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Diodes Incorporated ZXT1053AKQTC
- Part No.:
- ZXT1053AKQTC
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Bipolar Transistors
- Package:
- TO-252-3, DPAK (2 Leads + Tab), SC-63
- Datasheet:
-
ZXT1053AKQTC.pdf
- Description:
- TRANS NPN 75V 5A TO252
- Quantity:
- Payment:
- Shipping:
Inventory:6,448
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Product details
Overview
ZXT1053AKQTC from Diodes Incorporated is a 75V NPN medium-power bipolar junction transistor optimized for high-current switching in automotive and industrial power circuits. It delivers 5A continuous collector current, 10A peak pulse capability, 70mΩ equivalent on-resistance, and maintains hFE ≥260 at IC = 10mA and ≥375 at IC = 5A - enabling robust gain retention under load in DC–DC converters and motor control stages.
For engineers reviewing the ZXT1053AKQTC datasheet, ZXT1053AKQTC pinout, ZXT1053AKQTC application, or ZXT1053AKQTC equivalent, key selection criteria include its AEC-Q101 qualification, TO252 (DPAK) package with exposed collector pad for thermal management, low VCE(sat) of 140mV at IC = 5A/IB = 200mA, and validated performance across –55°C to +150°C operating range.
Technical Context
This NPN transistor uses epitaxial planar die construction with optimized base doping and emitter geometry to sustain high hFE up to 10A while minimizing saturation voltage. Its BVCEO of 75V and BVCBO of 150V support operation in 48V automotive systems and 24V industrial inverters with margin against transients.
The device integrates a thermally enhanced TO252 package where the exposed collector pad serves as both electrical terminal and primary heat path to PCB copper. RθJL of 2.97°C/W (junction-to-leads) and RθJA of 32°C/W (on 50mm × 50mm 2oz FR4) enable stable 4.0W power dissipation under defined board layout conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 75 V - Withstands 48V system rail + 50% transient margin without breakdown in automotive power switches. |
| IC (continuous) | 5 A - Supports sustained load current in motor driver half-bridges and DC–DC synchronous rectifier stages. |
| VCE(sat) @ 5A/200mA | 140 mV - Limits conduction loss to ≤0.7 W at full load, reducing thermal stress in compact layouts. |
| hFE @ 5A | ≥375 - Ensures sufficient base drive efficiency and stable switching behavior under high-current saturation. |
| RθJA (50mm×50mm 2oz) | 32 °C/W - Enables 4.0W power dissipation with ≤128°C junction rise above 25°C ambient, meeting AEC-Q101 thermal limits. |
| ESD HBM | 4000 V - Provides robust handling tolerance during automated assembly and board-level integration. |
| Operating TJ | –55°C to +150°C - Validated for under-hood automotive environments and industrial motor control enclosures. |
Pinout & Package
Package: TO252 (DPAK), surface-mount with exposed collector pad (pin 3) for thermal and electrical connection to PCB ground plane or power rail.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Emitter) | Current sink node | Low-impedance return path; connects to load ground or low-side shunt in switching topologies. |
| 2 (Base) | Control input | Receives TTL- or CMOS-compatible drive; requires ≥200mA peak for full saturation at 5A collector current. |
| 3 (Collector) | High-current output / thermal interface | Primary power terminal and thermal conduit; must be soldered to ≥25mm² 2oz copper for rated power handling. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive power applications including engine control modules and body electronics with zero defect requirements. |
| Low VCE(sat) at high IC | 140 mV at 5A ensures <0.7W conduction loss, reducing heatsink dependency in space-constrained modules. |
| High hFE retention to 10A | hFE ≥375 at 5A enables simplified base drive circuitry and lower gate-driver IC cost in discrete switch designs. |
| Green, RoHS-compliant construction | Halogen- and antimony-free molding compound (<900ppm Br+Cl, <1000ppm Sb) meets global environmental compliance mandates. |
Applications
| Automotive Power Switching | Industrial DC–DC Converters |
|---|---|
Use Scenario: High-side load switch in 12V/48V vehicle subsystems (e.g., HVAC actuators, lighting control). IC Role / Device Role / Timing Role: NPN power switch controlling current flow to resistive or inductive loads with fast turn-on/off. Use Value: 75V VCEO and AEC-Q101 rating ensure reliability across cold-crank and load-dump transients per ISO 7637-2. |
Use Scenario: Synchronous rectifier or main switch in isolated flyback or forward converters (24–48V input). IC Role / Device Role / Timing Role: Medium-power switching element handling 3–5A continuous output current with minimal conduction loss. Use Value: 140mV VCE(sat) at 5A reduces average power loss by >30% versus standard 200mV devices, improving efficiency at 500kHz switching. |
| Motor Control Half-Bridge | Inverter Output Stage |
Use Scenario: Low-side switch in brushed DC motor drivers for power tools or industrial pumps. IC Role / Device Role / Timing Role: Current-handling transistor in H-bridge configuration with PWM-controlled direction/speed. Use Value: 10A peak current rating supports stall-current surges; hFE ≥375 ensures stable base drive even at elevated junction temperatures. |
Use Scenario: Output stage in single-phase AC inverters for HVAC compressors or solar microinverters. IC Role / Device Role / Timing Role: Medium-power switching device in totem-pole or half-bridge topology driving transformer-coupled loads. Use Value: TO252 thermal design supports 4.0W dissipation on standard 2oz PCBs, eliminating need for external heatsinks in <1kW systems. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NPN medium-power switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ZXT1051AKQTC | Lower VCEO (60V) and reduced IC (3A); identical TO252 package and AEC-Q101 qualification. | Suitable only for ≤24V systems; not recommended for 48V automotive or industrial inverters requiring 75V margin. | Select when cost optimization is prioritized over voltage headroom and peak current capability. |
| DMT6009LPS | N-channel MOSFET (60V, 9.5A), logic-level gate, RDS(on) = 11mΩ @ VGS = 4.5V; no base drive current required. | Enables simpler gate drive but lacks inherent current gain; requires higher gate charge and exhibits capacitive turn-off delay. | Prefer for high-frequency (>1MHz) switching where low Qg and zero gate current outweigh bipolar advantages in gain and SOA. |
Compared with ZXT1051AKQTC, the ZXT1053AKQTC provides 15V higher breakdown and 2A more continuous current - critical for 48V architectures. Against DMT6009LPS, it offers superior safe operating area at high VCE and inherent current amplification, though at the cost of base drive complexity.
Availability
ZXT1053AKQTC is available at Aetrix Electronics and suitable for automotive power switching, industrial DC–DC converters, and motor control applications requiring stable component supply, AEC-Q101 compliance, and thermal reliability in TO252 packaging.
Supply support for ZXT1053AKQTC 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, specializing in high-reliability components for automotive, industrial, and computing markets.
The ZXT series targets medium-power bipolar switching applications demanding AEC-Q101 qualification, low saturation voltage, and thermal robustness - designed specifically for automotive body electronics, industrial motor drives, and power conversion systems.
FAQ
What is the maximum allowable junction temperature for ZXT1053AKQTC?
The absolute maximum operating junction temperature is +150°C, verified per AEC-Q101 stress testing. Derating begins at +25°C ambient, with maximum power dissipation dropping linearly to zero at +150°C case temperature when mounted on 50mm × 50mm 2oz FR4. Thermal shutdown is not integrated; external thermal monitoring is required for safety-critical use.
Is ZXT1053AKQTC pin-compatible with ZXT1053AKTC?
Yes - both share identical TO252 (DPAK) mechanical outline, pin 1 (emitter), pin 2 (base), and pin 3 (collector) assignments. The "Q" in ZXT1053AKQTC denotes automotive-grade traceability and PPAP documentation; electrically and thermally, they are identical per Diodes Incorporated's product compliance definitions.
Does ZXT1053AKQTC require a base resistor in typical switching applications?
Yes - a series base resistor is mandatory to limit IB and prevent thermal runaway. For 5A collector current, IB ≈ 200mA is required; with a 3.3V or 5V logic driver, a 10Ω–22Ω resistor (1W rating) ensures proper saturation while absorbing transient energy during switching transitions.
Can ZXT1053AKQTC be used in linear regulator applications?
No - it is optimized for switching operation, not linear regulation. Its Safe Operating Area (SOA) curve shows limited second breakdown capability at high VCE/IC combinations, and thermal resistance is specified for pulsed or switched duty cycles, not DC bias. Use dedicated linear pass transistors or LDO ICs for regulated output applications.
ZXT1053AKQTC Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- TO-252-3, DPAK (2 Leads + Tab), SC-63
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- NPN
- Current - Collector (Ic) (Max):
- 5 A
- Voltage - Collector Emitter Breakdown (Max):
- 75 V
- Vce Saturation (Max) @ Ib, Ic:
- 460mV @ 200mA, 5A
- Current - Collector Cutoff (Max):
- 10nA
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 300 @ 1A, 2V
- Power - Max:
- 2.1 W
- Frequency - Transition:
- 140MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-252 (DPAK)
ZXT1053AKQTC FAQ
1.How can I place an order for ZXT1053AKQTC through Aetrix?
Please submit a Request for Quotation (RFQ) for ZXT1053AKQTC 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 ZXT1053AKQTC reliable?
The price and inventory of ZXT1053AKQTC are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZXT1053AKQTC is usually 5 days.
3.What payment methods are accepted for ZXT1053AKQTC?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZXT1053AKQTC transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ZXT1053AKQTC?
ZXT1053AKQTC orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ZXT1053AKQTC 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 ZXT1053AKQTC?
For technical support, including ZXT1053AKQTC datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZXT1053AKQTC requirements.
6.How does Aetrix verify that ZXT1053AKQTC is sourced from the original manufacturer or authorized distributors?
All ZXT1053AKQTC 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 ZXT1053AKQTC meets industry standards.
7.What is the process for return or replacement of ZXT1053AKQTC?
All ZXT1053AKQTC units undergo pre-shipment inspection (PSI). If there is an issue with ZXT1053AKQTC, 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 ZXT1053AKQTC part is unused and in its original packaging.
Return procedure for ZXT1053AKQTC:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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