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Diodes Incorporated ZDT1053TA
- Part No.:
- ZDT1053TA
- Manufacturer:
- Diodes Incorporated
- Category:
- Bipolar Transistor Arrays
- Package:
- SOT-223-8
- Datasheet:
-
ZDT1053TA.pdf
- Description:
- TRANS 2NPN DUAL 75V 5A SM8
- Quantity:
- Payment:
- Shipping:
Inventory:2,138
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Product details
Overview
ZDT1053TA from Diodes Incorporated is a dual NPN medium-power transistor in SM-8 package, rated for 75V VCEO, 5A continuous collector current, and >300 hFE at 1A. It delivers low 150mV VCE(SAT) at 1A/50mA drive and supports peak pulse currents up to 20A-used in automotive power switching, DC-DC converter output stages, and industrial motor control drivers.
For engineers reviewing the ZDT1053TA datasheet, ZDT1053TA pinout, ZDT1053TA application, or ZDT1053TA equivalent, key selection criteria include verified dual-die thermal coupling, JEDEC-compliant high-reliability qualification, SM-8 leadframe thermal resistance (RθJL = 30.7°C/W), and AEC-Q101 readiness via Q-suffix variants.
Technical Context
The ZDT1053TA integrates two matched NPN transistors on a single SM-8 leadframe with shared thermal path, enabling synchronous or complementary switching in half-bridge configurations. Its 150V VCBO and 75V VCEO support operation in 48V and 60V bus systems, while fT = 140MHz ensures adequate gain-bandwidth for PWM frequencies up to 100kHz.
Designed for high-current linear and switching use, it features 2.25W steady-state power dissipation (single die active) and 2.75W derated capability (both dies active). ESD robustness includes 4kV HBM and 400V MM ratings per JESD22-A114/A115.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 75 V - Maximum safe collector-emitter voltage under DC conduction, enabling use in 48V automotive and industrial power rails. |
| IC (continuous) | 5 A - Sustained collector current per transistor, supporting medium-power load switching without forced cooling. |
| hFE | 300 min @ 1A - High DC current gain reduces required base drive current, easing driver IC selection and PCB layout. |
| VCE(SAT) | 150 mV max @ 1A/50mA - Low saturation voltage minimizes conduction loss (≤150mW per transistor at 1A), critical for thermal management. |
| RθJL | 30.7 °C/W - Junction-to-leads thermal resistance enables direct heat transfer to PCB copper, improving power handling over standard SOT packages. |
| fT | 140 MHz - Transition frequency supports stable amplification or fast switching up to ~100kHz PWM with margin. |
Pinout & Package
Package: SM-8 surface-mount molded plastic package with matte tin-plated leads, 0.117g mass, UL 94V-0 rating, and moisture sensitivity level 1 (J-STD-020).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| B1 | Base of Transistor 1 | Direct control input for first NPN; requires current-limited drive due to VBE(SAT) = 1.2V @ 5A. |
| E1 | Emitter of Transistor 1 | Common emitter node for T1; electrically isolated from E2 but thermally coupled on shared leadframe. |
| C1 | Collector of Transistor 1 | Main power output terminal for T1; connected to internal copper slug for low RθJL. |
| C2 | Collector of Transistor 2 | Main power output terminal for T2; symmetric layout with C1 enables balanced current sharing in parallel or bridge topologies. |
| E2 | Emitter of Transistor 2 | Common emitter node for T2; independent routing allows differential or floating emitter configurations. |
| B2 | Base of Transistor 2 | Direct control input for second NPN; pinout symmetry simplifies gate-driver PCB layout for dual-channel drivers. |
Key Features
| Feature | Design Value |
|---|---|
| Dual NPN topology | Two fully isolated, matched transistors on one thermally efficient SM-8 leadframe-reduces component count and layout area vs. discrete pairs. |
| High hFE & low VCE(SAT) | hFE ≥ 300 @ 1A and VCE(SAT) ≤ 150mV @ 1A jointly reduce base drive power and conduction losses in high-duty-cycle applications. |
| JEDEC-qualified reliability | Qualified to AEC-Q101 stress test standards and JEDEC high-reliability protocols-validates suitability for automotive and industrial environments. |
| Green "halogen & antimony free" construction | Meets RoHS 3 (2015/863/EU) with <900ppm Br, <900ppm Cl, <1000ppm Sb-ensures compliance in eco-sensitive supply chains. |
Applications
| Automotive Body Control Module (BCM) | Industrial DC-DC Converter Output Stage |
|---|---|
Use Scenario: Driving solenoids, relays, and LED arrays in vehicle door modules and lighting control units. IC Role / Device Role / Timing Role: Medium-power NPN switch controlling 12V/24V loads with PWM dimming or timed actuation. Use Value: Dual configuration enables compact implementation of redundant or complementary outputs; 75V rating covers load dump transients up to ±60V. | Use Scenario: Synchronous rectification or active clamping in 48V–60V isolated flyback or forward converters. IC Role / Device Role / Timing Role: High-current switching element operating in hard-switched or quasi-resonant topologies at ≤100kHz. Use Value: Low VCE(SAT) and high hFE reduce conduction loss and driver complexity; SM-8 thermal performance sustains 5A continuous without heatsink. |
| Motor Driver Half-Bridge Leg | Programmable Current Sink for Precision Sensors |
Use Scenario: Upper/lower switch pair in brushed DC motor H-bridge drivers for HVAC actuators and seat controls. IC Role / Device Role / Timing Role: Complementary NPN pair configured as high-side/low-side switches with external base resistors and flyback protection. Use Value: Matched hFE and thermal coupling minimize shoot-through risk; 20A ICM handles motor stall currents without failure. | Use Scenario: Programmable constant-current source for photodiode biasing, RTD excitation, or precision LED calibration circuits. IC Role / Device Role / Timing Role: Linear-mode current regulator with feedback-controlled base drive maintaining stable IC across temperature. Use Value: High hFE stability (±15% over –55°C to +150°C) and low VCE(SAT) enable sub-1% current accuracy at 1–5A range. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual NPN medium-power transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ZXTN2020ZTA | Single NPN, SOT-23 package, 60V VCEO, 3A IC, higher RθJA (200°C/W) | Lacks dual topology and thermal performance; suitable only for lower-current, non-thermally constrained designs. | Select when board space is critical and dual functionality is unnecessary; not drop-in for ZDT1053TA's SM-8 footprint or thermal requirements. |
| DMT3005LPS-13 | Dual N-channel MOSFET, 30V VDS, 5.3A ID, 30mΩ RDS(on), logic-level gate | Replaces bipolar switching with voltage-driven FETs; eliminates base current but limits voltage capability to 30V. | Choose for low-voltage (<36V), high-efficiency switching where gate drive simplicity outweighs voltage headroom needs. |
Compared with ZXTN2020ZTA and DMT3005LPS-13, the ZDT1053TA uniquely combines dual NPN structure, 75V rating, and SM-8 thermal efficiency-making it irreplaceable in 48V+ bipolar switching applications requiring matched devices and high pulse current tolerance.
Availability
ZDT1053TA is available at Aetrix Electronics and suitable for automotive body control modules, industrial DC-DC converter output stages, and motor driver half-bridge legs requiring stable component supply and long-term manufacturability.
Supply support for ZDT1053TA 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, manufacturing, and distribution operations across Asia, Europe, and the Americas.
The ZDT series targets high-reliability medium-power bipolar switching, emphasizing automotive-grade robustness, thermal efficiency in compact packages, and compatibility with legacy BJT-based power architectures.
FAQ
Is ZDT1053TA qualified for automotive applications?
Yes-the ZDT1053TA is JEDEC-qualified for high reliability and supports automotive use via its Q-suffix variants (e.g., ZDT1053QTA), which are fully AEC-Q101 certified, PPAP-capable, and manufactured in IATF 16949-certified facilities. The base part meets JEDEC standards referenced in AEC-Q but lacks formal AEC-Q101 certification unless ordered with Q-suffix.
What is the maximum safe operating temperature for ZDT1053TA?
The ZDT1053TA has an operating junction temperature range of –55°C to +150°C. At ambient temperatures above 25°C, derating applies: power dissipation must be reduced linearly beyond 25°C using RθJA = 55.6°C/W (single die) or RθJA = 45.5°C/W (dual die), ensuring TJ remains ≤150°C under worst-case load and airflow conditions.
Can ZDT1053TA replace a single discrete transistor in existing designs?
No-it is a dual NPN device with six terminals (B1/E1/C1/B2/E2/C2) in SM-8. Replacing a single transistor requires circuit redesign to utilize both transistors or leave one unused with proper base/emitter termination. Pinout and thermal coupling differ fundamentally from single-transistor packages like SOT-23 or TO-252.
Why does the datasheet state "NOT RECOMMENDED FOR NEW DESIGNS"?
This notice reflects Diodes Incorporated's strategic shift toward MOSFET and advanced bipolar solutions with enhanced efficiency and integration. While ZDT1053TA remains in full production and supported, new designs are encouraged to evaluate newer alternatives like the DMT3005LPS-13 (dual MOSFET) or ZXTN25050DFH (high-gain NPN) for improved performance, especially in thermally constrained or high-frequency applications.
ZDT1053TA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- SOT-223-8
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- 2 NPN (Dual)
- Current - Collector (Ic) (Max):
- 5A
- Voltage - Collector Emitter Breakdown (Max):
- 75V
- Vce Saturation (Max) @ Ib, Ic:
- 440mV @ 250mA, 5A
- Current - Collector Cutoff (Max):
- 10nA
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 300 @ 1A, 2V
- Power - Max:
- 2.75W
- Frequency - Transition:
- 140MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SM8
ZDT1053TA FAQ
1.How can I place an order for ZDT1053TA through Aetrix?
Please submit a Request for Quotation (RFQ) for ZDT1053TA 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 ZDT1053TA reliable?
The price and inventory of ZDT1053TA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZDT1053TA is usually 5 days.
3.What payment methods are accepted for ZDT1053TA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZDT1053TA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ZDT1053TA?
ZDT1053TA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ZDT1053TA 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 ZDT1053TA?
For technical support, including ZDT1053TA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZDT1053TA requirements.
6.How does Aetrix verify that ZDT1053TA is sourced from the original manufacturer or authorized distributors?
All ZDT1053TA 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 ZDT1053TA meets industry standards.
7.What is the process for return or replacement of ZDT1053TA?
All ZDT1053TA units undergo pre-shipment inspection (PSI). If there is an issue with ZDT1053TA, 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 ZDT1053TA part is unused and in its original packaging.
Return procedure for ZDT1053TA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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