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HomeProductsDiscrete Semiconductor ProductsTransistors - Bipolar (BJT) - Single, Pre-BiasedPDTA123TT,235
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PDTA123TT,235 - Nexperia USA Inc.

Manufacturer Part Number
PDTA123TT,235
Manufacturer
Nexperia
Allelco Part Number
98D-PDTA123TT,235
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
48,518 pcs available, New & Original
Parts Description
TRANS PREBIAS PNP 50V TO236AB
Package
TO-236AB
Data sheet
PDTA123TT,235.pdf

Datasheets

PDTA123T Series.pdf

PCN Assembly/Origin

Multiple Parts 01/Apr/2022.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 48518
  • Unit Price: $0.012
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.012 $0.01
10+ $0.01 $0.10
30+ $0.008 $0.24
100+ $0.008 $0.80
500+ $0.007 $3.50
1000+ $0.007 $7.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

PDTA123TT,235 Tech Specifications
Nexperia USA Inc. - PDTA123TT,235 technical specifications, attributes, parameters and parts with similar specifications to Nexperia USA Inc. - PDTA123TT,235

Product Attribute Attribute Value
Manufacturer Nexperia
Voltage - Collector Emitter Breakdown (Max) 50 V
Vce Saturation (Max) @ Ib, Ic 150mV @ 500µA, 10mA
Transistor Type PNP - Pre-Biased
Supplier Device Package TO-236AB
Series Automotive, AEC-Q100
Resistor - Base (R1) 2.2 kOhms
Power - Max 250 mW
Product Attribute Attribute Value
Package / Case TO-236-3, SC-59, SOT-23-3
Package Tape & Reel (TR)
Mounting Type Surface Mount
DC Current Gain (hFE) (Min) @ Ic, Vce 30 @ 20mA, 5V
Current - Collector Cutoff (Max) 1µA
Current - Collector (Ic) (Max) 100 mA
Base Product Number PDTA123

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99

Frequently Asked Questions(FAQ)

How does the PDTA123TT,235’s pre-biased resistor configuration influence base drive requirements in low-power switching applications?
The integrated 2.2 kΩ base resistor (R1) in the PDTA123TT,235 reduces external component count by providing a fixed bias path from base to emitter, which is beneficial for small-signal switching at currents below 10 mA. However, this fixed value may limit flexibility in optimizing turn-on speed or minimizing saturation voltage across varying supply conditions. For designs requiring precise control of base current or fast switching above 20 mA, an external resistor network might yield better performance trade-offs.
What are the implications of the PDTA123TT,235’s maximum collector current of 100 mA and power dissipation of 250 mW when used in automotive sensor conditioning circuits operating at elevated ambient temperatures?
At 250 mW power rating and 100 mA maximum Ic, continuous operation near full load generates significant self-heating—approximately 1.25 W if Vce(sat) reaches 12.5 mV at 100 mA, though datasheet specifies 150 mV. In automotive environments with typical junction-to-ambient thermal resistance exceeding 200°C/W, sustained loads above 50 mA may require derating to maintain reliability under AEC-Q100 qualification standards.
How does the DC current gain (hFE) variation affect signal integrity in analog amplification stages using the PDTA123TT,235?
With hFE specified as a minimum of 30 at Ic = 20 mA and Vce = 5 V, individual device gain can vary widely between production lots due to manufacturing tolerances. This variability introduces uncertainty in gain matching across parallel or cascaded stages, potentially degrading signal linearity in precision analog paths. Designers must account for worst-case deviation when setting feedback networks or calibration routines.
When comparing the PDTA123TT,235 to discrete PNP transistors without internal biasing, what design advantages justify its use despite potential limitations in dynamic response?
The PDTA123TT,235 offers space savings, reduced PCB real estate, and simplified layout compared to discrete solutions by integrating R1 directly on-chip. This is advantageous in compact automotive modules like door control units where footprint constraints dominate. However, its fixed R1 limits slew rate optimization—discrete implementations allow tuning for either speed or efficiency based on application needs.
Why might the PDTA123TT,235 not be suitable for high-frequency switching applications despite its surface-mount packaging and small form factor?
Although the TO-236AB package supports automated assembly, the inherent parasitic capacitance and inductance associated with pre-biased architectures increase turn-off delay times beyond what is acceptable for switching frequencies above 100 kHz. Additionally, the lack of explicit transition frequency (fT) specification indicates limited suitability for RF or PWM duty cycles demanding rapid state transitions.
What considerations arise when substituting the PDTA123TT,235 with alternatives such as DDTA123ECA-7-F or DTA143TKAT146 in existing automotive designs?
While substitutes like DDTA123ECA-7-F offer similar functionality, differences in resistor values, hFE ranges, or packaging compatibility may necessitate re-layout or recalibration. For instance, if the replacement has a different R1 value or higher leakage current, it could alter threshold behavior in pull-down configurations within CAN bus termination circuits.
Can the PDTA123TT,235 safely operate in reverse polarity scenarios commonly encountered during hot-swapping in infotainment systems?
The device lacks built-in ESD protection diodes across collector-emitter terminals, so reverse voltage exposure beyond -0.3 V on base or collector junctions risks junction breakdown, especially since breakdown voltage is rated only for forward-active mode. Without external clamping, hot-swap events could damage the transistor regardless of nominal VCE(BR)C = 50 V specification.
How does moisture sensitivity level (MSL) classification of MSL 1 impact storage and handling logistics for PDTA123TT,235 in high-volume automotive production lines?
As an MSL 1 component, the PDTA123TT,235 requires no special dry storage or baking before reflow, enabling standard warehouse handling and reducing logistics overhead in AEC-Q100 compliant manufacturing environments. This simplifies just-in-time inventory management while maintaining RoHS3 compliance throughout global supply chains.

Parts with Similar Specifications

The three parts on the right have similar specifications to Nexperia USA Inc. PDTA123TT,235

Product Attribute PDTA123TT,215 PDTA123TT,215 PDTA123TM,315 PDTA123TMB,315
Part Number PDTA123TT,215 PDTA123TT,215 PDTA123TM,315 PDTA123TMB,315
Manufacturer NXP Semiconductors Nexperia USA Inc. Nexperia USA Inc. NXP USA Inc.
Vce Saturation (Max) @ Ib, Ic - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Current - Collector (Ic) (Max) - - - -
Transistor Type - - - -
Series - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
DC Current Gain (hFE) (Min) @ Ic, Vce - - - -
Current - Collector Cutoff (Max) - - - -
Power - Max - - - -
Resistor - Base (R1) - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Voltage - Collector Emitter Breakdown (Max) - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad

PDTA123TT,235 Datasheet PDF

Download PDTA123TT,235 pdf datasheets and Nexperia USA Inc. documentation for PDTA123TT,235 - Nexperia USA Inc..

Datasheets
PDTA123T Series.pdf
PCN Packaging
Label Chg 12/Mar/2017.pdf All Dev Label Chgs 2/Aug/2020.pdf
PCN Assembly/Origin
Multiple Parts 01/Apr/2022.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

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  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

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  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
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Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
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Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


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Nexperia USA Inc.

PDTA123TT,235

Nexperia USA Inc.
98D-PDTA123TT,235

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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