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Diodes Incorporated BCX5510TA
- Part No.:
- BCX5510TA
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Bipolar Transistors
- Package:
- TO-243AA
- Datasheet:
-
BCX5510TA.pdf
- Description:
- TRANS NPN 60V 1A SOT-89-3
- Quantity:
- Payment:
- Shipping:
Inventory:1,836
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Product details
Overview
BCX5510TA from Diodes Incorporated is an NPN medium-power transistor in SOT89 package, rated for 60V VCEO, 1A continuous collector current, and <500mV VCE(sat) at 500mA/50mA drive-designed for AF driver stages and medium-power switching in industrial power supplies and motor control circuits.
For engineers reviewing the BCX5510TA datasheet, BCX5510TA pinout, BCX5510TA application, or BCX5510TA equivalent, this page delivers verified electrical parameters, thermal derating behavior, SOT89 terminal mapping, and validated alternatives for discrete BJT replacement in linear and switching designs requiring stable hFE > 40 at 150mA and fT = 150MHz.
Technical Context
This device uses epitaxial planar die construction to achieve low saturation voltage and consistent DC current gain across temperature. Its VCEO = 60V and IC = 1A rating support operation in 24–48V industrial rails with pulsed ICM = 2A capability for transient load handling.
Thermal performance is defined by RθJC = 39°C/W and RθJL = 13°C/W, enabling reliable power dissipation up to 1.5W on 15mm×15mm 1oz copper-critical for compact amplifier heatsinking and thermally constrained PCB layouts.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 60 V - Maximum safe collector-emitter voltage before breakdown in common-emitter configuration. |
| IC (continuous) | 1 A - Continuous collector current capacity under steady-state thermal conditions on standard PCB layout. |
| VCE(sat) | < 0.5 V @ IC = 500 mA, IB = 50 mA - Ensures minimal conduction loss in switching applications. |
| hFE | 40–250 - DC current gain range supports predictable base drive sizing across operating currents from 5mA to 500mA. |
| fT | 150 MHz - Gain-bandwidth product enables use in audio-frequency amplification and fast-switching control loops. |
| RθJL | 13 °C/W - Low junction-to-lead thermal resistance allows direct heat transfer to PCB copper via exposed collector pad. |
Pinout & Package
Package: SOT89 - Surface-mount plastic package with exposed collector pad for enhanced thermal conduction; 0.055g mass; UL 94V-0 rated molding compound; matte tin finish leads.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 (Emitter) | E | Current return path; connected to ground or low-side reference in common-emitter configurations. |
| Pin 2 (Base) | B | Control input; requires ~100mA max continuous drive for full saturation at 1A collector load. |
| Pin 3 (Collector) | C | High-current output node; electrically and thermally tied to exposed metal pad on underside of package. |
Key Features
| Feature | Design Value |
|---|---|
| Low VCE(sat) | <500mV at 500mA ensures ≤0.25W conduction loss, reducing thermal stress in linear regulators and driver stages. |
| Epitaxial planar die | Delivers tight parameter distribution and stable hFE over temperature-critical for production consistency in amplifier bias networks. |
| SOT89 thermal design | Exposed collector pad enables RθJL = 13°C/W, allowing 1.5W dissipation on 15mm×15mm copper without external heatsink. |
| AEC-Q101 readiness | Manufactured in IATF 16949 certified facilities; supports automotive qualification paths for engine control and body electronics. |
Applications
| Audio Power Amplifier Driver | Industrial DC Motor Control |
|---|---|
|
Use Scenario: Driving complementary output transistors in Class AB audio amplifier front-end stages. IC Role / Device Role / Timing Role: Medium-power NPN switch providing current gain and voltage swing to push-pull output pair. Use Value: VCEO = 60V and fT = 150MHz support clean 20kHz–200kHz signal amplification with minimal distortion. |
Use Scenario: Controlling 24V brushed DC motors in factory automation actuators and HVAC dampers. IC Role / Device Role / Timing Role: High-current switching element in half-bridge or emitter-follower configuration. Use Value: IC = 1A continuous + ICM = 2A pulse handles motor stall currents and PWM inductive kickback reliably. |
| Linear Voltage Regulator Pass Element | Power Supply Enable Switch |
|
Use Scenario: Acting as series pass transistor in adjustable 5–24V linear regulators for analog sensor subsystems. IC Role / Device Role / Timing Role: Linear-mode current amplifier regulating output voltage via feedback-controlled base bias. Use Value: Low VCE(sat) minimizes dropout voltage; hFE stability ensures consistent regulation across load and temperature. |
Use Scenario: Enabling/disabling auxiliary 12V rail in programmable logic controllers during standby mode. IC Role / Device Role / Timing Role: High-side or low-side enable switch controlling power delivery to peripheral modules. Use Value: Fast turn-on/off (enabled by high fT) and robust ESD rating (HBM 4000V) prevent false triggering in noisy industrial environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NPN medium-power transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ZTX653 | VCEO = 60V, IC = 1A, but hFE min = 100 @ 150mA - higher gain, lower fT (100MHz). | Preferred where tighter gain tolerance is needed, but less suitable for >100kHz switching due to reduced bandwidth. | Select ZTX653 when gain consistency dominates over RF performance; verify base drive margin at 1A. |
| MJD127 | VCEO = 100V, IC = 2A, TO-252 package - higher voltage/current, larger footprint, RθJA = 60°C/W. | Used in higher-voltage industrial SMPS primary-side drivers where SOT89 thermal limits are exceeded. | Choose MJD127 only if VCEO > 80V or PD > 2W is required; re-evaluate PCB thermal layout and mounting. |
Compared with ZTX653 and MJD127, BCX5510TA offers optimal balance of 60V rating, 1A capability, 150MHz fT, and SOT89 thermal efficiency-making it ideal for space-constrained, mid-frequency switching and amplification where gain-bandwidth and thermal density are jointly critical.
Availability
BCX5510TA is available at Aetrix Electronics and suitable for audio amplifier drivers, industrial DC motor control, and linear voltage regulator pass elements requiring stable component supply, RoHS-compliant packaging, and traceable sourcing.
Supply support for BCX5510TA includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and the Americas.
The BCX54/55/56 series belongs to Diodes' general-purpose bipolar transistor product line, engineered for cost-effective, thermally efficient medium-power switching and amplification in industrial, automotive, and consumer equipment.
FAQ
What is the maximum continuous power dissipation for BCX5510TA on a standard PCB?
On a 15mm × 15mm 1oz copper area, BCX5510TA achieves 1.5W continuous power dissipation (PD), corresponding to its RθJA = 125°C/W rating. This assumes still-air conditions and proper soldering of the exposed collector pad to the copper pour. Derating begins above +25°C ambient per the published curve.
Is BCX5510TA pin-compatible with BCX54TA or BCX56TA?
Yes-BCX54TA, BCX5510TA, and BCX56TA share identical SOT89 pinout (E-B-C) and mechanical footprint. However, they differ in absolute maximum ratings: BCX54TA has VCEO = 45V, BCX5510TA = 60V, BCX56TA = 80V. Substitution requires verification of voltage margin in the target circuit.
Does BCX5510TA meet automotive qualification standards?
BCX5510TA is manufactured in IATF 16949-certified facilities and supports AEC-Q101 qualification upon request. While not pre-qualified, its process controls, traceability, and test coverage align with automotive change-control requirements-contact Diodes or Aetrix for PPAP documentation and qualification timelines.
What is the typical hFE at 500mA collector current?
Per DS35369 Rev. 12–2, hFE is specified as minimum 25 at IC = 500mA, VCE = 2V. Typical curves show hFE ≈ 60–90 in this region, confirming usable gain for base-driven switching even near maximum current.
BCX5510TA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- TO-243AA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- NPN
- Current - Collector (Ic) (Max):
- 1 A
- Voltage - Collector Emitter Breakdown (Max):
- 60 V
- Vce Saturation (Max) @ Ib, Ic:
- 500mV @ 50mA, 500mA
- Current - Collector Cutoff (Max):
- 100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 63 @ 150mA, 2V
- Power - Max:
- 1 W
- Frequency - Transition:
- 150MHz
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-89-3
BCX5510TA FAQ
1.How can I place an order for BCX5510TA through Aetrix?
Please submit a Request for Quotation (RFQ) for BCX5510TA on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for BCX5510TA reliable?
The price and inventory of BCX5510TA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BCX5510TA is usually 5 days.
3.What payment methods are accepted for BCX5510TA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BCX5510TA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BCX5510TA?
BCX5510TA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BCX5510TA order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for BCX5510TA?
For technical support, including BCX5510TA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BCX5510TA requirements.
6.How does Aetrix verify that BCX5510TA is sourced from the original manufacturer or authorized distributors?
All BCX5510TA products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that BCX5510TA meets industry standards.
7.What is the process for return or replacement of BCX5510TA?
All BCX5510TA units undergo pre-shipment inspection (PSI). If there is an issue with BCX5510TA, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The BCX5510TA part is unused and in its original packaging.
Return procedure for BCX5510TA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BCX5510TA Tags
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