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Vishay General Semiconductor - Diodes Division GBU6D-M3/51
- Part No.:
- GBU6D-M3/51
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- Bridge Rectifiers
- Package:
- 4-SIP, GBU
- Datasheet:
-
GBU6D-M3/51.pdf
- Description:
- BRIDGE RECT 1PHASE 200V 6A GBU
- Quantity:
- Payment:
- Shipping:
Inventory:5,267
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Product details
Overview
GBU6D-M3/51 from Vishay General Semiconductor is a glass passivated single-phase bridge rectifier with 200 V maximum repetitive peak reverse voltage (VRRM), 6.0 A average forward rectified output current (IF(AV)), and 175 A peak forward surge current (IFSM). It features 1.0 V forward voltage drop at 6.0 A, 5 μA reverse leakage current at 25 °C, and is packaged in the GBU case style for PCB mounting in AC/DC power supplies for printers and home appliances.
For engineers reviewing the GBU6D-M3/51 datasheet, GBU6D-M3/51 pinout, GBU6D-M3/51 application, or GBU6D-M3/51 equivalent, key selection criteria include VRRM rating, thermal resistance (RθJA = 20 °C/W), junction temperature limit (150 °C), UL recognition (E54214), and halogen-free RoHS-compliant construction per JESD 201 Class 1A whisker test.
Technical Context
The GBU6D-M3/51 implements a standard full-wave bridge configuration with four silicon diodes arranged in a single-phase in-line package. Its glass passivation ensures stable reverse characteristics up to 125 °C, where IR rises to 500 μA, and its 2.5 °C/W junction-to-case thermal resistance supports heatsink mounting per #6 screw torque specification.
Designed for high-surge reliability, it sustains 175 A non-repetitive peak forward surge current (single sine-wave, 60 Hz) and has an I²t rating of 127 A²s for fusing protection. The device operates across –55 °C to +150 °C junction temperature range and maintains 1500 VRMS dielectric strength between case and terminals.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 200 V - Maximum repetitive reverse voltage the bridge withstands without breakdown; defines usable AC input range (e.g., ≤141 V RMS). |
| IF(AV) | 6.0 A at TC = 90 °C - Continuous DC output current capability when case temperature is maintained at 90 °C via heatsink. |
| IFSM | 175 A - Peak surge current tolerance for one 60 Hz half-cycle; critical for inrush handling in SMPS and adapters. |
| VF @ 6.0 A | 1.0 V - Total forward drop across two series diodes in conduction path; determines conduction loss (6.0 W typical at full load). |
| IR @ 25 °C | 5 μA - Reverse leakage per diode at rated VDC; ensures low standby power loss in off-state. |
| RθJA | 20 °C/W - Junction-to-ambient thermal resistance under PCB-mount conditions (12 mm × 12 mm copper pads, 9.5 mm lead length). |
| TJ max. | 150 °C - Maximum allowable junction temperature; sets thermal design margin for continuous operation. |
Pinout & Package
Package: GBU case style - molded plastic body with matte tin-plated leads, UL 94 V-0 flammability rating, 0.720–0.740 inch (18.3–18.8 mm) length, 0.290–0.310 inch (7.4–7.9 mm) width, and 0.130–0.140 inch (3.30–3.56 mm) height. Mounting torque: 5.7 cm·kg recommended (max 10 cm·kg).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| ~ (AC1) | AC input terminal 1 | One leg of AC input; connected internally to anode of D1 and cathode of D2. |
| ~ (AC2) | AC input terminal 2 | Second leg of AC input; connected internally to cathode of D1 and anode of D2. |
| + | Positive DC output | Common cathode node of D1 and D3; delivers rectified positive voltage to load. |
| – | Negative DC output | Common anode node of D2 and D4; serves as return path for DC output current. |
Key Features
| Feature | Design Value |
|---|---|
| UL recognition | E54214 - Certified for safety compliance in end-equipment requiring regulatory approval (e.g., ITE, household appliances). |
| High surge capability | 175 A IFSM - Enables robust operation during cold-start surges in switching power supplies without failure. |
| Dielectric strength | 1500 VRMS case isolation - Prevents arcing between terminals and heatsink/mounting surface under transient overvoltage. |
| Halogen-free & RoHS | M3 suffix - Meets JEDEC JESD201 Class 1A whisker resistance and environmental compliance for commercial-grade PCB assembly. |
| Solderability | J-STD-002/JESD 22-B102 compliant - Ensures reliable wetting and joint integrity during wave or reflow soldering (≤275 °C, 10 s). |
Applications
| Monitor Power Supply | Printer SMPS |
|---|---|
Use Scenario: AC/DC conversion stage in LCD monitor auxiliary power rails. IC Role / Device Role / Timing Role: Full-wave bridge rectifier converting 115/230 VAC mains to unregulated DC bus. Use Value: 200 V VRRM safely accommodates 230 VAC nominal input with margin; 6.0 A IF(AV) supports multi-rail +12 V/+5 V generation. | Use Scenario: Input rectification in compact laser printer switching mode power supply. IC Role / Device Role / Timing Role: Primary-side bridge rectifier feeding bulk capacitor and PFC/DC-DC controller. Use Value: 175 A IFSM handles motor startup surges; glass passivation ensures long-term stability under intermittent thermal cycling. |
| Audio Equipment PSU | Home Appliance Adapter |
Use Scenario: Mains rectification in Class AB amplifier linear power supply. IC Role / Device Role / Timing Role: High-current bridge delivering ±35 V rails to output stage transistors. Use Value: RθJA = 20 °C/W enables adequate thermal performance on 12 mm × 12 mm PCB copper; 150 °C TJ max allows operation in enclosed enclosures. | Use Scenario: Wall adapter for smart home controllers and IoT hubs. IC Role / Device Role / Timing Role: Compact, cost-effective bridge rectifier in low-noise, low-leakage AC/DC front-end. Use Value: 5 μA IR at 25 °C minimizes no-load power loss; M3 suffix ensures halogen-free compliance for global retail distribution. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bridge rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| GBU6D-E3/51 | Same electrical specs, but RoHS-compliant with lead (Pb)-containing solderable finish; not halogen-free. | Approved for legacy industrial designs where halogen-free is not mandated; may require exemption documentation for EU WEEE. | Select GBU6D-E3/51 only if M3 halogen-free requirement is waived and Pb-based assembly process is used. |
| KBU6D | Identical VRRM (200 V), IF(AV) (6.0 A), and IFSM (175 A); same GBU package but different manufacturer (ON Semiconductor); slightly higher VF (1.1 V). | Used in automotive-qualified power modules where KBU-series qualification history is required; not UL E54214 recognized. | Choose KBU6D only when ON Semi's qualification pedigree is mandatory and UL certification is not required. |
Compared with GBU6D-E3/51 and KBU6D, the GBU6D-M3/51 uniquely combines halogen-free construction, UL E54214 listing, and 1.0 V VF - making it optimal for consumer-facing, globally distributed power adapters and CE-marked appliances where both environmental compliance and safety certification are non-negotiable.
Availability
GBU6D-M3/51 is available at Aetrix Electronics and suitable for monitor power supplies, printer SMPS, and home appliance adapters requiring stable component supply, halogen-free compliance, and UL safety recognition.
Supply support for GBU6D-M3/51 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 General Semiconductor is a global leader in discrete semiconductors, specializing in diodes, rectifiers, MOSFETs, and optoelectronics with emphasis on reliability, efficiency, and application-specific optimization.
The GBU6D-M3/51 belongs to Vishay's GBU-series glass-passivated bridge rectifiers, engineered for high-surge, high-reliability AC/DC conversion in cost-sensitive consumer and industrial power supplies.
FAQ
What is the maximum operating junction temperature for GBU6D-M3/51?
The GBU6D-M3/51 has a maximum operating junction temperature (TJ max.) of +150 °C, as specified in Vishay's datasheet Document Number 88615. This rating enables reliable operation in enclosed environments such as printer power supplies or audio amplifiers where ambient temperatures may exceed 70 °C. Thermal design must ensure that actual junction temperature remains below this limit under worst-case load and ambient conditions. Derating curves in the GBU6D-M3/51 datasheet show how IF(AV) decreases as case temperature rises above 90 °C.
Does GBU6D-M3/51 meet UL safety certification?
Yes, the GBU6D-M3/51 carries UL recognition file number E54214, confirming compliance with UL 60950-1 and UL 62368-1 for use in information technology equipment and audio/video apparatus. This certification covers dielectric strength (1500 VRMS), flammability (UL 94 V-0), and construction integrity. The GBU6D-M3/51 is approved for use in end products requiring UL listing, including monitors, printers, and home appliances sold in North America and other UL-accepting markets.
What is the forward voltage drop of GBU6D-M3/51 at rated current?
The GBU6D-M3/51 exhibits a maximum instantaneous forward voltage drop (VF) of 1.0 V per diode at 6.0 A and 25 °C, resulting in ~2.0 V total drop across the conducting path (two diodes in series). This value is confirmed in the Electrical Characteristics table of the official Vishay datasheet. At elevated temperatures or lower currents, VF decreases slightly; however, system-level conduction losses should be calculated using 1.0 V per diode as the worst-case design point for thermal and efficiency analysis of the GBU6D-M3/51.
How does the M3 suffix differ from E3 in GBU6D-M3/51?
The M3 suffix in GBU6D-M3/51 denotes halogen-free, RoHS-compliant construction meeting JEDEC JESD201 Class 1A whisker resistance, while E3 indicates RoHS-compliant construction with lead (Pb) in the solderable finish. Both share identical electrical ratings and GBU package dimensions, but only M3 satisfies strict halogen-free requirements (e.g., IEC 61249-2-21) for eco-labeling and regional regulations like China RoHS II. The GBU6D-M3/51 is preferred for global consumer electronics where brominated flame retardants and chlorine content must be minimized.
What is the thermal resistance from junction to ambient for GBU6D-M3/51?
The typical junction-to-ambient thermal resistance (RθJA) of the GBU6D-M3/51 is 20 °C/W under standard PCB-mount conditions: 0.5" × 0.5" (12 mm × 12 mm) copper pads and 0.375" (9.5 mm) lead length, per Figure 1 in the Vishay datasheet. This value assumes free-air convection and no heatsink. When mounted on an aluminum plate heatsink, RθJC drops to 2.5 °C/W - enabling higher sustained current. Designers must use the appropriate RθJA or RθJC value based on the actual mechanical implementation to calculate junction temperature for the GBU6D-M3/51.
GBU6D-M3/51 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Series:
- -
- Package/Case:
- 4-SIP, GBU
- Packaging:
- Tray
- Product Status:
- Active
- Diode Type:
- Single Phase
- Technology:
- Standard
- Voltage - Peak Reverse (Max):
- 200 V
- Current - Average Rectified (Io):
- 6 A
- Voltage - Forward (Vf) (Max) @ If:
- 1 V @ 3 A
- Current - Reverse Leakage @ Vr:
- 5 µA @ 200 V
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- GBU
GBU6D-M3/51 FAQ
1.How can I place an order for GBU6D-M3/51 through Aetrix?
Please submit a Request for Quotation (RFQ) for GBU6D-M3/51 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 GBU6D-M3/51 reliable?
The price and inventory of GBU6D-M3/51 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for GBU6D-M3/51 is usually 5 days.
3.What payment methods are accepted for GBU6D-M3/51?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for GBU6D-M3/51 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for GBU6D-M3/51?
GBU6D-M3/51 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your GBU6D-M3/51 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 GBU6D-M3/51?
For technical support, including GBU6D-M3/51 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your GBU6D-M3/51 requirements.
6.How does Aetrix verify that GBU6D-M3/51 is sourced from the original manufacturer or authorized distributors?
All GBU6D-M3/51 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 GBU6D-M3/51 meets industry standards.
7.What is the process for return or replacement of GBU6D-M3/51?
All GBU6D-M3/51 units undergo pre-shipment inspection (PSI). If there is an issue with GBU6D-M3/51, 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 GBU6D-M3/51 part is unused and in its original packaging.
Return procedure for GBU6D-M3/51:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
GBU6D-M3/51 Tags
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