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Taiwan Semiconductor Corporation GBU802
- Part No.:
- GBU802
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Bridge Rectifiers
- Package:
- 4-ESIP, GBU
- Datasheet:
-
GBU802.pdf
- Description:
- BRIDGE RECT 1PHASE 100V 8A GBU
- Quantity:
- Payment:
- Shipping:
Inventory:961
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Product details
Overview
GBU802 from Diodes Incorporated is a standard recovery 8A bridge rectifier in GBU package, rated for 200V repetitive peak reverse voltage (VRRM), 1.0V max forward voltage at 4A, and 5µA max reverse leakage at 25°C. It delivers 200A non-repetitive surge current capability and is designed for AC/DC power conversion in industrial power supplies and motor control circuits.
For engineers reviewing the GBU802 datasheet, GBU802 pinout, GBU802 application, or GBU802 equivalent, key selection criteria include VRRM margin for line-voltage transients, thermal resistance (2.2°C/W junction-to-case), IFSM rating for inrush handling, and UL recognition (E95060) for safety-compliant designs.
Technical Context
This single-phase, full-wave bridge rectifier uses glass-passivated silicon die to ensure stable reverse blocking and low IR drift over temperature. Its 1500VRMS case dielectric strength supports reinforced insulation in isolated power stages.
The device operates across –55°C to +150°C junction temperature range and requires mounting on a 50mm × 50mm × 1.6mm copper heatsink for rated 8.0A average forward current - derating applies for capacitive loads per specification.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 200 V - Withstands peak line voltage surges up to 200V in 50/60Hz AC inputs without breakdown |
| IF(AV) | 8.0 A @ TC = +100°C - Sustains continuous DC output current when heatsink maintains case at 100°C |
| VF Max | 1.0 V @ IF = 4A - Limits conduction loss to ≤4W per half-cycle at typical operating current |
| IR Max | 5 µA @ 25°C - Ensures minimal standby power loss and stable DC bus hold-up in low-power modes |
| IFSM | 200 A (8.3ms half-sine) - Survives cold-start inrush into bulk capacitors without fusing |
| RθJC | 2.2 °C/W - Requires ≥50mm² copper pad for thermal management at full load |
| VB | 200 V @ IR = 5µA - Confirms minimum breakdown threshold matches VRRM rating |
Pinout & Package
Package: GBU through-hole plastic package (UL 94V-0), weight ≈3.7 g, mountable with #6 screw (max torque 5.0 in-lb). Terminals are tin-finished and solderable per MIL-STD-202, Method 208.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AC1 | Input AC terminal 1 | One of two AC input pins; connects to live or neutral leg of transformer secondary |
| AC2 | Input AC terminal 2 | Second AC input pin; completes full-wave bridge input path with AC1 |
| + (Anode) | Positive DC output | Full-wave rectified positive output node; ties to bulk capacitor anode or regulator input |
| – (Cathode) | Negative DC output | Full-wave rectified negative output node; serves as system ground reference or return path |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die | Enables stable reverse characteristics and long-term reliability under humidity and thermal cycling |
| 1500VRMS dielectric strength | Meets reinforced insulation requirements for Class II power supplies and medical auxiliary circuits |
| 200A surge rating | Supports direct connection to unfiltered transformer secondaries without external NTC or fusing |
| UL Recognized (E95060) | Validates construction compliance for end-equipment safety certification (e.g., UL 62368-1) |
| Lead-free & RoHS 3 compliant | Fulfills environmental compliance for global commercial and industrial shipments |
Applications
| Industrial Power Supply | Motor Drive Front-End |
|---|---|
Use Scenario: 230VAC input stage of DIN-rail mounted 48V/10A switch-mode power supply. IC Role / Device Role / Timing Role: Full-wave bridge rectifier converting AC line to pulsating DC prior to bulk capacitance and PFC stage. Use Value: 200V VRRM provides 2× safety margin over 230VAC peak (325V), while 200A IFSM handles transformer inrush without degradation. | Use Scenario: Single-phase AC input rectification for 1HP brushless DC motor drive. IC Role / Device Role / Timing Role: Primary AC-to-DC conversion block feeding H-bridge inverter stage. Use Value: 8A IF(AV) rating supports continuous 750W output; low VF minimizes heat generation near gate driver ICs. |
| LED Streetlight Driver | Appliance Control Board |
Use Scenario: Input rectification in outdoor-rated constant-current LED driver with active PFC. IC Role / Device Role / Timing Role: First-stage rectifier before boost converter; operates with high ambient temperature. Use Value: 150°C max junction temperature and 2.2°C/W RθJC enable operation in sealed, thermally constrained enclosures. | Use Scenario: Mains-powered HVAC control board with relay and microcontroller subsystems. IC Role / Device Role / Timing Role: Isolated low-power AC/DC supply for logic and sensing circuitry. Use Value: UL E95060 recognition simplifies end-product safety approval; 5µA IR prevents capacitor discharge during standby. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bridge rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| GBU8K (ON Semiconductor) | VRRM = 200V, IF(AV) = 8A, VF = 1.1V max @ 4A, RθJC = 2.5°C/W | Higher VF and thermal resistance reduce efficiency and require larger heatsink area | Acceptable where thermal headroom exists and UL recognition is not required |
| KBU8B (Comchip) | VRRM = 200V, IF(AV) = 8A, VF = 1.05V max @ 4A, no UL file number listed | Lacks UL recognition; may delay end-equipment certification cycles | Suitable for cost-sensitive, non-certified internal systems only |
Compared with GBU802, GBU8K offers identical voltage/current ratings but trades off higher conduction loss and thermal impedance, while KBU8B omits UL qualification - making GBU802 the preferred choice for certified industrial and outdoor-rated designs requiring reliability and regulatory alignment.
Availability
GBU802 is available at Aetrix Electronics and suitable for industrial power supplies, motor drive front-ends, LED streetlight drivers, and appliance control boards requiring stable component supply and long-term manufacturability.
Supply support for GBU802 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and the Americas.
The GBU series belongs to Diodes' standard recovery bridge rectifier product line, engineered for robustness and safety compliance in AC/DC front-end conversion for industrial, automotive, and consumer power systems.
FAQ
What is the maximum allowable case temperature for continuous 8A operation?
The GBU802 is rated for 8.0A average forward current at TC = +100°C. Operation above this temperature requires linear derating per the datasheet curve; at TC = +125°C, the current must be reduced to approximately 6.2A to maintain reliability and avoid thermal runaway.
Can GBU802 be used in capacitive-input filter configurations?
Yes, but with 20% current derating applied - meaning maximum IF(AV) drops to 6.4A. This accounts for higher peak currents drawn by bulk capacitors, which increase junction temperature and stress the die beyond resistive-load assumptions.
Is the GBU802 suitable for automotive under-hood applications?
No - while it operates from –55°C to +150°C, it is not qualified to AEC-Q101. Diodes explicitly states that automotive-grade variants require separate PPAP-capable part numbers and IATF 16949 manufacturing; GBU802 is intended for industrial/commercial use only.
Does the GBU802 have polarity marking for PCB assembly verification?
Yes - polarity is marked on the body: a white band identifies the cathode (–) output terminal, and the AC input terminals are labeled "~" adjacent to each pin. This enables visual verification during manual or automated assembly and reduces risk of reverse installation.
GBU802 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- 4-ESIP, GBU
- Packaging:
- Tube
- Product Status:
- Active
- Diode Type:
- Single Phase
- Technology:
- Standard
- Voltage - Peak Reverse (Max):
- 100 V
- Current - Average Rectified (Io):
- 8 A
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 8 A
- Current - Reverse Leakage @ Vr:
- 5 µA @ 100 V
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- GBU
GBU802 FAQ
1.How can I place an order for GBU802 through Aetrix?
Please submit a Request for Quotation (RFQ) for GBU802 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 GBU802 reliable?
The price and inventory of GBU802 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for GBU802 is usually 5 days.
3.What payment methods are accepted for GBU802?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for GBU802 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for GBU802?
GBU802 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your GBU802 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 GBU802?
For technical support, including GBU802 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your GBU802 requirements.
6.How does Aetrix verify that GBU802 is sourced from the original manufacturer or authorized distributors?
All GBU802 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 GBU802 meets industry standards.
7.What is the process for return or replacement of GBU802?
All GBU802 units undergo pre-shipment inspection (PSI). If there is an issue with GBU802, 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 GBU802 part is unused and in its original packaging.
Return procedure for GBU802:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
GBU802 Tags
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