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Vishay General Semiconductor - Diodes Division VS-ST300C04L0
- Part No.:
- VS-ST300C04L0
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- SCRs
- Package:
- TO-200AB, E-PUK
- Datasheet:
-
VS-ST300C04L0.pdf
- Description:
- SCR 400V 1115A TO200AB
- Quantity:
- Payment:
- Shipping:
Inventory:2,400
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Product details
Overview
VS-ST300C04L0 from Vishay Semiconductors is a phase control thyristor (SCR) in B-PUK (TO-200AC) metal-ceramic hockey-puck package, rated for 560 A average on-state current, 400 V repetitive peak off-state voltage (VDRM/VRRM), and 2.18 V maximum on-state voltage at 1635 A. It features center-amplifying gate drive, 100 mA maximum gate trigger current at 25 °C, and operates from -40 °C to +125 °C junction temperature - deployed in industrial AC controllers requiring robust line-frequency switching.
For engineers reviewing the VS-ST300C04L0 datasheet, VS-ST300C04L0 pinout, VS-ST300C04L0 application, or VS-ST300C04L0 equivalent, key selection criteria include verified VDRM = 400 V, IT(AV) = 560 A with double-side cooling, thermal resistance RthJ-hs = 0.05 K/W, dV/dt rating of 500 V/µs, and gate trigger compatibility with 1.8 V / 100 mA at 25 °C.
Technical Context
This SCR uses a planar-diffused silicon structure with center-gate geometry to optimize turn-on uniformity and surge robustness. Its blocking capability is defined by VDRM/VRRM = 400 V and critical dV/dt = 500 V/µs, while conduction behavior is characterized by VT(TO)1 = 0.97 V and rt1 = 0.74 mΩ under low-current conditions.
Switching performance includes typical turn-off time tq = 100 µs at ITM = 550 A, TJ = 125 °C, and dI/dt = 40 A/µs, with non-repetitive surge rating ITSM = 8000 A (10 ms, 50 Hz) under no-voltage-reapplied conditions - confirming suitability for phase-controlled rectification in high-current industrial power converters.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| IT(AV) | 560 A average on-state current at 55 °C heatsink, double-side cooled - supports continuous 3-phase bridge operation up to ~750 kW with appropriate thermal management |
| VDRM / VRRM | 400 V maximum repetitive peak off-state voltage - matches 230 V AC line applications with 1.73× safety margin |
| VTM | 2.18 V max on-state voltage at 1635 A, 10 ms sine pulse, TJ = 125 °C - determines conduction loss and heatsink sizing |
| IGT | 100 mA max DC gate trigger current at TJ = 25 °C - defines minimum driver strength required for reliable turn-on |
| tq | 100 µs typical turn-off time - sets minimum commutation interval in forced-commutated or line-commutated inverters |
| dV/dt | 500 V/µs maximum critical rate of rise of off-state voltage - requires snubber design for inductive loads or fast-switching transients |
| RthJ-hs | 0.05 K/W junction-to-heatsink thermal resistance (DC, double-side cooled) - enables 560 A operation with ≤28 K temperature rise across heatsink interface |
Pinout & Package
VS-ST300C04L0 uses the B-PUK (TO-200AC) metal-ceramic hockey-puck package: anode and cathode are pressure-contacted via threaded studs (M12 x 1.75), gate and auxiliary cathode terminals are fast-on (0.250" wide) per ordering code "1" - mechanical mounting force 9800 N (±10 %).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (A) | Main current terminal (positive side) | High-current path into device; requires torque-controlled stud mounting to heatsink for thermal and electrical integrity |
| Cathode (C) | Main current terminal (negative side) | Primary return path; electrically isolated from case via ceramic insulator; connects to heatsink only through thermal interface |
| Gate (G) | Control input | Low-energy trigger point; accepts 1.8 V / 100 mA pulse; sensitive to dV/dt-induced false triggering without proper snubbing |
| Auxiliary Cathode (KAUX) | Reference node for gate circuit | Provides local cathode reference to improve gate sensitivity and noise immunity; must be connected near main cathode |
Key Features
| Feature | Design Value |
|---|---|
| Center-amplifying gate structure | Enables uniform turn-on across large die area, reducing localized heating and improving di/dt ruggedness to 1000 A/µs |
| Metal case with ceramic insulator | Provides 36.33 mm minimum creepage distance and 17.43 mm strike distance - meets IEC 60664-1 for 400 V working voltage in pollution degree 2 environments |
| B-PUK (TO-200AC) package | Standardized industrial hockey-puck form factor with M12 mounting studs - ensures mechanical interchangeability with legacy ST300-series replacements |
| Industrial-level qualification | Validated for continuous operation from -40 °C to +125 °C junction temperature with 1000-hour life test at rated stress conditions |
Applications
| DC Motor Control | Controlled DC Power Supply |
|---|---|
Use Scenario: Speed regulation of 50–200 kW wound-field DC motors in steel mill rolling stands using single- or three-phase full-wave phase-controlled rectifiers. IC Role / Device Role / Timing Role: Main power switching element in line-commutated thyristor bridge; conducts during controlled conduction angle windows synchronized to AC line zero-crossings. Use Value: Delivers 560 A average output current with <2.2 V conduction drop, enabling >97 % efficiency at full load when paired with low-Rth heatsinking. | Use Scenario: Adjustable 0–600 V / 1000 A DC output for electroplating rectifier systems operating continuously at 400 V AC input. IC Role / Device Role / Timing Role: Phase-controlled rectifier switch in dual anti-parallel configuration for bidirectional energy flow control in regenerative supplies. Use Value: Withstands 8000 A non-repetitive surge (10 ms, 50 Hz), supporting short-term overloads during plating bath startup without derating. |
| AC Controller | Industrial Heating System |
Use Scenario: Solid-state contactor replacement in 3-phase 400 V AC resistive load control for HVAC damper actuators and conveyor motor starters. IC Role / Device Role / Timing Role: Half-wave or full-wave AC phase-angle controller; triggered at programmable delay after zero-crossing to regulate RMS voltage. Use Value: 500 V/µs dV/dt rating allows direct connection to inductive motor windings without external RC snubbers in low-dI/dt applications. | Use Scenario: Power modulation for 100–300 kW resistance heating elements in glass annealing lehrs and metal heat-treating furnaces. IC Role / Device Role / Timing Role: Line-synchronized power switch in transformerless phase-control topology; handles 550 A RMS load current with 100 µs turn-off time. Use Value: RthJ-hs = 0.05 K/W (double-side cooled) permits stable 560 A operation at 75 °C heatsink temperature - reducing cooling fan requirements and system footprint. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar phase control thyristor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ST300C04L0 | Original Vishay part; 400 V VDRM, B-PUK package, fast-on terminals, standard dV/dt (500 V/µs) | Direct fit for existing B-PUK mountings; gate drive compatible with standard 12 V / 100 mA trigger circuits | Select when maintaining legacy design compliance and sourcing from authorized channels before EOL |
| VS-ST300C04L0-E3 | Same die and package; RoHS-compliant termination finish (matte Sn), identical electrical specs | No change in thermal, mechanical, or electrical behavior; qualifies for lead-free assembly processes | Preferred for new designs requiring RoHS-6 compliance and long-term supply continuity beyond December 2024 |
Compared with ST300C04L0 and VS-ST300C04L0-E3, the VS-ST300C04L0 shares identical VDRM, IT(AV), tq, and RthJ-hs - but differs in packaging notation and lifecycle status; VS-ST300C04L0-E3 offers identical performance with RoHS-compliant finish and extended availability planning support.
Availability
VS-ST300C04L0 is available at Aetrix Electronics and suitable for DC motor controls, controlled DC power supplies, and AC controllers requiring stable component supply through its end-of-life date in December 2024.
Supply support for VS-ST300C04L0 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-power, high-reliability diodes, thyristors, MOSFETs, and optoelectronics for industrial, automotive, and computing applications.
The ST300C..L series is designed for industrial phase control and rectification, targeting high-current, line-frequency power conversion where ruggedness, thermal stability, and standardized hockey-puck packaging are essential.
FAQ
What is the maximum average on-state current rating for VS-ST300C04L0?
The VS-ST300C04L0 has a maximum average on-state current IT(AV) of 560 A at 55 °C heatsink temperature with double-side cooling. This rating assumes 180° conduction angle, sinusoidal half-wave current, and proper thermal interface - exceeding 275 A for single-side cooled configurations. Derating is required at higher heatsink temperatures or reduced conduction angles.
Does VS-ST300C04L0 support 400 V AC line applications?
Yes, VS-ST300C04L0 is rated for VDRM/VRRM = 400 V, making it suitable for 230 V AC single-phase and 400 V AC three-phase line applications with appropriate safety margin. Its 500 V/µs dV/dt rating and 1800 V VRSM non-repetitive peak voltage provide robustness against line transients and switching surges in industrial environments.
What gate drive requirements must be met to reliably trigger VS-ST300C04L0?
VS-ST300C04L0 requires a DC gate trigger current IGT ≤ 100 mA and gate voltage VGT ≤ 1.8 V at TJ = 25 °C. A practical gate driver should deliver ≥1.5 A peak current with <1 µs rise time and 10 W peak power (PGM) capability to ensure consistent turn-on across temperature and aging - especially critical given its center-amplifying gate architecture.
Is VS-ST300C04L0 compatible with standard B-PUK (TO-200AC) mounting hardware?
Yes, VS-ST300C04L0 uses the international standard B-PUK (TO-200AC) package with M12 × 1.75 threaded anode and cathode studs and specified mounting force of 9800 N (±10 %). Its outline dimensions, creepage (≥36.33 mm), and strike distance (≥17.43 mm) match TO-200AC mechanical specifications - ensuring drop-in compatibility with existing heatsinks and clamping fixtures.
What is the thermal resistance junction-to-heatsink for VS-ST300C04L0?
The VS-ST300C04L0 has a maximum thermal resistance RthJ-hs of 0.05 K/W under DC operation with double-side cooling, and 0.11 K/W with single-side cooling. These values assume optimal thermal interface material and surface flatness; actual system RthJ-hs will increase with interface resistance, so heatsink design must account for total thermal path including mounting hardware and paste.
VS-ST300C04L0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Series:
- -
- Package/Case:
- TO-200AB, E-PUK
- Packaging:
- Bulk
- Product Status:
- Last Time Buy
- Voltage - Off State:
- 400 V
- Voltage - Gate Trigger (Vgt) (Max):
- 3 V
- Current - Gate Trigger (Igt) (Max):
- 200 mA
- Voltage - On State (Vtm) (Max):
- 2.18 V
- Current - On State (It (AV)) (Max):
- 560 A
- Current - On State (It (RMS)) (Max):
- 1115 A
- Current - Hold (Ih) (Max):
- 600 mA
- Current - Off State (Max):
- 50 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm):
- 8000A, 8380A
- SCR Type:
- Standard Recovery
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Clamp On
- Supplier Device Package:
- TO-200AB (E-Puk)
VS-ST300C04L0 FAQ
1.How can I place an order for VS-ST300C04L0 through Aetrix?
Please submit a Request for Quotation (RFQ) for VS-ST300C04L0 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-ST300C04L0 reliable?
The price and inventory of VS-ST300C04L0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VS-ST300C04L0 is usually 5 days.
3.What payment methods are accepted for VS-ST300C04L0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VS-ST300C04L0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for VS-ST300C04L0?
VS-ST300C04L0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your VS-ST300C04L0 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-ST300C04L0?
For technical support, including VS-ST300C04L0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VS-ST300C04L0 requirements.
6.How does Aetrix verify that VS-ST300C04L0 is sourced from the original manufacturer or authorized distributors?
All VS-ST300C04L0 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-ST300C04L0 meets industry standards.
7.What is the process for return or replacement of VS-ST300C04L0?
All VS-ST300C04L0 units undergo pre-shipment inspection (PSI). If there is an issue with VS-ST300C04L0, 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-ST300C04L0 part is unused and in its original packaging.
Return procedure for VS-ST300C04L0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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