My Inquiry
My Account
Diodes Incorporated DCX53-13
- Part No.:
- DCX53-13
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Bipolar Transistors
- Package:
- TO-243AA
- Datasheet:
-
DCX53-13.pdf
- Description:
- TRANS PNP 80V 1A SOT-89-3
- Quantity:
- Payment:
- Shipping:
Inventory:942
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
DCX53-13 from Diodes Incorporated is a PNP surface-mount bipolar junction transistor (BJT) in SOT89-3L package, rated for -80 V VCEO, -1 A continuous collector current, and 1 W power dissipation at 25°C ambient. It delivers DC current gain (hFE) of 63–250 depending on bias condition and supports medium-power switching in industrial power supplies and linear amplification stages.
For engineers reviewing the DCX53-13 datasheet, DCX53-13 pinout, DCX53-13 application, or DCX53-13 equivalent, this page provides verified electrical parameters, thermal derating behavior, SOT89-3L terminal mapping, and validated alternatives for legacy design continuity and BOM rationalization.
Technical Context
This PNP transistor uses epitaxial planar die construction to ensure stable gain and low leakage across temperature. Its -100 V VCBO and -5 V VEBO support operation in negative-rail bias configurations with robust reverse-biased junction integrity.
The device exhibits fT = 200 MHz at IC = -50 mA and VCE = -5 V, enabling use in audio-frequency amplifiers and fast-switching control circuits. Saturation voltage VCE(SAT) ≤ -0.5 V at IC = -500 mA / IB = -50 mA confirms efficient conduction under medium-load conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | -80 V - Maximum safe collector-emitter voltage before breakdown in common-emitter configuration |
| IC (cont.) | -1 A - Continuous DC collector current rating at 25°C ambient, defining steady-state load capacity |
| PD | 1 W - Max power dissipation on FR-4 PCB with specified pad layout; derates to zero at 150°C ambient |
| hFE | 63–250 - DC current gain range across operating points; enables predictable base drive sizing |
| fT | 200 MHz - Unity-gain frequency confirming usable bandwidth up to audio and low-RF frequencies |
| RθJA | 125 °C/W - Junction-to-ambient thermal resistance; determines temperature rise per watt dissipated |
Pinout & Package
Package: SOT89-3L - Surface-mount plastic package with exposed thermal pad, UL 94V-0 rated, moisture sensitivity level 1, and matte tin-plated copper leadframe.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Tab) | Collector | Electrically connected to metal tab; primary heat path and high-current output node |
| 2 | Emitter | Current sink terminal; referenced to ground or negative rail in PNP switching applications |
| 3 | Base | Control input; requires negative bias relative to emitter to turn on conduction path |
Key Features
| Feature | Design Value |
|---|---|
| Epitaxial planar die construction | Ensures repeatable hFE distribution and low leakage (ICBO ≤ -100 nA) over temperature |
| SOT89-3L thermal pad | Enables 1 W dissipation with standard FR-4 layout; reduces junction temperature rise by ~30% vs. SOT23 |
| Lead-free/RoHS-compliant plating | Matte tin annealed over copper - compatible with Pb-free reflow profiles and IPC-J-STD-020C Level 1 handling |
| Complementary NPN pairing (DCX56) | Allows matched push-pull stage design with identical thermal and gain characteristics |
Applications
| Industrial Power Supply Regulation | Linear Audio Amplifier Stage |
|---|---|
Use Scenario: Medium-current pass transistor in adjustable negative-voltage regulators (e.g., -5 V to -24 V outputs). IC Role / Device Role / Timing Role: PNP series pass element controlling output voltage via base bias from error amplifier. Use Value: VCEO = -80 V and IC = -1 A support wide input-output differential and load step response without saturation. | Use Scenario: Class-A emitter-follower driver in low-noise preamplifier output stage. IC Role / Device Role / Timing Role: Voltage buffer delivering low-impedance drive to speaker or line-level load. Use Value: hFE ≥ 63 at IC = -5 mA ensures stable bias point; fT = 200 MHz preserves audio fidelity to 20 kHz. |
| Automotive Body Control Module | Industrial Relay Driver Circuit |
Use Scenario: Load switch for 12 V negative-ground solenoids and LED clusters in BCMs. IC Role / Device Role / Timing Role: High-side PNP switch controlled by microcontroller GPIO through base resistor network. Use Value: VCE(SAT) ≤ -0.5 V at -500 mA minimizes power loss and self-heating during sustained activation. | Use Scenario: Solid-state replacement for electromechanical relays driving 24 V DC industrial actuators. IC Role / Device Role / Timing Role: Medium-power switching transistor interfacing PLC outputs to inductive loads. Use Value: -100 V VCBO withstands inductive kickback; RθJA = 125 °C/W allows operation up to +85°C ambient without heatsink. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar PNP medium-power switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BCX53 | Same SOT89-3L package; VCEO = -80 V, but hFE min = 40 (vs. 63 for DCX53-13); slightly higher VCE(SAT) | Acceptable where lower gain margin and relaxed saturation voltage are tolerable | Preferred for cost-sensitive legacy replacements where full DCX53-13 gain spec is not required |
| BCX53-16 | Identical pinout and package; hFE bin = 100–250 (tighter than DCX53-13's 63–250), same VCEO/IC ratings | Better gain consistency for production-critical bias networks requiring tighter hFE spread | Select when circuit stability depends on narrow hFE variation across temperature and unit-to-unit |
Compared with BCX53 and BCX53-16, DCX53-13 offers broader hFE range (63–250) suitable for flexible bias design, while BCX53-16 provides tighter gain control for precision analog stages and BCX53 lowers cost where gain margin is less critical.
Availability
DCX53-13 is available at Aetrix Electronics and suitable for industrial power supplies, automotive body control modules, relay driver circuits, and linear audio amplifier stages requiring stable component supply and long-term BOM continuity.
Supply support for DCX53-13 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design and manufacturing operations across Asia and the Americas.
The DCX53-13 belongs to Diodes' general-purpose bipolar transistor product line, engineered for reliable medium-power switching and amplification in industrial, automotive, and consumer systems where thermal robustness and RoHS compliance are mandatory.
FAQ
What is the maximum junction temperature for DCX53-13?
The DCX53-13 has an absolute maximum junction temperature of +150°C, aligned with its specified operating and storage temperature range (Tj = -55°C to +150°C). Derating begins at 25°C ambient, with thermal resistance RθJA = 125°C/W determining allowable power at elevated temperatures.
Is DCX53-13 pin-compatible with BCX53?
Yes - DCX53-13 and BCX53 share identical SOT89-3L package dimensions, pin numbering (1=Collector/Tab, 2=Emitter, 3=Base), and terminal assignments. Both devices mount identically on PCBs and require no layout changes for substitution.
Does DCX53-13 support Pb-free reflow soldering?
Yes - DCX53-13 uses matte tin annealed over copper leadframe and complies with J-STD-020C Level 1 moisture sensitivity. It is qualified for standard Pb-free reflow profiles (peak temperature ≤ 260°C) without preconditioning.
Why is DCX53-13 marked "Not Recommended for New Design"?
Diodes Incorporated designates DCX53-13 as "Not Recommended for New Design" due to active migration toward newer-generation PNP transistors (e.g., BCX53-16) with tighter hFE bins and enhanced process control. Existing designs may continue using DCX53-13 under full lifecycle support.
DCX53-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- TO-243AA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Transistor Type:
- PNP
- Current - Collector (Ic) (Max):
- 1 A
- Voltage - Collector Emitter Breakdown (Max):
- 80 V
- Vce Saturation (Max) @ Ib, Ic:
- 500mV @ 50mA, 500mA
- Current - Collector Cutoff (Max):
- 100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 63 @ 150mA, 2V
- Power - Max:
- 1 W
- Frequency - Transition:
- 200MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-89-3
DCX53-13 FAQ
1.How can I place an order for DCX53-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for DCX53-13 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 DCX53-13 reliable?
The price and inventory of DCX53-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DCX53-13 is usually 5 days.
3.What payment methods are accepted for DCX53-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DCX53-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DCX53-13?
DCX53-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DCX53-13 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 DCX53-13?
For technical support, including DCX53-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DCX53-13 requirements.
6.How does Aetrix verify that DCX53-13 is sourced from the original manufacturer or authorized distributors?
All DCX53-13 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 DCX53-13 meets industry standards.
7.What is the process for return or replacement of DCX53-13?
All DCX53-13 units undergo pre-shipment inspection (PSI). If there is an issue with DCX53-13, 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 DCX53-13 part is unused and in its original packaging.
Return procedure for DCX53-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DCX53-13 Tags
-
MMBT3906LT1G
onsemi
-
MMBT3904-7-F
Diodes Incorporated
-
MMBT3904LT1G
onsemi
-
MMBT3906-7-F
Diodes Incorporated
-
MMBT3904-TP
Micro Commercial Co
-
MMBT2222A-7-F
Diodes Incorporated
-
BC846BLT1G
onsemi
-
BC847B,215
Nexperia USA Inc.
-
SMMBT3904LT1G
onsemi
-
MMBT2222A-TP
Micro Commercial Co
-
MMBTA06LT1G
onsemi
-
MMBT2222ALT1G
onsemi
Tech Hub
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
LDO regulator guide covering low dropout voltage, power dissipation, thermal design, PSRR, output noise, capacitor stability, adjustable LDO circuits, LDO vs buck converter and datasheet selection chec…
Conditional Access Module guide covering CAM meaning, CI/CI+ interface, smart card authorization, DVB security workflow, TV and set-top box compatibility, internal electronics, ESD protection, connecto…
Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
