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Nexperia USA Inc. BC68PA,115
- Part No.:
- BC68PA,115
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Bipolar Transistors
- Package:
- 3-PowerUDFN
- Datasheet:
-
BC68PA,115.pdf
- Description:
- TRANS NPN 20V 2A 3HUSON
- Quantity:
- Payment:
- Shipping:
Inventory:2,938
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Product details
Overview
BC68PA,115 from Nexperia is a 20 V, 2 A NPN medium power transistor in a leadless DFN2020-3 (SOT1061) package, designed for linear voltage regulation, MOSFET gate driving, and low-side switching. It delivers DC current gain (hFE) of 85–375 at VCE = 1 V and IC = 500 mA, supports 3 A peak collector current, and features an exposed thermal pad for enhanced junction-to-board heat transfer.
For engineers reviewing the BC68PA,115 datasheet, BC68PA,115 pinout, BC68PA,115 application, or BC68PA,115 equivalent, key selection criteria include its 20 V VCEO, 2 A continuous IC, SOT1061 thermal performance, and dual hFE binning (BC68PA vs. BC68-25PA), critical for stable biasing in battery-powered amplifiers and power management stages.
Technical Context
This NPN transistor operates as a medium-power active switch or linear amplifier with fixed-emitter configuration. Its design centers on high-current capability (2 A continuous, 3 A pulsed) and thermally optimized packaging - the exposed collector pad enables direct PCB copper thermal conduction, supporting up to 1.65 W total power dissipation under 4-layer FR4 mounting.
The device exhibits VCE(sat) ≤ 0.6 V at IC = 2 A / IB = 200 mA and fT = 40–170 MHz, confirming suitability for medium-speed switching and analog gain stages. Base-emitter breakdown (VEBO = 5 V) and collector-base rating (VCBO = 32 V) define safe operating margins for low-voltage rail applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 20 V - Maximum safe collector-emitter voltage with base open; defines upper rail limit for low-side switch operation. |
| IC (continuous) | 2 A - Continuous collector current rating; sets maximum steady-state load drive capability without forced cooling. |
| hFE (typ.) | 85–375 at VCE = 1 V, IC = 500 mA - Confirmed DC current gain range enabling predictable base drive sizing in linear regulators and drivers. |
| Ptot (max) | 1.65 W - Total power dissipation on 4-layer FR4 with 1 cm² collector pad; determines thermal layout requirements for sustained operation. |
| Rth(j-a) | 76 K/W - Junction-to-ambient thermal resistance under optimal 4-layer PCB mounting; enables accurate junction temperature estimation. |
| VCE(sat) | ≤ 0.6 V at IC = 2 A, IB = 200 mA - Low saturation voltage minimizes conduction loss in switching applications. |
| fT | 40–170 MHz - Transition frequency confirms usable bandwidth for audio amplification and <100 kHz PWM gate driving. |
Pinout & Package
BC68PA,115 uses the SOT1061 (DFN2020-3) package: 2.0 × 2.0 × 0.65 mm body with an exposed collector thermal pad on the underside. The leadless construction requires precise solder paste volume control and reflow profile adherence per Figure 12 in the datasheet.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Base (B) | Control input terminal; requires current-limited drive (IB ≤ 0.4 A) to achieve full IC saturation. |
| 2 | Emitter (E) | Reference node for biasing; connected to ground or low-side return path in common-emitter configurations. |
| 3 | Collector (C) | Power output terminal; electrically and thermally tied to exposed bottom pad for efficient heat extraction into PCB copper. |
Key Features
| Feature | Design Value |
|---|---|
| Exposed thermal pad | Direct junction-to-PCB thermal path reduces Rth(j-a) to 76 K/W, enabling higher power density without heatsinks. |
| Two hFE bins | BC68PA (85–375) and BC68-25PA (160–375) allow precision gain matching in parallel or feedback-critical circuits. |
| High ICM | 3 A peak collector current (tp ≤ 1 ms) supports surge handling in motor start-up or capacitor charging circuits. |
| Low VCE(sat) | ≤ 0.6 V at rated IC/IB ensures <1.2 W conduction loss, improving efficiency in 3.3–12 V power stages. |
| Leadless SMD | DFN2020-3 footprint saves >50% board area versus SOT23 while maintaining manufacturability on standard reflow lines. |
Applications
| Linear Voltage Regulators | MOSFET Drivers |
|---|---|
|
Use Scenario: Pass transistor in adjustable LDOs delivering up to 2 A output current from 5–15 V input rails. IC Role / Device Role / Timing Role: NPN series pass element controlling output voltage via emitter-follower configuration with external feedback network. Use Value: 20 V VCEO and 2 A IC support wide-input industrial supplies; low VCE(sat) minimizes dropout voltage and thermal load. |
Use Scenario: Gate driver stage for N-channel power MOSFETs in DC-DC converters and motor H-bridges. IC Role / Device Role / Timing Role: Low-side switch that sinks gate charge rapidly during turn-off, paired with pull-up resistor or complementary PNP. Use Value: 3 A ICM and 170 MHz fT enable sub-100 ns gate discharge, reducing MOSFET switching losses in 100–500 kHz topologies. |
| Low-Side Switches | Battery-Driven Devices |
|
Use Scenario: Load switch for 12 V automotive accessories, LED arrays, or solenoid controls in embedded systems. IC Role / Device Role / Timing Role: Single-transistor low-side switch controlled by microcontroller GPIO with base resistor limiting. Use Value: 2 A continuous rating handles typical 10–30 W loads; exposed pad maintains Tj < 125 °C at ambient up to 85 °C with minimal copper area. |
Use Scenario: Power path control and battery protection circuitry in portable medical monitors, handheld test equipment, and IoT sensors. IC Role / Device Role / Timing Role: Enable/disable switch for subsystem power domains, often paired with voltage supervisor ICs. Use Value: 5 V VEBO and 20 V VCEO align with Li-ion (4.2 V) and multi-cell battery stacks; DFN2020-3 footprint conserves space in compact enclosures. |
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 |
|---|---|---|---|
| BC817-40,115 | Same SOT23 package; lower IC (500 mA), higher hFE (250–630), no exposed thermal pad. | Limited to ≤0.5 A loads; unsuitable for thermal-intensive 2 A applications due to higher Rth(j-a) (~300 K/W). | Select when board space allows SOT23 and power demand is ≤0.5 A with tighter hFE tolerance needed. |
| MBT3904DW1T1G | SOT363 dual package; single-device IC = 200 mA; not pin-compatible; higher VCE(sat) (0.3 V @ 10 mA). | Designed for signal-level logic translation, not power switching; dual configuration adds routing complexity for single-switch use. | Choose only for dual low-current signal paths; avoid for 2 A power switching due to current and thermal limitations. |
Compared with BC817-40,115 and MBT3904DW1T1G, BC68PA,115 uniquely combines 2 A continuous current, DFN2020-3 thermal efficiency, and 20 V breakdown in a single-device solution-making it irreplaceable for compact, high-current low-side switches where thermal headroom and board area are constrained.
Availability
BC68PA,115 is available at Aetrix Electronics and suitable for linear voltage regulators, MOSFET drivers, and low-side switches requiring stable component supply across industrial control, battery-powered instrumentation, and embedded power management designs.
Supply support for BC68PA,115 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 advanced packaging and automotive-grade qualification.
The BC68PA series belongs to Nexperia's medium-power bipolar transistor product line, engineered specifically for space-constrained, thermally demanding power control applications in consumer, industrial, and computing systems.
FAQ
What is the maximum allowable junction temperature for BC68PA,115?
The absolute maximum junction temperature (Tj) is 150 °C per the datasheet Limiting Values table. Operation above this threshold risks permanent degradation of hFE and increased leakage. Thermal design must ensure Tj remains below 150 °C under worst-case ambient and power dissipation conditions using the specified Rth(j-a) values.
Can BC68PA,115 be used in avalanche mode?
No-BC68PA,115 is not rated or characterized for avalanche energy handling. Its VCEO = 20 V is an absolute maximum rating, not a guaranteed breakdown voltage. Operating near or beyond VCEO may cause uncontrolled failure. Use clamping diodes or snubbers for inductive load switching.
Is the exposed pad on BC68PA,115 electrically connected to the collector?
Yes-the exposed thermal pad on the underside of the SOT1061 package is internally connected to the collector terminal. It must be soldered to a PCB copper pour designated as collector potential to maintain electrical integrity and achieve specified thermal performance.
How does BC68PA differ from BC68-25PA in practical circuit design?
BC68-25PA guarantees minimum hFE = 160 (vs. 85 for BC68PA) at VCE = 1 V and IC = 500 mA. This higher-gain bin reduces required base drive current by ~2× in saturated switch applications, simplifying GPIO interfacing and lowering base resistor power dissipation in high-volume designs.
BC68PA,115 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- 3-PowerUDFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- NPN
- Current - Collector (Ic) (Max):
- 2 A
- Voltage - Collector Emitter Breakdown (Max):
- 20 V
- Vce Saturation (Max) @ Ib, Ic:
- 600mV @ 200mA, 2A
- Current - Collector Cutoff (Max):
- 100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 85 @ 500mA, 1V
- Power - Max:
- 420 mW
- Frequency - Transition:
- 170MHz
- Operating Temperature:
- 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 3-HUSON (2x2)
BC68PA,115 FAQ
1.How can I place an order for BC68PA,115 through Aetrix?
Please submit a Request for Quotation (RFQ) for BC68PA,115 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 BC68PA,115 reliable?
The price and inventory of BC68PA,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BC68PA,115 is usually 5 days.
3.What payment methods are accepted for BC68PA,115?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BC68PA,115 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BC68PA,115?
BC68PA,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BC68PA,115 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 BC68PA,115?
For technical support, including BC68PA,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BC68PA,115 requirements.
6.How does Aetrix verify that BC68PA,115 is sourced from the original manufacturer or authorized distributors?
All BC68PA,115 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 BC68PA,115 meets industry standards.
7.What is the process for return or replacement of BC68PA,115?
All BC68PA,115 units undergo pre-shipment inspection (PSI). If there is an issue with BC68PA,115, 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 BC68PA,115 part is unused and in its original packaging.
Return procedure for BC68PA,115:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BC68PA,115 Tags
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BC846BLT1G
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BC847B,215
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