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Nexperia USA Inc. PDTC144EM,315
- Part No.:
- PDTC144EM,315
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single, Pre-Biased Bipolar Transistors
- Package:
- SC-101, SOT-883
- Datasheet:
-
PDTC144EM,315.pdf
- Description:
- TRANS PREBIAS NPN 50V SOT883
- Quantity:
- Payment:
- Shipping:
Inventory:9,419
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Product details
Overview
PDTC144EM from Nexperia is an AEC-Q101-qualified NPN resistor-equipped transistor (RET) in SOT883 (DFN1006-3) package, featuring integrated 47 kΩ input bias resistor (R1) and 47 kΩ emitter feedback resistor (R2), 50 V VCEO, 100 mA IO, and optimized for digital switching in automotive control modules.
For engineers reviewing the PDTC144EM datasheet, PDTC144EM pinout, PDTC144EM application, or PDTC144EM equivalent, this part serves as a drop-in replacement for BC847-based digital interface circuits where board space, BOM count, and AEC-Q101 compliance are critical selection criteria.
Technical Context
This RET integrates a monolithic NPN transistor with two precision laser-trimmed on-die resistors-R1 connected between base and input, R2 between base and emitter-enabling single-pin logic-level drive without external bias components. It operates as a saturated switch with guaranteed VCE(sat) ≤ 150 mV at IC = 10 mA / IB = 0.5 mA.
The device exhibits hFE ≥ 80 at VCE = 5 V and IC = 5 mA, supports VI(on) ≤ 1.6 V and VI(off) ≥ 1.2 V at 25 °C, and maintains stable DC gain across −40 °C to +100 °C per Fig. 3, making it suitable for robust industrial and automotive digital signal conditioning.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 50 V - Maximum collector-emitter voltage before breakdown; enables use in 24 V automotive systems with margin. |
| IO | 100 mA - Continuous output current rating; sufficient for driving LED indicators, small relays, or logic inputs. |
| R1 | 47 kΩ ±28% - Integrated base-input pull-up resistor; eliminates need for external bias network in high-side switch configurations. |
| R2/R1 | 1.0 ±0.2 - Matched internal resistor ratio; ensures predictable turn-off behavior and noise immunity in digital gate interfaces. |
| VCE(sat) | ≤150 mV at IC=10 mA/IB=0.5 mA - Low saturation voltage minimizes power loss and self-heating during sustained conduction. |
| hFE | ≥80 at VCE=5 V, IC=5 mA - Guaranteed DC current gain ensures reliable switching with minimal drive current overhead. |
| AEC-Q101 | Qualified - Meets stress test requirements for discrete semiconductors in automotive applications including temperature cycling and HTRB. |
Pinout & Package
PDTC144EM uses the ultra-small DFN1006-3 (SOT883) leadless plastic package: 1.02 mm × 0.6 mm × 0.48 mm body, 0.35 mm pitch, designed for reflow-only assembly on FR4 PCBs with standard footprint per Fig. 11.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Input (base) | Logic-level node connected internally to R1; accepts TTL/CMOS-compatible drive signals without external series resistor. |
| 2 | GND (emitter) | Emitter tied directly to ground reference; provides low-inductance return path and simplifies PCB layout for noise-sensitive digital switching. |
| 3 | Output (collector) | Switched high-side output node; connects to load (e.g., LED anode or IC input) with controlled saturation characteristics. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated R1 + R2 bias network | Eliminates 2 external resistors, reducing BOM count and pick-and-place steps while improving placement accuracy and thermal matching. |
| 100 mA continuous output capability | Supports direct drive of moderate-current loads such as status LEDs, optocoupler inputs, or small-signal MOSFET gates without buffering. |
| AEC-Q101 qualification | Validated for automotive under-hood and cabin applications including engine control units, body controllers, and lighting modules. |
| SOT883 ultra-small footprint | 0.6 mm × 1.0 mm area saves >70% board space vs. SOT23; ideal for space-constrained modules like smart sensors and ADAS ECUs. |
Applications
| Automotive Body Control Module | Industrial PLC Input Stage |
|---|---|
|
Use Scenario: Level-shifting and isolation of 12 V/24 V sensor signals into 3.3 V microcontroller GPIOs. IC Role / Device Role / Timing Role: Digital switch isolating high-voltage field inputs from low-voltage logic; operates in static on/off mode with no timing constraints. Use Value: Replaces BC847 + 2-resistor network, cutting PCB area by 45% and eliminating resistor placement misalignment risk in automated assembly. |
Use Scenario: Conditioning dry-contact closure signals from limit switches or emergency stops into programmable logic controller inputs. IC Role / Device Role / Timing Role: Input buffer providing galvanic decoupling and ESD-tolerant logic-level translation; used in non-critical response-time applications. Use Value: Built-in R1/R2 ensures consistent threshold behavior across temperature, avoiding drift-induced false triggers in wide-ambient environments. |
| LED Status Indicator Driver | Microcontroller GPIO Expander Interface |
|
Use Scenario: Driving multiplexed panel LEDs in automotive instrument clusters requiring low quiescent current and compact layout. IC Role / Device Role / Timing Role: Constant-current switch controlling LED anode connection; duty-cycle independent due to DC operation. Use Value: 150 mV VCE(sat) reduces forward voltage drop across series resistor, increasing LED brightness margin at 5 V supply. |
Use Scenario: Interfacing legacy 5 V logic peripherals (e.g., EEPROMs, DACs) with 3.3 V microcontrollers lacking 5 V-tolerant pins. IC Role / Device Role / Timing Role: Level translator enabling bidirectional signal routing via open-collector configuration; supports up to 1 MHz toggle rates. Use Value: 230 MHz fT ensures fast edge response, minimizing propagation delay skew in multi-channel GPIO expansion buses. |
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 |
|---|---|---|---|
| PDTC124EM | R1 = 22 kΩ, R2 = 47 kΩ → higher input current (≈2.3×), lower VI(on) threshold (~1.1 V). | Better suited for weak-drive MCUs (e.g., low-IOH 3.3 V GPIOs); less margin for noisy 12 V lines. | Select when drive source has limited current capability but system noise is well-controlled. |
| BC847B,115 | Discrete NPN BJT requiring external 47 kΩ base resistor; no R2; hFE = 200–450 (wider spread). | Higher gain variability requires design margining; lacks AEC-Q101 qualification and integrated ESD protection. | Choose only for cost-sensitive non-automotive designs where resistor sourcing and qualification are not required. |
Compared with PDTC124EM and BC847B, the PDTC144EM offers balanced input sensitivity, tighter resistor matching, and automotive-grade reliability-making it optimal for production-grade automotive and industrial digital interface nodes where consistency and qualification matter.
Availability
PDTC144EM is available at Aetrix Electronics and suitable for automotive body control modules, industrial PLC input stages, LED status indicator drivers, and microcontroller GPIO expander interfaces requiring stable component supply and AEC-Q101 assurance.
Supply support for PDTC144EM 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 delivering high-performance, reliable discrete, logic, and MOSFET devices with focus on efficiency, miniaturization, and automotive-grade quality.
PDTC144EM belongs to Nexperia's Resistor-Equipped Transistor (RET) product line, engineered to replace discrete BJT + resistor combinations in digital switching applications while meeting stringent automotive qualification standards.
FAQ
What is the maximum ambient temperature for continuous operation?
PDTC144EM supports continuous operation from −65 °C to +150 °C ambient, with derated power dissipation above 25 °C per Fig. 1. At 85 °C ambient, Ptot must be limited to ~125 mW to maintain Tj ≤ 150 °C on standard FR4 PCBs with 70 µm copper traces.
Can PDTC144EM be used in linear amplifier configurations?
No-PDTC144EM is optimized and characterized exclusively for saturated switching operation. Its built-in resistors fix bias conditions unsuitable for active-region amplification, and hFE is specified only at switching-relevant IC points (5–10 mA), not across analog operating ranges.
Is the SOT883 package compatible with standard reflow profiles?
Yes-Nexperia specifies reflow soldering as the only recommended method. The DFN1006-3 package complies with JEDEC J-STD-020 moisture sensitivity level 1 and supports peak temperatures up to 260 °C with ≤60 sec above 217 °C, provided the footprint matches Fig. 11.
How does the R2/R1 ratio affect switching behavior?
An R2/R1 ratio of 1.0 ensures symmetrical turn-on/turn-off thresholds: R2 pulls the base toward emitter during off-state, improving noise immunity and reducing leakage-induced false triggering, especially in high-impedance or long-trace automotive harness environments.
PDTC144EM,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):
- 47 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 80 @ 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
PDTC144EM,315 FAQ
1.How can I place an order for PDTC144EM,315 through Aetrix?
Please submit a Request for Quotation (RFQ) for PDTC144EM,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 PDTC144EM,315 reliable?
The price and inventory of PDTC144EM,315 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PDTC144EM,315 is usually 5 days.
3.What payment methods are accepted for PDTC144EM,315?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PDTC144EM,315 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PDTC144EM,315?
PDTC144EM,315 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PDTC144EM,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 PDTC144EM,315?
For technical support, including PDTC144EM,315 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PDTC144EM,315 requirements.
6.How does Aetrix verify that PDTC144EM,315 is sourced from the original manufacturer or authorized distributors?
All PDTC144EM,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 PDTC144EM,315 meets industry standards.
7.What is the process for return or replacement of PDTC144EM,315?
All PDTC144EM,315 units undergo pre-shipment inspection (PSI). If there is an issue with PDTC144EM,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 PDTC144EM,315 part is unused and in its original packaging.
Return procedure for PDTC144EM,315:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PDTC144EM,315 Tags
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