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Diodes Incorporated ZDT1053TC
- Part No.:
- ZDT1053TC
- Manufacturer:
- Diodes Incorporated
- Category:
- Bipolar Transistor Arrays
- Package:
- SOT-223-8
- Datasheet:
-
ZDT1053TC.pdf
- Description:
- TRANS 2NPN DUAL 75V 5A SM8
- Quantity:
- Payment:
- Shipping:
Inventory:8,793
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Product details
Overview
ZDT1053TC from Diodes Incorporated is a dual NPN medium-power transistor in SM-8 package, rated for 75V VCEO, 5A continuous collector current, and 20A peak pulse current. It delivers high DC current gain (hFE > 300 @ 1A) and low saturation voltage (VCE(SAT) < 150 mV @ 1A), enabling efficient switching in automotive power control and industrial motor drive stages.
For engineers reviewing the ZDT1053TC datasheet, ZDT1053TC pinout, ZDT1053TC application, or ZDT1053TC equivalent, key selection criteria include verified dual-die thermal coupling, JEDEC-qualified reliability for high-temp environments, and validated SM-8 leadframe thermal resistance (RθJL = 30.7°C/W).
Technical Context
The ZDT1053TC integrates two matched NPN transistors on a single die within an SM-8 thermally enhanced leadframe. Its dual configuration supports push-pull, complementary driver, or parallel current-sharing topologies without inter-device mismatch concerns.
It operates across –55°C to +150°C with guaranteed breakdown voltages (BVCBO = 150 V, BVCEO = 75 V) and pulsed switching performance (tON = 90 ns, tOFF = 750 ns at IC = 2 A), meeting JEDEC high-reliability standards for automotive-grade derivatives.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 75 V - Enables use in 48V automotive and industrial bus-switching applications without derating. |
| IC (continuous) | 5 A - Supports sustained load switching in motor gate drivers and solenoid controls. |
| hFE @ 1A | >300 - Reduces required base drive current, easing microcontroller GPIO sourcing burden. |
| VCE(SAT) @ 1A | <150 mV - Limits conduction loss to <150 mW per device, critical for thermal management. |
| RθJL | 30.7 °C/W - Confirmed junction-to-lead thermal path enables direct PCB copper pour heat sinking. |
| fT | 140 MHz - Validates suitability for high-speed switching up to ~10–20 MHz PWM frequencies. |
| ESD HBM | 4 kV - Meets IEC 61000-4-2 Level 3 robustness for board-level handling and assembly. |
Pinout & Package
Package: SM-8, surface-mount, molded plastic with matte tin-plated leads; 0.117 g mass; UL 94V-0 rated; moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (B1) | Base of Transistor 1 | Direct control input for first NPN; requires current-limited drive to avoid overbase conditions. |
| 2 (E1) | Emiter of Transistor 1 | Common emitter reference for Q1; tied to ground or low-side return path in half-bridge configs. |
| 3 (C1) | Collector of Transistor 1 | High-current output node; connected to load or upper switch in totem-pole arrangements. |
| 4 (C2) | Collector of Transistor 2 | Independent high-current output; enables dual-load control or redundancy without shared collector routing. |
| 5 (E2) | Emiter of Transistor 2 | Separate emitter node allows independent biasing or current sensing per channel. |
| 6 (B2) | Base of Transistor 2 | Isolated control input; supports asynchronous or phase-shifted drive relative to B1. |
| 7, 8 (Leads) | Collector Thermal Pads | Exposed collector leads serve as primary thermal interface; must be soldered to ≥25 mm² 2 oz Cu for RθJA = 45.5°C/W rating. |
Key Features
| Feature | Design Value |
|---|---|
| Dual NPN monolithic die | Guaranteed parameter matching (hFE, VBE(SAT)) between channels improves current balance in parallel operation. |
| 75V VCEO rating | Supports direct interface with 48V battery systems and industrial 60V-rated loads without external clamping. |
| Low RθJL = 30.7°C/W | Enables >2.25 W dissipation with minimal PCB copper area-ideal for space-constrained motor control modules. |
| JEDEC-qualified reliability | Validated per AEC-Q101 stress tests including HTGB, HTRB, and temperature cycling-suitable for under-hood automotive use. |
Applications
| Automotive Body Control Module (BCM) | Industrial DC Motor Driver |
|---|---|
Use Scenario: Driving multiple solenoids and relays in vehicle door lock, window lift, and seat adjustment circuits. IC Role / Device Role / Timing Role: Dual NPN switch providing independent low-side control of 12V/24V inductive loads. Use Value: High hFE reduces MCU GPIO current demand; low VCE(SAT) minimizes self-heating during extended duty cycles. | Use Scenario: Controlling bidirectional brushed DC motors in factory automation actuators and conveyor systems. IC Role / Device Role / Timing Role: Half-bridge lower switches in H-bridge topology, paired with external high-side MOSFETs. Use Value: Matched dual gain ensures balanced turn-on timing; SM-8 thermal pads enable stable 5A operation without heatsinks. |
| LED Array Power Switch | Power Supply OR-ing Circuit |
Use Scenario: Switching high-current LED strings (e.g., architectural lighting, signage) requiring precise current regulation. IC Role / Device Role / Timing Role: Constant-current sink stage driven by analog or PWM-controlled base current. Use Value: Tight hFE tolerance maintains consistent LED brightness across channels; 75V rating accommodates string voltages up to 60V. | Use Scenario: Redundant 24V/48V DC power inputs in telecom and industrial power supplies. IC Role / Device Role / Timing Role: Active OR-ing element replacing Schottky diodes to reduce forward drop and heat generation. Use Value: VCE(SAT) <150 mV cuts conduction loss by >70% vs. 0.4V Schottky, improving system efficiency and thermal margin. |
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 |
|---|---|---|---|
| ZXT10N50DXTA | Single NPN, 50V VCEO, SOT-23 package, lower IC (3A), no dual configuration | Not suitable for dual-channel or parallel-current applications; limited to low-voltage, low-power switching | Select only when space constraints prohibit SM-8 and 75V rating is unnecessary. |
| DMT6009LSD | Dual N-channel MOSFET, 60V, 9.5A, SO-8 package, gate-driven, no base current requirement | Requires gate driver circuitry; superior RDS(on) but higher cost and layout complexity than bipolar solution | Prefer for high-efficiency, high-frequency (>100 kHz) switching where gate drive capability exists. |
Compared with ZXT10N50DXTA and DMT6009LSD, the ZDT1053TC uniquely combines dual NPN topology, 75V rating, and SM-8 thermal performance-making it optimal for cost-sensitive, thermally constrained, medium-speed automotive and industrial switching where base drive simplicity matters.
Availability
ZDT1053TC is available at Aetrix Electronics and suitable for automotive body control modules, industrial DC motor drivers, LED array power switching, and redundant DC power OR-ing circuits requiring stable component supply and long-term manufacturability.
Supply support for ZDT1053TC 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 sales operations across Asia, Europe, and North America.
The ZDT series targets high-reliability medium-power bipolar switching applications, emphasizing ruggedness, thermal efficiency, and qualification for automotive and industrial environments.
FAQ
Is ZDT1053TC qualified for automotive applications?
No-the ZDT1053TC itself is not AEC-Q101 qualified. However, Diodes offers automotive-grade variants (e.g., ZDT1053Q) with full PPAP documentation, manufactured in IATF 16949-certified facilities and tested to AEC-Q101 stress requirements. The TC suffix denotes commercial-grade packaging and screening.
What is the maximum safe operating temperature for continuous 5A current?
At 5A continuous collector current, junction temperature must remain ≤150°C. With RθJA = 45.5°C/W (dual-die active) and PD = 2.75 W, ambient must stay ≤22°C for safe operation without forced cooling. Derating is required above this ambient; consult Figure 4 in DS33206 Rev. 5–3 for thermal curves.
Can ZDT1053TC replace a single NPN transistor in existing designs?
Yes-but only if both transistors are used or intentionally paralleled. Using only one channel wastes thermal capacity and may cause layout imbalance. For single-transistor replacement, consider ZTX1053 (same die, SOT-89 package) or ZXT10N50DXTA (SOT-23), depending on voltage and current needs.
Why does the datasheet state "NOT RECOMMENDED FOR NEW DESIGNS"?
This notice reflects Diodes' strategic shift toward MOSFET-based solutions for new high-efficiency designs. The ZDT1053TC remains fully supported for legacy production, repair, and cost-sensitive applications where bipolar simplicity, proven reliability, and thermal robustness outweigh incremental efficiency gains.
ZDT1053TC Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- SOT-223-8
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- 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
ZDT1053TC FAQ
1.How can I place an order for ZDT1053TC through Aetrix?
Please submit a Request for Quotation (RFQ) for ZDT1053TC 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 ZDT1053TC reliable?
The price and inventory of ZDT1053TC are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZDT1053TC is usually 5 days.
3.What payment methods are accepted for ZDT1053TC?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZDT1053TC transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ZDT1053TC?
ZDT1053TC orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ZDT1053TC 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 ZDT1053TC?
For technical support, including ZDT1053TC datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZDT1053TC requirements.
6.How does Aetrix verify that ZDT1053TC is sourced from the original manufacturer or authorized distributors?
All ZDT1053TC 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 ZDT1053TC meets industry standards.
7.What is the process for return or replacement of ZDT1053TC?
All ZDT1053TC units undergo pre-shipment inspection (PSI). If there is an issue with ZDT1053TC, 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 ZDT1053TC part is unused and in its original packaging.
Return procedure for ZDT1053TC:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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