| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| BC490AZL1G | onsemi | Check for Price | Small Signal Bipolar Transistor, 1A I(C), 80V V(BR)CEO, 1-Element, PNP, Silicon, TO-226AA | BC490A vs BC490AZL1G |
| BC490A | Continental Device India Ltd | Check for Price | Small Signal Bipolar Transistor, 1A I(C), 80V V(BR)CEO, 1-Element, PNP, Silicon, TO-92 | BC490A vs BC490A |
| BC490AG | onsemi | Check for Price | Small Signal Bipolar Transistor, 1A I(C), 80V V(BR)CEO, 1-Element, PNP, Silicon, TO-226AA | BC490A vs BC490AG |
| BC490AZL1 | onsemi | Check for Price | Small Signal Bipolar Transistor, 1A I(C), 80V V(BR)CEO, 1-Element, PNP, Silicon, TO-226AA | BC490A vs BC490AZL1 |
Part Details for BC490A by onsemi
Results Overview of BC490A by onsemi
- Distributor Offerings: (3 listings)
- Number of FFF Equivalents: (4 replacements)
- Tariff Estimator: (Not Available)
- Number of Functional Equivalents: (10 options)
- CAD Models: (Request Part)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
Applications
Consumer Electronics
Audio and Video Systems
BC490A Information
BC490A 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.
Price & Stock for BC490A
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
|
DISTI #
BC490A-ND
|
DigiKey | TRANS PNP 80V 1A TO92 Min Qty: 15000 Container: Bulk |
0 Bulk |
|
$0.1250 | Buy Now |
|
|
ComSIT USA | PNP SILICON HIGH CURRENT TRANSISTOR Small Signal Bipolar Transistor, 1A I(C), 80V V(BR)CEO, 1-Element, PNP, Silicon, TO-226AA ECCN: EAR99 RoHS: Not Compliant |
|
|
RFQ | |
|
|
Chip Stock | 500 Ma 80 V PNP Si Small Signal Transistor TO-92 | 48000 |
|
RFQ |
BC490A Part Data Attributes
|
|
BC490A
onsemi
Buy Now
Datasheet
|
Compare Parts:
BC490A
onsemi
Small Signal Bipolar Transistor, 1A I(C), 80V V(BR)CEO, 1-Element, PNP, Silicon, TO-226AA
|
| Part Life Cycle Code | Obsolete | |
| Part Package Code | TO-92 | |
| Package Description | Case 29-11, To-92, To-226, 3 Pin | |
| Pin Count | 3 | |
| Manufacturer Package Code | CASE 29-11 | |
| ECCN Code | EAR99 | |
| Collector Current-Max (IC) | 1 A | |
| Collector-Emitter Voltage-Max | 80 V | |
| Configuration | Single | |
| DC Current Gain-Min (hFE) | 100 | |
| JEDEC-95 Code | TO-226AA | |
| 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 | Pnp | |
| 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 | Switching | |
| Transistor Element Material | Silicon | |
| Transition Frequency-Nom (fT) | 150 Mhz |
Alternate Parts for BC490A
This table gives cross-reference parts and alternative options found for BC490A. 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 BC490A, 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.
BC490A Frequently Asked Questions (FAQ)
-
The maximum safe operating area (SOA) for the BC490A is not explicitly stated in the datasheet. However, it's recommended to follow the general guidelines for SOA calculations provided in the onsemi application note AND8039/D.
-
To ensure linear operation, the BC490A should be biased in the active region, typically between 1/3 to 2/3 of the supply voltage (Vcc). The base-emitter voltage (Vbe) should be around 0.65-0.7V, and the collector-emitter voltage (Vce) should be at least 1V. Additionally, the base current should be limited to prevent saturation.
-
For optimal performance and thermal management, it's recommended to use a PCB layout that minimizes thermal resistance and provides adequate heat dissipation. This includes using a copper pour or thermal pad under the transistor, keeping the transistor away from other heat sources, and using thermal vias to dissipate heat to the opposite side of the board.
-
Yes, the BC490A can be used as a switch, but it's essential to consider the switching frequency, collector-emitter saturation voltage (Vce(sat)), and the base-emitter voltage (Vbe) to ensure proper operation. The transistor should be driven with a sufficient base current to minimize Vce(sat) and reduce power losses.
-
To protect the BC490A from ESD, it's recommended to follow proper handling and storage procedures, such as using anti-static wrist straps, mats, and bags. Additionally, consider adding ESD protection devices, such as TVS diodes or ESD protection arrays, to the circuit design.