Diodes Incorporated DCX52-13
- Part No.:
- DCX52-13
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Bipolar Transistors
- Package:
- TO-243AA
- Datasheet:
-
DCX52-13.pdf
- Description:
- TRANS PNP 60V 1A SOT-89-3
- Quantity:
- Payment:

- Shipping:

Inventory:9,250
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
DCX52-13 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 - designed for medium-power switching and linear amplification in industrial power supplies and motor control stages.
For engineers reviewing the DCX52-13 datasheet, DCX52-13 pinout, DCX52-13 application, or DCX52-13 equivalent, key selection criteria include verified VCEO/VCBO ratings, hFE range (100–250 @ -150 mA), thermal resistance (125°C/W), and RoHS-compliant lead-free plating on copper leadframe.
Technical Context
This PNP bipolar junction transistor operates with base-emitter turn-on voltage of -1.0 V at -500 mA, achieving VCE(SAT) ≤ -0.5 V under same conditions. Its fT of 200 MHz supports high-speed switching up to ~100 kHz in PWM-driven loads.
Thermal performance is defined by RθJA = 125°C/W on FR-4 PCB per AP02001 layout, with safe operating area bounded by -60 V breakdown limits and -1.5 A peak pulse rating. Moisture sensitivity level is J-STD-020C Level 1.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | -60 V - Maximum allowable collector-emitter voltage before avalanche breakdown in common-emitter configuration. |
| IC (continuous) | -1 A - Continuous DC collector current capability at TA = 25°C with derating above 25°C per Fig. 1. |
| PD | 1 W - Total power dissipation limit on standard FR-4 PCB; requires thermal pad layout per AP02001 for full rating. |
| hFE | 100–250 - DC current gain range at IC = -150 mA, VCE = -2 V; enables predictable base drive sizing. |
| fT | 200 MHz - Transition frequency at IC = -50 mA, VCE = -5 V; confirms suitability for fast-switching applications. |
| RθJA | 125 °C/W - Junction-to-ambient thermal resistance; determines temperature rise under given power load on specified PCB. |
Pinout & Package
Package: SOT89-3L - surface-mount plastic package with exposed thermal pad, UL 94V-0 rated molding compound, matte tin-plated copper leadframe, and moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Emitter) | E | Main current exit path for PNP device; connected to higher potential node in switching configurations. |
| 2 (Base) | B | Control terminal; requires negative bias relative to emitter to forward-bias BE junction and enable conduction. |
| 3 (Collector) | C | Main current entry path; tied to load or supply rail depending on circuit topology (e.g., high-side switch). |
| 4 (Collector tab) | C (thermal) | Exposed metal tab electrically and thermally connected to collector; must be soldered to PCB copper pour for thermal management. |
Key Features
| Feature | Design Value |
|---|---|
| Epitaxial planar die construction | Enables tight parameter distribution, stable hFE, and repeatable VCE(SAT) across production lots. |
| SOT89-3L package with thermal tab | Provides 1 W dissipation capability with minimal PCB real estate and compatibility with automated pick-and-place. |
| Lead-free / RoHS-compliant plating | Matte tin annealed over copper meets JEDEC J-STD-020C Level 1 and eliminates post-solder cleaning requirements. |
| Complementary NPN type (DCX55) | Enables matched push-pull or H-bridge designs without cross-manufacturer qualification effort. |
Applications
| Industrial Power Supply Regulation | DC Motor Driver Stage |
|---|---|
Use Scenario: Medium-current series pass element in adjustable linear regulators or foldback current limit circuits. IC Role / Device Role / Timing Role: PNP switching transistor controlling output voltage via emitter-follower configuration with feedback loop. Use Value: -60 V VCEO and -1 A IC support 48 V input rails; low VCE(SAT) minimizes dropout and heat generation. | Use Scenario: High-side switch in brushed DC motor H-bridge or direction-control stage. IC Role / Device Role / Timing Role: PNP transistor sourcing current to motor winding during forward drive phase. Use Value: Verified -1.5 A ICM and 200 MHz fT allow clean PWM switching up to 50 kHz with minimal switching loss. |
| LED Constant-Current Driver | Overvoltage Protection Circuit |
Use Scenario: Linear current regulator for high-brightness LED strings in signage or architectural lighting. IC Role / Device Role / Timing Role: PNP pass device operating in active region, modulated by op-amp feedback to maintain fixed LED current. Use Value: Tight hFE tolerance (100–250) ensures consistent current regulation across temperature and unit variance. | Use Scenario: Crowbar or clamp element triggered by Zener reference to protect downstream 24 V logic from transient overvoltage. IC Role / Device Role / Timing Role: PNP transistor acting as fast-acting shunt switch when overvoltage exceeds V(BR)CEO threshold. Use Value: -60 V V(BR)CEO and -100 nA ICBO at 150°C ensure reliable clamping without leakage-induced false triggering. |
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, but hFE min = 100 @ -10 mA only; fT not specified. | Limited high-current gain verification; unsuitable for >100 mA linear amplification where DCX52-13's hFE is guaranteed. | Select DCX52-13 when hFE stability at -150 mA is required; ZTX753 acceptable only for low-duty-cycle switching. |
| MMBT4403 | SOT-23 package, IC = -0.6 A, PD = 0.35 W - significantly lower power handling and thermal capability. | Not viable for 1 W dissipation or >600 mA continuous loads; requires redesign of thermal layout and drive network. | Choose MMBT4403 only for space-constrained, low-power signal switching; DCX52-13 remains preferred for medium-power roles. |
Compared with ZTX753 and MMBT4403, DCX52-13 uniquely delivers verified hFE (100–250) at -150 mA, 1 W dissipation in SOT89-3L, and 200 MHz fT - making it the only option qualified for both linear regulation and high-frequency PWM switching in the same design.
Availability
DCX52-13 is available at Aetrix Electronics and suitable for industrial power supplies, DC motor drivers, LED constant-current modules, and overvoltage protection circuits requiring stable component supply and long-term manufacturability.
Supply support for DCX52-13 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 DCX52-13 belongs to Diodes' general-purpose bipolar transistor product line, engineered specifically for cost-sensitive, medium-power industrial and automotive-qualified applications demanding reliability, thermal robustness, and RoHS compliance.
FAQ
What is the maximum safe operating temperature for DCX52-13?
The DCX52-13 has an operating junction temperature range of -55°C to +150°C. Its maximum ambient temperature depends on power dissipation and PCB thermal design: at 1 W load, ambient must stay ≤25°C unless enhanced cooling (e.g., larger copper pour) is applied per AP02001 layout guidelines.
Is DCX52-13 pin-compatible with DCX52-16?
Yes - both DCX52-13 and DCX52-16 share identical SOT89-3L package, pinout (E-B-C-tab), and electrical specifications except hFE: DCX52-13 has hFE = 63–250, while DCX52-16 is binned to hFE = 100–250. No layout change is needed for substitution.
Does DCX52-13 require a heatsink in standard applications?
No external heatsink is required if mounted on FR-4 PCB using Diodes' recommended AP02001 pad layout (3.0 × 2.7 mm thermal pad). The 125°C/W RθJA assumes this layout; doubling copper area reduces RθJA by ~20%, enabling full 1 W operation at higher ambient temperatures.
Can DCX52-13 be used in avalanche mode?
No - DCX52-13 is not characterized or rated for avalanche energy absorption. Its -60 V V(BR)CEO is a DC breakdown rating under pulsed test conditions; sustained operation near breakdown risks parametric shift or failure. Use dedicated avalanche-rated transistors for snubber or clamping applications.
DCX52-13 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:
- 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
DCX52-13 FAQ
1.How can I place an order for DCX52-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for DCX52-13 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 DCX52-13 reliable?
The price and inventory of DCX52-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DCX52-13 is usually 5 days.
3.What payment methods are accepted for DCX52-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DCX52-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DCX52-13?
DCX52-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DCX52-13 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 DCX52-13?
For technical support, including DCX52-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DCX52-13 requirements.
6.How does Aetrix verify that DCX52-13 is sourced from the original manufacturer or authorized distributors?
All DCX52-13 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 DCX52-13 meets industry standards.
7.What is the process for return or replacement of DCX52-13?
All DCX52-13 units undergo pre-shipment inspection (PSI). If there is an issue with DCX52-13, 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 DCX52-13 part is unused and in its original packaging.
Return procedure for DCX52-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DCX52-13 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…

