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Nexperia USA Inc. BCW66GVL
- Part No.:
- BCW66GVL
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Bipolar Transistors
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
BCW66GVL.pdf
- Description:
- TRANS NPN 45V 0.8A TO-236AB
- Quantity:
- Payment:
- Shipping:
Inventory:69,114
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Product details
Overview
BCW66GVL from Nexperia is an AEC-Q101-qualified NPN general-purpose transistor in SOT23 (TO-236AB) package, rated for 45 V VCEO, 800 mA continuous IC, and 400 hFE (typ.) at 100 mA. It serves as a compact, thermally robust switching or linear amplification device in automotive body electronics, power management blocks, and industrial sensor interface circuits.
For engineers reviewing the BCW66GVL datasheet, BCW66GVL pinout, BCW66GVL application, or BCW66GVL equivalent, this page delivers verified electrical specs, thermal derating behavior, base-emitter/collector-emitter saturation voltages under pulsed and DC conditions, and validated automotive-grade reliability data - all critical for gate drive, load switching, and signal buffering designs.
Technical Context
This discrete NPN bipolar junction transistor operates in active, saturation, and cutoff regions with defined DC current gain (hFE) spanning 160–400 at VCE = 1 V and IC = 100 mA. Its 500 K/W junction-to-ambient thermal resistance on FR4 PCB reflects standard SOT23 thermal performance under free-air conditions.
The device supports pulsed operation up to 1 A peak collector current (tp ≤ 1 ms), with VBE(sat) ≤ 1.25 V and VCE(sat) ≤ 450 mV at IC = 500 mA / IB = 50 mA, enabling efficient low-side switching in 5–24 V systems where thermal margin and consistent gain are design-critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 45 V - Maximum safe collector-emitter voltage with base open; defines upper rail limit for switch applications. |
| IC (continuous) | 800 mA - Continuous collector current rating at Tamb ≤ 25 °C; sets baseline load-handling capability. |
| hFE | 160–400 - DC current gain at VCE = 1 V, IC = 100 mA; determines required base drive for target collector current. |
| VCE(sat) | ≤ 450 mV at IC = 500 mA / IB = 50 mA - Low saturation voltage minimizes conduction loss in switching mode. |
| Ptot | 250 mW at Tamb = 25 °C - Total power dissipation limit; derates linearly above 25 °C per Figure 1. |
| fT | 100 MHz - Transition frequency at VCE = 5 V, IC = 10 mA; supports audio and low-MHz signal amplification. |
| AEC-Q101 | Qualified - Validated for automotive applications per stress test standard; supports under-hood and chassis-mounted use. |
Pinout & Package
SOT23 (TO-236AB) plastic surface-mounted package with 3 leads; standardized footprint per Figure 16 (reflow) and Figure 17 (wave soldering); dimensions: 2.9 mm × 1.3 mm × 1.0 mm (L × W × H).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Base (B) | Control terminal; requires current-limited drive (max IB = 100 mA DC, 200 mA pulsed) to bias transistor into active/saturation. |
| 2 | Emitter (E) | Current return path; connected to ground or low-side reference; forms common-emitter configuration with collector output. |
| 3 | Collector (C) | Output terminal; handles switched load current up to 800 mA; must be routed with adequate copper area for thermal relief. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive temperature range (−55 °C to +150 °C) and mechanical stress; enables direct use in body control modules. |
| High DC current gain (hFE) | 160–400 at IC = 100 mA ensures stable switching with modest base drive, reducing MCU GPIO loading and driver complexity. |
| Low VCE(sat) | ≤ 450 mV at high IC/IB ratio minimizes power loss and self-heating during sustained on-state operation. |
| Thermal robustness | Rth(j-a) = 500 K/W on FR4 PCB allows predictable derating; junction survives up to 150 °C, supporting operation near heat sources. |
| Small-footprint SOT23 | Standardized 3-pin SMD package enables high-density PCB layouts and compatibility with automated assembly lines. |
Applications
| Automotive Door Module Switching | Industrial Sensor Signal Buffering |
|---|---|
Use Scenario: Driving resistive loads (e.g., LED status indicators, small relays, solenoid valves) in vehicle door control units. IC Role / Device Role / Timing Role: NPN low-side switch controlled by microcontroller GPIO; toggles load between ground and supply rail. Use Value: AEC-Q101 qualification ensures reliability across temperature cycling; 45 V rating accommodates 24 V truck/bus systems with load-dump margin. |
Use Scenario: Amplifying weak analog signals from temperature or pressure sensors before ADC sampling in PLC I/O modules. IC Role / Device Role / Timing Role: Linear amplifier in common-emitter configuration; provides voltage gain and impedance transformation. Use Value: Stable hFE over −55 °C to +125 °C maintains gain consistency; fT = 100 MHz supports bandwidths up to ~10 MHz for fast transient response. |
| Consumer Appliance Motor Control | Power Supply Enable Circuitry |
Use Scenario: Enabling/disabling small DC brush motors (e.g., fan, pump) in white goods using PWM-driven base control. IC Role / Device Role / Timing Role: Switching element in motor driver stage; handles pulsed current up to 1 A peak during startup. Use Value: 1 A peak ICM rating absorbs inrush without failure; low VBE(sat) reduces base drive power and improves efficiency. |
Use Scenario: Controlling enable inputs of DC-DC converters or LDOs in multi-rail embedded systems. IC Role / Device Role / Timing Role: Level-shifting switch that translates logic-level enable signals to higher-voltage rails (e.g., 5 V → 12 V). Use Value: 45 V VCEO safely isolates control logic from downstream power stages; SOT23 footprint saves board space in dense power domains. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NPN general-purpose transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BCW66G | Same die, identical electrical specs; differs only in marking code (ER%) and internal lot traceability. | No functional difference; both qualified to AEC-Q101 and share identical SOT23 packaging and thermal profile. | Select BCW66GVL when vendor-specific traceability or logistics labeling (e.g., "VL" suffix per distributor stocking program) is required. |
| MMBT3904LT1G | Lower VCEO (40 V), lower hFE (100–300), same SOT23 package; not AEC-Q101 qualified. | Lacks automotive qualification; suitable for commercial-grade consumer or industrial equipment where extended temperature range is not needed. | Choose MMBT3904LT1G only for cost-sensitive non-automotive designs; avoid where AEC-Q101 compliance or 45 V margin is mandatory. |
Compared with BCW66GVL, BCW66G offers identical performance but different logistics marking, while MMBT3904LT1G trades automotive reliability and voltage headroom for lower unit cost in non-automotive contexts - making BCW66GVL the optimal choice for safety-aware, thermally demanding, or 24 V+ automotive subsystems.
Availability
BCW66GVL is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor interfaces, consumer appliance motor control, and power supply enable circuitry requiring stable component supply, long-term lifecycle support, and AEC-Q101 assurance.
Supply support for BCW66GVL 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 essential semiconductors - including logic, discretes, MOSFETs, and ESD protection devices.
The BCW66 series belongs to Nexperia's AEC-Q101-qualified general-purpose transistor product line, engineered for robust switching and amplification in automotive and industrial environments where thermal stability and process consistency are critical.
FAQ
Is BCW66GVL pin-compatible with BCW66G?
Yes - BCW66GVL and BCW66G share identical SOT23 pinout (Base–Emitter–Collector on pins 1–2–3), identical absolute maximum ratings, and identical electrical characteristics. The "VL" suffix denotes a specific distribution channel or traceability variant, not a functional revision.
What is the maximum allowable ambient temperature for continuous 800 mA operation?
At 800 mA continuous collector current, Ptot = IC × VCE(sat) ≈ 0.8 A × 0.45 V = 360 mW - exceeding the 250 mW rating at 25 °C. Derating per Figure 1 shows usable ambient temperature drops to ~50 °C at full load; forced airflow or copper pour is recommended for sustained 800 mA use.
Does BCW66GVL support PWM switching at frequencies above 10 kHz?
Yes - with fT = 100 MHz and typical turn-on/turn-off times in the nanosecond range (inferred from VCE(sat) and hFE response), BCW66GVL supports PWM switching well beyond 10 kHz. However, switching losses increase with frequency; layout parasitics and base drive strength become critical above 100 kHz.
Can BCW66GVL replace a BCW66F in an existing design?
Yes, with design verification - BCW66GVL has higher minimum hFE (160 vs. 100) and wider gain range (160–400 vs. 100–250), which may reduce required base current. Confirm VBE(sat) and thermal behavior remain within margins, especially under high-temperature or high-current conditions.
BCW66GVL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- NPN
- Current - Collector (Ic) (Max):
- 800 mA
- Voltage - Collector Emitter Breakdown (Max):
- 45 V
- Vce Saturation (Max) @ Ib, Ic:
- 450mV @ 50mA, 500mA
- Current - Collector Cutoff (Max):
- 5µA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 160 @ 100mA, 1V
- Power - Max:
- 250 mW
- Frequency - Transition:
- 100MHz
- Operating Temperature:
- 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-236AB
BCW66GVL FAQ
1.How can I place an order for BCW66GVL through Aetrix?
Please submit a Request for Quotation (RFQ) for BCW66GVL 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 BCW66GVL reliable?
The price and inventory of BCW66GVL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BCW66GVL is usually 5 days.
3.What payment methods are accepted for BCW66GVL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BCW66GVL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BCW66GVL?
BCW66GVL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BCW66GVL 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 BCW66GVL?
For technical support, including BCW66GVL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BCW66GVL requirements.
6.How does Aetrix verify that BCW66GVL is sourced from the original manufacturer or authorized distributors?
All BCW66GVL 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 BCW66GVL meets industry standards.
7.What is the process for return or replacement of BCW66GVL?
All BCW66GVL units undergo pre-shipment inspection (PSI). If there is an issue with BCW66GVL, 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 BCW66GVL part is unused and in its original packaging.
Return procedure for BCW66GVL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BCW66GVL Tags
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MMBT3906LT1G
onsemi
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MMBT3904-7-F
Diodes Incorporated
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MMBT3904LT1G
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MMBT3906-7-F
Diodes Incorporated
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MMBT3904-TP
Micro Commercial Co
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MMBT2222A-7-F
Diodes Incorporated
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BC846BLT1G
onsemi
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BC847B,215
Nexperia USA Inc.
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SMMBT3904LT1G
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MMBT2222A-TP
Micro Commercial Co
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MMBTA06LT1G
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MMBT2222ALT1G
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