Part Details for BFY51 by Continental Device India Ltd
Results Overview of BFY51 by Continental Device India Ltd
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (9 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (10 options)
- 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.
BFY51 Information
BFY51 by Continental Device India Ltd 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 BFY51
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
BFY51-CDI
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TME | Transistor: NPN, bipolar, 30V, 1A, 0.8/5W, TO39 Min Qty: 1 | 1946 |
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$0.2960 / $0.8850 | Buy Now |
Part Details for BFY51
BFY51 CAD Models
BFY51 Part Data Attributes
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BFY51
Continental Device India Ltd
Buy Now
Datasheet
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BFY51
Continental Device India Ltd
Small Signal Bipolar Transistor, 1A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-39
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| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | CONTINENTAL DEVICE INDIA LTD | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| Collector Current-Max (IC) | 1 A | |
| Collector-Base Capacitance-Max | 12 pF | |
| Collector-Emitter Voltage-Max | 30 V | |
| Configuration | SINGLE | |
| DC Current Gain-Min (hFE) | 15 | |
| JEDEC-95 Code | TO-39 | |
| JESD-30 Code | O-MBCY-W3 | |
| Number of Elements | 1 | |
| Number of Terminals | 3 | |
| Operating Temperature-Max | 175 °C | |
| Package Body Material | METAL | |
| Package Shape | ROUND | |
| Package Style | CYLINDRICAL | |
| Polarity/Channel Type | NPN | |
| Power Dissipation-Max (Abs) | 0.8 W | |
| Qualification Status | Not Qualified | |
| Surface Mount | NO | |
| Terminal Form | WIRE | |
| Terminal Position | BOTTOM | |
| Transistor Element Material | SILICON | |
| Transition Frequency-Nom (fT) | 50 MHz | |
| VCEsat-Max | 1 V |
Alternate Parts for BFY51
This table gives cross-reference parts and alternative options found for BFY51. 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 BFY51, 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 |
|---|---|---|---|---|
| BFY51.MODE1 | TT Electronics Power and Hybrid / Semelab Limited | Check for Price | 1000mA, 30V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-205AD, HERMETIC SEALED, METAL, TO-39, 3 PIN | BFY51 vs BFY51.MODE1 |
| BFY51 | Crimson Semiconductor Inc | Check for Price | Small Signal Bipolar Transistor, 1A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-39, | BFY51 vs BFY51 |
| BFY51 | Zetex / Diodes Inc | Check for Price | Small Signal Bipolar Transistor, 1A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-39 | BFY51 vs BFY51 |
| BFY51 | Central Semiconductor Corp | Check for Price | Small Signal Bipolar Transistor, 1A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-39, TO-39, 3 PIN | BFY51 vs BFY51 |
| BFY51.MOD | TT Electronics Resistors | Check for Price | Small Signal Bipolar Transistor, 1A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-205AD, HERMETIC SEALED, METAL, TO-39, 3 PIN | BFY51 vs BFY51.MOD |
| BFY51 | Micro Electronics Ltd | Check for Price | Small Signal Bipolar Transistor, 1A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-39, TO-39, 3 PIN | BFY51 vs BFY51 |
| BFY51E1 | TT Electronics Resistors | Check for Price | Small Signal Bipolar Transistor, 1A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-205AD, HERMETIC SEALED, METAL, TO-39, 3 PIN | BFY51 vs BFY51E1 |
| BFY51.MODE1 | TT Electronics Resistors | Check for Price | Small Signal Bipolar Transistor, 1A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-205AD, HERMETIC SEALED, METAL, TO-39, 3 PIN | BFY51 vs BFY51.MODE1 |
| BFY51 | STMicroelectronics | Check for Price | 1000mA, 30V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-39 | BFY51 vs BFY51 |
BFY51 Frequently Asked Questions (FAQ)
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The maximum safe operating area (SOA) for the BFY51 is not explicitly stated in the datasheet, but it can be estimated based on the device's thermal resistance, maximum junction temperature, and voltage ratings. As a general guideline, the SOA is typically limited by the device's thermal limitations, and it's recommended to operate the device within the specified thermal boundaries to ensure reliability.
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To ensure the BFY51 is properly biased for optimal performance, follow the recommended biasing conditions outlined in the datasheet, including the base-emitter voltage (VBE) and collector-emitter voltage (VCE). Additionally, consider the device's current gain (hFE) and ensure the base current is sufficient to maintain the desired collector current. It's also important to consider the device's thermal limitations and ensure proper heat sinking to prevent overheating.
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The recommended storage and handling procedure for the BFY51 includes storing the devices in their original packaging or in a dry, cool place away from direct sunlight and moisture. Avoid touching the device's leads or body to prevent electrostatic discharge (ESD) damage. When handling the device, use an anti-static wrist strap or mat to prevent ESD damage. Follow proper soldering and assembly techniques to prevent mechanical stress and damage to the device.
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Yes, the BFY51 can be used in switching applications, but it's essential to consider the device's switching characteristics, including its transition frequency, rise and fall times, and storage time. The BFY51 has a relatively high transition frequency, making it suitable for low-to-medium frequency switching applications. However, it's crucial to ensure the device is properly biased and driven to prevent overheating and ensure reliable operation.
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To troubleshoot common issues with the BFY51, such as low gain or high leakage current, start by verifying the device's biasing conditions and ensuring proper connections. Check for signs of overheating, such as excessive temperature rise or thermal runaway. Verify the device's operating conditions, including voltage and current ratings, and ensure the device is not operated outside its specified limits. If the issue persists, consider replacing the device or consulting the manufacturer's application notes and technical support resources.