | R-PDIP-T8 | R-PDIP-T8 | R-PSFM-T3 | — |
| JESD-609 Code | e3 | — | e3 | — |
| Number of Functions | 1 | 1 | — | — |
| Output Characteristics | TOTEM-POLE | — | — | — |
| Output Peak Current Limit-Nom | 3.3 A | 0.5 A | — | — |
| Output Polarity | TRUE | TRUE | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — |
| Package Equivalence Code | DIP8,.3 | DIP8,.3 | — | — |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | — |
| Package Style | IN-LINE | IN-LINE | FLANGE MOUNT | — |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | — |
| Supply Voltage-Max | 23 V | 20 V | — | — |
| Supply Voltage-Min | 7 V | 10 V | — | — |
| Supply Voltage-Nom | 15 V | 15 V | — | — |
| Supply Voltage1-Max | 23 V | 620 V | — | — |
| Supply Voltage1-Min | 7 V | 7 V | — | — |
| Supply Voltage1-Nom | 15 V | 15 V | — | — |
| Surface Mount | NO | NO | NO | — |
| Technology | CMOS | CMOS | — | — |
| Temperature Grade | AUTOMOTIVE | AUTOMOTIVE | — | — |
| Terminal Finish | Tin (Sn) | — | Matte Tin (Sn) - annealed | — |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE | — |
| Terminal Pitch | 2.54 mm | 2.54 mm | — | — |
| Terminal Position | DUAL | DUAL | SINGLE | — |
| Turn-off Time | 0.25 µs | 0.2 µs | — | — |
| Turn-on Time | 0.2 µs | 0.25 µs | — | — |
| Peak Reflow Temperature (Cel) | — | NOT SPECIFIED | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | NOT SPECIFIED | — | — |
| Pbfree Code | — | — | Yes | — |
| Manufacturer Package Code | — | — | 221A | — |
| Case Connection | — | — | COLLECTOR | — |
| Collector Current-Max (IC) | — | — | 8 A | — |
| Collector-Emitter Voltage-Max | — | — | 250 V | — |
| Configuration | — | — | SINGLE | — |
| DC Current Gain-Min (hFE) | — | — | 10 | — |
| JEDEC-95 Code | — | — | TO-220AB | — |
| Number of Elements | — | — | 1 | — |
| Polarity/Channel Type | — | — | PNP | — |
| Power Dissipation Ambient-Max | — | — | 2 W | — |
| Power Dissipation-Max (Abs) | — | — | 50 W | — |
| Transistor Application | — | — | AMPLIFIER | — |
| Transistor Element Material | — | — | SILICON | — |
| Transition Frequency-Nom (fT) | — | — | 30 MHz | — |
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 IR2121PBF — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for IR2121PBF 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 IR2121PBF 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 IR2121PBF?
Known equivalents for IR2121PBF include IR2127PBF, MJE15033G, BUF602IDBVT. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of IR2121PBF?
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 IR2121PBF 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.