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Diodes Incorporated GBJ2508-F
- Part No.:
- GBJ2508-F
- Manufacturer:
- Diodes Incorporated
- Category:
- Bridge Rectifiers
- Package:
- 4-SIP, GBJ
- Datasheet:
-
GBJ2508-F.pdf
- Description:
- BRIDGE RECT 1PHASE 800V 25A GBJ
- Quantity:
- Payment:
- Shipping:
Inventory:3,490
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Product details
Overview
GBJ2508-F from Diodes Incorporated is a 25A standard recovery bridge rectifier in GBJ package, rated for 800V peak repetitive reverse voltage (VRRM), 1.05V max forward voltage at 12.5A, and 350A peak surge current. It features glass-passivated die construction, 2500VRMS case dielectric strength, and is designed for AC/DC power conversion in industrial power supplies and motor drive front-ends.
For engineers reviewing the GBJ2508-F datasheet, GBJ2508-F pinout, GBJ2508-F application, or GBJ2508-F equivalent, key selection criteria include VRRM margin for line-voltage transients, thermal resistance (1.0°C/W junction-to-case), IR leakage at 125°C (500µA), and through-hole mounting compatibility with #6 screw hardware.
Technical Context
This single-phase full-wave bridge rectifier integrates four silicon diodes in a common cathode/anode configuration to convert AC input into unidirectional DC output. Its standard recovery characteristic (trr not specified, consistent with non-fast-recovery classification) suits line-frequency (50/60Hz) applications where switching loss is secondary to conduction efficiency and surge robustness.
The device operates across -55°C to +150°C junction temperature range and delivers 25A average rectified current when mounted on a 250mm × 250mm × 20mm aluminum heatsink. Its molded plastic GBJ package provides UL 94V-0 flammability rating and lead-free (tin-finish) solderable terminals compliant with MIL-STD-202, Method 208.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 800 V - Withstands peak reverse line transients up to 800V without breakdown |
| IF(AV) | 25 A - Sustains continuous DC output current of 25A with proper heatsinking |
| VF Max | 1.05 V @ 12.5A - Limits conduction loss to ≤13.1W per half-cycle at rated current |
| IFSM | 350 A - Survives 8.3ms half-sine surge events such as inrush or fault currents |
| IR Max | 500 µA @ TJ = +125°C - Ensures minimal reverse power loss under elevated ambient conditions |
| RθJC | 1.0 °C/W - Enables thermal design with predictable junction temperature rise above heatsink |
| VB | 800 V - Confirmed breakdown voltage at 10µA test current, matching VRRM rating |
Pinout & Package
Package: GBJ - Molded plastic, through-hole, 4-terminal single-in-line (SIP) bridge configuration with polarity marking on body. Mounting via #6 screw with maximum torque of 5.0 in-lbs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AC1 | Input AC Terminal 1 | One AC input node; connected internally to anode of D1 and cathode of D2 |
| AC2 | Input AC Terminal 2 | Second AC input node; connected internally to cathode of D1 and anode of D2 |
| + (Anode) | DC Positive Output | Common cathode connection of D1 and D2; delivers rectified positive output |
| – (Cathode) | DC Negative Output | Common anode connection of D3 and D4; serves as rectified negative return path |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die | Enhances long-term reliability and moisture resistance vs. epoxy-passivated alternatives |
| 2500VRMS dielectric strength | Validated isolation between case and internal die, supporting reinforced insulation requirements |
| UL Recognized (E95060) | Meets safety standards for end-equipment certification in North America |
| RoHS 3 & Halogen-free | Complies with EU Directive 2015/863/EU and Diodes' green material definitions |
| 350A IFSM rating | Supports high-energy inrush limiting without external fusing in many 25A designs |
Applications
| Industrial Power Supply Input Stage | Motor Drive Front-End Rectification |
|---|---|
Use Scenario: AC mains input rectification in 2–5kW industrial SMPS units operating at 50/60Hz. IC Role / Device Role / Timing Role: Full-wave bridge rectifier converting 380VAC three-phase (via center-tap or two-phase feed) or 230VAC single-phase to bulk DC. Use Value: 25A IF(AV) and 350A IFSM enable direct rectification without parallel devices; 1.0°C/W RθJC simplifies heatsink sizing. | Use Scenario: DC bus generation for 3-phase inverter stages in HVAC compressors and pump drives. IC Role / Device Role / Timing Role: Uncontrolled rectifier supplying stable DC link voltage prior to IGBT switching. Use Value: 800V VRRM provides 2× margin over 400VAC line peaks; low IR at 125°C maintains efficiency during sustained overload. |
| Uninterruptible Power Supply (UPS) Charger Input | Welding Equipment Primary Rectification |
Use Scenario: Battery charger input stage in online double-conversion UPS systems with active PFC bypass. IC Role / Device Role / Timing Role: Main AC-to-DC conversion element feeding bulk capacitor bank and downstream DC/DC stages. Use Value: UL recognition supports system-level safety certification; 2500VRMS isolation meets creepage/clearance requirements. | Use Scenario: High-current primary-side rectification in transformer-based arc welding power sources. IC Role / Device Role / Timing Role: Heavy-duty bridge handling intermittent 100–200A surges during weld initiation. Use Value: 350A IFSM and 510A²s I²t rating tolerate repeated short-duration overloads without degradation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bridge rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Vishay GBU8K | Same 800V VRRM, 25A IF(AV), but TO-220AC package (2-pin) requiring external bridge layout | Requires PCB real estate for discrete diode placement and interconnect; no integrated 4-terminal SIP form factor | Select when thermal interface flexibility or legacy TO-220 footprint is required |
| ON Semiconductor GBPC2508 | Identical ratings and GBJ package, but higher typical VF (1.1V) and 1000µA IR at 125°C | Slightly higher conduction loss and leakage in high-temp environments | Acceptable drop-in where cost sensitivity outweighs 50mV VF and 500µA IR advantages |
Compared with GBU8K, GBJ2508-F saves board space and assembly steps via integrated bridge topology; versus GBPC2508, it delivers lower conduction loss and tighter leakage control-critical for thermally constrained or energy-efficient designs.
Availability
GBJ2508-F is available at Aetrix Electronics and suitable for industrial power supplies, motor drive front-ends, and uninterruptible power supply (UPS) charger inputs requiring stable component supply and long-term manufacturing continuity.
Supply support for GBJ2508-F 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' standard recovery bridge rectifier product line, engineered for high-current, line-frequency AC/DC conversion in cost-sensitive, reliability-critical industrial and infrastructure equipment.
FAQ
What is the maximum heatsink temperature allowed for continuous 25A operation?
At 25A IF(AV), junction temperature must remain ≤+150°C. With RθJC = 1.0°C/W and typical RθCS + RθSA ≈ 0.5°C/W, the heatsink baseplate must be held at ≤+125°C under worst-case ambient and airflow conditions. Derating is required above TA = +40°C per the datasheet derating curve.
Does GBJ2508-F support lead-free reflow soldering?
Yes-its tin-finish leads comply with J-STD-020D moisture sensitivity level (MSL) 1 and withstand peak reflow temperatures up to 260°C for 10 seconds. Pre-baking is not required, but board-level thermal profiling must avoid exceeding 260°C at the lead-to-PCB interface.
Can GBJ2508-F replace GBJ2510-F in a 1000V design?
No-GBJ2508-F has 800V VRRM and is not rated for 1000V applications. Substituting it for GBJ2510-F risks reverse breakdown during line surges or transient events. The 200V VRRM gap represents a hard electrical limit, not a design margin.
Is the GBJ2508-F qualified to AEC-Q101 for automotive use?
No-the datasheet explicitly states that automotive qualification (AEC-Q100/101/104/200) requires special change control and PPAP capability, which must be requested separately. Standard GBJ2508-F is intended for industrial, commercial, and computing applications only.
GBJ2508-F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 4-SIP, GBJ
- Packaging:
- Tube
- 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:
- 1.05 V @ 12.5 A
- Current - Reverse Leakage @ Vr:
- 10 µA @ 800 V
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- GBJ
GBJ2508-F FAQ
1.How can I place an order for GBJ2508-F through Aetrix?
Please submit a Request for Quotation (RFQ) for GBJ2508-F 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 GBJ2508-F reliable?
The price and inventory of GBJ2508-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for GBJ2508-F is usually 5 days.
3.What payment methods are accepted for GBJ2508-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for GBJ2508-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for GBJ2508-F?
GBJ2508-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your GBJ2508-F 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 GBJ2508-F?
For technical support, including GBJ2508-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your GBJ2508-F requirements.
6.How does Aetrix verify that GBJ2508-F is sourced from the original manufacturer or authorized distributors?
All GBJ2508-F 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 GBJ2508-F meets industry standards.
7.What is the process for return or replacement of GBJ2508-F?
All GBJ2508-F units undergo pre-shipment inspection (PSI). If there is an issue with GBJ2508-F, 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 GBJ2508-F part is unused and in its original packaging.
Return procedure for GBJ2508-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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