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Diodes Incorporated ZHCS756TA
- Part No.:
- ZHCS756TA
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
ZHCS756TA.pdf
- Description:
- DIODE SCHOTTKY 60V 750MA SOT23-3
- Quantity:
- Payment:
- Shipping:
Inventory:6,308
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Product details
Overview
ZHCS756TA from Diodes Incorporated is a surface-mount Schottky barrier diode rated for 60 V reverse voltage and 750 mA continuous forward current, with typical forward voltage of 610 mV at 750 mA. It features low reverse leakage (50 µA at 45 V), fast 12 ns reverse recovery time, and AEC-Q101 qualification for automotive reliability. Used in DC–DC converters and mobile telecom power rails.
For engineers reviewing the ZHCS756TA datasheet, ZHCS756TA pinout, ZHCS756TA application, or ZHCS756TA equivalent, key selection criteria include VF vs. IF trade-off, VR rating margin for transient suppression, thermal resistance under SOT23 mounting, and compatibility with high-frequency switching topologies requiring low trr and low CD.
Technical Context
This Schottky diode employs a planar epitaxial construction optimized for low forward voltage and minimal reverse recovery charge. Its 12 ns trr and 17 pF capacitance at 25 V support operation in 1–3 MHz DC–DC converters without significant switching loss penalty.
The device operates within a junction temperature range of –55 °C to +125 °C and delivers 1.5 A average peak forward current at 50% duty cycle. Thermal resistance is defined relative to a 15 mm × 15 mm ceramic substrate, enabling accurate board-level thermal modeling for compact power designs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VR | 60 V - Maximum DC reverse blocking voltage before breakdown; supports 48 V system derating with margin |
| IF | 750 mA - Continuous forward current rating at TA = 25 °C; defines steady-state conduction capability |
| VF @ 750 mA | 610 mV - Forward voltage drop determining conduction loss and thermal load in buck sync rectifier paths |
| IR @ 45 V | 50 µA - Reverse leakage current affecting standby power and voltage hold-up in battery-backed circuits |
| trr | 12 ns - Reverse recovery time enabling efficient operation in high-frequency (>1 MHz) switching regulators |
| CD @ 1 MHz | 17 pF - Junction capacitance influencing AC losses and EMI generation in fast-switching nodes |
Pinout & Package
Package: SOT23 - Surface-mount plastic package with matte tin-plated Alloy 42 leadframe; moisture sensitivity level 1; UL 94V-0 rated.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Pin 1) | Forward current entry point | Connected to switch node or input rail in buck/flyback secondary-side rectification |
| Cathode (Pin 2) | Forward current exit / reverse voltage reference | Tied to output capacitor ground or regulated output; defines polarity-sensitive placement |
| NC / Heat Sink Pad (Pin 3) | No internal connection | Unused terminal; may be grounded for thermal relief but not electrically required |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing |
| Low VF across full IF range | 250–610 mV from 50 mA to 750 mA enables <1 W conduction loss in 12 V/0.75 A outputs |
| Fast 12 ns trr | Minimizes reverse recovery loss and ringing in synchronous rectifier and boost converter applications |
| SOT23 footprint | Enables high-density layout in space-constrained portable and telecom modules |
Applications
| DC–DC Buck Converter | Mobile Baseband Power Supply |
|---|---|
Use Scenario: Secondary-side rectification in 3.3 V/0.75 A step-down regulator for FPGA I/O banks. IC Role / Device Role: Synchronous rectifier diode replacing MOSFET gate drive complexity in cost-sensitive designs. Use Value: 610 mV VF at 750 mA reduces conduction loss by ~35% versus standard PN diodes, lowering thermal stress on PCB. | Use Scenario: Input protection and reverse polarity clamp in LTE modem PMIC supply path. IC Role / Device Role: Low-leakage blocking diode preventing backfeed during hot-swap or battery switchover. Use Value: 50 µA IR at 45 V ensures <1 µW standby leakage, preserving battery runtime in always-on subsystems. |
| PCMCIA Card Power Switch | Automotive Body Control Module |
Use Scenario: OR-ing diode in dual-supply PCMCIA socket (main + backup battery). IC Role / Device Role: Unidirectional current steering element with minimal forward drop. Use Value: 250 mV VF at 50 mA enables near-lossless power path selection below 100 mA sleep currents. | Use Scenario: Flyback snubber and clamp diode in 12 V relay driver circuit. IC Role / Device Role: Transient energy dissipation path during inductive turn-off. Use Value: 12 ns trr and 60 V VR withstand 100 V inductive spikes while limiting voltage overshoot to <65 V. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schottky diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SBR160S23 | Same SOT23 package; VR = 60 V, IF = 1 A, VF = 580 mV @ 1 A | Higher IF rating supports 1 A continuous loads; slightly lower VF improves efficiency above 750 mA | Select when upgrading legacy ZHCS756TA designs needing higher current headroom or lower conduction loss at >750 mA |
| RB521S30T2R | VR = 30 V, IF = 200 mA, VF = 370 mV @ 100 mA | Limited to ≤30 V systems; unsuitable for 48 V or automotive 12 V transients | Only viable in low-voltage, low-current applications where VR margin is not required |
Compared with ZHCS756TA, SBR160S23 offers higher current capacity and marginally better VF, making it a direct functional upgrade; RB521S30T2R trades VR and IF for ultra-low VF in sub-30 V domains, requiring careful voltage derating review.
Availability
ZHCS756TA is available at Aetrix Electronics and suitable for DC–DC converters, mobile telecom power supplies, and PCMCIA card interfaces requiring stable component supply despite its obsolete status-inventory is managed for legacy design support and end-of-life transition assistance.
Supply support for ZHCS756TA 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 ZHCS756TA belongs to Diodes' high-reliability Schottky diode product line, engineered for power conversion efficiency and robustness in automotive, telecom, and portable electronics applications.
FAQ
Is ZHCS756TA still in production?
No-ZHCS756TA is officially obsolete per Diodes Incorporated's datasheet (Rev. 3–6, December 2011), superseded by SBR160S23. Aetrix Electronics maintains limited legacy stock for backward-compatible repair and EOL program support, with full traceability and documentation.
What is the maximum operating temperature for ZHCS756TA?
The ZHCS756TA has a maximum junction temperature (TJ) of 125 °C and a storage temperature range of –55 °C to +150 °C. Derating is required above 25 °C ambient; at 85 °C ambient, maximum continuous IF drops to approximately 480 mA based on thermal resistance and PD = 500 mW limit.
Can ZHCS756TA be used in automotive applications?
Yes-ZHCS756TA is qualified to AEC-Q101 standards, covering stress tests for temperature cycling, high-temperature reverse bias, and electrostatic discharge. It meets automotive reliability requirements for under-hood and cabin modules, though system-level validation remains the customer's responsibility.
What does the "S76" marking mean on the SOT23 package?
"S76" is the Diodes Incorporated product type marking code for ZHCS756TA, laser-etched on the top surface of the SOT23 case. It uniquely identifies this specific Schottky diode variant and distinguishes it from other devices in the same package, such as ZHCS400 or ZHCS500 series.
ZHCS756TA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 60 V
- Current - Average Rectified (Io):
- 750mA
- Voltage - Forward (Vf) (Max) @ If:
- 610 mV @ 750 mA
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 12 ns
- Current - Reverse Leakage @ Vr:
- 100 µA @ 45 V
- Capacitance @ Vr, F:
- 17pF @ 25V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
- Operating Temperature - Junction:
- 125°C (Max)
ZHCS756TA FAQ
1.How can I place an order for ZHCS756TA through Aetrix?
Please submit a Request for Quotation (RFQ) for ZHCS756TA 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 ZHCS756TA reliable?
The price and inventory of ZHCS756TA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZHCS756TA is usually 5 days.
3.What payment methods are accepted for ZHCS756TA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZHCS756TA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ZHCS756TA?
ZHCS756TA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ZHCS756TA 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 ZHCS756TA?
For technical support, including ZHCS756TA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZHCS756TA requirements.
6.How does Aetrix verify that ZHCS756TA is sourced from the original manufacturer or authorized distributors?
All ZHCS756TA 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 ZHCS756TA meets industry standards.
7.What is the process for return or replacement of ZHCS756TA?
All ZHCS756TA units undergo pre-shipment inspection (PSI). If there is an issue with ZHCS756TA, 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 ZHCS756TA part is unused and in its original packaging.
Return procedure for ZHCS756TA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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