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onsemi NSVBCW32LT1G
- Part No.:
- NSVBCW32LT1G
- Manufacturer:
- onsemi
- Category:
- Single Bipolar Transistors
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
NSVBCW32LT1G.pdf
- Description:
- TRANS NPN 32V 0.1A SOT23-3
- Quantity:
- Payment:
- Shipping:
Inventory:2,147
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Product details
Overview
NSVBCW32LT1G from onsemi is an automotive-grade NPN silicon general-purpose transistor in SOT-23 package, rated for VCEO = 32 V, IC = 100 mA, and hFE = 200–450 at IC = 2 mA. It delivers low VCE(sat) ≤ 0.25 V at IC/IB = 20 and supports operation from −55 °C to +150 °C, commonly used in low-power signal amplification and switching in automotive body control modules.
For engineers reviewing the NSVBCW32LT1G datasheet, pinout, applications, or equivalent options, key selection considerations include its AEC-Q101 qualification, noise figure ≤10 dB at 1 kHz, 4.0 pF Cobo, and SOT-23 pin configuration with Base–Emitter–Collector assignment per Style 6.
Technical Context
This NPN bipolar junction transistor operates in linear and saturation regions with verified DC current gain (hFE) spanning 200–450 under standard bias (IC = 2 mA, VCE = 5 V). Its breakdown ratings-V(BR)CEO = 32 V, V(BR)CBO = 32 V, V(BR)EBO = 5.0 V-are confirmed at specified test currents and temperature.
Thermal performance is characterized for two board types: FR-5 (RJA = 556 °C/W, PD = 225 mW) and alumina substrate (RJA = 417 °C/W, PD = 300 mW), enabling thermal design validation for both consumer and automotive PCB layouts.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 32 Vdc - Maximum collector-emitter voltage before breakdown; defines safe operating voltage headroom in low-voltage switching rails. |
| IC | 100 mAdc - Continuous collector current limit; sets maximum load drive capability in small-signal switching applications. |
| hFE | 200–450 - DC current gain range at IC = 2 mA, VCE = 5 V; determines base drive requirements for reliable saturation. |
| VCE(sat) | ≤0.25 Vdc at IC = 10 mA, IB = 0.5 mA - Low saturation voltage minimizes power loss and self-heating in ON-state switching. |
| Cobo | ≤4.0 pF at VCB = 10 V, f = 1 MHz - Output capacitance impacts high-frequency response and bandwidth in amplifier stages. |
| NF | ≤10 dB at IC = 0.2 mA, VCE = 5 V, RS = 2 kΩ, f = 1 kHz - Noise figure enables use in low-level analog signal conditioning where SNR matters. |
Pinout & Package
SOT-23 (TO-236) surface-mount package, 2.90 × 1.30 × 1.00 mm, case 318, style 6. Marking "BCW32LT1G" with Pb-free indicator.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Base | Control terminal; requires ~0.6 V forward bias and sufficient IB to achieve target IC with specified hFE. |
| 2 | Emitter | Current return path; tied to ground or low-impedance reference in common-emitter configurations. |
| 3 | Collector | Output current terminal; connects to load or next stage; must remain ≤32 V below emitter under all conditions. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control units and lighting drivers requiring extended temperature and reliability compliance. |
| Low noise figure (≤10 dB) | Enables use in front-end preamplifier stages for sensors and audio signal paths where input-referred noise must be minimized. |
| VCE(sat) ≤ 0.25 V | Reduces conduction loss and thermal stress in battery-powered or thermally constrained designs such as door module logic switches. |
| Pb-free, Halogen-free, RoHS compliant | Meets global environmental regulations and enables compatibility with lead-free reflow soldering profiles (JEDEC J-STD-020). |
Applications
| Automotive Body Control | Low-Voltage Sensor Interface |
|---|---|
Use Scenario: Driving LED indicators and relays in door modules and seat control units. IC Role / Device Role / Timing Role: NPN switch controlling 12 V loads via microcontroller GPIO with current limiting. Use Value: AEC-Q101 qualification ensures long-term reliability under automotive thermal cycling and vibration stress. |
Use Scenario: Amplifying output of resistive temperature detectors (RTDs) or Hall-effect sensors in HVAC systems. IC Role / Device Role / Timing Role: Small-signal amplifier in common-emitter configuration with gain set by external resistor network. Use Value: ≤10 dB noise figure preserves signal integrity at sub-mV levels without requiring costly low-noise op-amps. |
| Industrial Power Sequencing | Consumer Audio Biasing |
Use Scenario: Enabling/disabling auxiliary power rails in programmable logic controllers during startup/shutdown sequences. IC Role / Device Role / Timing Role: High-side or low-side enable switch controlled by FPGA or MCU output pins. Use Value: 32 V VCEO rating provides margin above 24 V industrial supply rails, reducing risk of overvoltage failure. |
Use Scenario: Providing stable bias current for Class-A headphone amplifier stages in portable media players. IC Role / Device Role / Timing Role: Constant-current source configured with emitter degeneration resistor. Use Value: Tight hFE range (200–450) allows predictable bias current setting with minimal calibration. |
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 |
|---|---|---|---|
| BC846BTT1G | Higher hFE (200–450 vs. 220–475), identical VCEO/IC, same SOT-23 package but Style 7 (Emitter–Base–Collector pinout). | Requires PCB layout revision due to reversed Base/Emitter pin assignment; not drop-in compatible. | Select when higher minimum hFE is required and board redesign is acceptable. |
| MMBT3904LT1G | Same pinout (Style 6), identical VCEO = 40 V (higher margin), but lower hFE min = 100 and no AEC-Q101 qualification. | Not suitable for automotive applications requiring PPAP documentation or extended temperature validation. | Prefer for cost-sensitive industrial or consumer designs where automotive qualification is unnecessary. |
Compared with BC846BTT1G and MMBT3904LT1G, the NSVBCW32LT1G uniquely combines AEC-Q101 compliance, validated 32 V breakdown, and Style 6 pinout-making it the only option among the three qualified for automotive body electronics without layout change or gain compromise.
Availability
NSVBCW32LT1G is available at Aetrix Electronics and suitable for automotive body control, industrial sensor interface, and low-voltage power sequencing requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for NSVBCW32LT1G 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
onsemi is a global semiconductor supplier focused on energy-efficient innovation, serving automotive, industrial, cloud, and IoT markets with discrete, analog, and power solutions.
The NSVBCW32LT1G belongs to onsemi's automotive-qualified general-purpose transistor family, designed specifically for robust, low-cost signal switching and amplification in harsh-environment electronic control units.
FAQ
What is the pin configuration of the NSVBCW32LT1G?
The NSVBCW32LT1G uses SOT-23 package Style 6: Pin 1 is Base, Pin 2 is Emitter, and Pin 3 is Collector. This configuration is confirmed in the official onsemi mechanical drawings and matches the marking diagram showing "BCW32LT1G" with Pb-free indicator. Layouts must observe this order to avoid functional failure.
Is the NSVBCW32LT1G qualified for automotive applications?
Yes, the NSVBCW32LT1G is AEC-Q101 qualified and PPAP capable, with full test reports covering temperature cycling, humidity testing, and high-temperature operating life. The "NSV" prefix explicitly denotes automotive-specific site and process controls, making NSVBCW32LT1G suitable for under-hood and cabin ECUs.
What is the maximum continuous collector current for the NSVBCW32LT1G?
The NSVBCW32LT1G supports a maximum continuous collector current (IC) of 100 mAdc at TA = 25 °C. Derating applies above 25 °C: 1.8 mW/°C on FR-5 board and 2.4 mW/°C on alumina substrate, per the thermal characteristics table in the official datasheet.
Does the NSVBCW32LT1G have a specified noise figure?
Yes, the NSVBCW32LT1G has a maximum noise figure (NF) of 10 dB under defined conditions: IC = 0.2 mAdc, VCE = 5.0 Vdc, RS = 2.0 kΩ, f = 1.0 kHz, and BW = 200 Hz. This value is measured and guaranteed per the Electrical Characteristics table on page 2 of the datasheet.
What is the package type and dimensions of the NSVBCW32LT1G?
The NSVBCW32LT1G is housed in a SOT-23 (TO-236) package, case 318, style 6, measuring 2.90 × 1.30 × 1.00 mm with 1.90 mm pitch. These mechanical dimensions are documented in the "PACKAGE DIMENSIONS" section (page 5) of the official onsemi datasheet, issue AU dated 14 AUG 2024.
NSVBCW32LT1G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- 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):
- 100 mA
- Voltage - Collector Emitter Breakdown (Max):
- 32 V
- Vce Saturation (Max) @ Ib, Ic:
- 250mV @ 500µA, 10mA
- Current - Collector Cutoff (Max):
- 100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 200 @ 2mA, 5V
- Power - Max:
- 225 mW
- Frequency - Transition:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3 (TO-236)
NSVBCW32LT1G FAQ
1.How can I place an order for NSVBCW32LT1G through Aetrix?
Please submit a Request for Quotation (RFQ) for NSVBCW32LT1G 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 NSVBCW32LT1G reliable?
The price and inventory of NSVBCW32LT1G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NSVBCW32LT1G is usually 5 days.
3.What payment methods are accepted for NSVBCW32LT1G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NSVBCW32LT1G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NSVBCW32LT1G?
NSVBCW32LT1G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NSVBCW32LT1G 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 NSVBCW32LT1G?
For technical support, including NSVBCW32LT1G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NSVBCW32LT1G requirements.
6.How does Aetrix verify that NSVBCW32LT1G is sourced from the original manufacturer or authorized distributors?
All NSVBCW32LT1G 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 NSVBCW32LT1G meets industry standards.
7.What is the process for return or replacement of NSVBCW32LT1G?
All NSVBCW32LT1G units undergo pre-shipment inspection (PSI). If there is an issue with NSVBCW32LT1G, 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 NSVBCW32LT1G part is unused and in its original packaging.
Return procedure for NSVBCW32LT1G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
NSVBCW32LT1G Tags
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