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onsemi NSVT489AMT1G
- Part No.:
- NSVT489AMT1G
- Manufacturer:
- onsemi
- Category:
- Single Bipolar Transistors
- Package:
- SOT-23-6 Thin, TSOT-23-6
- Datasheet:
-
NSVT489AMT1G.pdf
- Description:
- TRANS NPN 30V 2A 6-TSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,914
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Product details
Overview
NSVT489AMT1G from onsemi is an AEC-Q101-qualified NPN silicon low VCE(sat) switching transistor in TSOP-6 package, rated for 30 V VCEO, 2.0 A continuous collector current, and 0.05 V typical VCE(sat) at IC = 0.1 A / IB = 1.0 mA. It serves as a high-efficiency load switch in portable power management circuits.
For engineers reviewing the NSVT489AMT1G datasheet, pinout, applications, or equivalent options, key selection criteria include its automotive-grade qualification, ultra-low saturation voltage under moderate drive, thermal performance on 645 mm² copper, and TSOP-6 footprint compatibility with space-constrained battery-powered designs.
Technical Context
This device is a discrete NPN bipolar junction transistor optimized for fast, low-loss switching in DC load control paths. Its design emphasizes minimal conduction loss (VCE(sat) ≤ 0.200 V at IC = 1.0 A / IB = 100 mA) and robust thermal handling (RJA = 106 °C/W with 645 mm² copper).
It operates across −55 °C to +150 °C junction temperature, supports peak currents up to 3.0 A, and delivers fT ≥ 200 MHz - enabling stable switching in portable systems requiring rapid turn-on/turn-off with minimal base drive overhead.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 30 V - Maximum safe collector-emitter voltage before breakdown; defines upper rail limit in 3.3 V–24 V load-switch applications. |
| IC (continuous) | 2.0 A - Sustained load current capability; supports USB PD, LED drivers, and motor gate drivers without forced cooling. |
| VCE(sat) (typ) | 0.05 V at IC = 0.1 A / IB = 1.0 mA - Enables <10 mW conduction loss at 100 mA load, critical for battery runtime extension. |
| hFE (min) | 200 at IC = 1.0 A - Ensures reliable saturation with modest base current (5 mA), reducing MCU GPIO drive burden. |
| RJA (with 645 mm² Cu) | 106 °C/W - Allows 1.18 W dissipation at 25 °C ambient; supports continuous 1.5 A operation in handheld enclosures. |
| fT | 200 MHz (min) - Supports >1 MHz PWM switching without gain roll-off, suitable for high-frequency DC-DC pre-driver stages. |
Pinout & Package
NSVT489AMT1G is housed in a surface-mount TSOP-6 package (Case 318G, 3.00 × 1.50 × 0.90 mm, 0.95 mm pitch), optimized for automated assembly and thermal relief via exposed collector pads.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 5, 6 | Collector | Common high-current output node; electrically tied internally; connects to load supply rail and provides primary thermal path to PCB copper. |
| 3 | Base | Control input; requires ~1 mA drive for 100 mA load, enabling direct interfacing with 3.3 V logic or microcontroller GPIOs. |
| 4 | Emitter | Current return path to ground; referenced point for load-side sensing and feedback; must be low-impedance for stable VCE(sat). |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability (HTOL, TC, HTRB); supports under-hood and infotainment power switching without derating. |
| Ultra-low VCE(sat) | 0.05 V typical at light load enables >99% efficiency in 5 V/100 mA power rails, minimizing heat buildup in sealed enclosures. |
| Pb-free, RoHS-compliant | Meets global environmental regulations; compatible with lead-free reflow profiles (J-STD-020, peak 260 °C). |
| High fT bandwidth | 200 MHz minimum allows clean square-wave response up to 10 MHz edge rates, supporting fast transient load control. |
| Wide TJ range | −55 °C to +150 °C operation ensures functionality in industrial handhelds, medical monitors, and automotive accessory modules. |
Applications
| Smartphone Power Sequencing | Automotive Body Control Module |
|---|---|
|
Use Scenario: Enabling/disabling camera flash LED banks during burst capture sequences. IC Role / Device Role / Timing Role: Low-loss NPN load switch controlling 2.5 A peak flash current with <1 μs turn-on delay. Use Value: 0.06 V VCE(sat) at 0.5 A reduces flash driver power loss by 75% vs. standard transistors, extending battery life per capture cycle. |
Use Scenario: Driving interior dome lighting loads (LED strips, incandescent bulbs) via BCM microcontroller outputs. IC Role / Device Role / Timing Role: High-reliability discrete switch replacing mechanical relays; handles 1.2 A steady-state bulb current. Use Value: AEC-Q101 qualification and 150 °C TJ(max) ensure uninterrupted operation in hot vehicle cabins without thermal shutdown. |
| USB-C Power Delivery Load Switch | Portable Medical Monitor Power Gating |
|
Use Scenario: Isolating VBUS path during USB-C port negotiation and fault recovery. IC Role / Device Role / Timing Role: Fast-turning NPN switch placed between source and sink, controlled by PD controller GPIO. Use Value: 200 MHz fT and 0.125 V max VCE(sat) at 0.5 A enable sub-100 ns switching, preventing VBUS glitches during CC logic transitions. |
Use Scenario: Gating power to ECG front-end analog circuitry during standby to meet FDA-required 72-hour battery life. IC Role / Device Role / Timing Role: Low-leakage (ICES ≤ 0.1 μA) load switch activated only during signal acquisition windows. Use Value: 0.1 μA cutoff current minimizes quiescent drain, contributing directly to multi-day operational runtime on single-cell Li-ion. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NPN low-VCE(sat) switching transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MMBT4401LT1G | VCE(sat) = 0.75 V (max) at IC = 150 mA - 15× higher than NSVT489AMT1G; hFE min = 100. | Not suitable for >500 mA loads where thermal rise or efficiency matters; limited to low-power signal switching. | Select when cost is primary constraint and load current stays below 100 mA with ample thermal margin. |
| ZXTN25040DFH | Higher VCEO = 40 V; VCE(sat) = 0.12 V (typ) at IC = 1 A; SOT-23-6 package with separate emitter pin. | Offers better voltage headroom but larger footprint and no AEC-Q101 rating; lacks automotive qualification. | Prefer when system rail exceeds 30 V or when independent emitter routing is required for Kelvin sensing. |
Compared with MMBT4401LT1G and ZXTN25040DFH, the NSVT489AMT1G uniquely combines automotive qualification, ultra-low saturation voltage at 1 A, and TSOP-6 thermal efficiency - making it optimal for space- and efficiency-critical portable and automotive load switching where reliability and battery life are prioritized.
Availability
NSVT489AMT1G is available at Aetrix Electronics and suitable for smartphone power sequencing, automotive body control modules, and USB-C power delivery load switching requiring stable component supply, long-term lifecycle support, and AEC-Q101 compliance.
Supply support for NSVT489AMT1G 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 (formerly ON Semiconductor) is a global semiconductor supplier specializing in energy-efficient power, analog, sensor, and connectivity solutions for automotive, industrial, cloud, and consumer markets.
The NSVT489AMT1G belongs to onsemi's NSV-series of automotive-qualified discrete transistors, engineered specifically for high-reliability load management in portable and vehicular electronics where low conduction loss and thermal resilience are essential.
FAQ
What is the maximum continuous collector current rating for NSVT489AMT1G?
The NSVT489AMT1G is rated for 2.0 A continuous collector current (IC) at TA = 25 °C with 645 mm² of 1 oz copper on FR-4 PCB. Derating applies above 25 °C at 9.4 mW/°C, limiting usable current in high-ambient environments unless additional heatsinking is applied. This rating is confirmed in the Thermal Characteristics table of the official datasheet.
Is NSVT489AMT1G pin-compatible with NST489AMT1G?
Yes, NSVT489AMT1G and NST489AMT1G share identical TSOP-6 package (Case 318G), pinout (Style 6), electrical specifications, and thermal characteristics. The "NSV" prefix denotes AEC-Q101 qualification and PPAP capability, while "NST" is the commercial-grade variant - both are mechanically and electrically interchangeable in layout.
What is the typical VCE(sat) of NSVT489AMT1G at 1.0 A collector current?
The typical VCE(sat) of NSVT489AMT1G at IC = 1.0 A and IB = 100 mA is 0.10 V, with a maximum of 0.200 V under the same conditions. This value is specified in the Electrical Characteristics table and verified across temperature ranges from −55 °C to +125 °C in Figure 2 of the datasheet.
Does NSVT489AMT1G require a base resistor when driven by a 3.3 V microcontroller GPIO?
Yes - a base resistor is required to limit IB and ensure saturation. For 1.0 A load current and hFE ≥ 200, ~5 mA base current suffices; using a 560 Ω resistor with 3.3 V GPIO yields ~5.3 mA IB, placing NSVT489AMT1G solidly in saturation per Figure 1 and the VCE(sat) test conditions.
What is the junction-to-ambient thermal resistance (RJA) of NSVT489AMT1G under standard PCB conditions?
The NSVT489AMT1G has RJA = 106 °C/W when mounted on FR-4 with 1 oz copper and 645 mm² pad area (Note 2). With minimal copper (3.9 mm²), RJA rises to 234 °C/W - underscoring the importance of proper thermal land design to sustain rated current in NSVT489AMT1G applications.
NSVT489AMT1G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- SOT-23-6 Thin, TSOT-23-6
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- NPN
- Current - Collector (Ic) (Max):
- 2 A
- Voltage - Collector Emitter Breakdown (Max):
- 30 V
- Vce Saturation (Max) @ Ib, Ic:
- 200mV @ 100mA, 1A
- Current - Collector Cutoff (Max):
- 100nA
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 300 @ 500mA, 5V
- Power - Max:
- 535 mW
- Frequency - Transition:
- 300MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-TSOP
NSVT489AMT1G FAQ
1.How can I place an order for NSVT489AMT1G through Aetrix?
Please submit a Request for Quotation (RFQ) for NSVT489AMT1G 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 NSVT489AMT1G reliable?
The price and inventory of NSVT489AMT1G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NSVT489AMT1G is usually 5 days.
3.What payment methods are accepted for NSVT489AMT1G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NSVT489AMT1G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NSVT489AMT1G?
NSVT489AMT1G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NSVT489AMT1G 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 NSVT489AMT1G?
For technical support, including NSVT489AMT1G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NSVT489AMT1G requirements.
6.How does Aetrix verify that NSVT489AMT1G is sourced from the original manufacturer or authorized distributors?
All NSVT489AMT1G 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 NSVT489AMT1G meets industry standards.
7.What is the process for return or replacement of NSVT489AMT1G?
All NSVT489AMT1G units undergo pre-shipment inspection (PSI). If there is an issue with NSVT489AMT1G, 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 NSVT489AMT1G part is unused and in its original packaging.
Return procedure for NSVT489AMT1G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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