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Vishay General Semiconductor - Diodes Division VS-43CTQ100-1PBF
- Part No.:
- VS-43CTQ100-1PBF
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- Diode Arrays
- Package:
- TO-262-3 Long Leads, I2PAK, TO-262AA
- Datasheet:
-
VS-43CTQ100-1PBF.pdf
- Description:
- DIODE ARR SCHOT 100V 20A TO2623
- Quantity:
- Payment:
- Shipping:
Inventory:6,943
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Product details
Overview
VS-43CTQ100-1PBF from Vishay Semiconductors is a high-performance, AEC-Q101-qualified center-tap Schottky rectifier in TO-262AA package, rated for 100 V reverse voltage and 2 × 20 A average forward current per leg, with 0.67 V forward voltage at 20 A and 125 °C junction temperature-used in automotive DC/DC converters and industrial switching power supplies.
For engineers reviewing the VS-43CTQ100-1PBF datasheet, VS-43CTQ100-1PBF pinout, VS-43CTQ100-1PBF application, or VS-43CTQ100-1PBF equivalent, key selection criteria include its 175 °C max junction temperature, low 0.67 V VF at high temperature, common-cathode dual-die configuration, and MSL Level 1 moisture sensitivity rating for reflow compatibility.
Technical Context
This device integrates two independent Schottky die in a single common-cathode TO-262AA package, enabling synchronous rectification in half-bridge or center-tapped topologies. Its proprietary barrier technology minimizes reverse leakage up to 175 °C, and guard ring design enhances ruggedness against avalanche stress and thermal cycling.
It supports high-frequency operation (dV/dt = 10,000 V/μs) and delivers 7.50 mJ non-repetitive avalanche energy per leg at 25 °C. Thermal resistance is 2.0 °C/W per leg (junction-to-case), with case-to-heatsink RthCS of 0.50 °C/W when mounted on a greased smooth surface.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VR (Max DC Reverse Voltage) | 100 V - defines maximum blocking capability in reverse-biased operation without breakdown |
| IF(AV) per leg | 20 A - continuous average forward current per anode leg at TC = 135 °C, 50 % duty cycle |
| VF at 20 A / 125 °C | 0.67 V - low conduction loss critical for efficiency in high-temp automotive environments |
| TJ max | 175 °C - enables under-hood deployment without derating in AEC-Q101-compliant systems |
| EAS per leg | 7.50 mJ - quantifies unclamped inductive switching robustness during transient overloads |
| RthJC per leg | 2.0 °C/W - determines thermal headroom between junction and heatsink interface |
| IRM at 125 °C | 11 mA - low reverse leakage preserves system efficiency at elevated ambient temperatures |
Pinout & Package
VS-43CTQ100-1PBF uses the TO-262AA (modified JEDEC) package: 3-pin, isolated metal tab (cathode-connected base), lead-free (PbF) finish, and MSL Level 1 compliant. The package features a thermally enhanced base for direct heatsink mounting and mechanical stability under vibration.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Anode (Leg 1) | Input terminal for first Schottky diode; connects to primary-side switch node in center-tapped topology |
| 2 | Common Cathode | Shared cathode connection for both diodes; electrically tied to thermal tab and PCB ground plane |
| 3 | Anode (Leg 2) | Input terminal for second Schottky diode; used for complementary phase or freewheeling path |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive powertrain and chassis applications requiring zero-failure reliability over lifetime |
| Guard ring structure | Improves edge termination ruggedness, preventing premature avalanche failure during repetitive surge events |
| High-purity epoxy encapsulation | Provides enhanced moisture resistance (MSL Level 1) and mechanical integrity in humid or thermal-cycling environments |
| Center-tap common-cathode configuration | Enables compact dual-output or interleaved rectification without external cathode tie, reducing layout parasitics |
| 175 °C TJ operation | Supports sustained conduction in space-constrained enclosures where ambient exceeds 125 °C |
Applications
| Automotive DC/DC Converters | Industrial Switch-Mode Power Supplies |
|---|---|
Use Scenario: High-efficiency 12 V → 48 V bidirectional DC/DC conversion in 48 V mild-hybrid vehicles. IC Role / Device Role / Timing Role: Center-tap Schottky rectifier providing synchronous rectification on secondary side with minimal conduction loss. Use Value: 0.67 V VF at 125 °C reduces power dissipation by >15 % vs. standard Schottkys, improving thermal margin in sealed under-hood modules. | Use Scenario: Output rectification in 1 kW telecom rectifier with forced-air cooling. IC Role / Device Role / Timing Role: Dual-leg freewheeling diode handling 2 × 20 A continuous output current in center-tapped transformer design. Use Value: 7.50 mJ EAS per leg withstands repeated inductive turn-off transients without degradation, extending service life. |
| Reverse Battery Protection | Motor Drive Freewheeling |
Use Scenario: Input polarity protection in automotive infotainment head units exposed to jump-start conditions. IC Role / Device Role / Timing Role: Common-cathode dual-anode configured as OR-ing diode pair to block reverse current while maintaining low forward drop. Use Value: 100 V VR rating accommodates load-dump transients up to ISO 7637-2 Pulse 5a, eliminating need for additional TVS clamping. | Use Scenario: Freewheeling path for brushed DC motor drivers in factory automation controllers. IC Role / Device Role / Timing Role: Dual-leg Schottky providing low-loss recirculation path during PWM off-time across H-bridge outputs. Use Value: 10,000 V/μs dV/dt rating ensures stable commutation at 100 kHz PWM frequencies without spurious turn-on. |
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-43CTQ100SPbF | D2PAK (TO-263AB) package; same electrical specs but different thermal pad geometry and mounting footprint | Requires PCB land pattern revision; better suited for automated SMT assembly with tape-and-reel delivery | Select when board space allows larger D2PAK footprint and volume production favors SMT placement. |
| ON Semiconductor NTS4101PT1G | Single-die 100 V / 20 A Schottky in SOD-123FL; no center-tap configuration; VF = 0.75 V @ 20 A / 125 °C | Cannot replace dual-leg function without circuit redesign; limited to single-output or discrete dual placement | Choose only for cost-sensitive, low-power applications where dual-anode integration is unnecessary. |
Compared with VS-43CTQ100SPbF, the VS-43CTQ100-1PBF offers identical electrical performance but requires through-hole mounting and delivers superior thermal coupling via TO-262AA's extended tab area; versus NTS4101PT1G, it provides integrated dual-leg functionality essential for center-tapped topologies without layout duplication or interconnect losses.
Availability
VS-43CTQ100-1PBF is available at Aetrix Electronics and suitable for automotive power conversion, industrial SMPS, and motor drive freewheeling applications requiring stable component supply and long-term lifecycle support.
Supply support for VS-43CTQ100-1PBF 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 automotive, industrial, and computing markets.
The VS-43CTQ...-1PbF series belongs to Vishay's high-temperature Schottky rectifier product line, engineered specifically for AEC-Q101-compliant automotive power systems demanding 175 °C operation and robust avalanche performance.
FAQ
What is the maximum junction temperature rating for VS-43CTQ100-1PBF?
The VS-43CTQ100-1PBF has a maximum junction temperature (TJ max) of +175 °C, verified per AEC-Q101 stress testing. This rating allows reliable operation in under-hood automotive environments and high-ambient industrial settings without thermal derating below full current capability. The device maintains specified VF and IRM performance up to this limit, supported by its high-purity epoxy encapsulation and optimized thermal path.
Is VS-43CTQ100-1PBF pin-compatible with VS-43CTQ100SPbF?
No, VS-43CTQ100-1PBF is not pin-compatible with VS-43CTQ100SPbF. The former uses TO-262AA (3-pin through-hole) with leads spaced for axial mounting, while the latter uses TO-263AB (D2PAK) with gull-wing SMT leads and a different thermal pad layout. PCB footprints, soldering processes, and mechanical mounting methods differ significantly-direct substitution requires board redesign.
Does VS-43CTQ100-1PBF support center-tapped transformer configurations?
Yes, VS-43CTQ100-1PBF is explicitly designed for center-tapped transformer applications. Its internal common-cathode dual-die architecture connects both anodes (pins 1 and 3) to a shared cathode (pin 2), enabling simultaneous rectification of two complementary secondary windings-ideal for forward, push-pull, and half-bridge-derived topologies without external cathode tying.
What is the avalanche energy rating of VS-43CTQ100-1PBF?
The VS-43CTQ100-1PBF is rated for 7.50 mJ non-repetitive avalanche energy (EAS) per leg at TJ = 25 °C, measured with IAS = 0.50 A and L = 60 mH. This value reflects its ability to absorb inductive switching energy during unclamped turn-off events-critical for reliability in motor drive and DC/DC converter freewheeling paths where snubberless operation is desired.
Is VS-43CTQ100-1PBF RoHS and lead-free compliant?
Yes, VS-43CTQ100-1PBF is fully RoHS-compliant and lead-free (PbF), meeting JEDEC J-STD-020 MSL Level 1 requirements with a maximum peak reflow temperature of 260 °C. The "PbF" suffix in the part number confirms compliance, and the device uses high-temperature epoxy encapsulation compatible with standard lead-free reflow profiles.
VS-43CTQ100-1PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Series:
- -
- Package/Case:
- TO-262-3 Long Leads, I2PAK, TO-262AA
- Packaging:
- Tube
- Product Status:
- Discontinued at Digi-Key
- Diode Configuration:
- 1 Pair Common Cathode
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 100 V
- Current - Average Rectified (Io) (per Diode):
- 20A
- Voltage - Forward (Vf) (Max) @ If:
- 810 mV @ 20 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 1 mA @ 100 V
- Operating Temperature - Junction:
- -55°C ~ 175°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-262-3
VS-43CTQ100-1PBF FAQ
1.How can I place an order for VS-43CTQ100-1PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for VS-43CTQ100-1PBF 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-43CTQ100-1PBF reliable?
The price and inventory of VS-43CTQ100-1PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VS-43CTQ100-1PBF is usually 5 days.
3.What payment methods are accepted for VS-43CTQ100-1PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VS-43CTQ100-1PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for VS-43CTQ100-1PBF?
VS-43CTQ100-1PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your VS-43CTQ100-1PBF 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-43CTQ100-1PBF?
For technical support, including VS-43CTQ100-1PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VS-43CTQ100-1PBF requirements.
6.How does Aetrix verify that VS-43CTQ100-1PBF is sourced from the original manufacturer or authorized distributors?
All VS-43CTQ100-1PBF 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-43CTQ100-1PBF meets industry standards.
7.What is the process for return or replacement of VS-43CTQ100-1PBF?
All VS-43CTQ100-1PBF units undergo pre-shipment inspection (PSI). If there is an issue with VS-43CTQ100-1PBF, 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-43CTQ100-1PBF part is unused and in its original packaging.
Return procedure for VS-43CTQ100-1PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
VS-43CTQ100-1PBF Tags
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BAV99-7-F
Diodes Incorporated
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BAT54C-7-F
Diodes Incorporated
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BAV99,215
Nexperia USA Inc.
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BAT54SLT1G
onsemi
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BAV70LT1G
onsemi
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BAT54CLT1G
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BAT54S-7-F
Diodes Incorporated
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BAV99LT1G
onsemi
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BAT54S,215
Nexperia USA Inc.
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onsemi
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MMBD1503-TP
Micro Commercial Co
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BAV99WT1G
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