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Diodes Incorporated KBJ601G
- Part No.:
- KBJ601G
- Manufacturer:
- Diodes Incorporated
- Category:
- Bridge Rectifiers
- Package:
- 4-SIP, KBJ
- Datasheet:
-
KBJ601G.pdf
- Description:
- BRIDGE RECT 1PHASE 100V 6A KBJ
- Quantity:
- Payment:
- Shipping:
Inventory:2,329
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Product details
Overview
KBJ601G from Diodes Incorporated is a 6.0A standard recovery bridge rectifier with 100V peak repetitive reverse voltage (VRRM), 1.0V forward voltage at 3.0A, and 5.0µA reverse leakage current at 25°C - designed for AC-to-DC conversion in offline power supplies, LED drivers, and industrial control power stages.
For engineers reviewing the KBJ601G datasheet, KBJ601G pinout, KBJ601G application, or KBJ601G equivalent, key selection criteria include its 170A non-repetitive surge rating, 1.5°C/W junction-to-case thermal resistance, UL recognition (E95060), and through-hole KBJ package compatibility with PCB mounting using #6 screw.
Technical Context
This single-phase, full-wave bridge rectifier integrates four silicon diodes in a molded plastic KBJ package with glass-passivated die construction. It operates across -55°C to +150°C and supports resistive/inductive loads at 60Hz without derating; capacitive loads require 20% IO derating.
The device delivers 6.0A average rectified output current at TC = +110°C, sustains 170A peak surge for 8.3ms half-sine wave, and exhibits 80pF typical total capacitance per element at 1MHz and 4V reverse bias.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 100 V - Maximum peak reverse voltage the bridge withstands without breakdown |
| IO @ TC=110°C | 6.0 A - Continuous DC output current capability with heatsink mounting |
| VF @ IF=3.0A | 1.0 V - Forward voltage drop per diode leg, defining conduction loss at rated load |
| IR @ 25°C | 5.0 µA - Reverse leakage per bridge leg, critical for low-power standby efficiency |
| IFSM | 170 A - Surge current handling for line transients and inrush limiting |
| RθJC | 1.5 °C/W - Thermal resistance per diode element, enabling thermal design with aluminum plate heatsink |
| CT @ 1MHz | 80 pF - Junction capacitance per diode, affecting high-frequency noise and EMI filtering |
Pinout & Package
Package: KBJ - Molded plastic case with bright tin-plated leads, UL 94V-0 flammability rating, 4.3g weight, and #6 screw mounting provision.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| ~AC1 | AC Input Terminal 1 | One input node for full-wave AC source connection |
| ~AC2 | AC Input Terminal 2 | Second input node completing AC input path to bridge |
| +DC | Positive DC Output | Anode of internal series-connected diode pair; delivers rectified positive rail |
| -DC | Negative DC Output | Cathode of internal series-connected diode pair; serves as return/reference ground |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die | Enhances long-term reliability and moisture resistance in humid or industrial environments |
| 2500VRMS dielectric strength | Ensures safe isolation between AC inputs and DC outputs under transient overvoltage conditions |
| UL Recognized Component (E95060) | Validates compliance with safety standards for end-equipment certification in North America |
| Lead-free & RoHS 3 compliant | Meets global environmental regulations without compromising solderability or thermal performance |
Applications
| Industrial Power Supplies | LED Driver Front-End |
|---|---|
Use Scenario: 230VAC input stage in DIN-rail mounted 24V/5A industrial SMPS. IC Role / Device Role / Timing Role: Full-wave bridge rectifier converting mains AC to unregulated DC bus prior to PFC and DC-DC stages. Use Value: 170A surge rating handles cold-start inrush; 1.0V VF minimizes conduction loss at 6A continuous load. | Use Scenario: Off-line constant-current LED driver for street lighting with 100–240VAC universal input. IC Role / Device Role / Timing Role: Primary rectification element feeding bulk capacitor and downstream flyback controller. Use Value: 100V VRRM safely accommodates 240VAC peak (≈340V) with margin; low IR reduces standby power loss. |
| Appliance Control Boards | AC Motor Control Auxiliary Supply |
Use Scenario: Embedded microcontroller power supply on washing machine main control board. IC Role / Device Role / Timing Role: Provides isolated 12V DC rail from 120VAC auxiliary winding of main transformer. Use Value: KBJ package enables robust through-hole mounting; UL recognition simplifies IEC 60335 certification. | Use Scenario: Low-power auxiliary supply for gate drivers and logic in 3-phase inverter modules. IC Role / Device Role / Timing Role: Rectifies AC voltage from control transformer to generate isolated ±15V rails. Use Value: 1.5°C/W RθJC allows direct heatsink mounting; 80pF CT limits high-frequency coupling into sensitive analog circuits. |
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 6A/100V rating, but GBU package has higher RθJC (2.0°C/W) and no UL listing | Lacks UL E95060 recognition; unsuitable for certified consumer/appliance designs | Select when UL compliance is not required and cost is prioritized over thermal margin |
| MB10F (Vishay) | Lower 1.0A IO rating, smaller MB package, 100V VRRM, but only 30A IFSM | Not suitable for 6A continuous or 170A surge applications; limited to low-power adapters | Use only in space-constrained, sub-1A designs where surge immunity is non-critical |
Compared with GBU6K and MB10F, KBJ601G uniquely combines UL recognition, 6A continuous current, 170A surge tolerance, and 1.5°C/W thermal resistance - making it the preferred choice for certified, thermally demanding industrial and appliance power supplies.
Availability
KBJ601G is available at Aetrix Electronics and suitable for industrial power supplies, LED driver front-ends, and appliance control boards requiring stable component supply, long-lifecycle support, and regulatory-compliant sourcing.
Supply support for KBJ601G 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.
KBJ601G belongs to Diodes' standard recovery bridge rectifier product line, engineered for cost-effective, high-reliability AC/DC front-end conversion in industrial, consumer, and lighting applications.
FAQ
What is the maximum operating temperature for KBJ601G?
KBJ601G has an operating junction temperature range of -55°C to +150°C. Its 6.0A average output current rating is specified at TC = +110°C, meaning the case must be maintained at or below that temperature-typically achieved using a 75mm × 75mm × 1.6mm aluminum heatsink per the datasheet's thermal test condition.
Is KBJ601G suitable for use with capacitive loads?
No-capacitive loads require a 20% derating of the average output current (IO). For KBJ601G, this reduces the usable continuous current from 6.0A to 4.8A when feeding large bulk capacitors directly after rectification, due to elevated peak currents and associated thermal stress on the diode junctions.
Does KBJ601G have automotive qualification?
KBJ601G is not AEC-Q101 qualified. While Diodes offers automotive-grade variants in the KBJ family (e.g., KBJ601G-A), the standard KBJ601G is intended for industrial and commercial applications. Automotive use requires explicit PPAP-capable, IATF 16949-manufactured versions with AEC-Q101 validation.
How is polarity marked on the KBJ601G package?
Polarity is molded directly onto the plastic body: the "+" symbol identifies the positive DC output terminal (+DC), and the "~" symbols adjacent to two leads indicate the AC input terminals (~AC1 and ~AC2). The negative DC output (-DC) is unmarked but located opposite +DC on the standard KBJ pinout diagram.
KBJ601G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 4-SIP, KBJ
- Packaging:
- Tube
- Product Status:
- Active
- Diode Type:
- Single Phase
- Technology:
- Standard
- Voltage - Peak Reverse (Max):
- 100 V
- Current - Average Rectified (Io):
- 6 A
- Voltage - Forward (Vf) (Max) @ If:
- 1 V @ 3 A
- Current - Reverse Leakage @ Vr:
- 5 µA @ 100 V
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- KBJ
KBJ601G FAQ
1.How can I place an order for KBJ601G through Aetrix?
Please submit a Request for Quotation (RFQ) for KBJ601G 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 KBJ601G reliable?
The price and inventory of KBJ601G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for KBJ601G is usually 5 days.
3.What payment methods are accepted for KBJ601G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for KBJ601G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for KBJ601G?
KBJ601G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your KBJ601G 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 KBJ601G?
For technical support, including KBJ601G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your KBJ601G requirements.
6.How does Aetrix verify that KBJ601G is sourced from the original manufacturer or authorized distributors?
All KBJ601G 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 KBJ601G meets industry standards.
7.What is the process for return or replacement of KBJ601G?
All KBJ601G units undergo pre-shipment inspection (PSI). If there is an issue with KBJ601G, 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 KBJ601G part is unused and in its original packaging.
Return procedure for KBJ601G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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