Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

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

NXP Semiconductors 2PA1774Q,115

Name: 2PA1774Q,115
Brand: NXP Semiconductors
SKU: 2PA1774Q,115
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: 2PA1774Q,115

Manufacturer:: NXP Semiconductors

Category:: Single Bipolar Transistors

Package:: SC-75, SOT-416

Datasheet:: 2PA1774Q,115.pdf

Description:: TRANS PNP 50V 0.15A SC-75

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:9,594

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

2PA1774Q,115 from Nexperia is a PNP general-purpose bipolar junction transistor in SOT416 (SC-75) package, rated for −50 V V_CEO, −150 mA I_C, and 150 mW P_tot, with DC current gain h_FE of 120–270 at I_C = −1 mA. It serves as a low-voltage, low-current switch or amplifier in compact consumer and EDP signal paths.

For engineers reviewing the 2PA1774Q,115 datasheet, 2PA1774Q,115 pinout, 2PA1774Q,115 application, or 2PA1774Q,115 equivalent, key selection criteria include its SOT416 footprint compatibility, −50 V breakdown rating, −200 mV V_CEsat at −50 mA/−5 mA drive, 100 MHz f_T, and thermal resistance of 833 K/W on FR4.

Technical Context

This PNP BJT operates in active or saturation mode for linear amplification or digital switching. Its h_FE range (120–270) supports predictable biasing across production lots, and its 2.2 pF C_c enables stable operation up to 100 MHz f_T under specified conditions (I_E = −2 mA, V_CE = −12 V).

Designed for surface-mount use on standard FR4 PCBs, it features low thermal resistance (R_th(j-a) = 833 K/W) and tight leakage control: ICBO ≤ −100 nA at 25 °C and ≤ −5 μA at 150 °C, supporting reliable performance in ambient temperatures from −65 °C to +150 °C.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	−50 V - Maximum collector-emitter voltage before breakdown under open-base condition; defines safe operating voltage in switching applications.
I_C (DC)	−150 mA - Continuous collector current limit; sets maximum steady-state load-handling capability.
P_tot	150 mW - Total power dissipation at T_amb ≤ 25 °C; constrains usable current/voltage combinations on standard FR4.
h_FE	120–270 - DC current gain at I_C = −1 mA, V_CE = −6 V; enables stable base-drive calculation for switching or amplification.
V_CEsat	−200 mV - Saturation voltage at I_C = −50 mA, I_B = −5 mA; ensures low conduction loss in on-state switching.
f_T	100 MHz - Transition frequency at I_E = −2 mA, V_CE = −12 V; confirms suitability for RF-coupled or high-speed digital interface buffering.

Pinout & Package

SOT416 (SC-75) is a 3-lead plastic surface-mount package measuring 1.75 mm × 0.95 mm × 0.5 mm (L × W × H), optimized for space-constrained consumer and portable electronics layouts.

Pin/Terminal	Circuit Role	Design Meaning
1	Base	Current-controlled input terminal; requires external resistor-based biasing to set operating point in active or saturation region.
2	Emitter	Common reference terminal for PNP configuration; connected to higher potential rail in typical common-emitter switch topology.
3	Collector	Output current terminal; sinks current from load to emitter when base is forward-biased; polarity-sensitive for PNP operation.

Key Features

Feature	Design Value
Low-profile SOT416 package	Enables placement in ultra-thin consumer devices and high-density PCBs without height interference.
Controlled h_FE spread (120–270)	Reduces need for binning or trim resistors in production designs requiring consistent gain behavior.
−200 mV V_CEsat at rated current	Minimizes power loss and self-heating during sustained on-state operation in battery-powered systems.
100 MHz f_T	Supports clean signal integrity in audio preamp stages and clock buffer circuits up to mid-VHF range.

Applications

Audio Signal Switching	EDP Peripheral Control
Use Scenario: Muting or routing analog audio signals between codecs and headphone amplifiers in portable media players. IC Role / Device Role / Timing Role: PNP transistor configured as a grounded-emitter analog switch, controlled by logic-level base drive. Use Value: Low V_CEsat (−200 mV) preserves signal headroom; low C_c (2.2 pF) avoids high-frequency roll-off in 20 Hz–20 kHz band.	Use Scenario: Enabling/disabling USB or UART peripheral power rails in embedded computing modules. IC Role / Device Role / Timing Role: Low-side switch controlling 3.3 V or 5 V supply to auxiliary ICs via emitter-follower or common-emitter topology. Use Value: −50 V V_CEO provides margin against transient spikes; 150 mW P_tot allows continuous duty-cycle operation at 100 mA loads.
Consumer Remote IR Driver	Low-Power Sensor Interface
Use Scenario: Driving infrared LED pulses in TV remote controls using microcontroller GPIO outputs. IC Role / Device Role / Timing Role: Digital switch amplifying MCU output to deliver ≥100 mA peak current to IR LED string. Use Value: −200 mV V_CEsat maximizes LED forward voltage margin; 200 mA I_CM supports short-duration burst driving.	Use Scenario: Level-shifting or buffering analog outputs from temperature or motion sensors to ADC inputs. IC Role / Device Role / Timing Role: Emitter-follower buffer isolating high-impedance sensor output from noisy digital domains. Use Value: h_FE ≥ 120 ensures low output impedance (<100 Ω); low ICBO (≤−100 nA) prevents offset drift in precision DC-coupled paths.

Audio Signal Switching

EDP Peripheral Control

Use Scenario: Muting or routing analog audio signals between codecs and headphone amplifiers in portable media players.

IC Role / Device Role / Timing Role: PNP transistor configured as a grounded-emitter analog switch, controlled by logic-level base drive.

Use Value: Low V_CEsat (−200 mV) preserves signal headroom; low C_c (2.2 pF) avoids high-frequency roll-off in 20 Hz–20 kHz band.

Use Scenario: Enabling/disabling USB or UART peripheral power rails in embedded computing modules.

IC Role / Device Role / Timing Role: Low-side switch controlling 3.3 V or 5 V supply to auxiliary ICs via emitter-follower or common-emitter topology.

Use Value: −50 V V_CEO provides margin against transient spikes; 150 mW P_tot allows continuous duty-cycle operation at 100 mA loads.

Consumer Remote IR Driver

Low-Power Sensor Interface

Use Scenario: Driving infrared LED pulses in TV remote controls using microcontroller GPIO outputs.

IC Role / Device Role / Timing Role: Digital switch amplifying MCU output to deliver ≥100 mA peak current to IR LED string.

Use Value: −200 mV V_CEsat maximizes LED forward voltage margin; 200 mA I_CM supports short-duration burst driving.

Use Scenario: Level-shifting or buffering analog outputs from temperature or motion sensors to ADC inputs.

IC Role / Device Role / Timing Role: Emitter-follower buffer isolating high-impedance sensor output from noisy digital domains.

Use Value: h_FE ≥ 120 ensures low output impedance (<100 Ω); low ICBO (≤−100 nA) prevents offset drift in precision DC-coupled paths.

Equivalent & Alternatives

The following parts are listed as comparable options for similar PNP transistor applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
2PA1774R	Higher h_FE range (180–390) at same test conditions; identical V_CEO, I_C, package, and pinout.	Preferred where tighter base-drive tolerance or higher gain stability is required in amplification stages.	Select 2PA1774R when circuit gain sensitivity demands h_FE > 180 minimum; otherwise 2PA1774Q suffices for cost-sensitive switching.
BC807-16	Same SOT23 package (not SOT416); h_FE = 100–250; V_CEO = −45 V; P_tot = 310 mW; different pinout (1=emitter, 2=base, 3=collector).	Requires PCB layout change; suitable where higher power handling or legacy SOT23 footprint is mandated.	Choose BC807-16 only if board redesign is acceptable and 310 mW dissipation is needed; not drop-in compatible.

Compared with 2PA1774R and BC807-16, the 2PA1774Q,115 offers the narrowest h_FE spread among its own variant family and the smallest footprint (SOT416), making it optimal for space-constrained, cost-driven PNP switching where moderate gain consistency suffices.

Availability

2PA1774Q,115 is available at Aetrix Electronics and suitable for consumer remote controls, portable audio muting circuits, and EDP peripheral enable functions requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.

Supply support for 2PA1774Q,115 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

Nexperia is a global leader in discrete, logic, and PowerMOS semiconductors, spun off from NXP in 2017 and focused on automotive, industrial, computing, and consumer markets.

The 2PA1774Q,115 belongs to Nexperia's general-purpose bipolar transistor product line, engineered for reliable low-voltage switching and amplification in cost-sensitive, high-volume portable electronics.

FAQ

What is the maximum collector-emitter voltage rating for the 2PA1774Q,115?

The 2PA1774Q,115 has a maximum collector-emitter voltage (V_CEO) rating of −50 V under open-base conditions. This value defines the upper limit for safe DC or peak pulse voltage applied between collector and emitter without risking avalanche breakdown. Exceeding this rating may cause permanent device failure. The 2PA1774Q,115 must be used within this absolute maximum rating in all operating configurations.

What is the DC current gain (h_FE) range of the 2PA1774Q,115 and under what conditions is it specified?

The 2PA1774Q,115 exhibits a DC current gain (h_FE) range of 120 to 270, measured at I_C = −1 mA and V_CE = −6 V with ambient temperature at 25 °C. This gain window reflects production lot variation and supports robust bias network design without trimming. The 2PA1774Q,115 data sheet specifies no minimum h_FE below 120 under these exact conditions.

Does the 2PA1774Q,115 have a guaranteed maximum saturation voltage, and what test conditions apply?

Yes, the 2PA1774Q,115 guarantees a maximum collector-emitter saturation voltage (V_CEsat) of −200 mV, tested at I_C = −50 mA and I_B = −5 mA. This specification ensures predictable on-state loss in switching applications. The 2PA1774Q,115 achieves this performance in its native SOT416 package mounted on standard FR4 PCB with single-sided copper.

What is the thermal resistance from junction to ambient (R_th(j-a)) for the 2PA1774Q,115, and how is it measured?

The thermal resistance from junction to ambient (R_th(j-a)) for the 2PA1774Q,115 is 833 K/W, measured with the device mounted on an FR4 printed-circuit board featuring single-sided copper, tin-plated finish, and standard SOT416 footprint. This value applies at T_amb ≤ 25 °C and defines the worst-case temperature rise per watt of dissipated power under those standardized board conditions. The 2PA1774Q,115 datasheet does not specify R_th(j-a) for other board constructions.

Is the 2PA1774Q,115 pin-compatible with the NPN complement 2PC4617?

No, the 2PA1774Q,115 is not pin-compatible with the 2PC4617. Although both are in SOT416 packages and share identical physical pin numbering (Pin 1 = base, Pin 2 = emitter, Pin 3 = collector), their complementary polarity means direct substitution would reverse circuit functionality. The 2PA1774Q,115 is a PNP device while 2PC4617 is NPN; interchanging them without topology revision will prevent proper operation. The 2PA1774Q,115 requires emitter-connected-to-rail configuration, unlike the 2PC4617.

2PA1774Q,115 Specifications

Product attributes: Attribute value

Manufacturer:: NXP Semiconductors

Series:: -

Package/Case:: SC-75, SOT-416

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Transistor Type:: PNP

Current - Collector (Ic) (Max):: 150 mA

Voltage - Collector Emitter Breakdown (Max):: 50 V

Vce Saturation (Max) @ Ib, Ic:: 200mV @ 5mA, 50mA

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

DC Current Gain (hFE) (Min) @ Ic, Vce:: 120 @ 1mA, 6V

Power - Max:: 150 mW

Frequency - Transition:: 100MHz

Operating Temperature:: 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SC-75

2PA1774Q,115 FAQ

1.How can I place an order for 2PA1774Q,115 through Aetrix?

Please submit a Request for Quotation (RFQ) for 2PA1774Q,115 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 2PA1774Q,115 reliable?

The price and inventory of 2PA1774Q,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 2PA1774Q,115 is usually 5 days.

3.What payment methods are accepted for 2PA1774Q,115?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 2PA1774Q,115 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 2PA1774Q,115?

2PA1774Q,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 2PA1774Q,115 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 2PA1774Q,115?

For technical support, including 2PA1774Q,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 2PA1774Q,115 requirements.

6.How does Aetrix verify that 2PA1774Q,115 is sourced from the original manufacturer or authorized distributors?

All 2PA1774Q,115 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 2PA1774Q,115 meets industry standards.

7.What is the process for return or replacement of 2PA1774Q,115?

All 2PA1774Q,115 units undergo pre-shipment inspection (PSI). If there is an issue with 2PA1774Q,115, 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 2PA1774Q,115 part is unused and in its original packaging.

Return procedure for 2PA1774Q,115:

1.Submit a request within 90 days.

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

Tech Hub

2026-09-03 Logic Level Shifter: How to Connect 3.3V and 5V Logic Safely

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.

2026-09-03 74HC595 vs TPIC6B595: Output Drive, Pinout, Current, and Load Selection

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…

2026-09-01 74HC595 Pinout, Timing, Output Current, and Applications

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…

2026-09-01 Latch vs Flip-Flop: Timing, Differences and Design Choices

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…

2026-08-30 D Latch Circuit: Truth Table, Timing, ICs and Applications

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 …

2026-08-28 SR Latch Explained: NOR and NAND Circuits, Truth Tables, and Applications

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…

2026-08-27 Latch Circuit: SR and D Latches, Truth Tables, Timing, and Applications

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…

2026-08-21 What Is an LED Driver? Types, Circuits, Dimming, and Selection

An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…

2026-08-18 Operational Amplifier (Op Amp): Basics, Configurations, Feedback and Applications

Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…

2026-08-14 Jumper Cables: How to Use, Connect and Choose Them Safely

Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…