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Diodes Incorporated GBJ1508-F
- Part No.:
- GBJ1508-F
- Manufacturer:
- Diodes Incorporated
- Category:
- Bridge Rectifiers
- Package:
- 4-SIP, GBJ
- Datasheet:
-
GBJ1508-F.pdf
- Description:
- BRIDGE RECT 1PHASE 800V 15A GBJ
- Quantity:
- Payment:
- Shipping:
Inventory:15
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Product details
Overview
GBJ1508-F from Diodes Incorporated is a 15A standard recovery bridge rectifier with 800V maximum repetitive peak reverse voltage (VRRM), 1.05V forward voltage at 7.5A, and 10µA reverse leakage current at 25°C. It features glass-passivated die construction, 1500VRMS case dielectric strength, and is rated for 240A peak surge current - used in AC/DC power supplies for industrial motor drives and HVAC control systems.
For engineers reviewing the GBJ1508-F datasheet, GBJ1508-F pinout, GBJ1508-F application, or GBJ1508-F equivalent, key selection criteria include VRRM margin for line-voltage transients, thermal resistance (0.8°C/W junction-to-case), IFSM capability for inrush handling, and through-hole GBJ package compatibility with PCB heatsinking requirements.
Technical Context
This single-phase full-wave bridge rectifier integrates four silicon diodes in a monolithic GBJ molded plastic package. Its standard recovery characteristic (trr not specified, consistent with non-fast-recovery classification) supports line-frequency (50/60Hz) rectification without commutation-related switching loss concerns.
Designed for mounting via #6 screw to external heatsinks, it delivers 15A average output current at TJ = +150°C when thermally coupled to a 300mm × 300mm × 1.6mm copper plate. Junction capacitance is 60pF at 1MHz and 4V reverse bias, confirming suitability for low-frequency filtering rather than high-speed switching.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 800 V - Withstands peak reverse line voltage up to 800V, suitable for 480VAC three-phase input after derating. |
| IF(AV) | 15 A - Sustained DC output current capability with heatsink at 150°C junction temperature. |
| VF @ 7.5A | 1.05 V - Forward conduction loss per diode leg; total bridge drop ≈ 2.1V at full load. |
| IR @ 25°C | 10 µA - Low reverse leakage ensures minimal standby power loss in off-state. |
| IFSM | 240 A - Handles short-duration inrush surges common during transformer energization or capacitor charging. |
| RθJC | 0.8 °C/W - Enables thermal design with predictable junction temperature rise under defined heatsink conditions. |
| VB | 800 V - Breakdown voltage matches VRRM rating, confirming robust overvoltage blocking integrity. |
Pinout & Package
Package: GBJ - Molded plastic, UL 94V-0 rated, through-hole with #6 screw mounting provision, 6.6g mass, lead-free tin-plated terminals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| ~AC1 | AC Input Terminal 1 | One side of AC input winding; connects to transformer secondary or mains input. |
| ~AC2 | AC Input Terminal 2 | Other side of AC input winding; completes full-wave bridge AC path. |
| +DC | Positive DC Output | Anode of output leg; delivers rectified positive voltage to filter capacitor and load. |
| -DC | Negative DC Output / Common Return | Cathode of output leg; serves as system ground reference and return path. |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die | Enhances long-term reliability and moisture resistance in humid or contaminated environments. |
| 1500VRMS dielectric strength | Ensures safe isolation between AC input and DC output circuits per safety standards. |
| 240A surge rating | Supports repeated cold-start events without degradation in motor drive or UPS applications. |
| UL Recognized (E95060) | Validates compliance with UL/CSA safety requirements for end-equipment certification. |
| RoHS 3 compliant | Meets EU Directive 2015/863/EU with all applicable exemptions applied. |
Applications
| Industrial Motor Drives | HVAC Control Systems |
|---|---|
Use Scenario: Rectifying 3-phase 400VAC line input to DC bus for variable frequency drives. IC Role / Device Role / Timing Role: Full-wave bridge rectifier converting AC line to unregulated DC for subsequent IGBT inverter stage. Use Value: 800V VRRM provides 2× margin over peak line voltage (≈565V), reducing risk of catastrophic failure during transients. | Use Scenario: Converting 230VAC mains to DC for fan speed controllers and compressor logic boards. IC Role / Device Role / Timing Role: Primary AC/DC conversion element feeding bulk capacitor and downstream SMPS. Use Value: 15A IF(AV) and 240A IFSM support high-inrush loads like PSC motors and relay coils without thermal stress. |
| Commercial Power Supplies | Industrial PLC Power Modules |
Use Scenario: Front-end rectification in DIN-rail mounted 24V/48V DC power supplies for factory automation. IC Role / Device Role / Timing Role: Line-frequency rectifier delivering stable DC input to isolated DC/DC converters. Use Value: UL Recognition and 1500VRMS isolation enable direct integration into certified industrial power systems. | Use Scenario: Embedded power conversion in programmable logic controller backplanes requiring ruggedized components. IC Role / Device Role / Timing Role: Main rectifier supplying DC rail to CPU, I/O, and communication modules. Use Value: Through-hole GBJ package with screw-mounting enables mechanical stability and repeatable thermal interface in vibration-prone cabinets. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bridge rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| GBU8K (ON Semiconductor) | Same 800V VRRM and 8A IF(AV); smaller GBU package, higher VF (1.1V), no screw mount. | Limited to lower-current designs; unsuitable where 15A sustained load or mechanical mounting is required. | Select only if board space is constrained and thermal load ≤8A with adequate airflow. |
| KBP308G (Taiwan Semiconductor) | 800V VRRM, 3A IF(AV), KBP package, 1.1V VF, 50µA IR at 25°C. | Not scalable to 15A loads; higher leakage reduces efficiency in low-power standby modes. | Use only in cost-sensitive, low-power auxiliary supplies - not for main DC bus generation. |
Compared with GBU8K and KBP308G, GBJ1508-F uniquely supports 15A continuous operation with screw-mount mechanical stability and 10µA leakage, making it irreplaceable in high-reliability industrial rectification where current, thermal, and mounting integrity are jointly critical.
Availability
GBJ1508-F is available at Aetrix Electronics and suitable for industrial motor drives, HVAC control systems, and commercial power supplies requiring stable component supply across multi-year production cycles.
Supply support for GBJ1508-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 specifically for robust, high-current AC/DC conversion in industrial and infrastructure equipment where reliability under thermal and surge stress is mandatory.
FAQ
What is the maximum operating junction temperature for GBJ1508-F?
The GBJ1508-F has a specified operating junction temperature range of –55°C to +150°C. At +150°C, it delivers its full 15A average rectified current rating when mounted on a 300mm × 300mm × 1.6mm copper heatsink. Exceeding this temperature risks permanent parametric shift or thermal runaway.
Can GBJ1508-F be used in surface-mount designs?
No - GBJ1508-F uses a through-hole GBJ package with screw-mount provisions and is not designed for SMT reflow or wave soldering. Its mechanical structure, terminal geometry, and thermal path require physical screw attachment to an external heatsink, making it incompatible with standard SMT assembly processes.
Is GBJ1508-F qualified for automotive applications?
GBJ1508-F is not AEC-Q101 qualified. While Diodes offers automotive-grade variants in other families, this part is intended for industrial and commercial use. For automotive applications, contact Diodes directly to explore PPAP-capable, IATF 16949-manufactured alternatives with AEC-Q101 validation.
What is the meaning of the 'F' suffix in GBJ1508-F?
The 'F' suffix denotes RoHS-compliant, lead-free finish with tin plating per Diodes' standard packaging nomenclature. It confirms compliance with EU RoHS Directives 2002/95/EC, 2011/65/EU, and 2015/863/EU, including all applicable exemptions, and aligns with Diodes' green manufacturing definitions.
GBJ1508-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):
- 15 A
- Voltage - Forward (Vf) (Max) @ If:
- 1.05 V @ 7.5 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
GBJ1508-F FAQ
1.How can I place an order for GBJ1508-F through Aetrix?
Please submit a Request for Quotation (RFQ) for GBJ1508-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 GBJ1508-F reliable?
The price and inventory of GBJ1508-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for GBJ1508-F is usually 5 days.
3.What payment methods are accepted for GBJ1508-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for GBJ1508-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for GBJ1508-F?
GBJ1508-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your GBJ1508-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 GBJ1508-F?
For technical support, including GBJ1508-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your GBJ1508-F requirements.
6.How does Aetrix verify that GBJ1508-F is sourced from the original manufacturer or authorized distributors?
All GBJ1508-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 GBJ1508-F meets industry standards.
7.What is the process for return or replacement of GBJ1508-F?
All GBJ1508-F units undergo pre-shipment inspection (PSI). If there is an issue with GBJ1508-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 GBJ1508-F part is unused and in its original packaging.
Return procedure for GBJ1508-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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