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Diodes Incorporated GBU606
- Part No.:
- GBU606
- Manufacturer:
- Diodes Incorporated
- Category:
- Bridge Rectifiers
- Package:
- 4-SIP, GBU
- Datasheet:
-
GBU606.pdf
- Description:
- BRIDGE RECT 1PHASE 600V 6A GBU
- Quantity:
- Payment:
- Shipping:
Inventory:45,163
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Product details
Overview
GBU606 from Diodes Incorporated is a 6.0A standard recovery bridge rectifier with 600V maximum repetitive peak reverse voltage, 1.0V forward voltage at 3A, 5µA reverse leakage current at 25°C, and 175A peak surge rating - designed for AC/DC power conversion in industrial power supplies and motor control circuits.
For engineers reviewing the GBU606 datasheet, GBU606 pinout, GBU606 application, or GBU606 equivalent, key selection criteria include VRRM=600V, IF(AV)=6.0A with heatsink, VF≤1.0V @3A, IR≤5µA @25°C, and GBU package mechanical compatibility with #6 screw mounting.
Technical Context
This single-phase, full-wave bridge rectifier uses glass-passivated silicon die for stable thermal performance and low leakage. It operates across -55°C to +150°C junction temperature range and delivers 6.0A average output current when mounted on a 50mm × 50mm × 1.6mm copper heatsink.
The device exhibits 100pF typical junction capacitance at 1MHz/4V reverse bias and 2.2°C/W typical junction-to-case thermal resistance - enabling predictable thermal design in compact PCB layouts with through-hole mounting.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 600 V - Withstands up to 600V repetitive reverse voltage without breakdown in AC line applications. |
| IF(AV) | 6.0 A - Sustains 6.0A average forward current with proper heatsinking (50mm × 50mm copper plate). |
| VF Max | 1.0 V @ 3A - Limits conduction loss to ≤3W per half-cycle under rated DC load conditions. |
| IR Max | 5 µA @ 25°C - Ensures minimal reverse power dissipation and stable blocking in high-impedance circuits. |
| IFSM | 175 A - Survives 8.3ms half-sine surge events common during AC power-up or fault transients. |
| RθJC | 2.2 °C/W - Enables accurate junction temperature estimation for thermal margin verification. |
Pinout & Package
Package: GBU - 4-pin through-hole plastic package with UL 94V-0 flammability rating, lead-free tin-plated terminals, and #6 screw mounting capability (max 5.0 in-lb torque). Weight: 3.7 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AC1 | Input AC terminal 1 | One of two alternating current input connections; symmetrical with AC2 for full-wave rectification. |
| AC2 | Input AC terminal 2 | Second AC input; forms center-tapped or bridge-configurable input pair with AC1. |
| + (Anode Common) | Positive DC output | Common anode node delivering rectified positive voltage to downstream filter and regulation stages. |
| – (Cathode Common) | Negative DC output | Common cathode node serving as DC return path and ground reference for the rectified output. |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die | Enhances long-term reliability and moisture resistance in humid or thermally cycled environments. |
| 1500VRMS dielectric strength | Provides reinforced isolation between AC inputs and DC outputs for safety-critical power entry designs. |
| UL Recognized File #E95060 | Validates compliance with UL 60747-4 for discrete semiconductors in end-equipment certification. |
| 100pF junction capacitance | Minimizes high-frequency noise coupling and EMI generation in switching power supply front-ends. |
Applications
| Industrial Power Supply | Motor Drive Front-End |
|---|---|
Use Scenario: AC mains input rectification in 100–500W industrial switch-mode power supplies. IC Role / Device Role / Timing Role: Full-wave bridge rectifier converting 115/230VAC to pulsating DC prior to bulk capacitor filtering. Use Value: 600V VRRM ensures margin against 230VAC line surges; 175A IFSM withstands inrush into large input capacitors. | Use Scenario: Rectifying AC supply for DC bus in 3-phase inverter gate driver power rails. IC Role / Device Role / Timing Role: Isolated AC-to-DC conversion stage powering auxiliary logic and gate drive circuitry. Use Value: Low 5µA IR prevents DC bus leakage in standby mode; UL recognition supports safety-compliant system design. |
| LED Driver Input Stage | Appliance Control Board |
Use Scenario: Input rectification in non-isolated LED drivers for commercial lighting fixtures. IC Role / Device Role / Timing Role: Primary rectifier feeding constant-current regulator ICs in offline LED topology. Use Value: 1.0V VF minimizes conduction loss at 3A operating point, improving overall driver efficiency. | Use Scenario: Mains-powered control board in washing machines, HVAC controllers, or smart appliances. IC Role / Device Role / Timing Role: AC/DC conversion for microcontroller, relay, and sensor power domains. Use Value: GBU package enables robust mechanical mounting via #6 screw; RoHS-compliant finish meets global regulatory requirements. |
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 600V VRRM, 6A IF(AV), but VF = 1.1V max @3A; slightly higher thermal resistance (2.5°C/W). | Acceptable where 0.1V higher VF is tolerable and heatsink area is constrained. | Select GBU6K only if Diodes' GBU606 is unavailable and minor efficiency penalty is acceptable. |
| KBU6M (Comchip) | Identical VRRM, IF(AV), and VF spec; however, IR = 10µA max @25°C (double GBU606's leakage). | Suitable for general-purpose rectification but not low-leakage precision hold-up or standby circuits. | Prefer KBU6M only in cost-sensitive, non-critical leakage applications with verified thermal margin. |
Compared with GBU6K and KBU6M, the GBU606 offers the lowest reverse leakage (5µA) and best thermal resistance (2.2°C/W), making it optimal for thermally demanding or low-power-loss industrial designs where reliability and efficiency are prioritized.
Availability
GBU606 is available at Aetrix Electronics and suitable for industrial power supplies, motor drive front-ends, LED driver input stages, and appliance control boards requiring stable component supply and long-term manufacturability.
Supply support for GBU606 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, specializing in high-reliability power management, signal integrity, and protection solutions.
The GBU series belongs to Diodes' standard recovery bridge rectifier product line, engineered for robust AC/DC conversion in cost-sensitive yet thermally demanding industrial and consumer power systems.
FAQ
What is the maximum heatsink-less operating current for GBU606?
Without a heatsink, GBU606 is rated for 3.0A average forward current at 25°C ambient, per the derating curve in Figure 1. Operation above this requires thermal analysis using RθJA data and board layout specifics, as self-heating rapidly limits safe current handling.
Can GBU606 be used in automotive applications?
GBU606 is not AEC-Q101 qualified and lacks PPAP documentation or IATF 16949 manufacturing evidence. For automotive use, Diodes recommends contacting their automotive team for qualified alternatives like the GBU606-AQ variant, which undergoes extended stress testing and change control.
What does the "GBU" package marking indicate mechanically?
The GBU package is a 4-pin, single-in-line (SIP) through-hole outline with 22.05mm length, 7.65mm width, and 18.55mm height. It features spaced leads for #6 screw mounting, 94V-0 flame-retardant plastic body, and tin-plated leads compliant with MIL-STD-202 solderability standards.
How does GBU606's 100pF junction capacitance affect EMI performance?
At 100pF per diode element, GBU606 contributes predictable high-frequency displacement current during commutation. This value-measured at 1MHz/4V-supports EMI filter design by enabling accurate modeling of common-mode noise injection from the rectifier stage into upstream AC lines.
GBU606 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 4-SIP, GBU
- Packaging:
- Tube
- Product Status:
- Active
- Diode Type:
- Single Phase
- Technology:
- Standard
- Voltage - Peak Reverse (Max):
- 600 V
- Current - Average Rectified (Io):
- 6 A
- Voltage - Forward (Vf) (Max) @ If:
- 1 V @ 3 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:
- GBU
GBU606 FAQ
1.How can I place an order for GBU606 through Aetrix?
Please submit a Request for Quotation (RFQ) for GBU606 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 GBU606 reliable?
The price and inventory of GBU606 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for GBU606 is usually 5 days.
3.What payment methods are accepted for GBU606?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for GBU606 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for GBU606?
GBU606 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your GBU606 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 GBU606?
For technical support, including GBU606 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your GBU606 requirements.
6.How does Aetrix verify that GBU606 is sourced from the original manufacturer or authorized distributors?
All GBU606 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 GBU606 meets industry standards.
7.What is the process for return or replacement of GBU606?
All GBU606 units undergo pre-shipment inspection (PSI). If there is an issue with GBU606, 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 GBU606 part is unused and in its original packaging.
Return procedure for GBU606:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
GBU606 Tags
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