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Diodes Incorporated GBJ2004-F
- Part No.:
- GBJ2004-F
- Manufacturer:
- Diodes Incorporated
- Category:
- Bridge Rectifiers
- Package:
- 4-SIP, GBJ
- Datasheet:
-
GBJ2004-F.pdf
- Description:
- BRIDGE RECT 1PHASE 400V 20A GBJ
- Quantity:
- Payment:
- Shipping:
Inventory:8
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Product details
Overview
GBJ2004-F from Diodes Incorporated is a 20A glass passivated single-phase bridge rectifier with 400V peak repetitive reverse voltage (VRRM), 1.05V forward voltage per element at 10A, and 240A non-repetitive surge current rating - designed for AC-to-DC conversion in industrial power supplies and motor control circuits.
For engineers reviewing the GBJ2004-F datasheet, GBJ2004-F pinout, GBJ2004-F application, or GBJ2004-F equivalent, key selection criteria include thermal resistance (0.8°C/W), RMS reverse voltage (280V), case temperature derating behavior, and through-hole mounting compatibility with #6 screw fastening.
Technical Context
This bridge rectifier integrates four silicon diodes in a single GBJ package with glass passivation for enhanced reliability under high-voltage transients and elevated junction temperatures up to +150°C. Its molded plastic case meets UL 94V-0 flammability and supports lead-free soldering per MIL-STD-202.
The device operates with low reverse leakage (10 µA at 25°C, 500 µA at 125°C) and exhibits 60 pF typical capacitance per element at 1 MHz, minimizing high-frequency noise coupling in switching power supply front-ends.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 400 V - maximum peak reverse voltage the bridge can block without breakdown |
| IO @ TC = 110°C | 20 A - average forward output current sustainable with case temperature held at 110°C |
| IFSM (8.3 ms) | 240 A - surge withstand capability for single half-sine AC line fault events |
| VFM @ IF = 10A | 1.05 V - forward voltage drop per diode leg, directly impacting conduction loss and thermal design |
| RJC | 0.8 °C/W - junction-to-case thermal resistance measured on 300×300×1.6 mm Cu heatsink |
| CT per element | 60 pF - total capacitance affecting EMI filtering requirements and high-frequency rectification fidelity |
| Tj, TSTG | −55 to +150 °C - operational and storage range enabling use in harsh industrial environments |
Pinout & Package
Package: GBJ - molded plastic, through-hole, #6 screw mountable, UL 94V-0 rated, 6.6 g weight, lead-free tin-plated terminals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AC1 | Input AC terminal (anode of D1, cathode of D2) | One of two AC input nodes; connects to primary side of transformer or line filter |
| AC2 | Input AC terminal (anode of D3, cathode of D4) | Second AC input node; completes full-wave bridge input path |
| + (Anode Common) | Positive DC output | DC output anode node formed by cathodes of D1 and D3; connects to bulk capacitor positive rail |
| – (Cathode Common) | Negative DC output | DC output cathode node formed by anodes of D2 and D4; serves as circuit ground reference |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die construction | Enables stable reverse characteristics and long-term reliability under thermal cycling and humidity stress |
| 1500 VRMS dielectric strength | Ensures isolation integrity between AC inputs and DC outputs in safety-critical power stages |
| UL Recognized Component (E94661) | Validates compliance with end-equipment safety standards without requiring additional system-level certification |
| RoHS-compliant lead-free finish | Meets EU Directive 2002/95/EC with exemptions for glass and high-temp solder, supporting global manufacturing |
| 240A I²t fusing rating | Provides predictable fuse coordination for overcurrent protection in 60 Hz mains-fed systems |
Applications
| Industrial Power Supply Input Stage | Motor Drive Front-End Rectification |
|---|---|
Use Scenario: AC mains input rectification in 20A-rated switch-mode power supplies for PLCs and HMIs. IC Role / Device Role / Timing Role: Bridge rectifier converting 230VAC/50Hz or 115VAC/60Hz to unregulated DC bus. Use Value: 400V VRRM provides 2× safety margin over 230VAC peak (325V), while 0.8°C/W RJC enables compact heatsinking. | Use Scenario: Single-phase AC input rectification in variable frequency drives for HVAC blowers and pumps. IC Role / Device Role / Timing Role: Full-wave rectifier feeding DC link capacitor prior to inverter stage. Use Value: 240A IFSM withstands motor startup surges; low CT (60 pF) reduces high-frequency noise injection into control circuitry. |
| LED Driver Bulk Capacitor Charging | Welding Equipment Primary Rectification |
Use Scenario: High-current charging of bulk electrolytic capacitors in constant-current LED drivers. IC Role / Device Role / Timing Role: Main rectifier delivering sustained 20A DC output to smoothing capacitor bank. Use Value: IO rating at TC = 110°C allows operation in enclosed enclosures without forced air; UL recognition simplifies end-product listing. | Use Scenario: Primary-side rectification in portable arc welding inverters with intermittent duty cycles. IC Role / Device Role / Timing Role: High-surge-capable bridge handling repetitive 200A+ short-duration pulses. Use Value: 240A IFSM and −55°C to +150°C Tj range support rugged field deployment under thermal shock and vibration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bridge rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Vishay GBU20J | Same 20A/400V rating, but GBU package has lower RJC (0.7°C/W) and higher IR (50 µA @ 25°C) | Preferred where tighter thermal budget exists; less suitable for ultra-low-leakage designs at high ambient | Select for improved thermal performance in space-constrained heatsink layouts |
| ON Semiconductor GBPC2004 | Identical electrical specs, but GBPC package uses copper leadframe (lower RJC = 0.6°C/W) and higher IFSM (300A) | Better suited for high-reliability welder or UPS applications requiring extended surge margin | Choose when system-level surge testing exceeds 240A or long-term thermal cycling is critical |
Compared with GBJ2004-F, GBU20J offers marginal thermal improvement but higher leakage, while GBPC2004 delivers superior surge robustness and thermal efficiency at the cost of larger footprint and higher unit price.
Availability
GBJ2004-F is available at Aetrix Electronics and suitable for industrial power supplies, motor drive front-ends, and LED driver bulk charging applications requiring stable component supply and long-lifecycle availability.
Supply support for GBJ2004-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 semiconductor manufacturer specializing in discrete, analog, and mixed-signal devices for power management, signal integrity, and connectivity.
The GBJ series targets cost-sensitive, high-reliability AC/DC front-end applications across industrial automation, lighting, and appliance markets - emphasizing thermal robustness, safety certification, and manufacturability.
FAQ
What is the maximum case temperature for continuous 20A operation?
The GBJ2004-F sustains 20A average forward current only when case temperature (TC) is maintained at or below 110°C, as specified in the derating curve. Exceeding this temperature requires linear current reduction - e.g., 15A at TC = 125°C - to prevent thermal runaway and ensure 10-year reliability.
Can GBJ2004-F be used with capacitive loads without derating?
No. The datasheet explicitly requires 20% current derating for capacitive loads due to high inrush current during bulk capacitor charging. At full rated 20A, the device must be operated at ≤16A when feeding large electrolytic banks directly after AC switch-on to avoid exceeding IFSM limits.
Is the GBJ2004-F compliant with RoHS and REACH regulations?
Yes. GBJ2004-F carries lead-free tin plating and complies with RoHS Directive 2011/65/EU (including Annex III exemptions for glass and high-temperature solder), and meets REACH SVHC thresholds with no substances above 0.1% w/w concentration.
What is the recommended torque for the #6 screw mounting?
The mechanical specification mandates a maximum mounting torque of 5.0 in-lbs (0.56 N·m) for the #6 screw. Exceeding this value risks cracking the molded plastic case or damaging internal wire bonds, potentially causing premature failure under thermal cycling or vibration stress.
GBJ2004-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):
- 400 V
- Current - Average Rectified (Io):
- 20 A
- Voltage - Forward (Vf) (Max) @ If:
- 1.05 V @ 10 A
- Current - Reverse Leakage @ Vr:
- 10 µA @ 400 V
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- GBJ
GBJ2004-F FAQ
1.How can I place an order for GBJ2004-F through Aetrix?
Please submit a Request for Quotation (RFQ) for GBJ2004-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 GBJ2004-F reliable?
The price and inventory of GBJ2004-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for GBJ2004-F is usually 5 days.
3.What payment methods are accepted for GBJ2004-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for GBJ2004-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for GBJ2004-F?
GBJ2004-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your GBJ2004-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 GBJ2004-F?
For technical support, including GBJ2004-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your GBJ2004-F requirements.
6.How does Aetrix verify that GBJ2004-F is sourced from the original manufacturer or authorized distributors?
All GBJ2004-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 GBJ2004-F meets industry standards.
7.What is the process for return or replacement of GBJ2004-F?
All GBJ2004-F units undergo pre-shipment inspection (PSI). If there is an issue with GBJ2004-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 GBJ2004-F part is unused and in its original packaging.
Return procedure for GBJ2004-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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