SMC Diode Solutions GBJ25005
- Part No.:
- GBJ25005
- Manufacturer:
- SMC Diode Solutions
- Category:
- Bridge Rectifiers
- Package:
- 4-ESIP
- Datasheet:
-
GBJ25005.pdf
- Description:
- BRIDGE RECT 1PHASE 50V 25A GBJ
- Quantity:
- Payment:

- Shipping:

Inventory:3,150
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Product details
Overview
GBJ25005 from Diodes Incorporated is a 25A standard recovery bridge rectifier in GBJ package, rated for 50V peak repetitive reverse voltage, 1.05V max forward voltage at 12.5A, and 10µA max reverse leakage at 25°C. It delivers 350A surge capability and is designed for AC/DC power conversion in industrial power supplies and motor drive front-ends.
For engineers reviewing the GBJ25005 datasheet, GBJ25005 pinout, GBJ25005 application, or GBJ25005 equivalent, key selection criteria include VRRM rating, thermal resistance (1.0°C/W junction-to-case), IFSM surge robustness, and UL recognition for safety-critical PCB-mounted rectification.
Technical Context
This single-phase full-wave bridge rectifier integrates four standard recovery diodes in a monolithic molded plastic GBJ package with through-hole mounting. Its glass-passivated die construction ensures stable reverse blocking and low IR drift over temperature.
The device operates across -55°C to +150°C junction range and achieves 2500VRMS dielectric strength between case and terminals. Thermal performance is specified with a 250mm × 250mm × 20mm aluminum heatsink, enabling sustained 25A average output current under controlled thermal conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 50 V - Maximum repetitive reverse voltage the bridge can block without breakdown |
| IF(AV) | 25 A - Average rectified output current with heatsink at TJ = +150°C |
| VF Max | 1.05 V @ 12.5A - Forward voltage drop per diode leg, defining conduction loss at rated half-current |
| IR Max | 10 µA @ 25°C - Reverse leakage current per diode, critical for low-power standby efficiency |
| IFSM | 350 A - Peak non-repetitive surge current handling for line transients and inrush |
| RθJC | 1.0 °C/W - Junction-to-case thermal resistance, enabling heatsink sizing for thermal management |
| VB | 50 V - DC blocking voltage, matching VRRM for reliable steady-state operation |
Pinout & Package
Package: GBJ - Molded plastic, UL 94V-0 rated, through-hole mountable with #6 screw hole; dimensions: 30.0mm × 20.0mm × 17.5mm (L×W×H); weight ≈6.6g; lead-free tin-plated terminals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AC1 | Input AC Terminal 1 | One of two alternating current input nodes; connects to transformer secondary or AC line |
| AC2 | Input AC Terminal 2 | Second AC input node; completes full-wave bridge input path |
| + (Anode Common) | Positive DC Output | Full-wave rectified positive output node; feeds downstream filter capacitor or regulator |
| - (Cathode Common) | Negative DC Output | Full-wave rectified negative/return node; serves as system ground reference point |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die | Enhances long-term reliability and reduces parameter drift under thermal cycling and humidity stress |
| 2500VRMS dielectric strength | Meets reinforced insulation requirements for Class I and II AC/DC power supplies per IEC 62368-1 |
| 350A surge rating (8.3ms) | Withstands high-energy line surges and motor startup currents without failure |
| UL Recognized (E95060) | Validates compliance with UL 62368-1 and UL 60747-4 for end-equipment safety certification |
| RoHS 3 compliant / Lead-free | Meets EU Directive 2015/863/EU with full exemption documentation and traceable material declarations |
Applications
| Industrial Power Supplies | Motor Drive Front-Ends |
|---|---|
Use Scenario: AC/DC conversion stage in DIN-rail mounted 24V/48V industrial PSUs delivering up to 600W. IC Role / Device Role / Timing Role: Full-wave bridge rectifier converting 100–240VAC input to unregulated DC bus. Use Value: 25A IF(AV) and 350A IFSM ensure robust operation during brownouts and load surges without derating. | Use Scenario: Rectification of single-phase AC supply feeding H-bridge inverter for 1/2 HP AC induction motors. IC Role / Device Role / Timing Role: Input-stage bridge providing DC link voltage to inverter stage. Use Value: 1.0°C/W RθJC enables direct bolt-down heatsinking for continuous 20A RMS motor current handling. |
| LED Driver Power Stages | Appliance Control Boards |
Use Scenario: Primary rectification in constant-current LED drivers for commercial lighting (e.g., streetlights, high-bay fixtures). IC Role / Device Role / Timing Role: High-efficiency AC input rectifier preceding PFC and DC/DC stages. Use Value: Low 10µA IR at 25°C minimizes no-load power loss, supporting Energy Star Tier 2 standby requirements. | Use Scenario: Mains-powered control board in washing machines, HVAC controllers, and smart home hubs. IC Role / Device Role / Timing Role: Isolated AC input rectifier feeding auxiliary 5V/12V SMPS for MCU and sensor subsystems. Use Value: UL E95060 recognition simplifies end-product safety approval and reduces certification cycle time. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bridge rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| GBU25J (ON Semiconductor) | Same GBU package; 50V VRRM, 25A IF(AV), but VF = 1.1V @ 12.5A and RθJC = 1.5°C/W | Higher conduction loss and reduced thermal margin; requires larger heatsink for same current | Select when GBU footprint compatibility is mandatory and thermal headroom exceeds 10°C |
| KBP2505 (Comchip) | KBPC package; 50V VRRM, 25A IF(AV), VF = 1.05V, but IR = 50µA @ 25°C and no UL recognition | Higher leakage limits use in low-standby systems; lacks safety certification for mains-connected designs | Select only for cost-sensitive, non-safety-certified internal subsystems with tight space constraints |
Compared with GBU25J and KBP2505, GBJ25005 offers superior thermal resistance (1.0 vs. 1.5/-°C/W), lower leakage (10 vs. -/50µA), and UL recognition-making it optimal for certified, thermally constrained, and low-standby industrial power designs.
Availability
GBJ25005 is available at Aetrix Electronics and suitable for industrial power supplies, motor drive front-ends, and appliance control boards requiring stable component supply, long-lifecycle support, and RoHS-compliant manufacturing.
Supply support for GBJ25005 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 North America.
The GBJ series belongs to Diodes' standard recovery bridge rectifier product line, engineered for high-current, cost-sensitive AC/DC conversion in industrial, appliance, and lighting applications where reliability and safety certification are essential.
FAQ
What is the maximum operating temperature for GBJ25005?
The GBJ25005 has a specified junction temperature range of -55°C to +150°C. Its 25A average current rating assumes operation at TJ = +150°C with proper heatsinking per the datasheet's 250mm × 250mm × 20mm aluminum plate condition. Exceeding this junction temperature risks parametric shift and accelerated failure.
Is GBJ25005 suitable for automotive applications?
GBJ25005 is not AEC-Q101 qualified and is not intended for automotive use. Diodes states that automotive-grade variants require specific change control, PPAP capability, and IATF 16949 manufacturing-none of which apply to this standard-recovery part. Use only in industrial, commercial, or consumer equipment unless explicitly requalified.
How does the GBJ package differ from KBPC or GBU packages?
The GBJ package features a rectangular body with integrated #6 screw mounting hole and larger heatsink contact area (30.0 × 20.0 mm), whereas KBPC uses a smaller square outline and GBU omits the mounting hole. GBJ's 1.0°C/W RθJC reflects its optimized thermal path, outperforming typical GBU (1.5°C/W) and KBPC (1.8°C/W) equivalents under identical heatsink conditions.
Does GBJ25005 require derating at elevated ambient temperatures?
Yes. The 25A IF(AV) rating applies only with heatsinking at TA ≤ +40°C and TJ ≤ +150°C. At 70°C ambient, the current must be reduced to ~18A using the RθJC = 1.0°C/W and RθCA values from the thermal model. Derating curves are provided in Figure 1 of DS21221 Rev.11.
GBJ25005 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- SMC Diode Solutions
- Series:
- -
- Package/Case:
- 4-ESIP
- Packaging:
- Tube
- Product Status:
- Active
- Diode Type:
- Single Phase
- Technology:
- Standard
- Voltage - Peak Reverse (Max):
- 50 V
- Current - Average Rectified (Io):
- 25 A
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 12.5 A
- Current - Reverse Leakage @ Vr:
- 10 µA @ 50 V
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- GBJ
GBJ25005 FAQ
1.How can I place an order for GBJ25005 through Aetrix?
Please submit a Request for Quotation (RFQ) for GBJ25005 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 GBJ25005 reliable?
The price and inventory of GBJ25005 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for GBJ25005 is usually 5 days.
3.What payment methods are accepted for GBJ25005?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for GBJ25005 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for GBJ25005?
GBJ25005 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your GBJ25005 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 GBJ25005?
For technical support, including GBJ25005 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your GBJ25005 requirements.
6.How does Aetrix verify that GBJ25005 is sourced from the original manufacturer or authorized distributors?
All GBJ25005 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 GBJ25005 meets industry standards.
7.What is the process for return or replacement of GBJ25005?
All GBJ25005 units undergo pre-shipment inspection (PSI). If there is an issue with GBJ25005, 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 GBJ25005 part is unused and in its original packaging.
Return procedure for GBJ25005:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
GBJ25005 Tags

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DF01M
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