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Diodes Incorporated ZXT10N20DE6TC
- Part No.:
- ZXT10N20DE6TC
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Bipolar Transistors
- Package:
- SOT-23-6
- Datasheet:
-
ZXT10N20DE6TC.pdf
- Description:
- TRANS NPN 20V 3.5A SOT-23-6
- Quantity:
- Payment:
- Shipping:
Inventory:9,289
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Product details
Overview
ZXT10N20DE6 from Diodes Incorporated is a 20V NPN low-saturation switching transistor in SOT26 package, rated for 3.5A continuous collector current and 19A peak pulse current, with RCE(SAT) = 55 mΩ and VCE(sat) ≤ 90 mV at 1 A. It serves as a high-efficiency power switch in DC–DC converters and motor control circuits, qualified to AEC-Q101 for automotive-grade reliability.
For engineers reviewing the ZXT10N20DE6 datasheet, ZXT10N20DE6 pinout, ZXT10N20DE6 application, or ZXT10N20DE6 equivalent, key selection criteria include its low saturation voltage under high-current drive (≤190 mV at 3.5 A), robust thermal resistance (RθJA = 73 °C/W on 25 mm × 25 mm 1 oz copper), and AEC-Q101 qualification for automotive power management.
Technical Context
This NPN bipolar junction transistor is optimized for fast-switching, low-loss power switching applications where minimal conduction loss and stable gain at high current are critical. Its hFE is characterized up to 6 A (100–180 at IC = 6 A, VCE = 2 V), and it delivers fT = 100–140 MHz for moderate-frequency switching control.
The device operates across –55 °C to +150 °C, with ESD ratings of 4 kV HBM and 400 V MM, and features a fully lead-free, halogen- and antimony-free "Green" construction compliant with RoHS 2 and AEC-Q101 stress testing protocols.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 20 V - Maximum safe collector-emitter voltage before breakdown; defines upper rail limit in 12 V/24 V automotive and industrial power switches. |
| IC (continuous) | 3.5 A - Sustained current-handling capability; supports compact DC–DC converter output stages without forced cooling. |
| RCE(SAT) | 55 mΩ - Equivalent on-resistance; enables <100 mW conduction loss at 1 A, reducing thermal load in space-constrained PCBs. |
| VCE(sat) @ 3.5 A | 190 mV max - Confirmed saturation voltage under full-rated current; ensures minimal voltage drop in high-side or low-side switch configurations. |
| fT | 100–140 MHz - Current gain-bandwidth product; supports reliable operation in PWM frequencies up to ~10 MHz with adequate gain margin. |
| RθJA | 73 °C/W - Thermal resistance on 25 mm × 25 mm 1 oz copper; allows ~1.7 W dissipation at 100 °C ambient before exceeding 150 °C junction limit. |
| ESD HBM | 4 kV - Human Body Model rating; provides robustness against assembly-level electrostatic discharge during board handling and reflow. |
Pinout & Package
Package: SOT26 - 6-pin surface-mount plastic package with exposed collector pad for enhanced thermal performance; moisture sensitivity level 1 per J-STD-020; weight ≈ 0.015 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 (C) | Collector | Main current-carrying terminal; internally connected to exposed metal pad for low-thermal-resistance heat path to PCB. |
| Pin 2 (E) | Emiter | Emitter output node; used as common return path in low-side switching configurations. |
| Pin 3 (B) | Base | Control input; requires ≥100 mA base drive for full saturation at 3.5 A collector current. |
| Pin 4 (C) | Collector (redundant) | Second collector connection; electrically tied to Pin 1 to improve current sharing and thermal spreading. |
| Pin 5 (E) | Emiter (redundant) | Second emitter connection; reduces bond-wire inductance and improves high-frequency switching stability. |
| Pin 6 (B) | Base (redundant) | Second base connection; lowers base drive impedance and minimizes Miller effect during turn-off. |
Key Features
| Feature | Design Value |
|---|---|
| Low VCE(sat) at high IC | 190 mV max at 3.5 A - Enables >95% efficiency in 5–20 V buck converters with minimal heatsinking. |
| AEC-Q101 qualification | Stress-tested for automotive temperature cycling, HTRB, and ESD - suitable for under-hood power modules and body control units. |
| Dual collector/emitter/base terminals | Redundant pins reduce parasitic inductance and improve current distribution - critical for <100 ns switching transitions. |
| Green compound & RoHS 2 compliance | Halogen- and antimony-free molding compound (<900 ppm Br/Cl, <1000 ppm Sb) - meets EU ELV and automotive material restrictions. |
Applications
| Automotive Body Control Module | Industrial DC–DC Converter |
|---|---|
Use Scenario: Driving solenoids, relays, and LED arrays in vehicle door modules and lighting controllers. IC Role / Device Role / Timing Role: Low-side power switch controlling 12 V loads with PWM dimming or timed actuation. Use Value: 90 mV VCE(sat) at 1 A reduces self-heating in densely packed modules, supporting IP67-sealed enclosure operation up to 105 °C ambient. | Use Scenario: High-efficiency synchronous rectification stage in isolated 24 V to 5 V flyback converters. IC Role / Device Role / Timing Role: Fast-turning NPN switch replacing MOSFETs where gate drive complexity must be minimized. Use Value: 140 MHz fT and 400 ns toff support 500 kHz switching with controlled rise/fall times and reduced EMI. |
| Brushed DC Motor Driver | Power Management IC Interface |
Use Scenario: Half-bridge high-current driver for 12 V brushed motors in HVAC actuators and seat adjusters. IC Role / Device Role / Timing Role: Low-side switch in H-bridge configuration, paired with external PNP or PMOS high-side device. Use Value: 19 A ICM withstands motor stall currents; 55 mΩ RCE(SAT) limits power loss to <2 W during 3 A continuous operation. | Use Scenario: External pass transistor for adjustable LDOs or battery charge path control in portable medical devices. IC Role / Device Role / Timing Role: Precision current-controlled linear regulator element, biased via feedback loop from PMIC. Use Value: hFE = 200–400 at 0.2–2 A enables stable current regulation with <±2% output tolerance over temperature. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NPN switching transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ZXT10N20F | Same die, SOT89-3 package; higher RθJA (113 °C/W); no redundant pins. | Limited to lower-power applications (<1.1 W continuous); unsuitable for high-density layouts requiring dual-pin thermal relief. | Select when cost-sensitive designs accept larger footprint and reduced thermal performance. |
| DMT3006LPSQ | 60 V N-channel MOSFET in SOT26; RDS(on) = 30 mΩ; gate-driven, no base current required. | Enables zero-gate-drive-loss switching but requires level-shifting for high-side use; lacks AEC-Q101 qualification. | Prefer for ultra-low-loss, high-frequency (>1 MHz) topologies where gate drive circuitry is available. |
Compared with ZXT10N20F and DMT3006LPSQ, ZXT10N20DE6 uniquely combines AEC-Q101 qualification, redundant-pin SOT26 thermal optimization, and verified 3.5 A saturation performance-making it optimal for space-constrained, thermally demanding automotive power switches where bipolar simplicity and reliability are prioritized over MOSFET-level RDS(on).
Availability
ZXT10N20DE6 is available at Aetrix Electronics and suitable for automotive body control modules, industrial DC–DC converters, and brushed DC motor drivers requiring stable component supply and AEC-Q101-compliant sourcing.
Supply support for ZXT10N20DE6 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 power management, signal integrity, and protection solutions for automotive, industrial, and consumer markets.
ZXT10N20DE6 belongs to Diodes' AEC-Q101-qualified low-saturation bipolar transistor family, engineered specifically for high-current, thermally constrained switching in automotive power distribution and industrial motion control systems.
FAQ
What is the maximum allowable base current for continuous operation?
The absolute maximum base current is 500 mA, but for continuous 3.5 A collector operation, the recommended base drive is 100 mA (IC/IB = 35). Exceeding 100 mA base current does not improve saturation and increases power dissipation in the base region, risking localized heating and long-term degradation.
Can ZXT10N20DE6 be used in high-side switching configurations?
Yes, but only with active base drive circuitry capable of pulling the base to within 0.5 V of the collector rail. The device lacks integrated level-shifting, so external charge-pump or bootstrap gate drivers are required to maintain sufficient VBE during high-side conduction-unlike dedicated high-side NPN drivers with built-in bias networks.
How does the dual-collector pin configuration affect PCB layout?
The dual collector pins (Pins 1 and 4) must be routed to the same net and connected to a shared thermal pad or large copper pour. This configuration halves effective current density per bond wire and reduces thermal resistance by ~15% compared to single-pin equivalents-requiring symmetric copper area allocation and equal trace width to avoid current imbalance.
Is ZXT10N20DE6 compatible with lead-free reflow profiles?
Yes-it is fully RoHS 2 compliant and qualified for standard JEDEC J-STD-020 Level 1 moisture sensitivity. The matte tin-plated leads are solderable per MIL-STD-202, Method 208, and support peak reflow temperatures up to 260 °C with ≤60 sec dwell time, matching IPC-7095 Class 2 requirements for automotive assemblies.
ZXT10N20DE6TC Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- SOT-23-6
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Transistor Type:
- NPN
- Current - Collector (Ic) (Max):
- 3.5 A
- Voltage - Collector Emitter Breakdown (Max):
- 20 V
- Vce Saturation (Max) @ Ib, Ic:
- 250mV @ 100mA, 3.5A
- Current - Collector Cutoff (Max):
- 100nA
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 200 @ 2A, 2V
- Power - Max:
- 1.1 W
- Frequency - Transition:
- 140MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-6
ZXT10N20DE6TC FAQ
1.How can I place an order for ZXT10N20DE6TC through Aetrix?
Please submit a Request for Quotation (RFQ) for ZXT10N20DE6TC 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 ZXT10N20DE6TC reliable?
The price and inventory of ZXT10N20DE6TC are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZXT10N20DE6TC is usually 5 days.
3.What payment methods are accepted for ZXT10N20DE6TC?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZXT10N20DE6TC transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ZXT10N20DE6TC?
ZXT10N20DE6TC orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ZXT10N20DE6TC 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 ZXT10N20DE6TC?
For technical support, including ZXT10N20DE6TC datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZXT10N20DE6TC requirements.
6.How does Aetrix verify that ZXT10N20DE6TC is sourced from the original manufacturer or authorized distributors?
All ZXT10N20DE6TC 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 ZXT10N20DE6TC meets industry standards.
7.What is the process for return or replacement of ZXT10N20DE6TC?
All ZXT10N20DE6TC units undergo pre-shipment inspection (PSI). If there is an issue with ZXT10N20DE6TC, 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 ZXT10N20DE6TC part is unused and in its original packaging.
Return procedure for ZXT10N20DE6TC:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ZXT10N20DE6TC Tags
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