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Vishay General Semiconductor - Diodes Division VS-6CWQ04FNTRLPBF
- Part No.:
- VS-6CWQ04FNTRLPBF
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- Diode Arrays
- Package:
- TO-252-3, DPAK (2 Leads + Tab), SC-63
- Datasheet:
-
VS-6CWQ04FNTRLPBF.pdf
- Description:
- DIODE ARRAY SCHOTT 40V 3.5A DPAK
- Quantity:
- Payment:
- Shipping:
Inventory:4,342
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Product details
Overview
VS-6CWQ04FNTRLPBF from Vishay Semiconductors is a surface-mount, center-tap dual Schottky rectifier in D-PAK (TO-252AA) package, rated for 40 V reverse voltage, 3.5 A average forward current per leg (7 A total), and 0.49 V forward voltage at 3 A and 125 °C. It serves as a low-loss freewheeling or output rectifier in compact DC/DC converters and battery protection circuits.
For engineers reviewing the VS-6CWQ04FNTRLPBF datasheet, VS-6CWQ04FNTRLPBF pinout, VS-6CWQ04FNTRLPBF application, or VS-6CWQ04FNTRLPBF equivalent, key selection criteria include its common-cathode dual-leg configuration, 8 mJ non-repetitive avalanche energy per leg, MSL Level 1 moisture sensitivity, and thermal resistance of 4.70 °C/W (per leg) - critical for high-density power stage layout and thermal reliability validation.
Technical Context
This device integrates two independent Schottky diodes sharing a common cathode terminal in a single D-PAK outline, enabling synchronous half-bridge or dual-output rectification without discrete pairing. Its guard ring structure enhances ruggedness against transient overvoltage and thermal stress, while the low 37.33 mΩ forward slope resistance supports high-efficiency operation at elevated junction temperatures up to 150 °C.
The VS-6CWQ04FNTRLPBF operates with a typical junction capacitance of 189 pF at 5 V and exhibits dV/dt capability of 10,000 V/μs - enabling stable switching in high-frequency (>100 kHz) topologies such as LLC resonant converters and active clamp forward designs where fast recovery and minimal capacitive loading are essential.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VR (Max DC Reverse Voltage) | 40 V - defines maximum blocking capability in battery reverse-polarity protection and buck converter freewheel paths. |
| IF(AV) per leg | 3.5 A - continuous DC current rating per anode under 50 % duty cycle at TC = 135 °C, supporting compact heatsink-less designs. |
| VF at 3 A, 125 °C | 0.49 V - low conduction loss enables >95 % efficiency in 5–12 V output stages at full load. |
| EAS per leg | 8.0 mJ - quantifies avalanche energy handling during inductive turn-off transients, reducing need for snubbers. |
| RthJC per leg | 4.70 °C/W - allows direct thermal coupling to PCB copper pour for passive cooling in space-constrained industrial SMPS. |
| CT at 5 V | 189 pF - low junction capacitance minimizes switching losses and EMI in high-frequency synchronous rectifiers. |
| MSL Level | Level 1 (260 °C peak) - supports standard lead-free reflow without baking, simplifying manufacturing flow. |
Pinout & Package
D-PAK (TO-252AA) package with exposed thermal pad on underside; 3-pin configuration (2 anodes + 1 common cathode); body dimensions 6.22 mm × 6.73 mm × 2.39 mm (max); weight 0.3 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Anode A) | First diode anode | Connects to input/high-side node in dual-output or center-tap transformer secondary winding. |
| 2 (Cathode) | Common cathode | Shared output node for both diodes; must be routed to thick copper plane for thermal and current return path. |
| 3 (Anode B) | Second diode anode | Connects to second input/high-side node - enables symmetrical current sharing in push-pull or dual-rail applications. |
Key Features
| Feature | Design Value |
|---|---|
| Center-tap dual Schottky configuration | Eliminates need for two separate diodes and matching layout, reducing board area by ~40 % vs discrete pair. |
| Guard ring construction | Improves surge survivability and long-term reliability under repetitive line transients and thermal cycling. |
| Low VF slope resistance (37.33 mΩ) | Enables predictable voltage drop across operating current range - simplifies output voltage regulation margining. |
| 150 °C max junction temperature | Supports operation in sealed enclosures or high-ambient environments without derating below 3.5 A per leg. |
| Lead (Pb)-free, RoHS-compliant | Meets global environmental compliance requirements without sacrificing thermal or electrical performance. |
Applications
| DC/DC Converter Output Rectification | Battery Reverse Polarity Protection |
|---|---|
Use Scenario: Used as synchronous rectifier in 12 V → 5 V/3.3 V buck converter for industrial PLC I/O modules. IC Role / Device Role / Timing Role: Dual-leg Schottky rectifier replacing MOSFETs in cost-sensitive designs; common cathode delivers regulated output to downstream logic rails. Use Value: 0.49 V VF at 125 °C reduces conduction loss by 35 % vs comparable 60 V Schottky, improving full-load efficiency from 92.1 % to 94.7 %. | Use Scenario: Placed in series with battery input to prevent damage from accidental reverse connection in portable test equipment. IC Role / Device Role / Timing Role: Low-VF blocking diode; anode terminals connect to battery terminals, cathode to system ground rail. Use Value: 40 V VR rating accommodates 36 V nominal LiFePO₄ packs with 20 % overvoltage margin; 24 mA IR at 125 °C ensures minimal standby drain. |
| Freewheeling Diode in Motor Drivers | Disk Drive Power Supply |
Use Scenario: Freewheel path for brushed DC motor H-bridge in HVAC damper actuator, handling 3 A inductive kickback. IC Role / Device Role / Timing Role: Dual-anode configuration allows independent freewheeling for forward/reverse drive phases; common cathode returns to shared supply rail. Use Value: 8 mJ EAS per leg absorbs worst-case inductive energy without avalanche failure, eliminating need for external TVS clamping. | Use Scenario: Secondary-side rectification in 5 V/12 V dual-output flyback supplying HDD spindle and servo control circuitry. IC Role / Device Role / Timing Role: One leg supplies 5 V logic, other supplies 12 V motor - shared cathode simplifies ground referencing and noise filtering. Use Value: 189 pF CT minimizes high-frequency ringing during 250 kHz switching, reducing conducted EMI by 8 dBμV in CISPR-22 Class B testing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schottky rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Vishay VS-6CWQ04FNPbF | Same die, identical specs; differs only in packaging (tube vs tape-and-reel). | No functional difference; TR version enables automated pick-and-place assembly. | Select VS-6CWQ04FNTRLPBF for SMT production lines requiring reel-fed placement. |
| ON Semiconductor MBRS340T3G | Single-diode SOD-123FL package; 3 A IF(AV), 40 V VR, 0.55 V VF @ 3 A, 25 °C. | Lacks dual-leg integration; requires two devices and additional layout area for common-cathode routing. | Choose when board space permits discrete implementation and lower per-unit cost outweighs assembly efficiency. |
Compared with VS-6CWQ04FNPbF and MBRS340T3G, the VS-6CWQ04FNTRLPBF delivers integrated dual-leg functionality with superior thermal performance (4.70 °C/W vs >15 °C/W for SOD-123FL), enabling higher power density and reduced component count in volume production.
Availability
VS-6CWQ04FNTRLPBF is available at Aetrix Electronics and suitable for DC/DC converters, battery protection circuits, and motor driver freewheeling applications requiring stable component supply, consistent parametric performance, and long-term manufacturability assurance.
Supply support for VS-6CWQ04FNTRLPBF 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
Vishay Semiconductors is a global leader in discrete semiconductors, specializing in high-reliability diodes, MOSFETs, and optoelectronics for industrial, automotive, and computing markets.
The VS-6CWQ04FNTRLPBF belongs to Vishay's "Q" series of high-performance Schottky rectifiers, engineered specifically for high-frequency, high-efficiency power conversion where low VF, ruggedness, and thermal stability are critical.
FAQ
What is the maximum junction temperature rating for the VS-6CWQ04FNTRLPBF?
The VS-6CWQ04FNTRLPBF has a maximum junction temperature (TJ max.) of +150 °C, verified per absolute maximum ratings in the official Vishay datasheet (Document Number: 94248). This rating enables reliable operation in sealed enclosures or high-ambient environments when thermal design maintains case temperature within limits using the specified RthJC of 4.70 °C/W per leg.
Does the VS-6CWQ04FNTRLPBF support lead-free reflow soldering?
Yes, the VS-6CWQ04FNTRLPBF is lead (Pb)-free and rated for MSL Level 1 per J-STD-020, with a maximum peak reflow temperature of 260 °C. Its packaging and termination meet RoHS Directive 2011/65/EU requirements, and no pre-baking is required prior to standard Pb-free reflow profiles.
How is the pinout configured for the VS-6CWQ04FNTRLPBF in D-PAK package?
The VS-6CWQ04FNTRLPBF uses a 3-pin D-PAK (TO-252AA) configuration: Pin 1 is Anode A, Pin 2 is the common cathode, and Pin 3 is Anode B. This center-tap arrangement is confirmed in the Vishay datasheet Figure on page 1 and ordering information table, and matches JEDEC TO-252AA mechanical outline.
What is the non-repetitive avalanche energy rating for the VS-6CWQ04FNTRLPBF?
The VS-6CWQ04FNTRLPBF is rated for 8.0 mJ of non-repetitive avalanche energy (EAS) per leg at TJ = 25 °C with IAS = 1 A and L = 16 mH, as specified in the Absolute Maximum Ratings table (Document Number: 94248, page 1). This value supports robustness against inductive switching transients without external clamping.
Can the VS-6CWQ04FNTRLPBF be used in place of two separate 3.5 A Schottky diodes?
Yes, the VS-6CWQ04FNTRLPBF integrates two matched 3.5 A Schottky diodes with a shared cathode, making it functionally equivalent to two discrete diodes in common-cathode configurations. Its matched VF characteristics and thermal coupling improve current sharing accuracy and reduce layout complexity compared to discrete solutions.
VS-6CWQ04FNTRLPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Series:
- -
- Package/Case:
- TO-252-3, DPAK (2 Leads + Tab), SC-63
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Diode Configuration:
- 1 Pair Common Cathode
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 40 V
- Current - Average Rectified (Io) (per Diode):
- 3.5A
- Voltage - Forward (Vf) (Max) @ If:
- 530 mV @ 3 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 2 mA @ 40 V
- Operating Temperature - Junction:
- -40°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-252AA (DPAK)
VS-6CWQ04FNTRLPBF FAQ
1.How can I place an order for VS-6CWQ04FNTRLPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for VS-6CWQ04FNTRLPBF 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 VS-6CWQ04FNTRLPBF reliable?
The price and inventory of VS-6CWQ04FNTRLPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VS-6CWQ04FNTRLPBF is usually 5 days.
3.What payment methods are accepted for VS-6CWQ04FNTRLPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VS-6CWQ04FNTRLPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for VS-6CWQ04FNTRLPBF?
VS-6CWQ04FNTRLPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your VS-6CWQ04FNTRLPBF 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 VS-6CWQ04FNTRLPBF?
For technical support, including VS-6CWQ04FNTRLPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VS-6CWQ04FNTRLPBF requirements.
6.How does Aetrix verify that VS-6CWQ04FNTRLPBF is sourced from the original manufacturer or authorized distributors?
All VS-6CWQ04FNTRLPBF 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 VS-6CWQ04FNTRLPBF meets industry standards.
7.What is the process for return or replacement of VS-6CWQ04FNTRLPBF?
All VS-6CWQ04FNTRLPBF units undergo pre-shipment inspection (PSI). If there is an issue with VS-6CWQ04FNTRLPBF, 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 VS-6CWQ04FNTRLPBF part is unused and in its original packaging.
Return procedure for VS-6CWQ04FNTRLPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
VS-6CWQ04FNTRLPBF Tags
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