BDX54CAlternatives & Equivalent Parts
About BDX54C
BDX54C is a Transistor Darlington Pair component manufactured by STMicroelectronics. It comes in a Transistor Outline, Vertical 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 | BDX54CSource | BDX54CG | DB105 | 73415-2121 | BDX53C | UC3843BN | 760308102207 |
|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | ON Semiconductor | Rectron | Molex | STMicroelectronics | STMicroelectronics | Würth Elektronik |
| Package Type | Transistor Outline, Vertical | Transistor Outline, Vertical | Dual-In-Line Packages | Other | Transistor Outline, Vertical | Dual-In-Line Packages | Other |
| Pin Count | 3 | 3 | 4 | 5 | 3 | 8 | 2 |
| Temperature Range | ~ 150.0°C | ~ 150.0°C | -55.0°C ~ 150.0°C | — | ~ 150.0°C | ~ 70.0°C | -20.0°C ~ 105.0°C |
| Price | $0.1758 | $0.3875 | $0.0667 | $2.2500 | $0.2407 | $0.3350 | $5.8045 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | OBSOLETE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||||
| Factory Lead Time | 14 Weeks | 4 Weeks | — | 10 Weeks | 14 Weeks | 14 Weeks | — |
| YTEOL | 9 | 0 | 6.62 | 8 | 9 | 6 | 15 |
| Collector Current-Max (IC) | 8 A | 8 A | — | — | 8 A | — | — |
| Collector-Emitter Voltage-Max | 100 V | 100 V | — | — | 100 V | — | — |
| Configuration | DARLINGTON WITH BUILT-IN DIODE AND RESISTOR | DARLINGTON WITH BUILT-IN DIODE AND RESISTOR | BRIDGE, 4 ELEMENTS | — | DARLINGTON WITH BUILT-IN DIODE AND RESISTOR | — | — |
| DC Current Gain-Min (hFE) | 750 | 750 | — | — | 750 | — | — |
| JEDEC-95 Code | TO-220AB | TO-220AB | — | — | TO-220AB | — | — |
| JESD-30 Code | R-PSFM-T3 | R-PSFM-T3 | R-PDIP-T4 | — | R-PSFM-T3 | R-PDIP-T8 | — |
| JESD-609 Code | e3 | e3 | e3 | — | e3 | e4 | — |
| Number of Elements | 1 | 1 | 4 | — | 1 | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | — |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | — | RECTANGULAR | RECTANGULAR | — |
| Package Style | FLANGE MOUNT | FLANGE MOUNT | IN-LINE | — | FLANGE MOUNT | IN-LINE | PCB Mount |
| Polarity/Channel Type | PNP | PNP | — | — | NPN | — | — |
| Power Dissipation Ambient-Max | 60 W | — | — | — | 60 W | — | — |
| Power Dissipation-Max (Abs) | 60 W | 60 W | — | — | 60 W | — | — |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | — | Not Qualified | Not Qualified | — |
| Surface Mount | NO | NO | NO | — | NO | NO | NO |
| Terminal Finish | Matte Tin (Sn) | MATTE TIN | Matte Tin (Sn) | — | Matte Tin (Sn) - annealed | Nickel/Palladium/Gold (Ni/Pd/Au) | — |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE | — | THROUGH-HOLE | THROUGH-HOLE | — |
| Terminal Position | SINGLE | SINGLE | DUAL | — | SINGLE | DUAL | — |
| Transistor Application | SWITCHING | AMPLIFIER | — | — | SWITCHING | — | — |
| Transistor Element Material | SILICON | SILICON | — | — | SILICON | — | — |
| Transition Frequency-Nom (fT) | 20 MHz | 20 MHz | — | — | 20 MHz | — | — |
| VCEsat-Max | 2 V | — | — | — | 2 V | — | — |
| ## BDX54C Alternates Showing results | Image | — | — | — | — | — | — |
| Pbfree Code | — | Yes | Yes | Yes | — | — | — |
| Manufacturer Package Code | — | 221A | — | — | — | — | — |
| Additional Feature | — | LEADFORM OPTIONS ARE AVAILABLE | — | — | — | — | — |
| Case Connection | — | COLLECTOR | — | — | — | — | — |
| Breakdown Voltage-Min | — | — | 600 V | — | — | — | — |
| Diode Element Material | — | — | SILICON | — | — | — | — |
| Diode Type | — | — | BRIDGE RECTIFIER DIODE | — | — | — | — |
| Forward Voltage-Max (VF) | — | — | 1.1 V | — | — | — | — |
| Non-rep Pk Forward Current-Max | — | — | 40 A | — | — | — | — |
| Number of Phases | — | — | 1 | — | — | — | — |
| Output Current-Max | — | — | 1 A | — | — | 1 A | — |
| Peak Reflow Temperature (Cel) | — | — | 260 | — | NOT SPECIFIED | — | — |
| Reference Standard | — | — | UL RECOGNIZED | — | — | — | — |
| Rep Pk Reverse Voltage-Max | — | — | 600 V | — | — | — | — |
| Reverse Current-Max | — | — | 0.00001 µA | — | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | — | 10 | — | NOT SPECIFIED | — | — |
| Body Breadth | — | — | — | 0.136 inch | — | — | — |
| Body Depth | — | — | — | 0.186 inch | — | — | — |
| Body Length | — | — | — | 0.136 inch | — | — | — |
| Body/Shell Style | — | — | — | PLUG | — | — | — |
| Characteristic Impedance | — | — | — | 50 Ω | — | — | — |
| Connector Type | — | — | — | RF MMCX CONNECTOR | — | — | — |
| Contact Finish Mating | — | — | — | NOT SPECIFIED | — | — | — |
| Contact Gender | — | — | — | MALE | — | — | — |
| Contact Material | — | — | — | NOT SPECIFIED | — | — | — |
| Contact Style | — | — | — | COAX | — | — | — |
| Coupling Type | — | — | — | SNAP | — | — | — |
| DIN Conformance | — | — | — | NO | — | — | — |
| Filter Feature | — | — | — | NO | — | — | — |
| IEC Conformance | — | — | — | NO | — | — | — |
| Insulator Material | — | — | — | POLYTETRAFLUOROETHYLENE | — | — | — |
| MIL Conformance | — | — | — | NO | — | — | — |
| Mounting Option 1 | — | — | — | LOCKING | — | — | — |
| Mounting Style | — | — | — | STRAIGHT | — | — | — |
| Mounting Type | — | — | — | BOARD | — | — | — |
| Number of Ports | — | — | — | 1 | — | — | — |
| Option | — | — | — | GENERAL PURPOSE | — | — | — |
| Panel Mount | — | — | — | NO | — | — | — |
| Shell Finish | — | — | — | GOLD | — | — | — |
| Shell Material | — | — | — | BRASS | — | — | — |
| Terminal Length | — | — | — | 0.115 inch | — | — | — |
| Termination Type | — | — | — | SOLDER | — | — | — |
| Total Number of Contacts | — | — | — | 1 | — | — | — |
| ## BDX53C Alternates Showing results | — | — | — | — | Image | — | — |
| Analog IC - Other Type | — | — | — | — | — | SWITCHING CONTROLLER | — |
| Control Mode | — | — | — | — | — | CURRENT-MODE | — |
| Control Technique | — | — | — | — | — | PULSE WIDTH MODULATION | — |
| Input Voltage-Max | — | — | — | — | — | 30 V | — |
| Input Voltage-Min | — | — | — | — | — | 8.2 V | — |
| Input Voltage-Nom | — | — | — | — | — | 15 V | — |
| Number of Functions | — | — | — | — | — | 1 | 1 |
| Package Equivalence Code | — | — | — | — | — | DIP8,.3 | — |
| Switcher Configuration | — | — | — | — | — | SINGLE | — |
| Switching Frequency-Max | — | — | — | — | — | 500 kHz | — |
| Technology | — | — | — | — | — | BIPOLAR | — |
| Temperature Grade | — | — | — | — | — | COMMERCIAL | — |
| Terminal Pitch | — | — | — | — | — | 2.54 mm | — |
| ## UC3843BN Alternates Showing results | — | — | — | — | — | Image | — |
| Construction | — | — | — | — | — | — | Rectangular |
| DC Resistance | — | — | — | — | — | — | 0.08 Ω |
| Inductance-Nom (L) | — | — | — | — | — | — | 8 µH |
| Inductor Application | — | — | — | — | — | — | RF INDUCTOR |
| Inductor Type | — | — | — | — | — | — | GENERAL PURPOSE INDUCTOR |
| Package Height | — | — | — | — | — | — | 1.2 mm |
| Package Length | — | — | — | — | — | — | 40 mm |
| Package Width | — | — | — | — | — | — | 40 mm |
| Rated Current-Max | — | — | — | — | — | — | 5 A |
| Self Resonance Frequency | — | — | — | — | — | — | 16 MHz |
| Shape/Size Description | — | — | — | — | — | — | RECTANGULAR PACKAGE |
| Shielded | — | — | — | — | — | — | NO |
| Terminal Placement | — | — | — | — | — | — | RADIAL |
| Terminal Shape | — | — | — | — | — | — | FLEXIBLE LEAD |
| Test Frequency | — | — | — | — | — | — | 0.125 MHz |
| Tolerance | — | — | — | — | — | — | 10% |
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 6 alternatives for BDX54C — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for BDX54C 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 BDX54C 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 BDX54C?
Known equivalents for BDX54C include BDX54CG, DB105, 73415-2121. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of BDX54C?
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 BDX54C 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.