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Nexperia USA Inc. PDTC144WM,315
- Part No.:
- PDTC144WM,315
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single, Pre-Biased Bipolar Transistors
- Package:
- SC-101, SOT-883
- Datasheet:
-
PDTC144WM,315.pdf
- Description:
- TRANS PREBIAS NPN 50V SOT883
- Quantity:
- Payment:
- Shipping:
Inventory:10,000
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Product details
Overview
PDTC144WM from NXP Semiconductors is an NPN resistor-equipped transistor (RET) with integrated bias resistors R1 = 47 kΩ and R2 = 22 kΩ, designed for compact switching applications in space-constrained PCB layouts. It features VCEO = 50 V, IO = 100 mA DC output current, and a SOT883 ultra-small leadless package (1.0 × 0.6 × 0.5 mm), enabling use in portable consumer electronics and low-power interface circuits.
For engineers reviewing the PDTC144WM datasheet, PDTC144WM pinout, PDTC144WM application, or PDTC144WM equivalent, this device serves as a drop-in replacement for discrete base-resistor transistor configurations-reducing BOM count, simplifying layout, and eliminating manual resistor placement in signal-level switching, logic-level translation, and LED driver stages.
Technical Context
This RET integrates two precision silicon resistors directly into the NPN die structure: R1 connects base to VIN, R2 connects base to emitter, forming a fixed-current bias network. Its internal topology eliminates external bias components while maintaining predictable turn-on/off thresholds (Vi(on) = 2.7–4 V, Vi(off) = 1.2–1.7 V) across temperature.
The SOT883 package uses three solder lands with bottom-side terminations and requires reflow-only assembly per JEDEC J-STD-020. Thermal resistance Rth(j-a) = 500 K/W under specified FR4 mounting conditions supports continuous 100 mA operation at ambient ≤85 °C without heatsinking.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 50 V - Maximum safe collector-emitter voltage before breakdown; enables use in 24 V industrial control rails and 3.3/5 V logic interfaces. |
| IO (DC) | 100 mA - Continuous output current capability; sufficient for driving LEDs, small relays, or logic gate inputs. |
| R1 | 47 kΩ ±28% - Input bias resistor value; sets base current for predictable saturation at standard logic-high levels. |
| R2 | 22 kΩ ±28% - Base-to-emitter feedback resistor; ensures fast turn-off and suppresses leakage-induced false triggering. |
| hFE | 60 min @ VCE = 5 V, IC = 5 mA - Minimum DC current gain; guarantees reliable saturation with low drive current (e.g., 0.5 mA base current yields ≥30 mA collector current). |
| VCE(sat) | 150 mV max @ IC = 10 mA, IB = 0.5 mA - Low saturation voltage minimizes power loss and self-heating in high-duty-cycle switching. |
| Vi(on) | 2.7–4 V - Input voltage range guaranteeing full conduction; compatible with TTL, CMOS, and microcontroller GPIO outputs. |
Pinout & Package
SOT883 (SC-101) is a leadless ultra-small plastic package with 3 solder lands, body dimensions 1.0 × 0.6 × 0.5 mm, optimized for high-density reflow assembly on fine-pitch PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Base) | Internal connection to R1 and R2 junction | Single input node accepting logic-level signals; no external base connection required. |
| 2 (Emitter) | Emitting terminal of NPN transistor | Reference node for bias network; tied to system ground or low-side return path. |
| 3 (Collector) | Current-sinking output terminal | Drives load between VCC and collector; supports common-emitter switching topologies. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated R1/R2 bias network | Eliminates two external 0402/0603 resistors and associated routing, reducing PCB area by ≥1.5 mm² per instance. |
| Guaranteed Vi(on)/Vi(off) thresholds | Enables robust interfacing with 3.3 V and 5 V MCUs without level-shifting circuitry or pull-up resistors. |
| Low VCE(sat) at 100 mA | Ensures <15 mW conduction loss at full rated current, critical for battery-powered devices with tight thermal budgets. |
| SOT883 footprint compatibility | Matches industry-standard SC-101 land pattern; supports automated optical inspection (AOI) and X-ray void detection. |
| JEDEC-compliant reflow profile | Validated for Pb-free reflow per J-STD-020; no special pre-bake or nitrogen atmosphere required. |
Applications
| LED Indicator Driver | Microcontroller GPIO Expander |
|---|---|
Use Scenario: Driving status LEDs on wearable device front panels where board space is limited to <2 mm² per indicator. IC Role / Device Role / Timing Role: NPN switch sinking current from LED anode to ground; controlled directly by MCU GPIO pin. Use Value: Eliminates need for separate base resistor, reducing component count and assembly steps while maintaining 20 mA LED brightness with <150 mV dropout. |
Use Scenario: Adding 8-bit parallel output capability to a resource-constrained ARM Cortex-M0+ MCU with only 4 free GPIO pins. IC Role / Device Role / Timing Role: Each PDTC144WM acts as a single-bit buffer/driver, translating logic-high to 100 mA sink for peripheral enable lines. Use Value: Enables compact 8-channel expansion using only 4 PCB layers and no external passives-cutting BOM cost by $0.03/unit at 10k volume. |
| Logic-Level Translator | Low-Power Sensor Interface |
Use Scenario: Converting open-drain I²C bus signals (3.3 V) to 5 V-compatible pull-up domains in mixed-voltage sensor hubs. IC Role / Device Role / Timing Role: Acts as unidirectional level shifter in active-low configuration, with emitter tied to 3.3 V domain and collector pulled to 5 V. Use Value: Provides sub-10 ns propagation delay and rail-to-rail voltage translation without timing skew or bus contention risk. |
Use Scenario: Enabling wake-on-event functionality for MEMS accelerometers in always-on hearables, where quiescent current must stay below 1 μA. IC Role / Device Role / Timing Role: Switches power to accelerometer's VDD rail only when host MCU asserts enable signal; otherwise blocks leakage via high-impedance cutoff. Use Value: Achieves <100 nA total system standby current due to guaranteed ICEO ≤1 μA and zero external bias leakage paths. |
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 |
|---|---|---|---|
| PDTC144ET,315 | SOT23 package (larger 1.1 × 1.3 mm footprint); R1/R2 identical (47 kΩ/22 kΩ); Ptot = 250 mW same rating. | Requires more PCB area but offers easier manual rework and broader thermal margin on 2-layer boards. | Select when prototyping or when thermal derating above 85 °C ambient is needed without copper pour. |
| EMX13T2R | ROHM part in SOT-723 (1.2 × 0.8 mm); R1 = 47 kΩ, R2 = 22 kΩ; VCEO = 50 V, IO = 100 mA; same electrical specs but AEC-Q200 qualified. | Approved for automotive infotainment power sequencing; includes extended temp range (−55 to +150 °C) and HTOL validation. | Select for automotive-grade designs requiring qualification evidence beyond industrial reliability standards. |
Compared with PDTC144ET,315, the PDTC144WM saves 65% board area and improves high-frequency response due to lower parasitic capacitance (Cc = 2.5 pF), while EMX13T2R adds automotive qualification at the cost of +15% unit price and +0.2 mm footprint increase.
Availability
PDTC144WM is available at Aetrix Electronics and suitable for portable medical monitors, IoT edge nodes, and smart home controllers requiring stable component supply with consistent parametric performance across production lots.
Supply support for PDTC144WM 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 Dutch semiconductor company specializing in secure connectivity solutions for automotive, industrial, and IoT markets, with over 50 years of analog and mixed-signal design heritage.
The PDTC144W series belongs to NXP's resistor-equipped transistor product line, engineered specifically to replace discrete BJT + resistor combinations in cost-sensitive, high-volume consumer and industrial control applications.
FAQ
Is PDTC144WM compatible with lead-free reflow processes?
Yes. PDTC144WM is qualified for Pb-free reflow per JEDEC J-STD-020, with peak temperature tolerance up to 260 °C for 30 seconds. The SOT883 package uses matte tin terminations and passes intermetallic growth testing under IPC-J-STD-006 requirements.
Can PDTC144WM be used in linear amplification mode?
No. This device is optimized for switching operation only. Its built-in resistors fix the base bias point, preventing stable DC operating point adjustment required for analog amplification. Use discrete transistors like BC847 for linear gain stages.
What is the maximum allowable PCB trace width for SOT883 solder pads?
Per NXP's SOT883 layout guidelines, recommended pad width is 0.35 mm with 0.25 mm spacing between lands. Trace width should not exceed 0.2 mm to avoid solder bridging during reflow; thermal relief spokes are mandatory for inner-layer copper pours.
Does PDTC144WM require external decoupling when driving capacitive loads?
Yes, for loads >100 pF. Although the device has low output impedance in saturation, rapid edge rates can induce ringing without local 100 nF ceramic decoupling placed within 2 mm of the collector pad-especially when driving long traces or LCD segment lines.
PDTC144WM,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):
- 47 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):
- 1µA
- Frequency - Transition:
- -
- Power - Max:
- 250 mW
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-883
PDTC144WM,315 FAQ
1.How can I place an order for PDTC144WM,315 through Aetrix?
Please submit a Request for Quotation (RFQ) for PDTC144WM,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 PDTC144WM,315 reliable?
The price and inventory of PDTC144WM,315 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PDTC144WM,315 is usually 5 days.
3.What payment methods are accepted for PDTC144WM,315?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PDTC144WM,315 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PDTC144WM,315?
PDTC144WM,315 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PDTC144WM,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 PDTC144WM,315?
For technical support, including PDTC144WM,315 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PDTC144WM,315 requirements.
6.How does Aetrix verify that PDTC144WM,315 is sourced from the original manufacturer or authorized distributors?
All PDTC144WM,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 PDTC144WM,315 meets industry standards.
7.What is the process for return or replacement of PDTC144WM,315?
All PDTC144WM,315 units undergo pre-shipment inspection (PSI). If there is an issue with PDTC144WM,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 PDTC144WM,315 part is unused and in its original packaging.
Return procedure for PDTC144WM,315:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PDTC144WM,315 Tags
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MUN5211T1G
onsemi
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DTC043ZEBTL
Rohm Semiconductor
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DTC114EKAT146
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DDTD113ZC-7-F
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DRDNB16W-7
Diodes Incorporated
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PDTC143XT,215
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MMUN2211LT1G
onsemi
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