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Home > Products > Discrete Semiconductor Products > Transistors > Bipolar (BJT) > Single Bipolar Transistors

onsemi NSVMSD601-RT1G

Name: NSVMSD601-RT1G
Brand: onsemi
SKU: NSVMSD601-RT1G
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: NSVMSD601-RT1G

Manufacturer:: onsemi

Category:: Single Bipolar Transistors

Package:: -

Datasheet:: NSVMSD601-RT1G.pdf

Description:: TRANS NPN 50V BIPOLAR SC59-3

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Product details

Overview

NSVMSD601-RT1G from onsemi is an AEC-Q101 qualified NPN general-purpose amplifier transistor in SC-59 surface-mount package, rated for V_(BR)CEO = 50 V, I_C = 100 mA continuous, and P_D = 200 mW at T_A = 25 °C; used in automotive signal amplification and low-power switching circuits.

For engineers reviewing the NSVMSD601-RT1G datasheet, pinout, applications, or equivalent options, key selection criteria include DC current gain (h_FE = 210–340 at I_C = 2 mA), V_CE(sat) ≤ 0.5 V at I_C/I_B = 10, and −55 °C to +150 °C operating temperature range.

Technical Context

This device operates as a silicon NPN bipolar junction transistor with fixed-emitter bias configuration, supporting linear amplification and saturated switching modes. Its h_FE varies from 90 (at I_C = 100 mA) to 340 (at I_C = 2 mA), and V_CE(sat) remains ≤ 0.5 V under I_C = 100 mA / I_B = 10 mA conditions.

Thermal derating begins at T_A > 25 °C, with maximum power dissipation linearly reduced to zero at T_A = 150 °C. Junction-to-ambient thermal resistance is implied by the 200 mW rating and 150 °C T_J(max), consistent with SC-59 package characteristics.

Key Specifications

Parameter	Value and Actual Design Meaning
V_(BR)CEO	50 V - Maximum collector-emitter voltage before breakdown at I_C = 2 mA, defining safe linear operation ceiling
I_C (continuous)	100 mA - Continuous collector current limit at T_A = 25 °C, sets max steady-state load drive capability
P_D	200 mW - Max power dissipation at T_A = 25 °C; requires thermal design margin above 70 °C ambient
h_FE	210–340 - DC current gain at V_CE = 10 V, I_C = 2 mA; enables predictable base drive sizing
V_CE(sat)	≤ 0.5 V - Collector-emitter saturation voltage at I_C = 100 mA, I_B = 10 mA; ensures low conduction loss in switch mode
T_J(max)	150 °C - Maximum junction temperature; supports under-hood automotive environments per AEC-Q101

Pinout & Package

NSVMSD601-RT1G uses the SC-59 (Case 318D) surface-mount plastic package, measuring 2.90 × 1.50 × 1.15 mm with 1.90 mm lead pitch. Pin configuration follows Style 1: Pin 1 = Base, Pin 2 = Emitter, Pin 3 = Collector.

Pin/Terminal	Circuit Role	Design Meaning
1 (Base)	Current-controlled input terminal	Receives base drive current to modulate collector current; requires series resistor for bias stability
2 (Emitter)	Common reference node	Typically grounded or connected to emitter resistor for DC biasing and AC feedback control
3 (Collector)	Output current terminal	Delivers amplified/saturated output current; connects to load or next stage with appropriate pull-up/pull-down

Key Features

Feature	Design Value
AEC-Q101 qualified	Validated for automotive applications including engine control modules and body electronics requiring reliability under thermal cycling and vibration
Pb-Free, Halogen Free/BFR Free	Complies with RoHS Directive 2011/65/EU and JESD204B; eliminates hazardous substances without compromising solderability or thermal performance
V_(BR)EBO = 7.0 V	Enables robust base-emitter reverse bias tolerance in common-emitter configurations with inductive loads or transient coupling
ICEO ≤ 100 nA	Ensures minimal leakage-induced false triggering in high-impedance bias networks and battery-powered standby circuits

Applications

Automotive Door Module Driver	Low-Voltage Sensor Signal Amplifier
Use Scenario: Driving small solenoids or LEDs in door lock/unlock actuators within vehicle body control units. IC Role / Device Role / Timing Role: NPN switch providing current gain and level translation between MCU GPIO and 12 V load. Use Value: V_CE(sat) ≤ 0.5 V minimizes heat generation during repeated actuation cycles; AEC-Q101 qualification ensures field reliability.	Use Scenario: Amplifying weak analog signals from thermistors or potentiometers in HVAC control subsystems. IC Role / Device Role / Timing Role: Linear-mode NPN amplifier configured in common-emitter topology with emitter degeneration. Use Value: h_FE ≥ 210 at I_C = 2 mA enables stable gain with low base current error; T_stg = −55 °C to +150 °C supports full vehicle temperature range.
Engine Control Unit (ECU) Interface Buffer	Industrial Fan Speed Controller
Use Scenario: Isolating and buffering digital signals between microcontroller outputs and higher-current driver stages in engine management systems. IC Role / Device Role / Timing Role: Digital buffer transistor operating in saturation/cutoff with fast turn-on/turn-off transitions. Use Value: Low V_CE(sat) and tight h_FE distribution reduce propagation delay variation across temperature; SC-59 footprint eases layout in space-constrained ECUs.	Use Scenario: Controlling brushless DC fan speed via PWM-driven base current in embedded HVAC controllers. IC Role / Device Role / Timing Role: Switching transistor in low-side PWM configuration driving fan motor winding. Use Value: I_C(P) = 200 mA peak handles PWM surge currents; 150 °C T_J(max) accommodates enclosure heating near motors.

Automotive Door Module Driver

Low-Voltage Sensor Signal Amplifier

Use Scenario: Driving small solenoids or LEDs in door lock/unlock actuators within vehicle body control units.

IC Role / Device Role / Timing Role: NPN switch providing current gain and level translation between MCU GPIO and 12 V load.

Use Value: V_CE(sat) ≤ 0.5 V minimizes heat generation during repeated actuation cycles; AEC-Q101 qualification ensures field reliability.

Use Scenario: Amplifying weak analog signals from thermistors or potentiometers in HVAC control subsystems.

IC Role / Device Role / Timing Role: Linear-mode NPN amplifier configured in common-emitter topology with emitter degeneration.

Use Value: h_FE ≥ 210 at I_C = 2 mA enables stable gain with low base current error; T_stg = −55 °C to +150 °C supports full vehicle temperature range.

Engine Control Unit (ECU) Interface Buffer

Industrial Fan Speed Controller

Use Scenario: Isolating and buffering digital signals between microcontroller outputs and higher-current driver stages in engine management systems.

IC Role / Device Role / Timing Role: Digital buffer transistor operating in saturation/cutoff with fast turn-on/turn-off transitions.

Use Value: Low V_CE(sat) and tight h_FE distribution reduce propagation delay variation across temperature; SC-59 footprint eases layout in space-constrained ECUs.

Use Scenario: Controlling brushless DC fan speed via PWM-driven base current in embedded HVAC controllers.

IC Role / Device Role / Timing Role: Switching transistor in low-side PWM configuration driving fan motor winding.

Use Value: I_C(P) = 200 mA peak handles PWM surge currents; 150 °C T_J(max) accommodates enclosure heating near motors.

Equivalent & Alternatives

The following parts are listed as comparable options for similar NPN general-purpose amplifier applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
MMBT3904LT1G	V_(BR)CEO = 40 V (lower), h_FE = 100–300 (wider spread), same SC-59 package	Not AEC-Q101 qualified; suitable for commercial-grade consumer or industrial use only	Select when automotive qualification is unnecessary and lower V_CEO suffices for 5–24 V systems
BC847BW	V_(BR)CEO = 45 V, h_FE = 200–450, SOT-323 package (smaller footprint, higher thermal resistance)	Higher h_FE but lower power rating (250 mW derated); no AEC-Q101 certification	Prefer where board space is critical and thermal load is light; verify thermal margin at 100 mA

Compared with MMBT3904LT1G and BC847BW, NSVMSD601-RT1G provides higher V_(BR)CEO (50 V), guaranteed AEC-Q101 compliance, and tighter h_FE min/max bounds-making it the preferred choice for automotive signal conditioning where reliability and voltage headroom are critical.

Availability

NSVMSD601-RT1G is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor interfaces, and embedded fan control applications requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for NSVMSD601-RT1G 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 focused on energy-efficient electronics, delivering power management, analog, sensing, and connectivity solutions.

The MSD601 family delivers cost-optimized, AEC-Q101 qualified NPN transistors for automotive signal amplification and low-power switching, emphasizing thermal robustness and manufacturability in surface-mount assembly.

FAQ

What is the maximum collector-emitter voltage rating for NSVMSD601-RT1G?

The NSVMSD601-RT1G has a maximum collector-emitter breakdown voltage V_(BR)CEO of 50 Vdc at I_C = 2.0 mAdc and I_B = 0. This rating defines the absolute upper limit for collector-to-emitter voltage in active or saturated operation; exceeding it risks irreversible junction breakdown. Derating is required above 25 °C ambient per the datasheet's thermal curve.

Is NSVMSD601-RT1G suitable for automotive applications?

Yes, NSVMSD601-RT1G is explicitly AEC-Q101 qualified and PPAP capable, with the "NSV" prefix indicating compliance with automotive-specific site and change control requirements. It supports operating temperatures from −55 °C to +150 °C and meets RoHS, Pb-Free, and halogen-free standards required for modern vehicle ECUs and body electronics.

What package type does NSVMSD601-RT1G use, and what are its dimensions?

NSVMSD601-RT1G uses the SC-59 package (Case 318D), a three-pin surface-mount plastic package measuring 2.90 mm × 1.50 mm × 1.15 mm with 1.90 mm lead pitch. Pin 1 is Base, Pin 2 is Emitter, and Pin 3 is Collector-confirmed by the marking diagram and mechanical outline in the official datasheet.

What is the DC current gain (h_FE) range for NSVMSD601-RT1G under typical operating conditions?

The NSVMSD601-RT1G exhibits h_FE = 210–340 at V_CE = 10 Vdc and I_C = 2.0 mAdc, and h_FE = 90–? (max not specified) at V_CE = 2.0 Vdc and I_C = 100 mAdc. These values are measured under pulsed test conditions (≤300 µs pulse width, ≤2% duty cycle) and define base drive requirements for both linear and switching applications.

Does NSVMSD601-RT1G have any special environmental or compliance certifications?

Yes, NSVMSD601-RT1G is Pb-Free, Halogen Free/BFR Free, and RoHS compliant per Directive 2011/65/EU. The "G" suffix and microdot marking indicate Pb-Free packaging. It also meets AEC-Q101 stress testing requirements for automotive use, including temperature cycling, humidity bias, and mechanical shock validation.

NSVMSD601-RT1G Specifications

Product attributes: Attribute value

Manufacturer:: onsemi

Series:: *

Package/Case:: -

Packaging:: Tape & Reel (TR)

Product Status:: Active

Transistor Type:: -

Current - Collector (Ic) (Max):: -

Voltage - Collector Emitter Breakdown (Max):: -

Vce Saturation (Max) @ Ib, Ic:: -

Current - Collector Cutoff (Max):: -

DC Current Gain (hFE) (Min) @ Ic, Vce:: -

Power - Max:: -

Frequency - Transition:: -

Operating Temperature:: -

Grade:: -

Qualification:: -

Mounting Type:: -

Supplier Device Package:: -

NSVMSD601-RT1G FAQ

1.How can I place an order for NSVMSD601-RT1G through Aetrix?

Please submit a Request for Quotation (RFQ) for NSVMSD601-RT1G 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 NSVMSD601-RT1G reliable?

The price and inventory of NSVMSD601-RT1G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NSVMSD601-RT1G is usually 5 days.

3.What payment methods are accepted for NSVMSD601-RT1G?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NSVMSD601-RT1G transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for NSVMSD601-RT1G?

NSVMSD601-RT1G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your NSVMSD601-RT1G 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 NSVMSD601-RT1G?

For technical support, including NSVMSD601-RT1G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NSVMSD601-RT1G requirements.

6.How does Aetrix verify that NSVMSD601-RT1G is sourced from the original manufacturer or authorized distributors?

All NSVMSD601-RT1G 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 NSVMSD601-RT1G meets industry standards.

7.What is the process for return or replacement of NSVMSD601-RT1G?

All NSVMSD601-RT1G units undergo pre-shipment inspection (PSI). If there is an issue with NSVMSD601-RT1G, 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 NSVMSD601-RT1G part is unused and in its original packaging.

Return procedure for NSVMSD601-RT1G:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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