My Inquiry
My Account
Toshiba Semiconductor and Storage 2SC4116SU-Y,LF
- Part No.:
- 2SC4116SU-Y,LF
- Manufacturer:
- Toshiba Semiconductor and Storage
- Category:
- Single Bipolar Transistors
- Package:
- SC-70, SOT-323
- Datasheet:
-
2SC4116SU-Y,LF.pdf
- Description:
- TRANS NPN 50V 0.15A SC-70
- Quantity:
- Payment:
- Shipping:
Inventory:5,950
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
2SC4116SU-Y,LF from Toshiba Electronic Devices & Storage Corporation is a silicon NPN epitaxial bipolar transistor designed for low-frequency and audio-frequency amplifier applications. It delivers VCEO = 50 V, IC(max) = 150 mA, hFE = 120–240 (Y-grade), NF = 1 dB (typ.), and operates in the USM surface-mount package. It serves as an AEC-Q101-qualified general-purpose amplifier in AM radio front-ends and portable audio stages.
For engineers reviewing the 2SC4116SU-Y,LF datasheet, 2SC4116SU-Y,LF pinout, 2SC4116SU-Y,LF application, or 2SC4116SU-Y,LF equivalent, key selection criteria include its Y-grade hFE range, low-noise performance at 1 kHz, AEC-Q101 qualification status for automotive use, USM package thermal limits, and complementary pairing with 2SA1586.
Technical Context
This NPN transistor employs epitaxial base construction to achieve high hFE linearity ([email protected] / hFE@2mA = 0.95 typ.) and stable gain across collector currents from 0.1 mA to 100 mA. Its fT = 80 MHz (typ.) supports reliable operation up to mid-audio frequencies while maintaining low noise figure.
The device is rated for continuous operation at Tj ≤ 125 °C on FR4 board (25.4 mm × 25.4 mm × 1.6 mm, Cu pad 0.5 mm² × 3), with PC = 200 mW and VCEO = 50 V enabling robust biasing in single-supply amplifier topologies without saturation risk at typical audio signal swings.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 50 V - Supports rail voltages up to ±24 V in Class-A amplifiers without breakdown risk. |
| IC(max) | 150 mA - Enables drive capability for medium-power speaker drivers or preamp output stages. | hFE (Y-grade) | 120–240 - Ensures predictable DC bias stability in fixed-bias or emitter-degenerated configurations. |
| NF | 1 dB (typ.) at 1 kHz, RG = 10 kΩ - Minimizes audible noise contribution in microphone preamps and line-level stages. |
| fT | 80 MHz (typ.) - Guarantees sufficient gain margin for stable feedback design up to 20 kHz with phase margin >45°. |
| Package | USM - 3-pin surface-mount package (1: Base, 2: Emitter, 3: Collector) with 6.0 mg mass and compact footprint. |
Pinout & Package
2SC4116SU-Y,LF uses the USM (Ultra Small Mold) package: a 3-pin SOT-323-compatible outline with gull-wing leads, optimized for high-density PCB layouts and automated assembly. Thermal resistance θJA ≈ 350 °C/W on standard FR4.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Base | Current-controlled input node; requires series resistor ≥10 kΩ for stable biasing in common-emitter mode. |
| 2 | Emitter | Common reference terminal; connects directly to ground or emitter degeneration resistor in linear amplifier designs. |
| 3 | Collector | Output current sink; routed to load resistor or transformer primary with decoupling capacitor for AC coupling. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive ambient temperature range (−40 °C to +125 °C) and humidity/temperature cycling per stress test requirements. |
| High hFE linearity | hFE ratio of 0.95 (typ.) between 0.1 mA and 2 mA ensures minimal distortion in small-signal amplification. |
| Low noise figure | 1 dB (typ.) enables use in first-stage amplification where SNR preservation is critical (e.g., electret mic preamps). |
| Complementary pair | Designed as NPN counterpart to 2SA1586 PNP, enabling matched push-pull output stages with balanced thermal drift. |
Applications
| AM Radio Front-End Amplifier | Portable Audio Preamp Stage |
|---|---|
Use Scenario: Amplifies weak RF signals from ferrite rod antenna before mixer stage in battery-powered AM receivers. IC Role / Device Role / Timing Role: NPN small-signal amplifier operating in common-emitter configuration with tuned LC collector load. Use Value: Low NF (1 dB typ.) preserves weak-signal SNR; Y-grade hFE ensures consistent gain across production units without trimming. | Use Scenario: Boosts line-level audio from DAC or MP3 decoder to headphone driver input in handheld media players. IC Role / Device Role / Timing Role: DC-coupled voltage amplifier with emitter degeneration for THD <0.5% at 1 Vpp output. Use Value: High hFE linearity minimizes harmonic distortion; USM package allows placement near codec IC for short trace routing. |
| Automotive Cabin Audio Input Buffer | Industrial Sensor Signal Conditioning |
Use Scenario: Buffers analog audio inputs from infotainment head unit to amplifier module in vehicles meeting AEC-Q101 requirements. IC Role / Device Role / Timing Role: Unity-gain buffer with emitter follower topology to isolate source impedance and prevent loading. Use Value: AEC-Q101 qualification ensures reliability under automotive thermal cycling; VCEO = 50 V accommodates transients on 12 V supply rails. | Use Scenario: Amplifies low-level DC-coupled outputs from thermistor or bridge-based pressure sensors in factory automation systems. IC Role / Device Role / Timing Role: Precision DC amplifier with stable hFE over temperature (−40 °C to +85 °C). Use Value: Tight hFE spread (120–240) reduces calibration effort; low ICBO (<0.1 µA) prevents offset drift in high-impedance sensor interfaces. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NPN small-signal amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 2SC4081-Y,LF | VCEO = 50 V, hFE = 120–240, but fT = 120 MHz (typ.), NF = 1.5 dB (max) | Higher fT supports wider bandwidth; slightly higher noise limits use in ultra-low-noise mic preamps | Prefer for wideband audio or RF IF amplification where gain flatness beyond 100 kHz matters |
| MMBT3904LT1G | VCEO = 40 V, hFE = 100–300, fT = 300 MHz, NF = 5 dB (typ. at 1 kHz) | Lower VCEO restricts rail voltage; higher fT enables RF use, but higher noise degrades audio SNR | Choose for cost-sensitive consumer electronics where AEC-Q101 is not required and 40 V rating suffices |
Compared with 2SC4116SU-Y,LF, 2SC4081-Y,LF offers extended bandwidth at modest noise penalty, while MMBT3904LT1G trades AEC-Q101 compliance and low-noise advantage for broader availability and higher fT-making it suitable only where automotive qualification and sub-2-dB noise are noncritical.
Availability
2SC4116SU-Y,LF is available at Aetrix Electronics and suitable for AM radio receivers, portable audio devices, automotive cabin audio systems, and industrial sensor signal conditioning requiring stable component supply and AEC-Q101 assurance.
Supply support for 2SC4116SU-Y,LF 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
Toshiba Electronic Devices & Storage Corporation designs and manufactures discrete semiconductors, power devices, and logic ICs with emphasis on reliability, automotive qualification, and industrial longevity.
The 2SC4116SU-Y,LF belongs to Toshiba's legacy NPN transistor product line targeting low-noise, high-linearity audio and general-purpose amplification in space-constrained, thermally demanding environments.
FAQ
What is the hFE range for 2SC4116SU-Y,LF and how is it binned?
The 2SC4116SU-Y,LF is Y-grade binned with hFE = 120 to 240 at VCE = 6 V and IC = 2 mA. This binning ensures consistent DC gain across production lots, reducing need for circuit trimming in audio amplifier bias networks and improving yield in high-volume consumer audio manufacturing.
Is 2SC4116SU-Y,LF qualified for automotive applications?
Yes, 2SC4116SU-Y,LF is AEC-Q101 qualified per the official Toshiba orderable part number list. It meets stress testing requirements for temperature cycling, humidity bias, and mechanical shock, making it suitable for cabin audio, body control, and non-safety-critical automotive subsystems.
What does the ",LF" suffix indicate in 2SC4116SU-Y,LF?
The ",LF" suffix denotes lead-free (Pb-free) termination and RoHS-compliant packaging. It confirms compliance with EU RoHS Directive 2011/65/EU and Toshiba's internal environmental standards, with no exemption claims applied to this variant.
What is the maximum power dissipation for 2SC4116SU-Y,LF on a standard PCB?
2SC4116SU-Y,LF has PC = 200 mW when mounted on a 25.4 mm × 25.4 mm × 1.6 mm FR4 board with three 0.5 mm² copper pads. Derating is required above Ta = 25 °C at 1.6 mW/°C, limiting usable power to ~120 mW at 75 °C ambient.
How does the noise figure of 2SC4116SU-Y,LF compare to other USM-packaged NPN transistors?
At 1 dB (typ.) and 10 dB (max) measured at 1 kHz with RG = 10 kΩ, 2SC4116SU-Y,LF achieves among the lowest noise figures in its USM-class category-outperforming standard MMBT3904 variants (5 dB typ.) and matching premium low-noise transistors like PN2222A in similar configurations.
2SC4116SU-Y,LF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Toshiba Semiconductor and Storage
- Series:
- -
- Package/Case:
- SC-70, SOT-323
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Transistor Type:
- NPN
- Current - Collector (Ic) (Max):
- 150 mA
- Voltage - Collector Emitter Breakdown (Max):
- 50 V
- Vce Saturation (Max) @ Ib, Ic:
- 250mV @ 10mA, 100mA
- Current - Collector Cutoff (Max):
- 100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 70 @ 2mA, 6V
- Power - Max:
- 100 mW
- Frequency - Transition:
- 80MHz
- Operating Temperature:
- 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SC-70
2SC4116SU-Y,LF FAQ
1.How can I place an order for 2SC4116SU-Y,LF through Aetrix?
Please submit a Request for Quotation (RFQ) for 2SC4116SU-Y,LF 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 2SC4116SU-Y,LF reliable?
The price and inventory of 2SC4116SU-Y,LF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 2SC4116SU-Y,LF is usually 5 days.
3.What payment methods are accepted for 2SC4116SU-Y,LF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 2SC4116SU-Y,LF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 2SC4116SU-Y,LF?
2SC4116SU-Y,LF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 2SC4116SU-Y,LF 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 2SC4116SU-Y,LF?
For technical support, including 2SC4116SU-Y,LF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 2SC4116SU-Y,LF requirements.
6.How does Aetrix verify that 2SC4116SU-Y,LF is sourced from the original manufacturer or authorized distributors?
All 2SC4116SU-Y,LF 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 2SC4116SU-Y,LF meets industry standards.
7.What is the process for return or replacement of 2SC4116SU-Y,LF?
All 2SC4116SU-Y,LF units undergo pre-shipment inspection (PSI). If there is an issue with 2SC4116SU-Y,LF, 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 2SC4116SU-Y,LF part is unused and in its original packaging.
Return procedure for 2SC4116SU-Y,LF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
2SC4116SU-Y,LF Tags
-
MMBT3906LT1G
onsemi
-
MMBT3904-7-F
Diodes Incorporated
-
MMBT3904LT1G
onsemi
-
MMBT3906-7-F
Diodes Incorporated
-
MMBT3904-TP
Micro Commercial Co
-
MMBT2222A-7-F
Diodes Incorporated
-
BC846BLT1G
onsemi
-
BC847B,215
Nexperia USA Inc.
-
SMMBT3904LT1G
onsemi
-
MMBT2222A-TP
Micro Commercial Co
-
MMBTA06LT1G
onsemi
-
MMBT2222ALT1G
onsemi
Tech Hub
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
