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

NXP Semiconductors 2PC1815GR,412

Name: 2PC1815GR,412
Brand: NXP Semiconductors
SKU: 2PC1815GR,412
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 2PC1815GR,412

Manufacturer:: NXP Semiconductors

Category:: Single Bipolar Transistors

Package:: TO-226-3, TO-92-3 (TO-226AA) Formed Leads

Datasheet:: 2PC1815GR,412.pdf

Description:: TRANS NPN 50V 0.15A TO-92-3

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Product details

Overview

2PC1815GR,412 from NXP Semiconductors (formerly Philips) is an NPN general-purpose bipolar junction transistor in TO-92 (SOT54) package, rated for 50 V V_CEO, 150 mA I_C, and 500 mW P_tot, with h_FE = 200–400 at I_C = 150 mA, used in audio amplifier driver stages and low-power switching circuits.

For engineers reviewing the 2PC1815GR,412 datasheet, 2PC1815GR,412 pinout, 2PC1815GR,412 application, or 2PC1815GR,412 equivalent, key selection factors include DC current gain binning (GR grade), TO-92 thermal resistance (250 K/W), V_CEsat ≤ 300 mV at 100 mA/10 mA drive, and compatibility with through-hole PCB assembly for cost-sensitive analog signal paths.

Technical Context

This discrete NPN BJT operates in linear amplification and saturated switching modes. Its h_FE binning (200–400) ensures predictable base drive requirements in emitter-follower or common-emitter configurations, while f_T = 80 MHz supports audio-frequency signal integrity without high-frequency instability.

Thermal performance is defined for FR4 PCB mounting (R_th(j-a) = 250 K/W), and absolute maximum ratings include 60 V V_CBO, 5 V V_EBO, and 150 °C T_j, enabling reliable operation in ambient temperatures up to +150 °C when derated per power dissipation limits.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	50 V - Maximum collector-emitter voltage before breakdown in common-emitter configuration; sets safe operating range for low-voltage DC supply rails.
I_C (DC)	150 mA - Continuous collector current limit; defines max load-handling capability in switching or linear amplifier stages.
h_FE	200–400 - DC current gain at V_CE = 6 V, I_C = 150 mA; determines required base current for full saturation or linear biasing.
V_CEsat	≤ 300 mV - Collector-emitter saturation voltage at I_C = 100 mA, I_B = 10 mA; minimizes conduction loss in switch-mode operation.
P_tot	500 mW - Total power dissipation at T_amb ≤ 25 °C on FR4 board; requires thermal derating above 25 °C per R_th(j-a) = 250 K/W.
f_T	80 MHz - Transition frequency at V_CE = 6 V, I_C = 1 mA; confirms suitability for audio-band amplification with margin.
C_c	2.5–3.5 pF - Collector capacitance at V_CB = 10 V; impacts high-frequency response and stability in tuned or broadband circuits.

Pinout & Package

2PC1815GR,412 is housed in a plastic single-ended leaded (through-hole) TO-92 package (SOT54, SC-43A), with 3 leads spaced on 2.54 mm pitch, designed for manual or wave-solder assembly on FR4 PCBs.

Pin/Terminal	Circuit Role	Design Meaning
1	Base	Control terminal for injecting base current; requires series resistor to limit I_B and ensure h_FE-based saturation or linear bias.
2	Collector	Main current-carrying terminal connected to load or supply rail; electrically isolated from case in TO-92 plastic package.
3	Emitter	Current return path; typically grounded in common-emitter or tied to load in emitter-follower configurations.

Key Features

Feature	Design Value
GR-grade h_FE binning	Guaranteed 200–400 h_FE at I_C = 150 mA, enabling consistent base drive design across production lots.
Low V_CEsat	≤ 300 mV at I_C = 100 mA / I_B = 10 mA reduces power loss and self-heating in switching applications.
TO-92 mechanical standardization	Compatible with legacy through-hole tooling, hand-soldering, and automated insertion equipment using JEDEC TO-92 footprint.
FR4-optimized thermal rating	R_th(j-a) = 250 K/W specified for standard FR4 board mounting-no heatsink needed below ~200 mW dissipation.

Applications

Audio Amplifier Driver Stage	Low-Voltage DC Switching
Use Scenario: Driving speaker loads or line-level signals in Class-A/B preamplifier output stages. IC Role / Device Role / Timing Role: NPN BJT configured in common-emitter or emitter-follower topology for voltage/current gain and impedance matching. Use Value: GR-grade h_FE ensures stable bias point across temperature; low V_CEsat preserves headroom and minimizes distortion at peak output.	Use Scenario: Controlling LED arrays, relays, or small solenoids from microcontroller GPIO pins. IC Role / Device Role / Timing Role: Saturated switch with base-driven turn-on/turn-off; acts as low-side current sink. Use Value: 150 mA I_C rating and ≤300 mV V_CEsat enable efficient drive of 100 mA loads with minimal GPIO current overhead.
Signal Level Shifting	Discrete Oscillator Core
Use Scenario: Translating logic-level signals between 3.3 V and 5 V domains in mixed-supply systems. IC Role / Device Role / Timing Role: Common-emitter level translator with pull-up resistor on collector, leveraging V_CEO = 50 V margin. Use Value: 50 V V_CEO and 5 V V_EBO allow safe operation across multiple rail combinations without clamping diodes.	Use Scenario: Active device in Hartley or Colpitts oscillator topologies for low-frequency timing reference generation. IC Role / Device Role / Timing Role: Gain element sustaining oscillation at audio or sub-MHz frequencies via resonant tank feedback. Use Value: f_T = 80 MHz provides ample gain-bandwidth margin; low C_c (2.5–3.5 pF) minimizes parasitic loading on LC tank.

Audio Amplifier Driver Stage

Low-Voltage DC Switching

Use Scenario: Driving speaker loads or line-level signals in Class-A/B preamplifier output stages.

IC Role / Device Role / Timing Role: NPN BJT configured in common-emitter or emitter-follower topology for voltage/current gain and impedance matching.

Use Value: GR-grade h_FE ensures stable bias point across temperature; low V_CEsat preserves headroom and minimizes distortion at peak output.

Use Scenario: Controlling LED arrays, relays, or small solenoids from microcontroller GPIO pins.

IC Role / Device Role / Timing Role: Saturated switch with base-driven turn-on/turn-off; acts as low-side current sink.

Use Value: 150 mA I_C rating and ≤300 mV V_CEsat enable efficient drive of 100 mA loads with minimal GPIO current overhead.

Signal Level Shifting

Discrete Oscillator Core

Use Scenario: Translating logic-level signals between 3.3 V and 5 V domains in mixed-supply systems.

IC Role / Device Role / Timing Role: Common-emitter level translator with pull-up resistor on collector, leveraging V_CEO = 50 V margin.

Use Value: 50 V V_CEO and 5 V V_EBO allow safe operation across multiple rail combinations without clamping diodes.

Use Scenario: Active device in Hartley or Colpitts oscillator topologies for low-frequency timing reference generation.

IC Role / Device Role / Timing Role: Gain element sustaining oscillation at audio or sub-MHz frequencies via resonant tank feedback.

Use Value: f_T = 80 MHz provides ample gain-bandwidth margin; low C_c (2.5–3.5 pF) minimizes parasitic loading on LC tank.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
BC547B	h_FE = 200–450 (similar bin), but V_CEO = 45 V and P_tot = 500 mW; TO-92 package identical.	Slightly lower voltage margin; otherwise interchangeable in ≤45 V circuits with same thermal layout.	Select BC547B where 45 V rating suffices and second-source availability is prioritized.
2N3904	h_FE = 100–300 (lower max), V_CEO = 40 V, P_tot = 625 mW; TO-92 compatible pinout.	Lower gain consistency and voltage rating; higher power dissipation margin but less gain control at high I_C.	Choose 2N3904 for legacy designs requiring wider industry availability, accepting reduced h_FE predictability at 150 mA.

Compared with BC547B and 2N3904, 2PC1815GR,412 offers superior h_FE consistency at full rated current (200–400 @ 150 mA), tighter V_CEsat spec, and 50 V V_CEO headroom-making it preferred for precision biasing and higher-voltage audio switching where gain stability matters.

Availability

2PC1815GR,412 is available at Aetrix Electronics and suitable for audio amplifier driver stages, low-voltage DC switching, signal level shifting, and discrete oscillator core applications requiring stable component supply and long-term obsolescence management.

Supply support for 2PC1815GR,412 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

NXP Semiconductors, formerly Philips Semiconductors, is a global leader in high-performance analog and discrete semiconductor solutions, headquartered in Eindhoven, Netherlands.

The 2PC1815GR,412 belongs to NXP's legacy general-purpose transistor product line, engineered for cost-effective, reliable amplification and switching in consumer audio, industrial controls, and educational electronics.

FAQ

What is the guaranteed h_FE range for 2PC1815GR,412?

The 2PC1815GR,412 is binned to guarantee h_FE = 200–400 when measured at V_CE = 6 V and I_C = 150 mA. This tight gain spread enables predictable base resistor selection and stable biasing in production designs without post-manufacture sorting.

Can 2PC1815GR,412 replace 2PC1815Y in existing designs?

Yes, 2PC1815GR,412 can replace 2PC1815Y in most cases, as both share identical package, pinout, and absolute maximum ratings. However, 2PC1815GR,412 has higher minimum h_FE (200 vs. 120) and narrower upper bound (400 vs. 240), improving gain consistency but potentially altering bias points in marginal designs.

What is the maximum allowable collector current for continuous operation of 2PC1815GR,412?

The maximum continuous collector current for 2PC1815GR,412 is 150 mA, as specified under DC conditions in the Limiting Values table. Exceeding this value risks thermal runaway or permanent degradation, especially without derating above Tamb = 25 °C per its 250 K/W junction-to-ambient thermal resistance.

Is 2PC1815GR,412 suitable for switching 12 V relay coils?

Yes, 2PC1815GR,412 is suitable for switching typical 12 V relay coils drawing ≤150 mA. With V_CEsat ≤ 300 mV at I_C = 100 mA and I_B = 10 mA, it delivers low-loss saturation and avoids excessive heating-provided base drive meets h_FE-based requirements and PCB copper area supports thermal dissipation.

Does 2PC1815GR,412 have a PNP complement, and what is its part number?

Yes, the PNP complement to 2PC1815GR,412 is 2PA1015, which shares the same TO-92 (SOT54) package, complementary voltage/current ratings (−50 V V_ECO, −150 mA I_C), and is intended for use in push-pull or differential pair configurations alongside 2PC1815GR,412.

2PC1815GR,412 Specifications

Product attributes: Attribute value

Manufacturer:: NXP Semiconductors

Series:: -

Package/Case:: TO-226-3, TO-92-3 (TO-226AA) Formed Leads

Packaging:: Tube

Product Status:: Obsolete

Transistor Type:: NPN

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

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

Vce Saturation (Max) @ Ib, Ic:: 300mV @ 10mA, 100mA

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

DC Current Gain (hFE) (Min) @ Ic, Vce:: 200 @ 2mA, 6V

Power - Max:: 500 mW

Frequency - Transition:: 80MHz

Operating Temperature:: 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: TO-92-3

2PC1815GR,412 FAQ

1.How can I place an order for 2PC1815GR,412 through Aetrix?

Please submit a Request for Quotation (RFQ) for 2PC1815GR,412 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 2PC1815GR,412 reliable?

The price and inventory of 2PC1815GR,412 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 2PC1815GR,412 is usually 5 days.

3.What payment methods are accepted for 2PC1815GR,412?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 2PC1815GR,412 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 2PC1815GR,412?

2PC1815GR,412 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 2PC1815GR,412 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 2PC1815GR,412?

For technical support, including 2PC1815GR,412 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 2PC1815GR,412 requirements.

6.How does Aetrix verify that 2PC1815GR,412 is sourced from the original manufacturer or authorized distributors?

All 2PC1815GR,412 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 2PC1815GR,412 meets industry standards.

7.What is the process for return or replacement of 2PC1815GR,412?

All 2PC1815GR,412 units undergo pre-shipment inspection (PSI). If there is an issue with 2PC1815GR,412, 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 2PC1815GR,412 part is unused and in its original packaging.

Return procedure for 2PC1815GR,412:

1.Submit a request within 90 days.

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

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