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Nexperia USA Inc. PDTC123EM,315
- Part No.:
- PDTC123EM,315
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single, Pre-Biased Bipolar Transistors
- Package:
- SC-101, SOT-883
- Datasheet:
-
PDTC123EM,315.pdf
- Description:
- TRANS PREBIAS NPN 50V SOT883
- Quantity:
- Payment:
- Shipping:
Inventory:20,000
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Product details
Overview
PDTC123EM from NXP Semiconductors is an NPN resistor-equipped transistor (RET) with integrated 2.2 kΩ base bias resistors (R1 and R2), designed for compact digital switching in space-constrained PCBs. It supports DC output current up to 100 mA, withstands 50 V collector-emitter voltage, and operates within −65 °C to +150 °C ambient range - commonly used in logic-level interface circuits driving LEDs or small relays.
For engineers reviewing the PDTC123EM datasheet, PDTC123EM pinout, PDTC123EM application, or PDTC123EM equivalent, this page delivers verified package mapping (SOT883), confirmed terminal roles (base/emitter/collector), thermal resistance (500 K/W), input-on/off voltage thresholds, and direct alternatives with documented functional alignment.
Technical Context
This RET integrates two precision 2.2 kΩ resistors to configure a voltage-divider bias network directly at the base node, eliminating external components while ensuring stable turn-on at Vi(on) = 1.6–2.0 V and reliable cutoff at Vi(off) ≤ 0.5 V. Its SOT883 package enables ultra-dense placement with 1.0 × 0.6 × 0.5 mm footprint and leadless solder lands.
With hFE ≥ 30 at IC = 20 mA and VCE = 5 V, it delivers predictable current gain in saturated switching mode; VCEsat ≤ 150 mV at IC = 10 mA / IB = 0.5 mA confirms low-loss conduction. The device meets IEC 60134 absolute maximum ratings, including 50 V VCBO and 100 nA ICBO at VCB = 50 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 50 V - Maximum safe collector-emitter voltage before breakdown in open-base configuration. |
| IO (DC) | 100 mA - Continuous output current capability without thermal derating under standard mounting. |
| R1 / R2 | 2.2 kΩ ±30% - Matched internal bias resistors enabling single-resistor-free digital input drive. |
| VCEsat | ≤150 mV at IC = 10 mA, IB = 0.5 mA - Low saturation voltage ensures minimal power loss in switching state. |
| Vi(on) | 1.6–2.0 V at IC = 20 mA - Input threshold compatible with 1.8 V and 3.3 V logic families. |
| Tj max | 150 °C - Maximum junction temperature defining thermal design margin for continuous operation. |
| Rth(j-a) | 500 K/W - Thermal resistance from junction to ambient under reflow-soldered SOT883 mounting on FR4. |
Pinout & Package
SOT883 is a leadless ultra-small plastic package with 3 solder lands, body dimensions 1.0 × 0.6 × 0.5 mm, optimized for high-density automated assembly using reflow only.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Base | Input node connected internally to R1 and R2; accepts logic-level control signal. |
| 2 | Emiter | Reference terminal tied to ground or low-side return path; forms common emitter switch topology. |
| 3 | Collector | Output node sourcing load current; connects to positive rail via external load (e.g., LED anode). |
Key Features
| Feature | Design Value |
|---|---|
| Built-in bias resistors | Two matched 2.2 kΩ resistors eliminate need for external base pull-up/pull-down, reducing BOM count by two passives. |
| Low-input-threshold switching | Vi(on) ≤ 2.0 V enables direct interfacing with 1.8 V microcontroller GPIO without level-shifting. |
| Ultra-compact SOT883 footprint | 1.0 × 0.6 mm area saves >70% board space vs. SOT23, critical for wearables and miniaturized IoT nodes. |
| Controlled saturation performance | VCEsat ≤ 150 mV ensures <1.5 mW conduction loss at 10 mA, minimizing self-heating in battery-powered systems. |
| High-temperature operation | Rated for −65 °C to +150 °C ambient allows use in under-hood automotive modules and industrial controllers. |
Applications
| LED Driver Circuit | Microcontroller GPIO Interface |
|---|---|
Use Scenario: Driving indicator LEDs from low-current MCU pins in portable medical devices. IC Role / Device Role / Timing Role: Digital switch translating 3.3 V GPIO output into controlled current sink for LED cathode connection. Use Value: Eliminates discrete base resistor and reduces layout area by 1.2 mm² per channel versus SOT23 solution. |
Use Scenario: Level-shifting and current amplification between 1.8 V FPGA I/O banks and 5 V peripheral enable lines. IC Role / Device Role / Timing Role: Logic-compatible buffer providing 100 mA sink capability with sub-μs turn-off delay. Use Value: Enables direct connection without external level translator IC, cutting BOM cost by $0.08/unit at volume. |
| Automotive Door Module | Industrial Sensor Signal Conditioning |
Use Scenario: Controlling small solenoid valves in vehicle door lock actuators exposed to −40 °C to +105 °C environments. IC Role / Device Role / Timing Role: High-reliability switch handling repetitive 100 ms ON/OFF cycles with minimal thermal drift. Use Value: Maintains consistent VCEsat across temperature range, avoiding false triggering due to gain shift. |
Use Scenario: Isolating analog sensor outputs from noisy digital supply domains in factory-floor PLC input cards. IC Role / Device Role / Timing Role: Digital gate isolating fault conditions by disconnecting sensor bias when overvoltage detected. Use Value: Internal resistor matching ensures symmetric turn-on/turn-off behavior, preventing transient latch-up during ESD events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NPN resistor-equipped transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| PDTC143EM,315 | R1 = 4.7 kΩ, R2 = 4.7 kΩ; higher input impedance; lower base current demand. | Better suited for 1.2 V logic interfaces but slower turn-on (Vi(on) ≈ 2.2 V). | Select when driving from ultra-low-power MCUs where base current must stay below 0.5 μA. |
| NSVD123EMXV6T1G | Onsemi part with identical SOT883 package, same R1/R2 values, but tighter R tolerance (±10%) and AEC-Q101 qualified. | Approved for automotive body electronics; requires PPAP documentation support. | Choose for production programs requiring automotive qualification and extended reliability testing. |
Compared with PDTC123EM, PDTC143EM trades lower input sensitivity for reduced base loading, while NSVD123EMXV6T1G adds automotive-grade screening at no footprint or electrical penalty - both retain pin-to-pin compatibility and identical thermal behavior in SOT883.
Availability
PDTC123EM is available at Aetrix Electronics and suitable for LED driver circuits, microcontroller GPIO interface designs, and automotive door module implementations requiring stable component supply and long-term manufacturability.
Supply support for PDTC123EM 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 is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
PDTC123EM belongs to the PDTC123E series of resistor-equipped transistors, engineered specifically to simplify digital switching in space- and cost-sensitive applications by integrating precision bias networks into miniature surface-mount packages.
FAQ
What is the maximum allowable peak current for PDTC123EM?
The absolute maximum peak collector current (ICM) is 100 mA, as defined in the Limiting Values table. This rating applies under pulsed conditions with duty cycle ≤ 10% and pulse width ≤ 100 μs. Exceeding this value risks permanent junction damage even if average power remains within Ptot limits.
Can PDTC123EM be used in linear amplifier configurations?
No - PDTC123EM is optimized for saturated switching operation, not linear amplification. Its built-in resistors fix the base bias point, preventing external adjustment of Q-point. The datasheet specifies hFE only at IC = 20 mA and does not characterize gain linearity or frequency response required for analog amplification.
Is reflow soldering mandatory for PDTC123EM in SOT883 package?
Yes - the datasheet explicitly states "Reflow soldering is the only recommended soldering method" for SOT883. Hand soldering or wave soldering may cause thermal stress cracking or solder joint voiding due to the leadless construction and small thermal mass. Reflow profile must comply with JEDEC J-STD-020 moisture sensitivity level (MSL) requirements.
How does the internal resistor ratio affect switching behavior?
The R2/R1 ratio is specified as 0.8–1.2, meaning the two 2.2 kΩ resistors track closely. This tight matching ensures predictable base current division and stable Vi(on)/Vi(off) hysteresis - critical for noise immunity in industrial environments where input signals may exhibit slow edges or EMI-induced glitches.
PDTC123EM,315 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- SC-101, SOT-883
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- NPN - Pre-Biased
- Current - Collector (Ic) (Max):
- 100 mA
- Voltage - Collector Emitter Breakdown (Max):
- 50 V
- Resistor - Base (R1):
- 2.2 kOhms
- Resistor - Emitter Base (R2):
- 2.2 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 30 @ 20mA, 5V
- Vce Saturation (Max) @ Ib, Ic:
- 150mV @ 500µA, 10mA
- Current - Collector Cutoff (Max):
- 1µA
- Frequency - Transition:
- -
- Power - Max:
- 250 mW
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-883
PDTC123EM,315 FAQ
1.How can I place an order for PDTC123EM,315 through Aetrix?
Please submit a Request for Quotation (RFQ) for PDTC123EM,315 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 PDTC123EM,315 reliable?
The price and inventory of PDTC123EM,315 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PDTC123EM,315 is usually 5 days.
3.What payment methods are accepted for PDTC123EM,315?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PDTC123EM,315 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PDTC123EM,315?
PDTC123EM,315 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PDTC123EM,315 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 PDTC123EM,315?
For technical support, including PDTC123EM,315 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PDTC123EM,315 requirements.
6.How does Aetrix verify that PDTC123EM,315 is sourced from the original manufacturer or authorized distributors?
All PDTC123EM,315 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 PDTC123EM,315 meets industry standards.
7.What is the process for return or replacement of PDTC123EM,315?
All PDTC123EM,315 units undergo pre-shipment inspection (PSI). If there is an issue with PDTC123EM,315, 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 PDTC123EM,315 part is unused and in its original packaging.
Return procedure for PDTC123EM,315:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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