onsemi NSV20201LT1G
- Part No.:
- NSV20201LT1G
- Manufacturer:
- onsemi
- Category:
- Single Bipolar Transistors
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
NSV20201LT1G.pdf
- Description:
- TRANS NPN 20V 2A SOT23-3
- Quantity:
- Payment:

- Shipping:

Inventory:2,580
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Product details
Overview
NSV20201LT1G from onsemi is an AEC-Q101 qualified NPN bipolar junction transistor in SOT-23 package, rated for 20 V VCEO, 2.0 A continuous collector current, and ultra-low 37 mΩ equivalent RDS(on). It delivers VCE(sat) as low as 4 mV at IC = 0.1 A / IB = 10 mA and supports high-speed switching in battery-powered DC–DC converters and automotive airbag deployment circuits.
For engineers reviewing the NSV20201LT1G datasheet, pinout, applications, or equivalent options, key selection criteria include its AEC-Q101 qualification, 20 V/2.0 A rating, ultra-low saturation voltage under pulsed and DC conditions, thermal performance on FR-4 (RJA = 230 °C/W with 500 mm² copper), and direct drive compatibility with PMU control outputs.
Technical Context
This NPN transistor operates in linear and saturated switching modes with guaranteed hFE ≥ 200 across IC = 10 mA to 2.0 A (VCE = 2.0 V). Its fT = 150 MHz enables high-frequency switching up to ~100 MHz under specified bias conditions.
The device features thermally robust construction with TJ range of −55 °C to +150 °C and is optimized for low-voltage, high-efficiency energy control - not power amplification or analog signal processing - due to its fixed gain profile and saturation-focused design.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 20 V - Maximum safe collector-emitter voltage before breakdown; defines upper rail limit in 12 V automotive and 5–12 V portable power systems. |
| IC (continuous) | 2.0 A - Continuous DC current handling capacity; supports sustained load switching in motor drivers and DC–DC output stages. |
| VCE(sat) @ IC=1.0 A, IB=0.1 A | 37 mV typical - Ultra-low saturation voltage reduces conduction loss and heat generation in high-current switching nodes. |
| hFE @ IC=2.0 A | 200 min - Stable current gain ensures predictable base drive requirements across full operating range without gain collapse. |
| fT | 150 MHz - Transition frequency confirms suitability for sub-100 MHz switching applications such as synchronous buck converter control. |
| RJA (500 mm²) | 230 °C/W - Thermal resistance with 500 mm² copper pad enables 540 mW dissipation at 25 °C ambient; critical for compact PCB layouts. |
| ESD Rating | HBM Class 3B - Withstands ≥8 kV human-body-model ESD, supporting robust handling in automotive assembly lines and portable device manufacturing. |
Pinout & Package
SOT-23 (TO-236) surface-mount package, 2.90 × 1.30 × 1.00 mm, Pb-free, RoHS compliant. Case 318, Style 6 marking configuration.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Base | Control input node requiring precise current-limited drive; base-emitter turn-on voltage is 0.76–0.90 V at IC = 1.0 A. |
| 2 | Emitter | Reference terminal for current sensing and grounding; connects directly to system ground or low-side shunt in switching regulators. |
| 3 | Collector | High-current output node; handles up to 2.0 A continuous load; must be routed with adequate copper area for thermal management. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including airbag deployment and instrument cluster; supports PPAP documentation requirements. |
| Ultra-low VCE(sat) | As low as 4 mV at light load (IC = 0.1 A), reducing conduction losses by >60% vs. standard BJT alternatives in 3.3–5 V systems. |
| High hFE linearity | hFE ≥ 200 maintained from 10 mA to 2.0 A - enables single-base-resistor drive from PMU GPIOs without active base control circuitry. |
| Thermal derating support | Rated for 540 mW at 25 °C ambient with 500 mm² copper; derates 4.3 mW/°C above 25 °C - simplifies thermal margining in sealed enclosures. |
| Pb-free, Halogen-free, RoHS | Fully compliant with automotive and consumer environmental standards; compatible with lead-free reflow profiles (J-STD-020). |
Applications
| Automotive Airbag Deployment | Portable Device DC–DC Converter |
|---|---|
|
Use Scenario: High-reliability switching of squib firing circuits during crash events, requiring fail-safe turn-on within microseconds. IC Role / Device Role / Timing Role: Low-side NPN switch controlling squib current path; driven directly by airbag controller ASIC output. Use Value: AEC-Q101 qualification and −55 °C to +150 °C operation ensure functional safety across vehicle lifetime and environmental extremes. |
Use Scenario: Synchronous rectifier or main switch in step-down converters powering CPUs, displays, or audio subsystems in smartphones and tablets. IC Role / Device Role / Timing Role: High-efficiency power switch replacing MOSFETs where gate drive complexity or cost must be minimized. Use Value: 37 mV VCE(sat) at 1 A reduces conduction loss by ~40% vs. comparable discrete BJTs, extending battery runtime in 3.3 V/5 V rails. |
| Low-Voltage Motor Control | Disk Drive Spindle Driver |
|
Use Scenario: Driving small brushed DC motors in portable printers, scanners, or handheld medical devices operating from single-cell Li-ion batteries. IC Role / Device Role / Timing Role: Low-side driver stage interfacing between microcontroller PWM output and motor winding. Use Value: Linear hFE behavior allows predictable base current scaling across 100 mA–2 A loads, eliminating need for dynamic base compensation. |
Use Scenario: Spindle motor enable/disable control and head actuator current limiting in 2.5″ HDDs and optical drives. IC Role / Device Role / Timing Role: Precision current-switching element in closed-loop motor current regulation circuitry. Use Value: Tight VCE(sat) distribution (±0.01 V) ensures consistent torque response across production units and temperature ranges. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NPN low-VCE(sat) transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MMBT20201LT1G | Same die, non-automotive grade; no AEC-Q101 qualification or NSV prefix; identical electrical specs and SOT-23 package. | Lacks PPAP support and automotive traceability; suitable only for industrial or consumer applications with lower reliability requirements. | Select when automotive qualification is unnecessary and cost sensitivity outweighs long-term supply assurance. |
| ZXTN2020ZTA | Higher VCEO (30 V), higher VCE(sat) (100 mV @ 1 A), TO-92 and SOT-23 variants; not AEC-Q101 qualified. | Broader voltage margin but higher conduction loss; used in general-purpose switching where 20 V rating is insufficient. | Choose only if system rail exceeds 20 V or if legacy TO-92 footprint compatibility is required. |
Compared with MMBT20201LT1G and ZXTN2020ZTA, NSV20201LT1G uniquely combines AEC-Q101 compliance, 20 V/2.0 A rating, and 37 mV VCE(sat) - making it the sole option for automotive-grade, ultra-low-loss NPN switching in space-constrained SOT-23 layouts.
Availability
NSV20201LT1G is available at Aetrix Electronics and suitable for automotive airbag systems, portable DC–DC converters, and low-voltage motor controls requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for NSV20201LT1G 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 delivering energy-efficient, intelligent power and sensing solutions for automotive, industrial, cloud, and consumer markets.
The NSV20201LT1G belongs to onsemi's e2PowerEdge family - engineered specifically for low-voltage, high-efficiency switching in automotive and portable power management systems where minimal conduction loss and AEC-Q101 reliability are mandatory.
FAQ
What is the maximum continuous collector current rating for NSV20201LT1G?
The NSV20201LT1G is rated for 2.0 A continuous collector current (IC) at TA = 25 °C with 500 mm² copper pad. At higher ambient temperatures or reduced copper area, derating applies: 4.3 mW/°C above 25 °C with 500 mm², or 3.7 mW/°C with 100 mm². Peak current capability reaches 4.0 A under pulsed conditions.
Is NSV20201LT1G pin-compatible with NSS20201LT1G?
Yes, NSV20201LT1G and NSS20201LT1G share identical SOT-23 package, pinout (Style 6: Pin 1 = Base, Pin 2 = Emitter, Pin 3 = Collector), and electrical specifications. The NSV prefix denotes automotive qualification (AEC-Q101, PPAP-capable), while NSS is for industrial/consumer use - both are functionally interchangeable in layout.
What does the "NSV" prefix signify for NSV20201LT1G?
The "NSV" prefix identifies NSV20201LT1G as part of onsemi's automotive-grade product line, indicating AEC-Q101 qualification, PPAP capability, and controlled manufacturing site/process changes. It guarantees enhanced traceability, extended temperature range (−55 °C to +150 °C), and compliance with automotive quality and reliability standards.
Can NSV20201LT1G replace a MOSFET in low-voltage switching applications?
NSV20201LT1G can replace logic-level N-channel MOSFETs in ≤20 V, ≤2 A applications where gate drive simplicity and cost are priorities - especially when driven directly from PMU GPIOs. Its 37 mV VCE(sat) at 1 A offers competitive conduction loss, though it lacks MOSFET advantages like zero gate current and faster turn-off.
What is the thermal resistance (RJA) of NSV20201LT1G under standard PCB conditions?
NSV20201LT1G has RJA = 230 °C/W when mounted on FR-4 board with 500 mm² of 1 oz. copper (per datasheet Note 2), enabling 540 mW total dissipation at 25 °C ambient. With minimal copper (100 mm²), RJA rises to 270 °C/W (460 mW rating), requiring careful thermal design in compact layouts.
NSV20201LT1G 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):
- 2 A
- Voltage - Collector Emitter Breakdown (Max):
- 20 V
- Vce Saturation (Max) @ Ib, Ic:
- 100mV @ 200mA, 2A
- Current - Collector Cutoff (Max):
- 100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 200 @ 500mA, 2V
- Power - Max:
- 460 mW
- Frequency - Transition:
- 150MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3 (TO-236)
NSV20201LT1G FAQ
1.How can I place an order for NSV20201LT1G through Aetrix?
Please submit a Request for Quotation (RFQ) for NSV20201LT1G 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 NSV20201LT1G reliable?
The price and inventory of NSV20201LT1G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NSV20201LT1G is usually 5 days.
3.What payment methods are accepted for NSV20201LT1G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NSV20201LT1G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NSV20201LT1G?
NSV20201LT1G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NSV20201LT1G 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 NSV20201LT1G?
For technical support, including NSV20201LT1G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NSV20201LT1G requirements.
6.How does Aetrix verify that NSV20201LT1G is sourced from the original manufacturer or authorized distributors?
All NSV20201LT1G 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 NSV20201LT1G meets industry standards.
7.What is the process for return or replacement of NSV20201LT1G?
All NSV20201LT1G units undergo pre-shipment inspection (PSI). If there is an issue with NSV20201LT1G, 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 NSV20201LT1G part is unused and in its original packaging.
Return procedure for NSV20201LT1G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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