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Nexperia USA Inc. BCX53-16TF
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- Part No.:
- BCX53-16TF
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Bipolar Transistors
- Package:
- TO-243AA
- Datasheet:
-
BCX53-16TF.pdf
- Description:
- TRANS PNP 80V 1A SOT-89
- Quantity:
- Payment:
- Shipping:
Inventory:9,262
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Product details
Overview
BCX53-16TF from Nexperia is a PNP bipolar power transistor in SOT89 (SC-62) package, rated for −80 V VCEO, −1 A continuous collector current, and 1100 mW power dissipation with 6 cm² copper pad. It delivers hFE = 100–250 at VCE = −2 V and IC = −150 mA, and is AEC-Q101 qualified for automotive-grade reliability. It serves as a high-side switch or MOSFET driver in linear voltage regulators and power management circuits.
For engineers reviewing the BCX53-16TF datasheet, BCX53-16TF pinout, BCX53-16TF application, or BCX53-16TF equivalent, this page provides verified electrical parameters, thermal derating behavior, junction-to-ambient resistance under three PCB mounting conditions, and validated alternatives for PNP switching and amplification roles in industrial and automotive systems.
Technical Context
This device operates as a medium-power PNP bipolar junction transistor with fixed-emitter configuration and base-controlled conduction. Its −80 V VCEO rating supports operation in 48 V and 24 V automotive supply rails, while its pulsed ICM = −2 A enables short-duration load switching without thermal runaway.
The hFE binning (100–250) ensures predictable DC gain across production lots at IC = −150 mA, and its fT = 140 MHz allows stable operation up to low-MHz switching frequencies when used in Class-A amplifiers or gate-drive buffers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | −80 V - Supports safe operation in 48 V automotive systems with ≥2× voltage margin against transients. |
| IC | −1 A continuous - Enables direct driving of 1 A loads such as relay coils or LED strings without external buffering. |
| hFE | 100–250 @ VCE = −2 V, IC = −150 mA - Ensures stable base-current design for predictable saturation in switching applications. |
| Ptot | 1100 mW @ Tamb ≤ 25 °C with 6 cm² collector pad - Requires dedicated copper pour for full-rated power handling in PCB layout. |
| Rth(j-a) | 114 K/W (6 cm² pad) - Thermal resistance drops by 55% vs. standard footprint, enabling higher sustained current in thermally constrained designs. |
| fT | 140 MHz - Sufficient for gate-driving MOSFETs in DC-DC converters operating below 500 kHz with minimal phase lag. |
| VCE(sat) | −500 mV @ IC = −500 mA, IB = −50 mA - Low saturation voltage reduces conduction loss and self-heating during active switching. |
Pinout & Package
SOT89 (SC-62) plastic surface-mount package: 3-pin, 1.5 mm pitch, 4.5 mm × 2.5 mm × 1.5 mm body height, with exposed collector tab for thermal conduction.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Emitter | Current exit node; tied to system ground or negative rail in high-side configurations. |
| 2 | Collector | Main power output terminal; electrically and thermally connected to PCB copper pour for heat dissipation. |
| 3 | Base | Control input; requires current-limited drive (e.g., 5–10 kΩ series resistor) to avoid overdrive and ensure clean turn-off. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive temperature range (−40 °C to +150 °C) and mechanical stress, enabling use in engine control and body electronics. |
| Three hFE bins | BCX53-16T offers highest gain (100–250), reducing required base drive current and simplifying driver-stage design. |
| High Ptot with thermal pad | 1100 mW rating achievable only with 6 cm² collector copper area-guides PCB layout for thermal reliability. |
| Low VCE(sat) | −500 mV at IC/IB = 10 enables <1 W conduction loss at 1 A, critical for efficiency in linear regulators. |
Applications
| Linear Voltage Regulators | MOSFET Drivers |
|---|---|
|
Use Scenario: Pass transistor in adjustable positive LDOs delivering up to 1 A at 5–12 V output. IC Role / Device Role / Timing Role: PNP pass element controlling output voltage via emitter-follower configuration with feedback to base. Use Value: Low VCE(sat) minimizes dropout voltage; high hFE reduces base drive burden on error amplifier. |
Use Scenario: Level-shifting and current-boosting stage for N-channel MOSFET gates in high-side switch circuits. IC Role / Device Role / Timing Role: Active pull-down transistor that rapidly discharges gate capacitance during turn-off. Use Value: 140 MHz fT ensures fast gate discharge; −2 A ICM handles transient gate charge demands without saturation. |
| High-Side Switches | Power Management |
|
Use Scenario: Load switch controlling 24 V/1 A industrial sensors or actuators from microcontroller GPIO. IC Role / Device Role / Timing Role: High-side PNP switch with base driven through current-limiting resistor and optional pull-up. Use Value: −80 V VCEO provides headroom for load-dump transients; AEC-Q101 rating supports harsh environment deployment. |
Use Scenario: Current-sense amplifier front-end or bias generator in multi-rail PMIC subsystems. IC Role / Device Role / Timing Role: Precision current mirror or active load in analog power control blocks. Use Value: Tight hFE binning (100–250) improves matching accuracy; low leakage (<10 nA ICBO) maintains stability at elevated temperatures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar PNP power switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BCX53-10TF | hFE = 63–160 (lower gain bin); identical VCEO, IC, package, and thermal specs. | Requires higher base drive current; less suitable for low-IB microcontroller outputs. | Select when gain tolerance >160 is unnecessary and cost optimization is prioritized. |
| ZTX753 | TO-92 package; VCEO = −60 V; IC = −1 A; hFE = 100–300; no AEC-Q101 qualification. | Limited thermal performance (Ptot ≈ 600 mW); unsuitable for automotive or high-reliability industrial use. | Acceptable only in non-automotive, space-constrained prototypes where SOT89 footprint is unavailable. |
Compared with BCX53-10TF and ZTX753, BCX53-16TF provides the highest guaranteed hFE in the SOT89 form factor with automotive qualification-making it optimal for noise-sensitive, thermally demanding, and safety-critical high-side switching where base drive efficiency and long-term reliability are essential.
Availability
BCX53-16TF is available at Aetrix Electronics and suitable for linear voltage regulators, MOSFET drivers, and high-side switches requiring stable component supply, automotive-grade qualification, and consistent parametric performance across production batches.
Supply support for BCX53-16TF 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
Nexperia is a global semiconductor expert focused on high-volume, high-reliability discrete and logic devices, with leadership in automotive-qualified components and advanced packaging technologies.
The BCX53T series belongs to Nexperia's medium-power bipolar transistor product line, engineered specifically for robust switching and linear regulation in automotive power systems and industrial control modules.
FAQ
What is the maximum allowable base current for continuous operation?
The absolute maximum DC base current is −200 mA per datasheet limiting values. However, for reliable continuous operation with IC = −1 A, base current should be limited to −100 mA to prevent thermal overstress and maintain hFE stability. Derating is required above Tamb = 25 °C using the published thermal curves.
Can BCX53-16TF replace BCX53-10TF without circuit modification?
Yes-both share identical pinout, voltage/current ratings, package, and thermal characteristics. The only difference is hFE binning (100–250 vs. 63–160). Circuits designed for BCX53-10TF will function with BCX53-16TF, often with improved base drive margin and lower base resistor values.
Is the collector tab electrically isolated from other pins?
No-the collector (Pin 2) is directly connected to the exposed metal tab on the SOT89 package. This tab must be routed to the same net as Pin 2 and may serve as the primary thermal path to PCB copper. Electrical isolation requires insulating thermal interface material if mounted to a heatsink at different potential.
What is the recommended reflow profile for SOT89 mounting?
Nexperia specifies JEDEC J-STD-020-compliant reflow: peak temperature 260 °C for ≤30 seconds, ramp rate ≤3 °C/s, and time above 217 °C of 60–150 seconds. Figure 16 defines the exact solder land pattern (4.75 mm × 2.25 mm collector pad) required to achieve rated thermal performance.
BCX53-16TF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- TO-243AA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- PNP
- 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:
- 100 @ 150mA, 2V
- Power - Max:
- 500 mW
- Frequency - Transition:
- 140MHz
- Operating Temperature:
- 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-89
BCX53-16TF FAQ
1.How can I place an order for BCX53-16TF through Aetrix?
Please submit a Request for Quotation (RFQ) for BCX53-16TF 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 BCX53-16TF reliable?
The price and inventory of BCX53-16TF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BCX53-16TF is usually 5 days.
3.What payment methods are accepted for BCX53-16TF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BCX53-16TF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BCX53-16TF?
BCX53-16TF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BCX53-16TF 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 BCX53-16TF?
For technical support, including BCX53-16TF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BCX53-16TF requirements.
6.How does Aetrix verify that BCX53-16TF is sourced from the original manufacturer or authorized distributors?
All BCX53-16TF 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 BCX53-16TF meets industry standards.
7.What is the process for return or replacement of BCX53-16TF?
All BCX53-16TF units undergo pre-shipment inspection (PSI). If there is an issue with BCX53-16TF, 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 BCX53-16TF part is unused and in its original packaging.
Return procedure for BCX53-16TF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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