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Diodes Incorporated GBJ25L08
- Part No.:
- GBJ25L08
- Manufacturer:
- Diodes Incorporated
- Category:
- Bridge Rectifiers
- Package:
- 4-SIP, GBJ
- Datasheet:
-
GBJ25L08.pdf
- Description:
- BRIDGE RECT 1PHASE 800V 25A GBJ
- Quantity:
- Payment:
- Shipping:
Inventory:6,525
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Product details
Overview
GBJ25L08 from Diodes Incorporated is a 25A, 800V glass-passivated single-phase bridge rectifier with low forward voltage (0.9 V max at 12.5 A), 10 µA max reverse leakage at 800 V, and 320 A peak surge current capability. It is used in AC/DC power supplies for industrial motor drives, UPS systems, and welding equipment where high reliability and thermal robustness are required.
For engineers reviewing the GBJ25L08 datasheet, GBJ25L08 pinout, GBJ25L08 application, or GBJ25L08 equivalent, key selection criteria include its 800 V repetitive peak reverse voltage, 25 A average forward current rating at 25°C, low VF for reduced conduction loss, UL recognition (E95060), and compatibility with standard PCB mounting and heatsink interfaces.
Technical Context
The GBJ25L08 integrates four silicon diodes in a single-phase full-wave bridge configuration with glass-passivated junctions for enhanced moisture and contamination resistance. Its thermal design supports operation from –40°C to +150°C junction temperature, with RθJC = 0.8°C/W when mounted on a specified fin-type heatsink.
It delivers stable rectification under high-surge conditions (320 A, 8.3 ms half-sine) and exhibits low junction capacitance (250 pF at 4 V, 1 MHz), minimizing switching noise in line-frequency applications. The device is RoHS-compliant, halogen- and antimony-free, and rated for automotive-grade change control upon request.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 800 V - Withstands up to 800 V repetitive reverse voltage without breakdown, suitable for 400 VAC input systems with safety margin. |
| IF(AV) | 25 A - Sustains 25 A average forward current at 25°C case temperature; derates to ~12 A at 100°C case per Figure 1. |
| VF Max | 0.9 V @ 12.5 A - Low conduction loss reduces heat generation and improves efficiency in high-current linear rectification. |
| IR Max | 10 µA @ 800 V - Minimal reverse leakage ensures stable DC output under high-voltage hold-off conditions. |
| IFSM | 320 A - Handles short-duration inrush/surge currents common during power-up or fault events in industrial power supplies. |
| RθJC | 0.8 °C/W - Enables effective thermal transfer to heatsink, supporting continuous 25 A operation with proper thermal management. |
Pinout & Package
Package: GBJ - 4-terminal, single-in-line (SIL) plastic package with matte tin-plated leads, UL 94V-0 rated, weight ≈6.6 g. Dimensions: 30.0 mm × 20.0 mm × 17.5 mm (L×W×H), with polarity symbol molded on body.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AC1 | Input AC Terminal 1 | One of two AC input nodes; connects to live/phase side of transformer secondary or AC line. |
| AC2 | Input AC Terminal 2 | Second AC input node; completes full-wave bridge input path with AC1. |
| + (Anode Output) | Positive DC Output | Full-wave rectified positive output terminal; connects to bulk capacitor or downstream DC bus. |
| – (Cathode Output) | Negative DC Output | Full-wave rectified negative output terminal; serves as system ground or return path. |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated die construction | Improves long-term reliability and humidity resistance versus epoxy-passivated alternatives, critical for industrial environments. |
| Low VF (0.9 V max @ 12.5 A) | Reduces power dissipation by ~20% vs. typical 1.1 V bridges at same current, lowering heatsink requirements. |
| UL Recognized (File # E95060) | Validates safety compliance for end-equipment certification in North America without additional component-level testing. |
| Lead-free & "Green" (Halogen/Antimony-free) | Meets RoHS 3 and automotive environmental standards; Br+Cl <1500 ppm, Sb <1000 ppm. |
Applications
| Industrial Motor Drives | Uninterruptible Power Supplies (UPS) |
|---|---|
Use Scenario: Converts 3-phase or single-phase AC mains to DC bus for IGBT inverter stages in variable-frequency drives. IC Role / Device Role / Timing Role: Primary AC/DC rectification stage; handles continuous 20–25 A load with high surge tolerance during motor startup. Use Value: Low VF minimizes conduction loss in high-duty-cycle operation; 320 A IFSM withstands inrush from large DC-link capacitors. | Use Scenario: Rectifies utility AC input during normal operation and battery-charger input during backup mode. IC Role / Device Role / Timing Role: Front-end bridge rectifier feeding boost PFC and battery charging circuits. Use Value: 800 V VRRM provides margin against line surges; UL recognition simplifies end-product safety certification. |
| Welding Equipment Power Supplies | Industrial HVAC Control Systems |
Use Scenario: Provides high-current DC for thyristor-controlled or inverter-based arc welding power sources. IC Role / Device Role / Timing Role: High-reliability main rectifier handling intermittent 25 A loads with repeated 300+ A surge pulses. Use Value: Glass passivation prevents degradation under high-humidity, high-temperature workshop conditions. | Use Scenario: Powers control logic, fans, and valve actuators in commercial rooftop HVAC units. IC Role / Device Role / Timing Role: Input-stage rectifier for 24–48 VDC auxiliary power supply derived from 120/240 VAC mains. Use Value: Compact GBJ package fits constrained PCB space; RoHS/Green compliance meets building automation environmental mandates. |
Availability
GBJ25L08 is available at Aetrix Electronics and suitable for industrial motor drives, uninterruptible power supplies, welding equipment, and HVAC control systems requiring stable component supply, long-lifecycle support, and traceable sourcing.
Supply support for GBJ25L08 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 GBJ series belongs to Diodes' high-current bridge rectifier product line, engineered for rugged AC/DC conversion in industrial, automotive, and energy infrastructure applications where thermal stability and surge resilience are critical.
FAQ
What is the maximum operating junction temperature for GBJ25L08?
The GBJ25L08 has a specified operating junction temperature range of –40°C to +150°C. This allows reliable operation in high-ambient environments such as enclosed motor drive cabinets or welding power supplies, provided thermal resistance to heatsink (RθJC = 0.8°C/W) and ambient conditions remain within derating curves (Figures 1–2).
Is GBJ25L08 suitable for surface-mount assembly?
No - the GBJ25L08 uses a through-hole GBJ package with four axial leads designed for wave soldering or hand-soldering onto PCBs. It is not a surface-mount device; its mechanical outline and lead spacing (see datasheet page 4) require plated-through holes and adequate pad clearance for thermal relief.
Does GBJ25L08 meet AEC-Q101 for automotive use?
GBJ25L08 is not pre-qualified to AEC-Q101. However, Diodes Incorporated states that automotive-grade versions with AEC-Q101 qualification, PPAP capability, and IATF 16949 manufacturing are available upon request - contact Diodes or an authorized representative for qualified part numbers and change-control documentation.
How does the GBJ25L08 compare thermally with and without a heatsink?
Without a heatsink, RθJA is 23.2°C/W, limiting continuous current to ~5 A at 25°C ambient. With the specified 170 mm × 170 mm × 45 mm fin-type heatsink, RθJA drops to 3.5°C/W, enabling full 25 A operation at ≤75°C ambient - a >4× improvement in thermal performance essential for industrial power density.
GBJ25L08 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 4-SIP, GBJ
- Packaging:
- Bulk
- Product Status:
- Active
- Diode Type:
- Single Phase
- Technology:
- Standard
- Voltage - Peak Reverse (Max):
- 800 V
- Current - Average Rectified (Io):
- 25 A
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 12.5 A
- Current - Reverse Leakage @ Vr:
- 10 µA @ 800 V
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- GBJ
GBJ25L08 FAQ
1.How can I place an order for GBJ25L08 through Aetrix?
Please submit a Request for Quotation (RFQ) for GBJ25L08 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 GBJ25L08 reliable?
The price and inventory of GBJ25L08 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for GBJ25L08 is usually 5 days.
3.What payment methods are accepted for GBJ25L08?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for GBJ25L08 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for GBJ25L08?
GBJ25L08 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your GBJ25L08 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 GBJ25L08?
For technical support, including GBJ25L08 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your GBJ25L08 requirements.
6.How does Aetrix verify that GBJ25L08 is sourced from the original manufacturer or authorized distributors?
All GBJ25L08 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 GBJ25L08 meets industry standards.
7.What is the process for return or replacement of GBJ25L08?
All GBJ25L08 units undergo pre-shipment inspection (PSI). If there is an issue with GBJ25L08, 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 GBJ25L08 part is unused and in its original packaging.
Return procedure for GBJ25L08:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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