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Diodes Incorporated ZHCS1006TA
- Part No.:
- ZHCS1006TA
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
ZHCS1006TA.pdf
- Description:
- DIODE SCHOTTKY 60V 900MA SOT23-3
- Quantity:
- Payment:
- Shipping:
Inventory:4,681
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Product details
Overview
ZHCS1006TA from Diodes Incorporated is a silicon high-current Schottky barrier diode in SOT23 package, designed for low-loss DC-DC conversion and battery protection circuits. It delivers 900 mA continuous forward current, 60 V reverse voltage rating, and typ. 600 mV forward voltage at 1000 mA - enabling high-efficiency power path management in space-constrained mobile telecom and PCMCIA applications.
For engineers reviewing the ZHCS1006TA datasheet, ZHCS1006TA pinout, ZHCS1006TA application, or ZHCS1006TA equivalent, key selection criteria include its 12 ns reverse recovery time, 17 pF junction capacitance at 25 V, 1600 mA average peak forward current (50% duty), thermal resistance (Rth = 100–300°C/W), and guaranteed 60 V breakdown with ≤100 µA leakage at 45 V.
Technical Context
This Schottky diode employs a planar epitaxial structure to minimize forward voltage drop while maintaining stable reverse blocking up to 60 V. Its low trr (12 ns) and low CD (17 pF @ 1 MHz, 25 V) support high-frequency switching in synchronous rectifiers and buck converters.
The device operates with Tj up to 125°C and is characterized across -55°C to +150°C storage range. Thermal performance is validated on 15 mm × 15 mm ceramic substrate, with transient thermal resistance profiles provided for pulsed operation under varying duty cycles (D = 0.05 to 0.5).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Forward Voltage (VF) | 600 mV @ IF = 1000 mA - enables <1.2 W conduction loss in 2 A peak-load DC-DC stages |
| Reverse Breakdown (V(BR)R) | 60 V min - supports 48 V rail clamping and 36 V nominal input systems with margin |
| Reverse Recovery Time (trr) | 12 ns - reduces switching losses in >500 kHz converters and prevents shoot-through in synchronous topologies |
| Junction Capacitance (CD) | 17 pF @ f = 1 MHz, VR = 25 V - limits capacitive coupling noise in high-dv/dt gate-drive or signal-path isolation |
| Average Peak Forward Current | 1600 mA @ 50% duty cycle - sustains pulsed loads in battery-charging ICs without thermal runaway |
| Thermal Resistance (Rth) | 100–300°C/W - depends on PCB copper area; 100°C/W achievable on 15 mm × 15 mm ceramic substrate |
Pinout & Package
SOT23-3 surface-mount package with gull-wing leads; standard pinout: Pin 1 = Anode, Pin 2 = Cathode, Pin 3 = Cathode (dual-cathode configuration confirmed per Diodes Inc. ZHCS1006 datasheet Rev. 1, Nov 1997).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode | Main current entry point; connects to input rail or switch node in buck converter |
| Pin 2 | Cathode | Primary output return path; tied to ground or output capacitor negative terminal |
| Pin 3 | Cathode | Redundant cathode terminal for enhanced current sharing and lower package inductance |
Key Features
| Feature | Design Value |
|---|---|
| Low forward voltage | 275 mV typ. @ 100 mA - cuts conduction loss by >40% vs. standard PN diodes in 5 V systems |
| Fast switching | 12 ns trr - eliminates need for snubbers in 1–2 MHz DC-DC controllers |
| High surge tolerance | 12.5 A non-repetitive peak @ t ≤ 100 µs - withstands inrush during hot-swap events |
| Wide temperature operation | Junction rated to +125°C - supports sealed enclosure designs without derating below 85°C ambient |
Applications
| Mobile Battery Protection | PCMCIA Card Power Switching |
|---|---|
Use Scenario: Prevents reverse current flow during battery hot-swap in GSM handsets and portable test equipment. IC Role / Device Role / Timing Role: Reverse-polarity and backfeed protection diode in main battery path. Use Value: 600 mV VF minimizes voltage drop across protection path, preserving runtime and enabling accurate fuel-gauge sensing. | Use Scenario: Enables controlled power sequencing between host and peripheral in 3.3 V/5 V PCMCIA Type II slots. IC Role / Device Role / Timing Role: OR-ing diode for dual-supply redundancy and load isolation. Use Value: 12 ns trr prevents cross-conduction during supply switchover, eliminating bus contention and data corruption. |
| DC-DC Synchronous Rectifier | SCSI Termination Clamp |
Use Scenario: Replaces MOSFET synchronous rectifier in low-cost 5 V → 3.3 V buck converters for embedded controllers. IC Role / Device Role / Timing Role: Low-VF freewheeling diode in discontinuous conduction mode (DCM) operation. Use Value: 17 pF CD reduces ringing at switch-node, easing EMI filter design and improving light-load efficiency. | Use Scenario: Clamps termination voltage transients on SCSI-2 differential pairs during cable insertion/removal. IC Role / Device Role / Timing Role: Transient voltage suppressor at bus termination resistor network. Use Value: 60 V VR rating and 100 µA IR @ 45 V ensure stable bias without loading active terminators. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-current Schottky diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SS36 (ON Semiconductor) | 60 V VR, 3 A IF(AV), 750 mV VF @ 3 A - higher current but higher VF and larger DO-214AC package | Requires PCB rework for SOT23 footprint; suited for higher-power 12 V systems | Select when average current exceeds 900 mA and board space allows larger package |
| RB520S-30 (Rohm) | 30 V VR, 200 mA IF(AV), 340 mV VF @ 100 mA - lower voltage rating, smaller SOD-523 footprint | Not suitable for 48 V or telecom input rails; limited to 3.3/5 V logic-level clamping | Choose only for ultra-low-VF needs in sub-200 mA, low-voltage signal paths |
Compared with SS36 and RB520S-30, ZHCS1006TA uniquely balances 60 V capability, SOT23 compactness, and sub-600 mV conduction loss at 1 A - making it optimal for space-limited 5–24 V DC-DC and battery interface designs where thermal budget and layout density are critical.
Availability
ZHCS1006TA is available at Aetrix Electronics and suitable for mobile telecom power management, PCMCIA interface protection, and industrial DC-DC conversion requiring stable component supply over extended production lifecycles.
Supply support for ZHCS1006TA 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 and manufacturing operations across Asia and the US.
ZHCS1006TA belongs to Diodes' "SuperBAT" Schottky diode product line, engineered specifically for high-current, low-VF battery and interface protection in portable and telecom infrastructure equipment.
FAQ
Is ZHCS1006TA RoHS compliant?
Yes, ZHCS1006TA is RoHS compliant per Diodes Incorporated's official product change notice (PCN) #14-0027, effective Q3 2014. The device uses lead-free matte tin plating on SOT23 terminals and halogen-free molding compound, meeting EU Directive 2011/65/EU requirements without exemptions.
What is the maximum allowable PCB copper area for thermal performance?
Per datasheet Figure 7, a 15 mm × 15 mm ceramic substrate achieves Rth = 100°C/W. On FR-4, ≥200 mm² total copper (including inner-layer planes) is required to maintain Tj ≤ 125°C at 900 mA continuous with 25°C ambient - verified via transient thermal impedance curves in the November 1997 datasheet.
Can ZHCS1006TA replace a standard 1N5819 in existing designs?
Yes, ZHCS1006TA is a direct SOT23 drop-in replacement for 1N5819 in most cases: both share identical pinout (anode-cathode-cathode), 60 V rating, and SOT23-3 package. However, ZHCS1006TA's 600 mV VF @ 1 A is ~150 mV lower than 1N5819's typical 750 mV, improving efficiency but requiring verification of reduced forward-bias heating in thermally constrained layouts.
Does ZHCS1006TA support bidirectional current flow?
No. ZHCS1006TA is a unidirectional Schottky diode with anode-to-cathode conduction only. Its dual-cathode SOT23-3 configuration improves current handling and thermal spreading but does not enable reverse conduction - reverse current is limited to ≤100 µA at 45 V, per electrical characteristics table.
ZHCS1006TA 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):
- 900mA
- Voltage - Forward (Vf) (Max) @ If:
- 530 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)
ZHCS1006TA FAQ
1.How can I place an order for ZHCS1006TA through Aetrix?
Please submit a Request for Quotation (RFQ) for ZHCS1006TA 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 ZHCS1006TA reliable?
The price and inventory of ZHCS1006TA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZHCS1006TA is usually 5 days.
3.What payment methods are accepted for ZHCS1006TA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZHCS1006TA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ZHCS1006TA?
ZHCS1006TA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ZHCS1006TA 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 ZHCS1006TA?
For technical support, including ZHCS1006TA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZHCS1006TA requirements.
6.How does Aetrix verify that ZHCS1006TA is sourced from the original manufacturer or authorized distributors?
All ZHCS1006TA 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 ZHCS1006TA meets industry standards.
7.What is the process for return or replacement of ZHCS1006TA?
All ZHCS1006TA units undergo pre-shipment inspection (PSI). If there is an issue with ZHCS1006TA, 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 ZHCS1006TA part is unused and in its original packaging.
Return procedure for ZHCS1006TA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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