Part Details for BAS21 by Vishay Semiconductors
Results Overview of BAS21 by Vishay Semiconductors
- Distributor Offerings: (3 listings)
- Number of FFF Equivalents: (8 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (10 options)
- Part Data Attributes: (Available)
- Reference Designs: (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
Education and Research
Space Technology
Internet of Things (IoT)
Computing and Data Storage
Aerospace and Defense
Healthcare
Telecommunications
Automotive
BAS21 Information
BAS21 by Vishay Semiconductors is a Rectifier Diode.
Rectifier Diodes are under the broader part category of Diodes.
A diode is a electrical part that can control the direction in which the current flows in a device. Consider factors like voltage drop, current capacity, reverse voltage, and operating frequency when selecting a diode. Read more about Diodes on our Diodes part category page.
Price & Stock for BAS21
| Part # | Distributor | Description | Stock | Price | Buy | |
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Bristol Electronics | 17500 |
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RFQ | ||
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Quest Components | 0.2 A, 250 V, SILICON, SIGNAL DIODE, TO-236AB | 14000 |
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$0.0228 / $0.1140 | Buy Now |
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Quest Components | 0.2 A, 250 V, SILICON, SIGNAL DIODE, TO-236AB | 20 |
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$0.0450 | Buy Now |
Part Details for BAS21
BAS21 CAD Models
BAS21 Part Data Attributes
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BAS21
Vishay Semiconductors
Buy Now
Datasheet
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BAS21
Vishay Semiconductors
Rectifier Diode, 1 Element, 0.2A, 250V V(RRM), Silicon, TO-236AB, PLASTIC, SOT-23, 3 PIN
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| Pbfree Code | Yes | |
| Rohs Code | No | |
| Part Life Cycle Code | Transferred | |
| Ihs Manufacturer | GENERAL SEMICONDUCTOR INC | |
| Part Package Code | SOT-23 | |
| Package Description | PLASTIC, SOT-23, 3 PIN | |
| Pin Count | 3 | |
| Reach Compliance Code | unknown | |
| ECCN Code | EAR99 | |
| HTS Code | 8541.10.00.70 | |
| Additional Feature | FAST SWITCHING | |
| Configuration | SINGLE | |
| Diode Element Material | SILICON | |
| Diode Type | RECTIFIER DIODE | |
| Forward Voltage-Max (VF) | 1 V | |
| JEDEC-95 Code | TO-236AB | |
| JESD-30 Code | R-PDSO-G3 | |
| JESD-609 Code | e0 | |
| Number of Elements | 1 | |
| Number of Phases | 1 | |
| Number of Terminals | 3 | |
| Operating Temperature-Max | 175 °C | |
| Output Current-Max | 0.2 A | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE | |
| Power Dissipation-Max | 0.25 W | |
| Qualification Status | Not Qualified | |
| Rep Pk Reverse Voltage-Max | 250 V | |
| Reverse Recovery Time-Max | 0.05 µs | |
| Surface Mount | YES | |
| Terminal Finish | Tin/Lead (Sn/Pb) | |
| Terminal Form | GULL WING | |
| Terminal Position | DUAL |
Alternate Parts for BAS21
This table gives cross-reference parts and alternative options found for BAS21. 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 BAS21, 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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| BAS21_D87Z | Fairchild Semiconductor Corporation | Check for Price | Rectifier Diode, 1 Element, 0.2A, 200V V(RRM), Silicon, LEAD FREE PACKAGE-3 | BAS21 vs BAS21_D87Z |
| BAS21A | Promax-Johnton Electronic Corporation | Check for Price | Rectifier Diode, 2 Element, 0.2A, 250V V(RRM), Silicon, PLASTIC PACKAGE-3 | BAS21 vs BAS21A |
| BAS21TRL13 | YAGEO Corporation | Check for Price | Rectifier Diode, 1 Element, 0.2A, Silicon | BAS21 vs BAS21TRL13 |
| SBAS21LT1 | onsemi | Check for Price | 0.2A, 250V, SILICON, SIGNAL DIODE, TO-236AB, CASE 318-08, TO-236, 3 PIN | BAS21 vs SBAS21LT1 |
| BAS21E6327 | Siemens | Check for Price | Rectifier Diode, 1 Element, Silicon | BAS21 vs BAS21E6327 |
| BAS21 | Micro Commercial Components | Check for Price | Rectifier Diode, Schottky, 1 Element, 0.2A, 250V V(RRM), Silicon, SOT-23, 3 PIN | BAS21 vs BAS21 |
| CMPD2003TRPBFREE | Central Semiconductor Corp | Check for Price | Rectifier Diode, 1 Element, 0.25A, 250V V(RRM), | BAS21 vs CMPD2003TRPBFREE |
| BAS21TRL | YAGEO Corporation | Check for Price | Rectifier Diode, 1 Element, 0.2A, Silicon | BAS21 vs BAS21TRL |
Resources and Additional Insights for BAS21
Reference Designs related to BAS21
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5W Adapter Reference Design
This is a 15W 5.0V / 3.0A USB adapter reference design using Infineon Quasi-Resonant PWM IC ICE2QS03G, CoolMOS™ IPL65R1K5C6S (ThinPAK 5x6), OptiMOS™ BSC067N06LS3G and high Speed Switching Diode BAS21-03W in a slim plug form factor with various mode of protections for a high reliable system.
BAS21 Frequently Asked Questions (FAQ)
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The recommended mounting pad layout for the BAS21 is a rectangular pad with a minimum size of 1.5 mm x 2.5 mm, with a 0.5 mm x 0.5 mm thermal relief pad in the center.
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Yes, the BAS21 can be used in switching power supplies, but it's essential to ensure that the diode is properly snubbed to prevent voltage spikes and ringing. A snubber circuit can be added to reduce electromagnetic interference (EMI) and ensure reliable operation.
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When designing with the BAS21, it's crucial to consider the high surge current rating (up to 150 A) and ensure that the PCB layout and surrounding components can handle the resulting thermal and electrical stresses. This may involve using thicker traces, larger pads, and heat sinks to dissipate heat.
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The BAS21 is designed for high-frequency switching applications, but its behavior under these conditions may not be immediately apparent from the datasheet. In general, the diode's switching characteristics, such as its reverse recovery time (trr) and forward voltage drop (Vf), will affect the overall performance of the circuit. It's essential to consider these factors when designing high-frequency switching circuits.
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The BAS21 has a maximum operating temperature of 150°C, but it's essential to consider the derating of the diode's characteristics at higher temperatures. The diode's voltage and current ratings may need to be reduced at higher temperatures to ensure reliable operation.