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Taiwan Semiconductor Corporation GBU1005
- Part No.:
- GBU1005
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Bridge Rectifiers
- Package:
- 4-SIP, GBU
- Datasheet:
-
GBU1005.pdf
- Description:
- BRIDGE RECT 1PHASE 600V 10A GBU
- Quantity:
- Payment:
- Shipping:
Inventory:2,404
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Product details
Overview
GBU1005 from Taiwan Semiconductor is a 10A, 600V repetitive peak reverse voltage (VRRM) standard bridge rectifier in GBU package, featuring 220A surge current capability, 2°C/W junction-to-case thermal resistance, and typical reverse leakage <5µA at 25°C. It serves as AC-to-DC front-end rectification in compact power adapters and industrial SMPS.
For engineers reviewing the GBU1005 datasheet, GBU1005 pinout, GBU1005 application, or GBU1005 equivalent, key selection factors include its 600V VRRM, 10A average forward current rating, GBU through-hole package footprint, and AEC-Q101-qualified variant availability (GBU1005H).
Technical Context
The GBU1005 integrates four silicon diodes in a single-phase full-wave bridge configuration with common-cathode and common-anode terminals. Its 600V VRRM and 420V RMS reverse voltage rating support universal-input offline AC-DC conversion up to 265VAC.
Thermal performance is defined by RθJC = 2°C/W and RθJA = 21°C/W, enabling 10A continuous operation with minimal heatsinking in PCB-mounted applications. Junction capacitance is 94pF per diode at 1MHz/4V, supporting stable high-frequency rectification.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 600 V - supports 265VAC input with 2× safety margin for line surges |
| IF | 10 A - maximum average forward current at TC = 75°C, suitable for 100–150W SMPS |
| IFSM | 220 A - 8.3ms half-sine surge rating enables robust cold-start handling |
| RθJC | 2 °C/W - low thermal resistance allows direct PCB copper pour cooling without external heatsink |
| IR @ 25°C | <5 µA - low leakage preserves efficiency in standby and light-load conditions |
| CJ per diode | 94 pF - measured at 1MHz/4V, minimizes switching noise in high-frequency converters |
Pinout & Package
Package: GBU - 4-pin, single-in-line (SIL) through-hole molded plastic case with matte tin-plated leads, UL 94V-0 rated compound, 4.0g weight, polarity marked on body.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| ~ (AC1) | AC input terminal 1 | One of two AC input nodes; connects to live/neutral side of transformer secondary |
| ~ (AC2) | AC input terminal 2 | Second AC input node; completes full-wave bridge input path |
| + (DC+) | Positive DC output | Full-wave rectified positive output; ties to bulk capacitor anode and regulator input |
| – (DC–) | Negative DC output / common return | Full-wave rectified negative output; serves as system ground reference and capacitor cathode |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification option | Available as GBU1005H for automotive-grade reliability in under-hood power modules |
| 1500VRMS dielectric strength | Ensures isolation integrity between AC inputs and DC outputs under transient overvoltage stress |
| UL Recognized (E-326243) | Validates safety compliance for end-equipment certification in North America |
| Halogen-free construction | Meets IEC 61249-2-21, supporting RoHS and WEEE-compliant manufacturing |
Applications
| LED Driver Power Supply | Industrial AC-DC Adapter |
|---|---|
Use Scenario: Constant-current LED driver for street lighting operating from 220–240VAC mains. IC Role / Device Role / Timing Role: Primary-side bridge rectifier converting AC line to unregulated DC bus prior to PFC and DC-DC stages. Use Value: 600V VRRM accommodates 240VAC + 20% tolerance and lightning-induced surges without breakdown. | Use Scenario: DIN-rail mounted 24V/5A industrial adapter powering PLC I/O modules. IC Role / Device Role / Timing Role: Input-stage rectifier delivering 34V DC bus to downstream buck converter. Use Value: 220A IFSM withstands repeated inrush currents during hot-plug events across multiple units. |
| Consumer Wall Adapter | Appliance Control Board Power |
Use Scenario: Compact 12V/2A wall adapter for smart home hubs with universal 100–240VAC input. IC Role / Device Role / Timing Role: Full-wave bridge rectifier feeding primary-side flyback controller. Use Value: GBU package provides mechanical stability and thermal mass for convection-cooled designs under 15W load. | Use Scenario: Microwave oven control board requiring isolated 5V/3.3V rails from 120VAC supply. IC Role / Device Role / Timing Role: Mains-connected rectifier supplying auxiliary power to microcontroller and display drivers. Use Value: 1500VRMS dielectric strength ensures creepage/clearance compliance for Class I appliance safety standards. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bridge rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| GBU1006 (Taiwan Semi) | 800V VRRM, same IF/IFSM/package | Supports higher AC line voltages (e.g., 380VAC three-phase systems) | Select when design requires >600V reverse margin or operates in 380V regions |
| GBU8K (ON Semiconductor) | 800V VRRM, 8A IF, 175A IFSM, same GBU package | Lower current rating; not suitable for 10A continuous loads | Acceptable only if average load remains ≤8A and surge margin is sufficient |
Compared with GBU1005, GBU1006 offers higher reverse voltage headroom without changing layout or thermal design, while GBU8K trades 2A current capacity for legacy compatibility in lower-power replacements.
Availability
GBU1005 is available at Aetrix Electronics and suitable for switching mode power supplies, lighting drivers, and industrial adapters requiring stable component supply with consistent parametric performance across production lots.
Supply support for GBU1005 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
Taiwan Semiconductor Corporation (TSC) is a vertically integrated analog and discrete semiconductor manufacturer headquartered in Hsinchu, Taiwan, specializing in rectifiers, TVS diodes, MOSFETs, and power ICs.
The GBU series was developed for high-reliability, cost-optimized AC-DC front-end rectification in consumer, industrial, and automotive power supplies, emphasizing thermal robustness and safety certification readiness.
FAQ
What is the peak repetitive reverse voltage rating of the GBU1005?
The GBU1005 has a peak repetitive reverse voltage (VRRM) rating of 600 V. This value is confirmed in the Absolute Maximum Ratings table of the official Taiwan Semiconductor datasheet (Version M2103), where GBU1005 is explicitly assigned 600 V alongside marking code "GBU1005". It defines the maximum allowable reverse voltage across any diode pair during normal operation.
Does the GBU1005 have AEC-Q101 qualification?
The base GBU1005 is not AEC-Q101 qualified, but the variant GBU1005H is explicitly designated for AEC-Q101 compliance per the Ordering Information section. The "H" suffix indicates automotive-grade screening and testing; standard GBU1005 should be used only in commercial/industrial applications unless the H-version is specified and sourced.
What is the thermal resistance from junction to case for the GBU1005?
The junction-to-case thermal resistance (RθJC) of the GBU1005 is 2 °C/W, as published in the Thermal Performance section of the Taiwan Semiconductor datasheet. This low value reflects efficient heat transfer from the silicon die to the leadframe, enabling high-current operation with minimal external heatsinking when mounted on adequate PCB copper area.
How many pins does the GBU1005 have, and what is their function?
The GBU1005 has four terminals in a single-in-line (SIL) configuration: two AC inputs (~), one positive DC output (+), and one negative DC output (–). These correspond to the standard full-wave bridge rectifier pinout, with polarity clearly marked on the device body per the Marking Diagram in the datasheet.
What is the maximum average forward current rating for the GBU1005?
GBU1005 is rated for 10 A average forward current (IF) under specified thermal conditions (case temperature ≤75°C). This rating is consistent across the GBU1001–GBU1007 family and appears in both the Key Parameters summary and Absolute Maximum Ratings table, confirming its suitability for 100–150W power conversion stages.
GBU1005 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- 4-SIP, GBU
- Packaging:
- Tube
- Product Status:
- Discontinued at Digi-Key
- Diode Type:
- Single Phase
- Technology:
- Standard
- Voltage - Peak Reverse (Max):
- 600 V
- Current - Average Rectified (Io):
- 10 A
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 10 A
- Current - Reverse Leakage @ Vr:
- 5 µA @ 600 V
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- GBU
GBU1005 FAQ
1.How can I place an order for GBU1005 through Aetrix?
Please submit a Request for Quotation (RFQ) for GBU1005 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 GBU1005 reliable?
The price and inventory of GBU1005 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for GBU1005 is usually 5 days.
3.What payment methods are accepted for GBU1005?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for GBU1005 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for GBU1005?
GBU1005 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your GBU1005 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 GBU1005?
For technical support, including GBU1005 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your GBU1005 requirements.
6.How does Aetrix verify that GBU1005 is sourced from the original manufacturer or authorized distributors?
All GBU1005 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 GBU1005 meets industry standards.
7.What is the process for return or replacement of GBU1005?
All GBU1005 units undergo pre-shipment inspection (PSI). If there is an issue with GBU1005, 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 GBU1005 part is unused and in its original packaging.
Return procedure for GBU1005:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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