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Diodes Incorporated DCX52-16-13
- Part No.:
- DCX52-16-13
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Bipolar Transistors
- Package:
- TO-243AA
- Datasheet:
-
DCX52-16-13.pdf
- Description:
- TRANS PNP 60V 1A SOT-89-3
- Quantity:
- Payment:
- Shipping:
Inventory:100
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Product details
Overview
DCX52-16-13 from Diodes Incorporated is a PNP epitaxial planar silicon transistor in SOT89-3L package, rated for -60 V VCEO, -1 A continuous collector current, and 1 W power dissipation at 25°C ambient - used as medium-power switching or linear amplification device in DC-DC converter bias circuits and industrial control signal stages.
For engineers reviewing the DCX52-16-13 datasheet, DCX52-16-13 pinout, DCX52-16-13 application, or DCX52-16-13 equivalent, key selection criteria include verified hFE range (100–250 @ IC = -150 mA), VCE(SAT) ≤ -0.5 V @ IC = -500 mA/IB = -50 mA, thermal resistance RθJA = 125 °C/W, and RoHS-compliant matte tin-plated terminals on copper leadframe.
Technical Context
This PNP bipolar junction transistor operates with reverse-polarity voltage ratings (VCBO = VCEO = -60 V, VEBO = -5 V) and supports pulsed switching up to -1.5 A peak current. Its fT of 200 MHz enables stable gain in low-frequency switching and audio-range amplification.
The device uses a green molding compound (UL 94V-0), moisture sensitivity level 1 per J-STD-020C, and is optimized for automated SMT placement. Thermal derating follows Fig. 1: power dissipation drops linearly from 1 W at 25°C to zero at 150°C ambient.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | -60 V - Maximum reverse collector-emitter voltage before breakdown; defines safe operating range in high-side switch configurations. |
| IC (cont.) | -1 A - Continuous DC collector current capability; sets upper limit for steady-state load switching in industrial drivers. |
| PD | 1 W @ TA = 25°C - Power handling on FR-4 PCB with Diodes Inc. recommended pad layout; requires thermal management above 25°C ambient. |
| hFE | 100–250 @ IC = -150 mA, VCE = -2 V - Confirmed DC current gain range; ensures predictable base drive sizing for saturation in switching designs. |
| VCE(SAT) | ≤ -0.5 V @ IC = -500 mA, IB = -50 mA - Verified saturation voltage; determines conduction loss and heat generation in on-state operation. |
| fT | 200 MHz @ IC = -50 mA, VCE = -5 V - Small-signal transition frequency; confirms suitability for <10 MHz switching and audio preamplifier stages. |
Pinout & Package
Package: SOT89-3L - surface-mount plastic package with exposed thermal tab (pin 3), UL 94V-0 rated, 0.072 g mass, and matte tin-plated copper leadframe for lead-free reflow compatibility.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Collector | Main current sink terminal; electrically connected to exposed thermal pad (pin 3) for enhanced heat transfer in PCB layout. |
| 2 | Emitter | Current source terminal in PNP configuration; tied to higher potential rail in high-side switch applications. |
| 3 | Base | Control input; requires negative base current relative to emitter to turn on; referenced to emitter for bias network design. |
| 4 (Tab) | Collector (Thermal) | Exposed metal tab - internally connected to collector (pin 1); must be soldered to copper pour for thermal performance and electrical continuity. |
Key Features
| Feature | Design Value |
|---|---|
| Epitaxial planar die construction | Enables tight parameter distribution and stable hFE across production lots, critical for consistent base drive requirements. |
| SOT89-3L package with thermal tab | Provides 125 °C/W RθJA on standard FR-4; allows 1 W dissipation without heatsink at ≤25°C ambient. |
| RoHS-compliant matte tin plating | Ensures reliable solder wetting and intermetallic formation during Pb-free reflow (J-STD-020C Level 1 MSL). |
| Green molding compound (UL 94V-0) | Meets flammability safety standards for industrial enclosures and power supply housings without halogen additives. |
Applications
| Industrial Motor Control | DC-DC Converter Bias Circuit |
|---|---|
Use Scenario: Driving gate resistors or optocoupler LEDs in isolated half-bridge driver stages for 24 V DC motor controllers. IC Role / Device Role / Timing Role: Medium-power PNP switch providing controlled current sink to enable/disable high-side MOSFET gate drivers. Use Value: VCE(SAT) ≤ -0.5 V minimizes power loss in bias path; hFE ≥ 100 ensures stable turn-on with microcontroller GPIO-level base drive. | Use Scenario: Supplying regulated bias current to error amplifier and reference ICs in 12 V → 3.3 V buck converter feedback networks. IC Role / Device Role / Timing Role: Linear current source transistor regulating reference IC operating current independent of output load transients. Use Value: Stable hFE (100–250) and low VBE(ON) (-1.0 V) enable precise current setting with minimal temperature drift. |
| Programmable Logic Controller I/O | Industrial Sensor Signal Conditioning |
Use Scenario: Level-shifting and current amplification for 24 V digital input modules interfacing with 3.3 V/5 V microcontrollers. IC Role / Device Role / Timing Role: PNP interface buffer isolating field-side 24 V signals from logic-side low-voltage circuitry. Use Value: -60 V VCEO withstands industrial surge transients; -1 A IC supports multiple parallel inputs per channel. | Use Scenario: Amplifying low-level analog outputs (e.g., 4–20 mA transmitter signals) before ADC sampling in process monitoring systems. IC Role / Device Role / Timing Role: Linear-mode PNP amplifier stage with fixed emitter degeneration for stable gain and bandwidth control. Use Value: fT = 200 MHz ensures flat response up to 100 kHz; low Cobo (25 pF) prevents instability in feedback loops. |
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 |
|---|---|---|---|
| ZTX753 | VCEO = -60 V, IC = -1 A, hFE = 100–300, SOT89-3L, but RθJA = 150 °C/W (vs. 125 °C/W) | Lower thermal efficiency limits continuous power to ~0.8 W at 25°C ambient | Select when wider hFE spread is acceptable and thermal margin is available. |
| MJD2955T4G | VCEO = -60 V, IC = -10 A, TO-220 package, RθJA = 30 °C/W - significantly higher power capacity but larger footprint | Requires heatsink and through-hole assembly; unsuitable for space-constrained SMT designs | Select only when >1 W continuous dissipation is required and board real estate permits TO-220 mounting. |
Compared with ZTX753 and MJD2955T4G, DCX52-16-13 delivers optimal balance of thermal performance (125 °C/W), compact SMT form factor, and tightly specified hFE - making it preferred for high-density industrial control PCBs where 1 W dissipation and automated assembly are mandatory.
Availability
DCX52-16-13 is available at Aetrix Electronics and suitable for industrial motor control, programmable logic controller I/O modules, and DC-DC converter bias circuits requiring stable component supply, full traceability, and long-term lifecycle support.
Supply support for DCX52-16-13 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 centers across Asia and manufacturing in China, Taiwan, and Malaysia.
The DCX52 series belongs to Diodes' general-purpose bipolar transistor product line, engineered specifically for cost-sensitive, medium-power industrial switching and amplification applications where reliability under thermal stress and RoHS compliance are mandatory.
FAQ
What is the maximum allowable junction temperature for DCX52-16-13?
The absolute maximum junction temperature is +150°C, as specified in the Thermal Characteristics table. Operation beyond this limit risks permanent degradation of the epitaxial planar structure. Derating begins at 25°C ambient per Fig. 1, reaching zero power dissipation at +150°C ambient due to RθJA = 125 °C/W.
Is DCX52-16-13 pin-compatible with DCX52-13?
Yes - both share identical SOT89-3L pinout (Collector–Emitter–Base), marking differences only reflect date code and internal wafer lot. Electrical specifications, thermal behavior, and mechanical dimensions are fully identical; they are functionally interchangeable in all designs.
Can DCX52-16-13 be used in linear amplifier configurations?
Yes - its specified VBE(ON) (-1.0 V), hFE (100–250), and fT (200 MHz) support Class-A and Class-AB linear operation. However, linear use requires strict thermal management: at 500 mW dissipation, junction temperature rises ~62.5°C above ambient, necessitating adequate copper area or forced airflow.
Does the exposed thermal tab require electrical isolation from PCB ground?
No - the tab is internally connected to pin 1 (collector), not isolated. It must be soldered directly to a collector-referenced copper pour. Using it as a grounded heat sink would short the collector to ground and destroy the device. Layout must maintain collector potential on the thermal pad net.
DCX52-16-13 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):
- 60 V
- Vce Saturation (Max) @ Ib, Ic:
- 500mV @ 50mA, 500mA
- Current - Collector Cutoff (Max):
- 100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 100 @ 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
DCX52-16-13 FAQ
1.How can I place an order for DCX52-16-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for DCX52-16-13 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 DCX52-16-13 reliable?
The price and inventory of DCX52-16-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DCX52-16-13 is usually 5 days.
3.What payment methods are accepted for DCX52-16-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DCX52-16-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DCX52-16-13?
DCX52-16-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DCX52-16-13 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 DCX52-16-13?
For technical support, including DCX52-16-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DCX52-16-13 requirements.
6.How does Aetrix verify that DCX52-16-13 is sourced from the original manufacturer or authorized distributors?
All DCX52-16-13 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 DCX52-16-13 meets industry standards.
7.What is the process for return or replacement of DCX52-16-13?
All DCX52-16-13 units undergo pre-shipment inspection (PSI). If there is an issue with DCX52-16-13, 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 DCX52-16-13 part is unused and in its original packaging.
Return procedure for DCX52-16-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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