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Diodes Incorporated BCX5610TA
- Part No.:
- BCX5610TA
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Bipolar Transistors
- Package:
- TO-243AA
- Datasheet:
-
BCX5610TA.pdf
- Description:
- TRANS NPN 80V 1A SOT-89-3
- Quantity:
- Payment:
- Shipping:
Inventory:1,233
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Product details
Overview
BCX5610TA from Diodes Incorporated is an NPN medium-power transistor in SOT89 package, rated for 80V VCEO, 1A continuous collector current, and low 500mV VCE(sat) at 0.5A. It features epitaxial planar die construction, 150MHz fT, and is qualified for automotive applications with AEC-Q101 capability. Used in AF output stages and medium-power switching.
For engineers reviewing the BCX5610TA datasheet, BCX5610TA pinout, BCX5610TA application, or BCX5610TA equivalent, key selection criteria include VCEO = 80V, IC = 1A, thermal resistance RθJC = 39°C/W, SOT89 package footprint, and complementary PNP pairing with BCX53.
Technical Context
This transistor operates as a single-element NPN bipolar junction device optimized for linear amplification and saturated switching. Its 80V VCEO rating supports operation in 48V industrial rails and automotive 24V systems, while the 150MHz fT enables audio-frequency signal handling up to ~20kHz with stable gain.
The SOT89 package integrates an exposed collector pad thermally coupled to PCB copper, enabling RθJC = 39°C/W and RθJL = 13°C/W - critical for power dissipation management in compact layouts. hFE ranges from 25–250 across IC = 5mA to 500mA, supporting both small-signal biasing and medium-current drive.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 80 V - Enables use in 48V DC systems and automotive 24V circuits with margin against transients. |
| IC (continuous) | 1 A - Supports medium-power load switching and audio driver stages without forced cooling. |
| VCE(sat) | < 500 mV @ 0.5A - Minimizes conduction loss and self-heating in saturated-switching applications. |
| fT | 150 MHz - Ensures adequate bandwidth for audio amplification and fast-switching control signals. |
| RθJC | 39 °C/W - Allows direct thermal path from junction to PCB copper, enabling 1.5W dissipation with 25mm² 1oz copper. |
| hFE | 25–250 - Provides wide DC current gain range suitable for both low-current bias networks and high-current output stages. |
| ESD HBM | 4000 V - Meets JEDEC Class 3A robustness for handling during assembly and field operation. |
Pinout & Package
Package: SOT89 - surface-mount plastic package with exposed collector pad for thermal enhancement; 3-pin configuration; 0.055g mass; UL 94V-0 molding compound; matte tin finish leads.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 (Emitter) | E | Current sink node; connects to ground or low-side return path; requires low-impedance trace for stability. |
| Pin 2 (Base) | B | Control input; drives with 50mA peak base current for full saturation at 0.5A collector load. |
| Pin 3 (Collector) | C | Power output node; electrically and thermally connected to exposed pad; must be routed to large copper area. |
Key Features
| Feature | Design Value |
|---|---|
| Low VCE(sat) | ≤500 mV at IC = 0.5A - Reduces power loss by >30% vs. standard general-purpose transistors in switching mode. |
| AEC-Q101 qualified | Qualified for automotive applications - meets stress testing requirements for temperature cycling, HTOL, and ESD per AEC specification. |
| Exposed collector pad | Thermal resistance RθJL = 13°C/W - Enables direct heat transfer to PCB, eliminating need for heatsinks in ≤1.5W operation. |
| Green compound | Halogen- and antimony-free (<900 ppm Br/Cl, <1000 ppm Sb) - Complies with environmental directives including RoHS 3 and ELV. |
Applications
| Audio Frequency Output Stage | Automotive Lamp Driver |
|---|---|
Use Scenario: Driving 8Ω speaker loads in battery-powered portable audio amplifiers with single-supply rail. IC Role / Device Role / Timing Role: NPN medium-power switch operating in Class AB or saturated mode to deliver 0.5–1W output power. Use Value: Low VCE(sat) minimizes voltage drop and thermal rise, extending battery life and enabling compact PCB layout. | Use Scenario: Controlling 12V/24V incandescent or LED headlamp modules in automotive body control units. IC Role / Device Role / Timing Role: High-side or low-side switch interfacing microcontroller GPIO to lamp load with transient suppression. Use Value: 80V VCEO withstands load-dump transients up to 87V per ISO 7637-2, ensuring system reliability. |
| Industrial 48V DC Load Switch | DC Motor Speed Control (Small) |
Use Scenario: Switching solenoids, relays, or indicator LEDs in factory automation controllers powered from 48V PoE or industrial SMPS rails. IC Role / Device Role / Timing Role: Medium-current discrete switch replacing logic-level MOSFETs where gate drive simplicity is prioritized. Use Value: 1A IC rating and 150MHz fT support PWM frequencies up to 20kHz without gain roll-off. | Use Scenario: Regulating speed of 12V/24V brushed DC motors in medical pumps or HVAC actuators via microcontroller PWM. IC Role / Device Role / Timing Role: Linear or saturated BJT in emitter-follower or common-emitter configuration for analog/digital motor control. Use Value: Stable hFE across 5mA–500mA enables predictable base drive design and consistent torque response. |
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 |
|---|---|---|---|
| BCX56TA | Same die, identical electrical specs; differs only in reel size (1000 vs. 4000 pcs) and marking (BH vs. BK). | No functional difference; BK marking indicates 4000-piece tape-and-reel packaging per J-STD-020 Level 1 moisture sensitivity. | Select BCX56TA for smaller-volume prototyping; BCX5610TA for high-volume production requiring extended tape length. |
| MJD122G | Higher VCEO = 100V, higher IC = 3A, TO-252 package; RθJC = 3°C/W but larger footprint and higher cost. | Suitable for higher-power 48V/60V systems where thermal budget allows larger package; not pin-compatible. | Choose MJD122G only when >1A load current or >80V standoff is required; BCX5610TA offers better cost and space efficiency at 1A/80V. |
Compared with BCX56TA, BCX5610TA provides identical performance in a higher-volume tape format; versus MJD122G, it trades higher current/voltage headroom for smaller SOT89 footprint, lower cost, and simpler thermal layout - ideal for space-constrained 1A applications.
Availability
BCX5610TA is available at Aetrix Electronics and suitable for audio frequency output stages, automotive lamp drivers, and industrial 48V DC load switching requiring stable component supply and long-term manufacturability.
Supply support for BCX5610TA 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 North America.
BCX5610TA belongs to the BCX54/55/56 family of medium-power NPN transistors designed for reliable switching and amplification in automotive, industrial, and consumer equipment where AEC-Q101 qualification and thermal efficiency are essential.
FAQ
What is the maximum safe operating voltage for BCX5610TA in continuous DC applications?
The BCX5610TA has a guaranteed minimum VCEO of 80V, meaning it can safely block up to 80V between collector and emitter under continuous DC conditions at TA = +25°C. Derating applies above 25°C ambient; at 100°C case temperature, maximum usable VCEO reduces to approximately 64V per standard derating curves in DS35369 Rev. 12-2.
Is BCX5610TA pin-compatible with BCX55 or BCX54 variants?
Yes - all BCX54/55/56 variants share identical SOT89 pinout (Emitter-Base-Collector on Pins 1–2–3), same mechanical dimensions, and compatible thermal pad layout. Electrical differences (VCEO, VCBO, hFE range) require circuit validation, but PCB footprint and soldering process are fully interchangeable.
Does BCX5610TA require external base current limiting in switching applications?
Yes - the device specifies maximum continuous base current IB = 100mA and peak IBM = 200mA. For reliable saturation at IC = 1A, a base resistor must limit current to ≤100mA (e.g., 47Ω from 5V logic). Exceeding IB risks bond-wire failure and accelerated degradation.
Can BCX5610TA be used in linear amplifier configurations?
Yes - its hFE of 100–250 at IC = 150mA and fT = 150MHz support stable mid-band audio amplification. However, thermal design must account for power dissipation: at VCE = 10V and IC = 100mA, PD = 1W exceeds the 0.55W rating on minimal copper, requiring ≥25mm² 1oz copper per DS35369 Figure 2.
BCX5610TA 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):
- 80 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
BCX5610TA FAQ
1.How can I place an order for BCX5610TA through Aetrix?
Please submit a Request for Quotation (RFQ) for BCX5610TA 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 BCX5610TA reliable?
The price and inventory of BCX5610TA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BCX5610TA is usually 5 days.
3.What payment methods are accepted for BCX5610TA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BCX5610TA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BCX5610TA?
BCX5610TA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BCX5610TA 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 BCX5610TA?
For technical support, including BCX5610TA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BCX5610TA requirements.
6.How does Aetrix verify that BCX5610TA is sourced from the original manufacturer or authorized distributors?
All BCX5610TA 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 BCX5610TA meets industry standards.
7.What is the process for return or replacement of BCX5610TA?
All BCX5610TA units undergo pre-shipment inspection (PSI). If there is an issue with BCX5610TA, 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 BCX5610TA part is unused and in its original packaging.
Return procedure for BCX5610TA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BCX5610TA Tags
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