SS8550DBU
Bipolar Transistors - BJT TO92 PNP 2W BULKSS8550DBU
Bipolar Transistors - BJT TO92 PNP 2W BULK
-
Manufacturer Part # : SS8550DBU
-
Package/Case: TO92-3
-
Part Status : ACTIVE
-
Brand: Onsemi
-
Product Categories : Single Bipolar Transistors
-
Series : SS8550
-
RoHS:
Quality Assurance
Quality Assurance
All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.






Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.








About Payment
We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.
If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.

WireTransfer

Paypal

CreditCard

WesternUnion

MoneyGram
Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

Example

Tape and Reel

Cut Tape

Tube or Tray
SS8550DBU DataSheet
Pricing (USD)
Quantity | Unit Price | Ext. Price |
---|---|---|
5 | $0.109 | $0.54 |
50 | $0.089 | $4.45 |
150 | $0.079 | $11.85 |
1000 | $0.065 | $65.00 |
2000 | $0.058 | $116.00 |
5000 | $0.055 | $275.00 |
These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.
Interested Parts
SS8550DBU Details
The SS8550DBU is a general-purpose NPN transistor designed for use in various electronic applications, including switching and amplification. This compact device features a high current gain and fast switching capability, making it suitable for a wide range of electronic circuits. Its versatile performance, combined with a low saturation voltage, allows for low-power consumption in sophisticated designs.
Pinout
- 1 (C): Collector
- 2 (B): Base
- 3 (E): Emitter
(Tip: For detailed pinout information, please refer to the corresponding datasheet.)
Key Features
- High Current Gain: Provides excellent amplification with a high β (beta) value.
- Fast Switching Speed: Suitable for high-speed switching applications.
- Low Saturation Voltage: Ensures efficient performance with minimal power loss.
- Compact Package: Designed in a small footprint for space-constrained applications.
- Wide Range of Applications: Ideal for use in switching regulators, amplifiers, and signal processing.
Application
- Signal Amplification: Used in various amplification circuits for audio and other signals.
- Switching Regulator: Utilized in power management circuits for efficient switching.
- LED Drivers: Effective in driving LED applications with precise control.
Where to Use
The SS8550DBU is suited for applications requiring reliable switching and amplification, such as audio electronics, power management, and general-purpose signal processing within consumer and industrial electronic devices.
How to Use
To use the SS8550DBU, connect the emitter (E) to the ground, the collector (C) to the load, and the base (B) to the appropriate control voltage through a resistor to limit the base current. Ensure that the transistor is activated in the desired operation region for optimal performance. For detailed usage instructions, refer to the datasheet.
Application Circuit
The application circuit diagram for the SS8550DBU illustrates the connections for a typical switching application, detailing how to interface the transistor with the load and the control signal for proper operation and efficiency.
(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)
Equivalents
- 2N3904: A similar NPN transistor with equivalent specifications suitable for general-purpose use.
- BC547: An alternative NPN transistor that offers similar performance characteristics.
Complementary
The SS8550DBU can be complemented by the SS8550PF, which offers enhanced features and suitability for specific applications where higher switching performance is required.
When selecting complementary transistors, ensure their specifications align with your application requirements for optimal compatibility and performance.
Frequently Asked Questions
Q: What is the maximum collector current for the SS8550DBU?
A: The SS8550DBU supports a maximum collector current of approximately 1.5A. For precise limits, refer to the datasheet.
Q: Can the SS8550DBU be used in high-frequency applications?
A: Yes, while it is designed for general-purpose use, the SS8550DBU can operate effectively in moderate high-frequency applications; however, for very high frequencies, consider other specialized transistors.

Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Status | Active | Compliance | PbAHP |
Package Type | TO-92-3 | Case Outline | 135AN |
MSL Type | NA | MSL Temp (°C) | 0 |
Container Type | BLKBG | Container Qty. | 10000 |
ON Target | Y | Polarity | NPN |
Type | General Purpose | VCE(sat) Max (V) | 0.5 |
IC Cont. (A) | 1.5 | VCEO Min (V) | 25 |
VCBO (V) | 40 | VEBO (V) | 6 |
VBE(sat) (V) | 1.2 | VBE(on) (V) | 1 |
hFE Min | 160 | hFE Max | 300 |
fT Min (MHz) | 100 | PTM Max (W) | 1 |
Pricing ($/Unit) | $0.0521Sample |
FAQs
What is SS8550DBU?
The SS8550DBU is a PNP epitaxial silicon transistor commonly used in switching and amplification circuits. It is designed for general-purpose applications where moderate power handling and low voltage operation are required.
How Does SS8550DBU Work?
The SS8550DBU operates as a PNP transistor, conducting current when a sufficient positive voltage is applied to its base relative to its emitter. It can be used for signal amplification, switching, and linear voltage regulation in various electronic circuits.
How Many Pins does SS8550DBU have and What are the Functions of the Pinout Configuration?
The SS8550DBU typically comes in a SOT-89 package with three pins. The pinout configuration includes:
- E (Emitter): The terminal through which current flows out of the transistor.
- B (Base): The control terminal that determines the transistor's conductivity.
- C (Collector): The terminal that collects the current flowing through the transistor.
What are the Pros and Cons of SS8550DBU?
Pros:
- Low Voltage Operation: Suitable for low-voltage applications.
- High Current Gain: Offers high current gain, making it suitable for amplification purposes.
- Compact Package: The SOT-89 package is space-efficient for board layout.
- Cost-Effective: Generally available at a low cost for basic circuit needs.
Cons:
- Power Limitation: Not suitable for high-power applications.
- Temperature Sensitivity: Performance may vary with temperature changes.
- Less Common Package: SOT-89 may not be as widely compatible as other transistor packages.
Are There Any Equivalents/Alternatives to SS8550DBU for Recommendation?
- Alternatives to the SS8550DBU include the BC557 from ON Semiconductor and the 2N3906 from Fairchild Semiconductor as PNP transistor options.
- Equivalents to the SS8550DBU may include the MMBT8550 from Diodes Incorporated.
Recommend Parts
-
3,675 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
SSS10N60A: A 1-Element N-Channel Power FET with specifications including 5
Brand: Fairchild Semiconductor Package/Case: TO-220
3,612 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
P-Channel Silicon MOSFET with 3.2A current rating, 12V voltage, and 0.13ohm resistance, packaged in SOIC-8
Brand: Samsung Electro-Mechanics Package/Case: SOIC-8
6,988 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
3,203 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
SSP2N60A
$0.134 2A, 600V, 5ohm N-CHANNEL Silicon POWER MOSFET SSP2N60A TO-220AB TO-220 3 PIN
Brand: Fairchild Semiconductor Package/Case: TO-220
4,276 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
High power N-Channel MOSFET with low on-state resistance of 0.065ohm
Brand: Fairchild Semiconductor Package/Case: TO220-3
3,751 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
Power Field-Effect Transistor, 6A I(D), 600V, 1.8ohm, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, TO-220AB, TO-220, 3 PIN
Brand: Fairchild Semiconductor Package/Case: TO-220
3,249 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
5,224 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
5,481 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
Price details
Prices listed do not include VAT.
Quantity | Unit Price |
---|