Part Details for MPSA42RLRA by onsemi
Results Overview of MPSA42RLRA by onsemi
- Distributor Offerings: (0 listings)
- Number of FFF Equivalents: (10 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (10 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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Applications
Consumer Electronics
Audio and Video Systems
MPSA42RLRA Information
MPSA42RLRA by onsemi is a Small Signal Bipolar Transistor.
Small Signal Bipolar Transistors are under the broader part category of Transistors.
A transistor is a small semiconductor device used to amplify, control, or create electrical signals. When selecting a transistor, factors such as voltage, current rating, gain, and power dissipation must be considered, with common types. Read more about Transistors on our Transistors part category page.
Part Details for MPSA42RLRA
MPSA42RLRA CAD Models
MPSA42RLRA Part Data Attributes
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MPSA42RLRA
onsemi
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Datasheet
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MPSA42RLRA
onsemi
50mA, 300V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92, CASE 29-11, TO-226AA, 3 PIN
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| Rohs Code | No | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | ONSEMI | |
| Part Package Code | TO-92 | |
| Package Description | CASE 29-11, TO-226AA, 3 PIN | |
| Pin Count | 3 | |
| Manufacturer Package Code | CASE 29-11 | |
| Reach Compliance Code | not_compliant | |
| ECCN Code | EAR99 | |
| Factory Lead Time | 111 Weeks | |
| Samacsys Manufacturer | onsemi | |
| Collector Current-Max (IC) | 0.5 A | |
| Collector-Emitter Voltage-Max | 300 V | |
| Configuration | SINGLE | |
| DC Current Gain-Min (hFE) | 40 | |
| JEDEC-95 Code | TO-92 | |
| JESD-30 Code | O-PBCY-T3 | |
| JESD-609 Code | e0 | |
| Number of Elements | 1 | |
| Number of Terminals | 3 | |
| Operating Temperature-Max | 150 °C | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Shape | ROUND | |
| Package Style | CYLINDRICAL | |
| Peak Reflow Temperature (Cel) | 235 | |
| Polarity/Channel Type | NPN | |
| Power Dissipation-Max (Abs) | 0.625 W | |
| Qualification Status | Not Qualified | |
| Surface Mount | NO | |
| Terminal Finish | TIN LEAD | |
| Terminal Form | THROUGH-HOLE | |
| Terminal Position | BOTTOM | |
| Transistor Application | AMPLIFIER | |
| Transistor Element Material | SILICON | |
| Transition Frequency-Nom (fT) | 50 MHz |
Alternate Parts for MPSA42RLRA
This table gives cross-reference parts and alternative options found for MPSA42RLRA. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of MPSA42RLRA, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Manufacturer | Composite Price | Description | Compare |
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| MPSA42-5 | Motorola Semiconductor Products | Check for Price | Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon | MPSA42RLRA vs MPSA42-5 |
| MPSA42,412 | NXP Semiconductors | Check for Price | TRANSISTOR 100 mA, 300 V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92, PLASTIC, SC-43A, 3 PIN, BIP General Purpose Small Signal | MPSA42RLRA vs MPSA42,412 |
| MPSA42 | Semitronics Corp | Check for Price | Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, TO-92, 3 PIN | MPSA42RLRA vs MPSA42 |
| MPSA42 | International Devices Inc | Check for Price | Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, TO-92, 3 PIN | MPSA42RLRA vs MPSA42 |
| MPSA42 | Semiconductor Technology Inc | Check for Price | Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, NPN, Silicon, TO-226AA, TO-226AA, 3 PIN | MPSA42RLRA vs MPSA42 |
| MPSA42 | Micro Electronics Corporation | Check for Price | Small Signal Bipolar Transistor, 0.1A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, | MPSA42RLRA vs MPSA42 |
| MPSA42 | onsemi | Check for Price | NPN Bipolar Small Signal Transistor, TO-92-3, 10000-BLKBG | MPSA42RLRA vs MPSA42 |
| MPSA42AMO | NXP Semiconductors | Check for Price | TRANSISTOR 100 mA, 300 V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92, PLASTIC, SPT, SC-43, 3 PIN, BIP General Purpose Small Signal | MPSA42RLRA vs MPSA42AMO |
| MPSA42 | Vishay Semiconductors | Check for Price | Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, | MPSA42RLRA vs MPSA42 |
| MPSA42 | Central Semiconductor Corp | Check for Price | Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, PLASTIC PACKAGE-3 | MPSA42RLRA vs MPSA42 |
MPSA42RLRA Frequently Asked Questions (FAQ)
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The maximum safe operating area (SOA) for the MPSA42RLRA is not explicitly stated in the datasheet, but it can be estimated based on the device's thermal and electrical characteristics. A general rule of thumb is to limit the device's power dissipation to 1/4 of the maximum rated power to ensure reliable operation.
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Thermal management is critical for the MPSA42RLRA. Ensure good heat sinking, use a thermal interface material (TIM) if necessary, and keep the device away from heat sources. The datasheet provides thermal resistance values (RθJA and RθJC) to help with thermal design.
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A good PCB layout for the MPSA42RLRA should minimize lead inductance, provide a solid ground plane, and keep the device away from noise sources. Use a star-grounding configuration and consider using a Kelvin connection for the emitter pin to reduce parasitic inductance.
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Yes, the MPSA42RLRA can be used in switching applications, but be aware of its switching characteristics, such as turn-on and turn-off times, and ensure that the device is properly biased and driven. The datasheet provides some guidance on switching performance, but additional analysis and simulation may be necessary.
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The base resistor value depends on the specific application, but a general rule of thumb is to choose a value that limits the base current to 1/10 of the collector current. The datasheet provides some guidance on base-emitter voltage and current, which can help with resistor selection.