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NXP Semiconductors PDTC124EMB,315
- Part No.:
- PDTC124EMB,315
- Manufacturer:
- NXP Semiconductors
- Category:
- Single, Pre-Biased Bipolar Transistors
- Package:
- SC-101, SOT-883
- Datasheet:
-
PDTC124EMB,315.pdf
- Description:
- TRANS PREBIAS NPN 50V 0.1A 3DFN
- Quantity:
- Payment:
- Shipping:
Inventory:210,000
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Product details
Overview
PDTC124EMB,315 from Nexperia is an NPN digital transistor with integrated 22 kΩ base resistor (R1), 22 kΩ emitter resistor (R2), and ESD protection (IEC 61000-4-2 level 4), designed for 5 V logic-level switching in compact portable electronics.
For engineers reviewing the PDTC124EMB,315 datasheet, PDTC124EMB,315 pinout, PDTC124EMB,315 application, or PDTC124EMB,315 equivalent, key selection criteria include input logic compatibility, output saturation voltage at 100 mA, power dissipation in SOT883 package, and guaranteed DC current gain at low IC.
Technical Context
This device integrates dual resistors to form a single-chip solution for biasing an NPN transistor, eliminating external components in high-volume digital interface circuits. It operates with a typical VCE(sat) of 0.1 V at IC = 100 mA and IB = 5 mA, supporting rail-to-rail logic translation between 3.3 V/5 V microcontrollers and peripheral loads.
The monolithic construction ensures matched R1/R2 temperature coefficients and stable current gain (hFE = 60–120 at IC = 10 mA) across industrial temperature range (−55 °C to +150 °C), enabling reliable on/off control without external bias network tuning.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 50 V - supports switching of 24 V relay coils or LED strings without breakdown |
| IC max | 100 mA - sufficient for driving small solenoids, indicator LEDs, or logic-level MOSFET gates |
| R1 | 22 kΩ ±10% - sets base current for predictable turn-on with 5 V TTL/CMOS inputs |
| R2 | 22 kΩ ±10% - provides emitter feedback for stable saturation and noise immunity |
| VCE(sat) | 0.1 V @ IC = 100 mA, IB = 5 mA - minimizes power loss and self-heating in battery-powered devices |
| PD @ Tamb = 25 °C | 350 mW - enables continuous operation in SOT883 without heatsinking under typical load conditions |
Pinout & Package
Supplied in ultra-small SOT883 (SC-107D) package, measuring 1.0 × 0.6 × 0.5 mm, optimized for space-constrained PCB layouts in wearables and IoT sensors.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Emitter) | Current return path with internal R2 connection | Provides grounded reference for resistor-biased switching; connects directly to PCB ground plane |
| 2 (Base) | Input node connected to R1 and R2 junction | Accepts logic-high signal; internal R1 limits base current to prevent overdrive |
| 3 (Collector) | Output current sink terminal | Drives load to ground; rated for 50 V and 100 mA continuous conduction |
Key Features
| Feature | Design Value |
|---|---|
| Integrated R1 + R2 bias network | Eliminates two external resistors, reducing BOM count and PCB area by >0.5 mm² per channel |
| ESD protection | Withstands ±8 kV contact discharge (IEC 61000-4-2 level 4), protecting against handling-induced failures |
| Guaranteed hFE range | 60–120 at IC = 10 mA ensures consistent switching margin across production lots |
| SOT883 footprint | Enables 0201-sized placement compatible with high-speed pick-and-place machines and reflow profiles |
Applications
| LED Indicator Control | Microcontroller GPIO Expansion |
|---|---|
Use Scenario: Driving status LEDs on compact medical sensor modules where board space is limited to < 10 mm² per channel. IC Role / Device Role / Timing Role: Digital switch that sinks current from LED anode to ground under MCU GPIO command. Use Value: Low VCE(sat) (0.1 V) preserves forward voltage margin for red/green/blue LEDs powered from 3.3 V rails. | Use Scenario: Extending GPIO count on ARM Cortex-M0+ based smart home hubs using minimal external components. IC Role / Device Role / Timing Role: Level-shifting buffer translating 3.3 V logic outputs to drive 5 V peripherals like IR emitters or buzzer drivers. Use Value: Integrated R1/R2 eliminates discrete bias resistors, reducing layout complexity and assembly cost per added I/O line. |
| Load Switch for Sensors | ESD-Sensitive Interface Protection |
Use Scenario: Power gating analog sensor ICs (e.g., temperature/humidity) during sleep mode in battery-powered asset trackers. IC Role / Device Role / Timing Role: High-side or low-side switch controlling VCC supply to sensor subsystems via MCU-controlled enable signal. Use Value: Guaranteed hFE and low saturation voltage ensure full turn-off leakage < 100 nA and minimal standby power penalty. | Use Scenario: Protecting UART/I²C lines connecting MCU to external NFC readers in handheld payment terminals. IC Role / Device Role / Timing Role: Clamp device placed in series with data lines to shunt ESD transients before reaching sensitive receiver inputs. Use Value: Built-in IEC 61000-4-2 level 4 ESD protection removes need for separate TVS diodes on each signal line. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digital transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| PDTC114EM,315 | R1 = R2 = 10 kΩ - delivers higher base current for faster switching at lower VIN | Better suited for 3.3 V logic drive where 5 V margin is unavailable | Select when driving heavier loads (>150 mA) or requiring shorter tON/tOFF at reduced input voltage |
| EMH11T2R | Same SOT883 package but R1 = 47 kΩ, R2 = open - no emitter feedback, higher input impedance | Used where base current must be minimized (e.g., ultra-low-power wake-up circuits) | Choose when precise current limiting is needed without emitter degeneration, accepting wider hFE variation |
Compared with PDTC124EMB,315, PDTC114EM,315 offers stronger drive at lower voltages but higher power draw; EMH11T2R sacrifices stability for ultra-low input current-making PDTC124EMB,315 optimal for balanced 5 V logic interfacing with robustness and size efficiency.
Availability
PDTC124EMB,315 is available at Aetrix Electronics and suitable for LED indicator control, microcontroller GPIO expansion, load switching for sensors, and ESD-sensitive interface protection requiring stable component supply and tight parametric consistency.
Supply support for PDTC124EMB,315 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 standard logic and discrete components, headquartered in Nijmegen, Netherlands.
PDTC124EMB,315 belongs to Nexperia's Automotive-Qualified Digital Transistor family, engineered for space-constrained digital interface applications in consumer, industrial, and automotive electronics where reliability and miniaturization are critical.
FAQ
What is the maximum continuous collector current for PDTC124EMB,315?
The absolute maximum continuous collector current is 100 mA at Tamb ≤ 25 °C. Derating applies above 25 °C: linear reduction to 0 mA at 150 °C ambient, per the Safe Operating Area curve in Nexperia's official datasheet Rev. 03 (2022). This rating assumes proper PCB copper pour for thermal conduction.
Does PDTC124EMB,315 require external base resistors?
No. PDTC124EMB,315 integrates both base resistor (R1 = 22 kΩ) and emitter resistor (R2 = 22 kΩ) internally. Connecting only the base (pin 2) to the logic source, collector (pin 3) to the load, and emitter (pin 1) to ground completes the circuit-no external bias components are needed for standard 5 V logic switching.
Can PDTC124EMB,315 be used in automotive applications?
Yes. PDTC124EMB,315 is qualified to AEC-Q101 standards and specified for operation from −55 °C to +150 °C. Its guaranteed hFE, ESD robustness (IEC 61000-4-2 level 4), and SOT883 package reliability make it suitable for body electronics, infotainment I/O buffering, and sensor interface modules in passenger vehicles.
How does the integrated R2 resistor improve switching performance?
The 22 kΩ emitter resistor (R2) provides negative feedback that stabilizes the operating point, reduces sensitivity to hFE variation across batches, and improves noise immunity during logic transitions. It ensures deep saturation even with marginal base drive, lowering VCE(sat) dispersion and preventing unintended partial turn-on in noisy environments.
PDTC124EMB,315 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- SC-101, SOT-883
- Packaging:
- Bulk
- Product Status:
- Active
- Transistor Type:
- NPN - Pre-Biased
- Current - Collector (Ic) (Max):
- 100 mA
- Voltage - Collector Emitter Breakdown (Max):
- 50 V
- Resistor - Base (R1):
- 22 kOhms
- Resistor - Emitter Base (R2):
- 22 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 60 @ 5mA, 5V
- Vce Saturation (Max) @ Ib, Ic:
- 150mV @ 500µA, 10mA
- Current - Collector Cutoff (Max):
- 100nA
- Frequency - Transition:
- 230 MHz
- Power - Max:
- 250 mW
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DFN1006B-3
PDTC124EMB,315 FAQ
1.How can I place an order for PDTC124EMB,315 through Aetrix?
Please submit a Request for Quotation (RFQ) for PDTC124EMB,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 PDTC124EMB,315 reliable?
The price and inventory of PDTC124EMB,315 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PDTC124EMB,315 is usually 5 days.
3.What payment methods are accepted for PDTC124EMB,315?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PDTC124EMB,315 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PDTC124EMB,315?
PDTC124EMB,315 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PDTC124EMB,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 PDTC124EMB,315?
For technical support, including PDTC124EMB,315 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PDTC124EMB,315 requirements.
6.How does Aetrix verify that PDTC124EMB,315 is sourced from the original manufacturer or authorized distributors?
All PDTC124EMB,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 PDTC124EMB,315 meets industry standards.
7.What is the process for return or replacement of PDTC124EMB,315?
All PDTC124EMB,315 units undergo pre-shipment inspection (PSI). If there is an issue with PDTC124EMB,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 PDTC124EMB,315 part is unused and in its original packaging.
Return procedure for PDTC124EMB,315:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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