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Taiwan Semiconductor Corporation GBPC4008
- Part No.:
- GBPC4008
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Bridge Rectifiers
- Package:
- 4-Square, GBPC
- Datasheet:
-
GBPC4008.pdf
- Description:
- BRIDGE RECT 1PHASE 800V 40A GBPC
- Quantity:
- Payment:
- Shipping:
Inventory:192
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Product details
Overview
GBPC4008 from Taiwan Semiconductor is a 40A, 800V standard single-phase bridge rectifier in GBPC40 package with glass-passivated junctions, 1.5°C/W junction-to-case thermal resistance, and 400A peak surge current capability-used in AC-DC conversion stages of industrial power supplies.
For engineers reviewing the GBPC4008 datasheet, GBPC4008 pinout, GBPC4008 application, or GBPC4008 equivalent, key selection factors include its 800V repetitive peak reverse voltage, 40A average forward current rating, low thermal resistance for heatsink-mounted operation, and UL Recognized (E-326243) compliance for safety-critical designs.
Technical Context
This quad-diode bridge integrates four silicon junctions in a single molded package with universal 4-way terminals (snap-on, wrap-around, solder, or PCB mount). Its glass-passivated chips ensure stable reverse leakage (<10 µA at 25°C) and high reliability under thermal cycling.
The device operates across –55°C to +150°C junction temperature range, supports 8.3ms half-sine surge currents up to 400A, and delivers 1.1V max forward voltage per diode at rated current-enabling efficient rectification in high-current SMPS front-ends.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 800 V - Maximum repetitive reverse voltage the bridge withstands without breakdown; defines input AC voltage compatibility (e.g., 560 Vrms line). |
| IF(AV) | 40 A - Continuous average forward current per device; determines sustained DC output capability in convection-cooled or heatsink-mounted designs. |
| IFSM | 400 A - Peak non-repetitive surge current for 8.3 ms; enables robust startup and fault tolerance in high-inrush applications. |
| RθJC | 1.5 °C/W - Junction-to-case thermal resistance; allows accurate heatsink sizing when mounted to metal surfaces with thermal interface material. |
| VF (per diode) | 1.1 V max @ 20 A, 25°C - Forward voltage drop limits conduction losses and self-heating during steady-state operation. |
| IR (per diode) | 10 µA max @ rated VR, 25°C - Low reverse leakage preserves efficiency and stability in high-impedance or precision hold-up circuits. |
Pinout & Package
GBPC4008 uses the GBPC40 molded case: 29.0 × 28.5 mm footprint, 17.55 mm height, with integral heatsink base and four terminals-two AC inputs (marked ~), one anode (+), one cathode (–). Cathode terminal is parallel to anode in GBPC40-M variant; GBPC4008 follows standard GBPC40 orientation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AC1 / AC2 | AC Input Terminals | Accept full-wave AC input; symmetrical connection allows flexible transformer or line-side wiring without polarity sensitivity. |
| + | Anode Output | Positive DC output node; connects to bulk capacitor positive rail or downstream regulator input. |
| – | Cathode Output | DC common/return node; serves as reference for output filtering and feedback networks. |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junctions | Enables stable reverse leakage (<10 µA) and long-term reliability under humidity and thermal stress per JESD201 Class 1A whisker testing. |
| Integral heatsink base | Reduces thermal path length and achieves 1.5°C/W RθJC-supports 40A continuous operation with minimal external heatsinking. |
| Universal 4-way terminals | Supports snap-on, wrap-around, solder, or PCB mounting-enables flexible mechanical integration across industrial, telecom, and appliance platforms. |
| UL Recognized (E-326243) | Validates flammability (UL 94V-0), electrical spacing, and construction integrity for use in certified end-equipment without additional system-level safety review. |
Applications
| Industrial Switch-Mode Power Supplies | AC-DC Front-End Converters |
|---|---|
Use Scenario: Rectifying 380–480 VAC three-phase-derived single-phase input in 1–3 kW industrial PSUs. IC Role / Device Role / Timing Role: Primary AC-to-DC conversion stage delivering unregulated DC bus voltage to downstream PFC and DC-DC stages. Use Value: 800 V VRRM and 400 A IFSM ensure reliable operation during line surges and motor-drive regeneration events. | Use Scenario: Converting 230 VAC mains to DC bus in DIN-rail mounted programmable logic controller (PLC) power modules. IC Role / Device Role / Timing Role: Fixed-function bridge rectifier providing isolated, high-current DC output with minimal BOM count and layout area. Use Value: GBPC4008's 1.5°C/W RθJC enables direct heatsink mounting-eliminating need for auxiliary thermal vias or copper pours on PCB. |
| Uninterruptible Power Supplies (UPS) | Motor Drive Auxiliary Power Supplies |
Use Scenario: Charging battery bank and powering control circuitry during utility outage in line-interactive UPS systems. IC Role / Device Role / Timing Role: Bidirectional rectification path supporting both AC charging and DC-AC inverter feedback modes. Use Value: Low 1.1 V VF minimizes conduction loss during extended battery-charging cycles, improving thermal margin and runtime efficiency. | Use Scenario: Generating isolated 24 VDC control rail from main AC input in variable-frequency drives (VFDs). IC Role / Device Role / Timing Role: High-reliability rectification element feeding linear or switching regulators powering gate drivers and microcontrollers. Use Value: UL Recognition and RoHS compliance meet industrial safety and environmental requirements for global deployment. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bridge rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Vishay GBPC408 | Same 40A/800V rating, identical GBPC40 package, but uses epoxy-molded construction without integral heatsink base. | Higher RθJC (~2.0°C/W); requires larger external heatsink for equivalent thermal performance. | Select GBPC4008 when board space is constrained and direct heatsink mounting is preferred. |
| ON Semiconductor GBU4J | Lower 4A/600V rating in GBU package; not a drop-in replacement-requires PCB redesign and derating analysis. | Suitable only for <100W auxiliary supplies; cannot support 40A continuous load. | Choose GBPC4008 for primary rectification in >1 kW systems where current and voltage margins are critical. |
Compared with Vishay GBPC408 and ON Semi GBU4J, GBPC4008 delivers superior thermal performance via its integrally molded heatsink and maintains full 40A/800V capability in the same footprint-making it optimal for space-constrained, high-power industrial rectification where thermal management is decisive.
Availability
GBPC4008 is available at Aetrix Electronics and suitable for industrial switch-mode power supplies, AC-DC front-end converters, and uninterruptible power supply (UPS) systems requiring stable component supply and long-lifecycle availability.
Supply support for GBPC4008 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 power rectifiers, TVS devices, and MOSFETs since 1979.
The GBPC40, 50 Series was designed specifically for high-current, high-voltage AC-DC conversion in industrial-grade power systems-emphasizing thermal robustness, safety certification, and mechanical mounting flexibility.
FAQ
What is the maximum junction temperature rating for GBPC4008?
The GBPC4008 has a maximum junction temperature (TJ) of +150°C and a minimum of –55°C. This wide operating range allows reliable use in environments such as enclosed industrial enclosures or outdoor power equipment. Thermal design must ensure that actual junction temperature stays within this limit under worst-case load and ambient conditions-using the 1.5°C/W RθJC value and measured case temperature.
Does GBPC4008 have UL recognition and what does that cover?
Yes, GBPC4008 is UL Recognized under File # E-326243. This covers flammability (UL 94V-0), dielectric strength, creepage/clearance distances, and construction integrity-validating its suitability for end-equipment requiring safety agency approval. It does not imply system-level certification but confirms component-level compliance per UL 62368-1 and UL 60950-1 requirements.
What is the forward voltage drop specification for GBPC4008 at rated current?
The GBPC4008 specifies a maximum forward voltage (VF) of 1.1 V per diode at 20 A and 25°C junction temperature. Since it is a full-wave bridge, total conduction drop is effectively two diode drops in series-2.2 V max under those test conditions. Actual VF increases with temperature and current, as shown in the typical forward characteristics curve in the datasheet.
Can GBPC4008 be mounted directly to a heatsink, and what is the recommended torque?
Yes, GBPC4008 features an integrally molded heatsink base designed for direct mounting to external heatsinks. The recommended maximum mounting torque is 20 in-lbs (2.26 N·m) to avoid cracking the epoxy body or damaging internal wire bonds. Use thermal interface material between the case and heatsink surface to minimize RθJC and ensure uniform pressure distribution.
How does GBPC4008 differ from GBPC4008M?
The GBPC4008M variant has the cathode terminal oriented parallel to the anode terminal, whereas the standard GBPC4008 (non-M) has orthogonal cathode/anode leads. Both share identical electrical ratings, thermal performance, and package outline dimensions except for terminal orientation-so PCB layout must match the selected variant. Mounting and thermal behavior are otherwise identical.
GBPC4008 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- GBPC40
- Package/Case:
- 4-Square, GBPC
- Packaging:
- Tray
- Product Status:
- Active
- Diode Type:
- Single Phase
- Technology:
- Standard
- Voltage - Peak Reverse (Max):
- 800 V
- Current - Average Rectified (Io):
- 40 A
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 20 A
- Current - Reverse Leakage @ Vr:
- 10 µA @ 800 V
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Chassis Mount
- Supplier Device Package:
- GBPC
GBPC4008 FAQ
1.How can I place an order for GBPC4008 through Aetrix?
Please submit a Request for Quotation (RFQ) for GBPC4008 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 GBPC4008 reliable?
The price and inventory of GBPC4008 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for GBPC4008 is usually 5 days.
3.What payment methods are accepted for GBPC4008?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for GBPC4008 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for GBPC4008?
GBPC4008 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your GBPC4008 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 GBPC4008?
For technical support, including GBPC4008 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your GBPC4008 requirements.
6.How does Aetrix verify that GBPC4008 is sourced from the original manufacturer or authorized distributors?
All GBPC4008 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 GBPC4008 meets industry standards.
7.What is the process for return or replacement of GBPC4008?
All GBPC4008 units undergo pre-shipment inspection (PSI). If there is an issue with GBPC4008, 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 GBPC4008 part is unused and in its original packaging.
Return procedure for GBPC4008:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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