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

onsemi NSS12100UW3TCG

Name: NSS12100UW3TCG
Brand: onsemi
SKU: NSS12100UW3TCG
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: NSS12100UW3TCG

Manufacturer:: onsemi

Category:: Single Bipolar Transistors

Package:: 3-WDFN Exposed Pad

Datasheet:: NSS12100UW3TCG.pdf

Description:: TRANS PNP 12V 1A 3WDFN

Quantity:: RFQ Add To RFQ list

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Product details

Overview

NSS12100UW3TCG from onsemi is a PNP low V_CE(sat) transistor rated for −12 V V_CEO, −1.0 A continuous collector current, and 740 mW power dissipation at T_A = 25 °C. It delivers ultra-low saturation voltage (−0.200 V typical at I_C = −0.5 A, I_B = −0.05 A), high DC current gain (h_FE = 100 min at I_C = −500 mA), and operates in portable DC-DC converters requiring efficient low-voltage switching.

For engineers reviewing the NSS12100UW3TCG datasheet, pinout, applications, or equivalent options, key selection criteria include verified V_CE(sat) performance at 500 mA, WDFN3 package thermal resistance (R_JA = 169 °C/W on FR-4 @ 100 mm²), AEC-Q101 qualification status, and direct drive compatibility with PMU control outputs.

Technical Context

This PNP bipolar junction transistor uses epitaxial base construction to achieve high current gain and fast switching (t_d = 20 ns, t_r = 90 ns, t_s = 140 ns, t_f = 100 ns at V_CC = −10 V, I_C = 750 mA). Its low V_CE(sat) minimizes conduction loss in battery-powered load switching and motor control circuits.

The device features an exposed thermal pad in the WDFN3 (Case 506AU) package, enabling enhanced heat dissipation-critical for sustained 1 A operation in compact layouts. Its f_T = 200 MHz supports analog amplifier use, while C_ibo = 40 pF and C_obo = 15 pF ensure stable high-frequency behavior in switching regulators.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	−12 V - Maximum reverse-biased collector-emitter voltage before breakdown; defines safe operating range in low-voltage PNP switch applications.
I_C (continuous)	−1.0 A - Continuous collector current rating; supports high-current loads like disc drive motors without derating at 25 °C.
V_CE(sat) (typ)	−0.200 V @ I_C = −0.5 A, I_B = −0.05 A - Ultra-low saturation voltage reduces power loss (P_loss ≈ 100 mW), extending battery life in portable systems.
h_FE (min)	100 @ I_C = −500 mA - High DC current gain enables direct drive from low-current PMU outputs without external buffer stages.
R_JA	169 °C/W - Thermal resistance on standard FR-4 board (100 mm² copper); determines junction temperature rise under 740 mW dissipation.
f_T	200 MHz - Current-gain bandwidth product; confirms suitability for small-signal amplification and high-speed switching up to ~100 MHz.
AEC-Q101	Qualified - Meets automotive-grade reliability requirements for airbag deployment and instrument cluster applications.

Pinout & Package

Package: WDFN3 (Case 506AU), 2.0 × 2.0 mm body, 0.75 mm height, exposed thermal pad, Pb-free, RoHS compliant. Designed for high thermal efficiency and space-constrained PCB layouts.

Pin/Terminal	Circuit Role	Design Meaning
1 (Collector)	Current sink node	Connected to load return path; handles full −1.0 A continuous current and must be routed with adequate copper area for thermal management.
2 (Base)	Control input	Receives negative bias current (I_B = −0.1 A max for I_C = −1.0 A); requires series resistor to limit drive current from controller.
3 (Emitter)	Power rail reference	Typically tied to positive supply rail in high-side switch configuration; forms common reference for V_BE and V_CE biasing.

Key Features

Feature	Design Value
Ultra-low V_CE(sat)	−0.200 V typical at 500 mA enables >95% efficiency in 3.3 V/5 V load switches, reducing heat generation and PCB area.
High h_FE linearity	h_FE = 200–400 at low I_C, 75–250 at high I_C - supports both precision analog amplification and robust digital switching across operating range.
Automotive qualification	AEC-Q101 qualified with PPAP capability - validated for safety-critical functions including airbag deployment circuitry.
Thermal-enhanced WDFN3	Exposed pad + low R_JA (110 °C/W on 500 mm² copper) allows 1.1 W dissipation - supports higher peak loads without thermal shutdown.
Low noise & capacitance	NF = 5.0 dB @ 1 kHz; C_ibo = 40 pF, C_obo = 15 pF - ensures minimal signal distortion in audio and feedback loop applications.

Applications

Battery-Powered DC-DC Converters	Automotive Instrument Clusters
Use Scenario: Step-down regulation in smartphone power management ICs supplying core logic rails. IC Role / Device Role / Timing Role: PNP high-side switch controlling synchronous rectifier gate drive or auxiliary LDO enable. Use Value: −0.200 V V_CE(sat) at 500 mA reduces dropout loss by 40% vs. standard PNP transistors, improving conversion efficiency by ≥2.5% at light-to-moderate loads.	Use Scenario: Backlight dimming and gauge driver control in automotive digital dashboards. IC Role / Device Role / Timing Role: Low-noise linear current source for LED current regulation and analog sensor interface buffering. Use Value: h_FE stability over −55 °C to +150 °C and AEC-Q101 qualification ensure consistent brightness control and EMI immunity across vehicle lifetime.
Portable Storage Motor Control	PMU-Driven Load Switching
Use Scenario: Spindle and voice coil motor control in USB-powered external SSD enclosures. IC Role / Device Role / Timing Role: High-current PNP switch enabling/disabling motor power rails with fast turn-off (t_f = 100 ns). Use Value: 1.0 A continuous rating and −12 V V_CEO support 5 V/12 V dual-rail motor drivers; low V_CE(sat) prevents thermal throttling during burst-mode operation.	Use Scenario: System-level power domain isolation in multi-core SoC platforms (e.g., tablet AP+GPU subsystems). IC Role / Device Role / Timing Role: Directly driven load switch activated by PMU GPIO with no level-shifting or buffer required. Use Value: h_FE ≥ 100 at 500 mA allows full 1 A switching with ≤5 mA base drive - eliminates external driver ICs and saves BOM cost and board space.

Battery-Powered DC-DC Converters

Automotive Instrument Clusters

Use Scenario: Step-down regulation in smartphone power management ICs supplying core logic rails.

IC Role / Device Role / Timing Role: PNP high-side switch controlling synchronous rectifier gate drive or auxiliary LDO enable.

Use Value: −0.200 V V_CE(sat) at 500 mA reduces dropout loss by 40% vs. standard PNP transistors, improving conversion efficiency by ≥2.5% at light-to-moderate loads.

Use Scenario: Backlight dimming and gauge driver control in automotive digital dashboards.

IC Role / Device Role / Timing Role: Low-noise linear current source for LED current regulation and analog sensor interface buffering.

Use Value: h_FE stability over −55 °C to +150 °C and AEC-Q101 qualification ensure consistent brightness control and EMI immunity across vehicle lifetime.

Portable Storage Motor Control

PMU-Driven Load Switching

Use Scenario: Spindle and voice coil motor control in USB-powered external SSD enclosures.

IC Role / Device Role / Timing Role: High-current PNP switch enabling/disabling motor power rails with fast turn-off (t_f = 100 ns).

Use Value: 1.0 A continuous rating and −12 V V_CEO support 5 V/12 V dual-rail motor drivers; low V_CE(sat) prevents thermal throttling during burst-mode operation.

Use Scenario: System-level power domain isolation in multi-core SoC platforms (e.g., tablet AP+GPU subsystems).

IC Role / Device Role / Timing Role: Directly driven load switch activated by PMU GPIO with no level-shifting or buffer required.

Use Value: h_FE ≥ 100 at 500 mA allows full 1 A switching with ≤5 mA base drive - eliminates external driver ICs and saves BOM cost and board space.

Equivalent & Alternatives

The following parts are listed as comparable options for similar PNP low V_CE(sat) transistor applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
DMT3002LPSQ-13	−20 V V_CEO, −2.0 A I_C, SOT-23 package, V_CE(sat) = −0.25 V @ 1 A - higher voltage rating but larger R_JA (200 °C/W).	Preferred for 12–20 V industrial controls; less suitable for space-constrained portable designs due to larger footprint and thermal limitations.	Select when higher blocking voltage and higher peak current are required, and board area permits SOT-23 layout.
NSV12100UW3TCG	Identical electrical specs and WDFN3 package; differs only in marking (NSV prefix) and automotive traceability - fully AEC-Q101 qualified with PPAP documentation.	Required for Tier-1 automotive programs demanding site-specific change control and full PPAP submission.	Choose NSV12100UW3TCG when automotive compliance documentation (e.g., control plan, PSW) is mandatory; otherwise NSS12100UW3TCG is functionally identical.

Compared with DMT3002LPSQ-13, NSS12100UW3TCG offers superior thermal performance in compact layouts and tighter V_CE(sat) tolerance at 500 mA, while NSV12100UW3TCG provides identical silicon with added automotive process traceability-making NSS12100UW3TCG optimal for cost-sensitive industrial and consumer designs where AEC-Q101 is not mandated.

Availability

NSS12100UW3TCG is available at Aetrix Electronics and suitable for battery-powered DC-DC converters, automotive instrument clusters, and portable storage motor control requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant sourcing.

Supply support for NSS12100UW3TCG 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 manufacturer specializing in energy-efficient power, analog, sensing, and connectivity solutions for automotive, industrial, computing, and consumer markets.

The NSS12100UW3TCG belongs to the e2PowerEdge family of low V_CE(sat) transistors, engineered specifically for high-efficiency, low-voltage switching in portable and automotive power management systems.

FAQ

What is the maximum continuous collector current rating for NSS12100UW3TCG?

The NSS12100UW3TCG has a maximum continuous collector current (I_C) rating of −1.0 A at T_A = 25 °C. Derating is required above 25 °C per the specified 6.0 mW/°C thermal derating curve on FR-4 with 100 mm² copper. This rating is validated under pulsed test conditions (pulse width = 300 µs, duty cycle ≤ 2%) and applies to steady-state operation with appropriate PCB thermal design.

Is NSS12100UW3TCG suitable for automotive applications?

Yes, NSS12100UW3TCG is AEC-Q101 qualified and PPAP capable, making it suitable for automotive applications such as airbag deployment circuits and instrument cluster power management. Its guaranteed operation from −55 °C to +150 °C, HBM Class 3B ESD rating, and automotive-grade process controls meet stringent automotive reliability requirements.

What package type does NSS12100UW3TCG use, and what are its thermal characteristics?

NSS12100UW3TCG uses the WDFN3 (Case 506AU) package-a 2.0 × 2.0 mm, 3-terminal leadless package with an exposed thermal pad. Its thermal resistance is R_JA = 169 °C/W on FR-4 with 100 mm² copper, and R_JA = 110 °C/W on 500 mm² copper. The exposed pad must be soldered to a thermal plane for optimal heat dissipation.

How does the V_CE(sat) of NSS12100UW3TCG compare at different operating currents?

NSS12100UW3TCG achieves −0.200 V typical V_CE(sat) at I_C = −0.5 A and I_B = −0.05 A, −0.400 V max at I_C = −1.0 A and I_B = −0.100 A, and −0.030 V typical at I_C = −0.05 A. This ultra-low saturation voltage improves efficiency across light-load to full-load conditions in portable power systems.

Can NSS12100UW3TCG be used in analog amplifier configurations?

Yes, NSS12100UW3TCG supports analog amplifier use due to its f_T = 200 MHz, linear h_FE behavior (200–400 at low I_C, 75–250 at high I_C), and low noise figure (NF = 5.0 dB @ 1 kHz). Its V_BE(on) = −1.05 V typical and stable gain make it suitable for low-noise preamplifier and sensor signal conditioning stages.

NSS12100UW3TCG Specifications

Product attributes: Attribute value

Manufacturer:: onsemi

Series:: -

Package/Case:: 3-WDFN Exposed Pad

Packaging:: Tape & Reel (TR)

Product Status:: Active

Transistor Type:: PNP

Current - Collector (Ic) (Max):: 1 A

Voltage - Collector Emitter Breakdown (Max):: 12 V

Vce Saturation (Max) @ Ib, Ic:: 440mV @ 100mA, 1A

Current - Collector Cutoff (Max):: 100nA (ICBO)

DC Current Gain (hFE) (Min) @ Ic, Vce:: 100 @ 500mA, 2V

Power - Max:: 740 mW

Frequency - Transition:: 200MHz

Operating Temperature:: -55°C ~ 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 3-WDFN (2x2)

NSS12100UW3TCG FAQ

1.How can I place an order for NSS12100UW3TCG through Aetrix?

Please submit a Request for Quotation (RFQ) for NSS12100UW3TCG 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 NSS12100UW3TCG reliable?

The price and inventory of NSS12100UW3TCG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NSS12100UW3TCG is usually 5 days.

3.What payment methods are accepted for NSS12100UW3TCG?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NSS12100UW3TCG transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for NSS12100UW3TCG?

NSS12100UW3TCG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your NSS12100UW3TCG 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 NSS12100UW3TCG?

For technical support, including NSS12100UW3TCG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NSS12100UW3TCG requirements.

6.How does Aetrix verify that NSS12100UW3TCG is sourced from the original manufacturer or authorized distributors?

All NSS12100UW3TCG 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 NSS12100UW3TCG meets industry standards.

7.What is the process for return or replacement of NSS12100UW3TCG?

All NSS12100UW3TCG units undergo pre-shipment inspection (PSI). If there is an issue with NSS12100UW3TCG, 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 NSS12100UW3TCG part is unused and in its original packaging.

Return procedure for NSS12100UW3TCG:

1.Submit a request within 90 days.

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

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