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Vishay General Semiconductor - Diodes Division VS-150KR10A
- Part No.:
- VS-150KR10A
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- Single Diodes
- Package:
- DO-205AA, DO-8, Stud
- Datasheet:
-
VS-150KR10A.pdf
- Description:
- DIODE GP REV 100V 150A DO205AA
- Quantity:
- Payment:
- Shipping:
Inventory:4,312
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Product details
Overview
VS-150KR10A from Vishay is a stud-mount standard recovery power diode with 100 V maximum repetitive peak reverse voltage (VRRM), 150 A average forward current (IF(AV)) at 150 °C case temperature, and 3740 A non-repetitive surge current (IFSM) at 60 Hz. It features alloy construction, stud anode polarity, DO-205AA (DO-8) package, and is qualified for industrial-level operation in high-power freewheeling and rectification roles.
For engineers reviewing the VS-150KR10A datasheet, VS-150KR10A pinout, VS-150KR10A application, or VS-150KR10A equivalent, this part is selected for high-current DC link protection, welder secondary rectification, and medium-traction freewheeling where thermal robustness, surge resilience, and stud-mount mechanical reliability are critical design requirements.
Technical Context
The VS-150KR10A is a single-die, alloy-junction, standard recovery diode optimized for conduction angles ≥60° in line-frequency (50/60 Hz) applications. Its 0.25 K/W junction-to-case thermal resistance and 0.10 K/W case-to-heatsink resistance enable stable operation up to 200 °C junction temperature under sustained 150 A DC or 235 A RMS loads.
It exhibits dual forward voltage characteristics: low-threshold VF(TO)1 = 0.67 V and high-level slope resistance rf2 = 0.91 mΩ at I > π × IF(AV), supporting predictable power loss modeling across load ranges. Surge capability is defined per IEC 60747-2 with validated 3740 A (60 Hz, 8.3 ms) and 58 kA²s I²t rating.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| IF(AV) | 150 A at TC = 150 °C - defines continuous DC or half-sine conduction limit without derating |
| VRRM | 100 V - maximum steady-state reverse voltage before breakdown; sets minimum blocking margin in 48–72 V DC systems |
| IFSM (60 Hz) | 3740 A - peak non-repetitive surge current handling for short-circuit or inrush events in AC-fed welders |
| RthJC | 0.25 K/W - enables 37.5 W of dissipation per °C ΔT between junction and case under DC operation |
| I²t (60 Hz) | 58 kA²s - fusing energy threshold used to coordinate upstream fuse selection for overcurrent protection |
| VFM | 1.33 V at 471 A, 25 °C - forward drop during transient overload, critical for snubber and thermal stress analysis |
| TJ Range | −40 to +200 °C - supports operation in uncooled industrial enclosures and traction environments with wide ambient swings |
Pinout & Package
VS-150KR10A uses a two-terminal stud-mount package: anode is connected to the threaded stud (reverse polarity configuration), cathode is the insulated base flange. Package type is DO-205AA (DO-8), with M12 × 1.75 metric stud thread (per Vishay Doc #95314).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Stud) | Forward current entry point | Mechanically integrated into heatsink; requires torque-controlled mounting (9.5–12.5 N·m lubricated) for optimal thermal contact |
| Cathode (Flange) | Forward current exit point | Electrically isolated metal surface; must be mounted to insulated heatsink or busbar with dielectric interface |
Key Features
| Feature | Design Value |
|---|---|
| Alloy junction construction | Enables stable 200 °C junction operation and eliminates thermal runaway risk under high I²R stress |
| Stud anode (reverse polarity) | Allows direct mounting to grounded chassis or heatsink while keeping cathode electrically isolated for floating DC bus topologies |
| High IFSM/IF(AV) ratio (24.9×) | Supports 3.7 kA short-circuit clamping in battery chargers without catastrophic failure during fault clearing |
| Low RthCS = 0.10 K/W | Reduces thermal interface dependency-enables use with minimal thermal grease and flat-machined heatsinks |
| Industrial qualification | Validated per Vishay internal standards for 1000-cycle thermal cycling and 1000 h life test at rated IF(AV) and TJ = 175 °C |
Applications
| Battery Charger Rectifier | Welder Secondary Rectifier |
|---|---|
|
Use Scenario: High-current AC-to-DC conversion in 48 V / 150 A industrial battery chargers with transformer-isolated secondaries. IC Role / Device Role / Timing Role: Main power rectifier conducting full-wave 50/60 Hz sinusoidal current with 180° conduction angle. Use Value: 150 A IF(AV) and 3740 A IFSM ensure reliable operation during deep-discharge recharge surges and transformer inrush. |
Use Scenario: Output rectification in medium-duty resistance spot welders with 20–50 kVA transformers. IC Role / Device Role / Timing Role: Freewheeling and rectification path for pulsed DC output; handles intermittent 100–300 ms duty cycles. Use Value: 200 °C TJ rating and 58 kA²s I²t withstand allow repeated high-current pulses without thermal degradation. |
| Machine Tool DC Link | Medium Traction Freewheeling |
|
Use Scenario: DC link protection and regeneration path in CNC spindle drives with regenerative braking. IC Role / Device Role / Timing Role: Freewheeling diode across IGBTs during motor deceleration; conducts reverse recovery current. Use Value: Standard recovery behavior and 0.25 K/W RthJC prevent localized hot spots during frequent 10–50 ms braking events. |
Use Scenario: Regenerative energy recapture in 750 V DC rail systems for light rail or mining vehicles. IC Role / Device Role / Timing Role: Bidirectional freewheeling path in chopper-based traction inverters operating at 200–500 Hz switching. Use Value: Stud-mount mechanical integrity and −40 to +200 °C TJ range support vibration-prone, wide-ambient deployments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-current standard recovery diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| VSK150-10 | Same VRRM (100 V), but TO-247AC package with isolated tab; lower IFSM (3200 A @ 60 Hz); RthJC = 0.35 K/W | Requires PCB mount and external heatsink; unsuitable for direct stud-to-chassis grounding | Select when board-level integration and isolation flexibility outweigh thermal performance needs |
| VS-150K10A | Identical specs except normal polarity (cathode on stud); same DO-205AA package and ratings | Mounts with cathode grounded; incompatible in circuits requiring anode-grounded topology | Choose only if system grounding scheme mandates cathode-to-chassis connection |
Compared with VS-150KR10A, VSK150-10 trades thermal efficiency and mechanical ruggedness for packaging flexibility, while VS-150K10A offers identical electrical performance in reversed polarity-making VS-150KR10A uniquely suited for anode-grounded, high-surge, stud-mounted industrial rectifiers.
Availability
VS-150KR10A is available at Aetrix Electronics and suitable for battery chargers, welders, and machine tool controls requiring stable component supply, long-lifecycle assurance, and traceable industrial-grade sourcing.
Supply support for VS-150KR10A 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 Intertechnology is a global semiconductor and passive component manufacturer specializing in power, sensing, and discrete solutions for industrial, automotive, and computing markets.
The VS-150KR10A belongs to Vishay's High Power Products 45L(R)/150K(R)/150KS(R) series-designed specifically for high-current, high-reliability rectification and freewheeling in industrial power conversion equipment.
FAQ
What is the mounting torque specification for VS-150KR10A?
The VS-150KR10A requires controlled torque during stud installation: 9.5–12.5 N·m (85–110 lbf·in) with lubricated threads, or 11.3–14.1 N·m (100–125 lbf·in) with dry threads. Proper torque ensures optimal thermal resistance (RthCS ≤ 0.10 K/W) and mechanical reliability under thermal cycling. Exceeding maximum torque risks stud deformation or flange cracking.
Does VS-150KR10A support reverse polarity mounting?
Yes-the "R" suffix in VS-150KR10A explicitly denotes reverse polarity: the anode is connected to the stud, and the cathode is the insulated flange. This configuration allows direct mounting to grounded chassis while maintaining cathode isolation, essential for certain DC bus topologies. Do not substitute with non-R variants without verifying grounding architecture.
What is the maximum allowable junction temperature for VS-150KR10A?
The VS-150KR10A has a maximum junction temperature (TJ) of +200 °C, verified per Vishay internal qualification testing. Operation at this limit requires strict thermal management-ensuring RthJC + RthCS + RthSA ≤ 1.15 K/W to maintain TJ ≤ 200 °C at 150 A IF(AV). Derating is required above 150 °C case temperature.
How does VS-150KR10A differ from VS-150K10A?
The VS-150KR10A and VS-150K10A share identical electrical ratings (VRRM, IF(AV), IFSM, etc.) and package (DO-205AA), but differ in polarity: VS-150KR10A has anode-on-stud ("R" = reverse), while VS-150K10A has cathode-on-stud. Swapping them without circuit review risks reverse biasing and catastrophic failure.
Is VS-150KR10A RoHS compliant?
Yes, VS-150KR10A is RoHS compliant per Directive 2011/65/EU, as confirmed in Vishay Document #93489 (Revision 21-May-08). Compliance covers lead-free terminations and exemption-aligned materials; full substance declarations are available upon request from Vishay's compliance portal.
VS-150KR10A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Series:
- -
- Package/Case:
- DO-205AA, DO-8, Stud
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Technology:
- Standard, Reverse Polarity
- Voltage - DC Reverse (Vr) (Max):
- 100 V
- Current - Average Rectified (Io):
- 150A
- Voltage - Forward (Vf) (Max) @ If:
- 1.33 V @ 471 A
- Speed:
- Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 35 mA @ 100 V
- Capacitance @ Vr, F:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Chassis, Stud Mount
- Supplier Device Package:
- DO-205AA (DO-8)
- Operating Temperature - Junction:
- -40°C ~ 200°C
VS-150KR10A FAQ
1.How can I place an order for VS-150KR10A through Aetrix?
Please submit a Request for Quotation (RFQ) for VS-150KR10A 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-150KR10A reliable?
The price and inventory of VS-150KR10A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VS-150KR10A is usually 5 days.
3.What payment methods are accepted for VS-150KR10A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VS-150KR10A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for VS-150KR10A?
VS-150KR10A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your VS-150KR10A 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-150KR10A?
For technical support, including VS-150KR10A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VS-150KR10A requirements.
6.How does Aetrix verify that VS-150KR10A is sourced from the original manufacturer or authorized distributors?
All VS-150KR10A 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-150KR10A meets industry standards.
7.What is the process for return or replacement of VS-150KR10A?
All VS-150KR10A units undergo pre-shipment inspection (PSI). If there is an issue with VS-150KR10A, 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-150KR10A part is unused and in its original packaging.
Return procedure for VS-150KR10A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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