Diodes Incorporated GBP306
- Part No.:
- GBP306
- Manufacturer:
- Diodes Incorporated
- Category:
- Bridge Rectifiers
- Package:
- 4-SIP, GBP
- Datasheet:
-
GBP306.pdf
- Description:
- BRIDGE RECT 1PHASE 600V 3A GBP
- Quantity:
- Payment:

- Shipping:

Inventory:14
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Product details
Overview
GBP306 from Diodes Incorporated is a 3A standard recovery bridge rectifier with 600V peak repetitive reverse voltage (VRRM), 1.05V max forward voltage at 1.5A, and 5µA max reverse leakage at 25°C. It features glass-passivated die construction, UL 94V-0 plastic package, and is rated for operation from –55°C to +150°C junction temperature - commonly used in AC/DC power supplies for industrial control panels and offline switch-mode power adapters.
For engineers reviewing the GBP306 datasheet, GBP306 pinout, GBP306 application, or GBP306 equivalent, key selection criteria include its 600V VRRM rating, thermal resistance (RthJC = 9°C/W), surge current capability (90A IFSM @ 8.3ms), and compatibility with PCB-mounting in high-reliability, non-isolated rectification stages.
Technical Context
This device integrates four silicon diodes in a single-phase full-wave bridge configuration, enabling AC-to-DC conversion without external interconnection. Its standard recovery characteristic (trr not specified but implied by "standard recovery" classification) supports line-frequency (50/60Hz) and low-frequency switching applications up to ~1kHz.
The GBP306 uses molded plastic encapsulation with matte tin-plated leads compliant with MIL-STD-202 Method 208, and its thermal design relies on case-to-heatsink conduction (RthJC = 9°C/W) - requiring external heatsinking for sustained 3A average current at elevated ambient temperatures.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 600 V - Maximum repetitive reverse voltage the bridge can block without breakdown; defines safe AC input voltage limit (e.g., ≤424V RMS). |
| IF(AV) | 3.0 A @ TC = +100°C with heatsink - Continuous DC output current capability when mounted on a 30mm × 30mm × 1mm Cu heatsink. |
| VF Max | 1.05 V @ IF = 1.5A, TJ = +25°C - Forward voltage drop per diode pair; determines conduction loss (~3.15W total at 3A full-wave). |
| IR Max | 5 µA @ VR = 600V, TJ = +25°C - Reverse leakage current; critical for low-power standby efficiency and high-impedance bias networks. |
| IFSM | 90 A @ 8.3ms half-sine, TJ = +25°C - Non-repetitive surge rating; withstands inrush currents from transformer-coupled or capacitive-input supplies. |
| RthJC | 9 °C/W - Junction-to-case thermal resistance; enables thermal modeling when heatsink interface resistance is known. |
Pinout & Package
Package: GBP - 4-terminal molded plastic bridge rectifier with body polarity indicator (AC1, AC2, +, – terminals). Dimensions: 14.5 × 10.4 × 3.1 mm (L × W × H), weight ≈1.33 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AC1 | AC Input Terminal 1 | One leg of AC input; connects to primary winding or mains phase in single-phase bridge configuration. |
| AC2 | AC Input Terminal 2 | Second leg of AC input; completes full-wave rectification path with AC1. |
| + | Positive DC Output | Anode of internal upper diodes; delivers rectified positive voltage to filter capacitor or load. |
| – | Negative DC Output / Common Return | Cathode of internal lower diodes; serves as circuit ground reference and return path for DC load current. |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die | Enhances long-term reliability and moisture resistance vs. epoxy-passivated alternatives; improves stability under thermal cycling. |
| UL 94V-0 flammability rating | Meets safety standards for flame propagation in end equipment enclosures; required for industrial and medical power supplies. |
| Lead-free & halogen-free | Complies with RoHS 3 (2015/863/EU) and Diodes' "Green" definition (<900ppm Br/Cl, <1000ppm Sb); supports eco-design compliance. |
| MIL-STD-202 solderable leads | Ensures robust wetting and joint integrity during wave or reflow soldering; reduces risk of cold solder joints in high-volume PCB assembly. |
Applications
| Industrial AC/DC Power Supplies | LED Driver Input Stage |
|---|---|
Use Scenario: Rectifying 230VAC mains input in DIN-rail mounted programmable logic controller (PLC) power modules. IC Role / Device Role / Timing Role: Full-wave bridge rectifier converting AC line to unregulated DC bus prior to buck or flyback regulation. Use Value: 600V VRRM provides 30% margin over 230VAC peak (325V), while 3A IF(AV) supports >60W output with adequate heatsinking. | Use Scenario: Input-stage rectification in constant-current LED drivers for street lighting operating from 120/277VAC. IC Role / Device Role / Timing Role: Unidirectional current path generator feeding bulk capacitor and downstream DC-DC converter. Use Value: Low VF (1.05V) minimizes conduction loss in high-duty-cycle operation; glass passivation ensures longevity in thermally stressed outdoor environments. |
| Appliance Control Board Power | Offline SMPS Auxiliary Supply |
Use Scenario: Mains-powered control board in HVAC systems where space-constrained PCB layout requires compact, through-hole rectifiers. IC Role / Device Role / Timing Role: Primary AC-to-DC conversion element delivering low-noise DC for microcontroller, relay drivers, and sensor interfaces. Use Value: GBP package footprint (14.5 × 10.4 mm) fits standard through-hole spacing; UL recognition simplifies end-equipment safety certification. | Use Scenario: Auxiliary bias supply in 65W laptop adapter, powering PWM controller IC before main regulation loop starts. IC Role / Device Role / Timing Role: Standby rectifier providing VCC to controller during no-load or light-load conditions. Use Value: 5µA IR at 25°C limits no-load power draw; 90A IFSM handles startup surges from large X-capacitors 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 |
|---|---|---|---|
| GBU6K (ON Semiconductor) | Same GBP package, 600V VRRM, 6A IF(AV), higher VF (1.1V), RthJC = 10°C/W | Higher current rating suits designs needing headroom; slightly higher conduction loss | Select when future-proofing for 5–6A loads or when derating margin is prioritized over minimal VF. |
| W04G (Vishay) | Same GBP package, 400V VRRM, 4A IF(AV), VF = 1.05V, RthJC = 9°C/W | Limited to ≤283VAC RMS; unsuitable for 230VAC global designs without redesign | Choose only for cost-sensitive 115VAC-only applications where 400V blocking suffices and 600V margin is unnecessary. |
Compared with GBU6K and W04G, GBP306 offers optimal balance of 600V blocking, 3A rating, and low VF for mainstream 230VAC industrial and appliance power supplies - avoiding overdesign penalty while ensuring safety margin and thermal manageability.
Availability
GBP306 is available at Aetrix Electronics and suitable for industrial AC/DC power supplies, LED driver input stages, appliance control board power, and offline SMPS auxiliary supplies requiring stable component supply and long-lifecycle support.
Supply support for GBP306 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 GBP-series bridge rectifiers are part of Diodes' power discrete portfolio, engineered for high-reliability, cost-effective AC/DC conversion in industrial, consumer, and lighting applications where standardized packaging and safety certifications are essential.
FAQ
What is the maximum operating junction temperature for GBP306?
The GBP306 has a specified operating junction temperature range of –55°C to +150°C. This allows reliable operation in harsh environments such as enclosed industrial enclosures or outdoor LED drivers, provided thermal design maintains TJ ≤150°C under worst-case load and ambient conditions.
Can GBP306 be used without a heatsink?
Yes, but only at reduced current: the datasheet specifies 1.8A IF(AV) without heatsink at TC = +100°C. For continuous 3A operation, a heatsink (e.g., 30mm × 30mm × 1mm Cu plate) is mandatory to maintain junction temperature within limits and avoid thermal runaway.
Is GBP306 compliant with automotive qualification standards?
No - GBP306 is not AEC-Q101 qualified. While Diodes offers automotive-grade variants in other families, this part is intended for industrial, commercial, and consumer applications. For automotive use, contact Diodes directly for PPAP-capable, IATF 16949-manufactured alternatives.
What does the marking "Green GBP306" indicate on the device body?
"Green" denotes Diodes' halogen- and antimony-free material definition: <900ppm bromine, <900ppm chlorine (≤1500ppm total Br+Cl), and <1000ppm antimony compounds - satisfying stringent environmental requirements beyond RoHS, including JEDEC JS709 and iNEMI guidelines.
GBP306 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 4-SIP, GBP
- Packaging:
- Tube
- Product Status:
- Active
- Diode Type:
- Single Phase
- Technology:
- Standard
- Voltage - Peak Reverse (Max):
- 600 V
- Current - Average Rectified (Io):
- 3 A
- Voltage - Forward (Vf) (Max) @ If:
- 1.05 V @ 1.5 A
- Current - Reverse Leakage @ Vr:
- 5 µA @ 600 V
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- GBP
GBP306 FAQ
1.How can I place an order for GBP306 through Aetrix?
Please submit a Request for Quotation (RFQ) for GBP306 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 GBP306 reliable?
The price and inventory of GBP306 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for GBP306 is usually 5 days.
3.What payment methods are accepted for GBP306?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for GBP306 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for GBP306?
GBP306 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your GBP306 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 GBP306?
For technical support, including GBP306 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your GBP306 requirements.
6.How does Aetrix verify that GBP306 is sourced from the original manufacturer or authorized distributors?
All GBP306 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 GBP306 meets industry standards.
7.What is the process for return or replacement of GBP306?
All GBP306 units undergo pre-shipment inspection (PSI). If there is an issue with GBP306, 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 GBP306 part is unused and in its original packaging.
Return procedure for GBP306:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
GBP306 Tags

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HDS10M-13
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MB10S-13
Diodes Incorporated

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DF04M
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