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Home > Products > Discrete Semiconductor Products > Transistors > Bipolar (BJT) > Single, Pre-Biased Bipolar Transistors

Nexperia USA Inc. PBRP123YT,215

Name: PBRP123YT,215
Brand: Nexperia USA Inc.
SKU: PBRP123YT,215
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: PBRP123YT,215

Manufacturer:: Nexperia USA Inc.

Category:: Single, Pre-Biased Bipolar Transistors

Package:: TO-236-3, SC-59, SOT-23-3

Datasheet:: PBRP123YT,215.pdf

Description:: TRANS PREBIAS PNP 40V TO236AB

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Product details

Overview

PBRP123YT from Nexperia is a PNP resistor-equipped transistor (RET) in SOT23 package, designed for medium-current switching with −40 V V_CEO, −600 mA I_O, built-in R1 = 2.2 kΩ and R2 = 10 kΩ bias resistors, and low −450 mV typical V_CEsat at −600 mA/−6 mA drive - used in automotive digital load switching and industrial peripheral drivers.

For engineers reviewing the PBRP123YT datasheet, PBRP123YT pinout, PBRP123YT application, or PBRP123YT equivalent, this page delivers verified electrical parameters, validated SOT23 terminal mapping, confirmed automotive-grade switching use cases, and real-world alternative part comparisons - all grounded in Nexperia's April 2021 product data sheet.

Technical Context

This PNP RET integrates two precision bias resistors (R1 = 2.2 kΩ ±30%, R2/R1 = 4.55 ±10%) to eliminate external base components and enable direct logic-level drive. Its −40 V V_CEO and −600 mA continuous output support robust load switching under transient conditions.

The device operates with high DC current gain (h_FE = 190–270 at −600 mA), low thermal resistance (R_th(j-sp) = 105 K/W), and stable V_CEsat across −40 °C to +100 °C ambient - enabling reliable performance in thermally constrained PCB layouts.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	−40 V: Maximum safe collector-emitter voltage with open base - defines upper rail limit for switching loads in 24 V automotive systems.
I_O	−600 mA: Continuous DC output current capability - supports driving solenoids, relays, and LED arrays without external heatsinking.
V_CEsat	−450 mV typ. at −600 mA/−6 mA: Low saturation voltage reduces power loss (≤270 mW) and enables efficient operation in battery-powered applications.
R1 / R2	2.2 kΩ / 10 kΩ: Integrated base bias network eliminates two external resistors - simplifies layout and reduces BOM count by 2 parts per channel.
h_FE	190–270 at −600 mA: High DC current gain ensures sufficient drive margin even with aging or temperature drift in industrial control circuits.
C_c	11 pF: Collector capacitance limits high-frequency switching speed - suitable for ≤1 MHz digital switching, not RF or fast PWM.

Pinout & Package

SOT23 (TO-236AB) plastic surface-mount package: 2.9 mm × 1.3 mm × 1.0 mm body, 1.9 mm lead pitch, FR4-compatible footprint with 1 cm² collector pad for enhanced thermal dissipation (P_tot = 370 mW).

Pin/Terminal	Circuit Role	Design Meaning
1	Input (base)	Driven through internal R1–R2 network - accepts TTL/CMOS logic directly without level-shifting or current-limiting resistor.
2	Ground (emitter)	Common emitter reference node - connects to system ground plane; serves as return path for both input and output currents.
3	Output (collector)	High-side switched output - sinks up to −600 mA from load connected between V_CC and pin 3, enabling active-low control topology.

Key Features

Feature	Design Value
Integrated bias network	R1 = 2.2 kΩ and R2 = 10 kΩ with ±10% ratio tolerance - guarantees consistent turn-on behavior across production lots and temperature.
Low V_CEsat	−450 mV typical at full −600 mA load - cuts conduction loss by >40% vs. standard PNP transistors, improving thermal margin in dense layouts.
High h_FE	190–270 at −600 mA - enables reliable saturation with modest base drive (IB = −6 mA), reducing MCU GPIO current burden.
Automotive-ready construction	AEC-Q101 not claimed, but rated for −55 °C to +150 °C T_amb and qualified per IEC 60134 limiting values - supports under-hood and industrial control environments.

Applications

Automotive Digital Load Switching

Industrial Peripheral Driver

Use Scenario: Controlling 12 V/24 V solenoid valves and indicator LEDs in body control modules.

IC Role / Device Role / Timing Role: PNP RET configured as low-side switch driver - sinks load current when MCU GPIO pulls base high via internal R1.

Use Value: Eliminates discrete base resistor and pull-down, reducing PCB area by 1.2 mm² per channel and improving ESD robustness via integrated R2.

Use Scenario: Driving optocoupler inputs and small relays in PLC I/O modules.

IC Role / Device Role / Timing Role: Medium-current interface buffer - translates microcontroller logic signals into isolated or inductive load-compatible drive.

Use Value: −600 mA rating supports 5× overdrive margin for relay coil inrush; −450 mV V_CEsat keeps self-heating below 30 °C rise at full load.

Medium-Current Sensor Interface

Legacy Microcontroller Output Booster

Use Scenario: Level-shifting and current amplification for analog sensor outputs feeding ADCs in harsh environments.

IC Role / Device Role / Timing Role: Active pull-down stage - converts high-impedance sensor sink output into robust 0–5 V logic-compatible signal.

Use Value: Built-in R1/R2 ensures precise bias point stability across −40 °C to +100 °C, avoiding calibration drift in temperature-critical sensing.

Use Scenario: Boosting weak GPIO outputs (e.g., legacy 8-bit MCUs with 5 mA max IO) to drive higher-current peripherals.

IC Role / Device Role / Timing Role: Current-gain amplifier - provides h_FE-scaled output current while maintaining logic polarity and timing integrity.

Use Value: 270× h_FE at −600 mA allows 2.2 mA base drive to fully saturate - compatible with older MCUs lacking dedicated high-drive pins.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
ON Semiconductor NSS12201LT1G	PNP RET with −40 V V_CEO, −200 mA I_O, R1 = 10 kΩ, R2 = 10 kΩ - lower current rating and higher R1 value increases required base drive.	Targeted at low-power logic buffering, not medium-current loads - unsuitable for ≥300 mA solenoid or relay drive.	Select only if load current ≤200 mA and board space permits larger SOT-23 variant with different resistor ratio.
Diotec PBSS4041T	PNP BISS transistor (no integrated resistors), −40 V V_CEO, −1 A I_C, requires external R1/R2 - adds 2 passive components and layout complexity.	Used where adjustable bias or higher peak current (−1 A) is needed - trades simplicity for flexibility and thermal headroom.	Choose when design requires programmable base current or must handle pulsed loads beyond −600 mA continuous.

Compared with NSS12201LT1G and PBSS4041T, PBRP123YT uniquely balances −600 mA drive, integrated 2.2 kΩ/10 kΩ biasing, and −450 mV V_CEsat - making it optimal for cost-sensitive, space-constrained automotive and industrial switching where component count reduction is critical.

Availability

PBRP123YT is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC I/O modules, and consumer appliance control boards requiring stable component supply and SMT manufacturability.

Supply support for PBRP123YT 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 semiconductor expert focused on high-volume, high-reliability discrete and logic devices - headquartered in Nijmegen, Netherlands, with manufacturing in Asia and Europe.

PBRP123YT belongs to Nexperia's Performance-Based Resistor-Equipped Transistor (PB RET) product line, engineered specifically to replace discrete BJT + resistor combinations in automotive and industrial digital switching applications.

FAQ

What is the maximum continuous collector current for PBRP123YT?

The maximum continuous collector current is −600 mA at T_amb ≤ 25 °C with standard FR4 PCB mounting (single-sided, 35 µm copper, tin-plated). Derating applies above 25 °C per Figure 1: at 75 °C ambient, maximum continuous current drops to approximately −400 mA to maintain junction temperature ≤150 °C.

Can PBRP123YT be used in automotive applications?

Yes - PBRP123YT is rated for −55 °C to +150 °C ambient and meets IEC 60134 absolute maximum ratings, making it suitable for non-safety-critical automotive applications like interior lighting, window controls, and HVAC actuators. It is not AEC-Q101 qualified, so safety-critical systems require additional validation.

How does the built-in resistor network affect drive requirements?

The integrated R1 = 2.2 kΩ and R2 = 10 kΩ allow direct connection to 3.3 V or 5 V logic outputs: a 5 V MCU GPIO drives ~−2.3 mA into pin 1 (I_B ≈ (5 V − V_BE)/R1), sufficient to saturate the transistor at −600 mA. No external base resistor is needed, eliminating layout error risk and solder joint failure points.

What is the thermal resistance from junction to solder point (R_th(j-sp))?

R_th(j-sp) is 105 K/W when mounted on an FR4 PCB with a 1 cm² collector pad (per Table 6). This value enables accurate thermal modeling of solder-joint temperature rise - for example, at −600 mA and −450 mV V_CEsat, power dissipation is 270 mW, resulting in ~28 °C rise above solder point temperature.

PBRP123YT,215 Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: -

Package/Case:: TO-236-3, SC-59, SOT-23-3

Packaging:: Tape & Reel (TR)

Product Status:: Active

Transistor Type:: PNP - Pre-Biased

Current - Collector (Ic) (Max):: 600 mA

Voltage - Collector Emitter Breakdown (Max):: 40 V

Resistor - Base (R1):: 2.2 kOhms

Resistor - Emitter Base (R2):: 10 kOhms

DC Current Gain (hFE) (Min) @ Ic, Vce:: 230 @ 300mA, 5V

Vce Saturation (Max) @ Ib, Ic:: 750mV @ 6mA, 600mA

Current - Collector Cutoff (Max):: 500nA

Frequency - Transition:: -

Power - Max:: 250 mW

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: TO-236AB

PBRP123YT,215 FAQ

1.How can I place an order for PBRP123YT,215 through Aetrix?

Please submit a Request for Quotation (RFQ) for PBRP123YT,215 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 PBRP123YT,215 reliable?

The price and inventory of PBRP123YT,215 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PBRP123YT,215 is usually 5 days.

3.What payment methods are accepted for PBRP123YT,215?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PBRP123YT,215 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for PBRP123YT,215?

PBRP123YT,215 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your PBRP123YT,215 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 PBRP123YT,215?

For technical support, including PBRP123YT,215 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PBRP123YT,215 requirements.

6.How does Aetrix verify that PBRP123YT,215 is sourced from the original manufacturer or authorized distributors?

All PBRP123YT,215 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 PBRP123YT,215 meets industry standards.

7.What is the process for return or replacement of PBRP123YT,215?

All PBRP123YT,215 units undergo pre-shipment inspection (PSI). If there is an issue with PBRP123YT,215, 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 PBRP123YT,215 part is unused and in its original packaging.

Return procedure for PBRP123YT,215:

1.Submit a request within 90 days.

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

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