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SMC Diode Solutions KBP410G
- Part No.:
- KBP410G
- Manufacturer:
- SMC Diode Solutions
- Category:
- Bridge Rectifiers
- Package:
- 4-ESIP
- Datasheet:
-
KBP410G.pdf
- Description:
- BRIDGE RECT 1PHASE 1KV 4A KBP
- Quantity:
- Payment:
- Shipping:
Inventory:1,775
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Product details
Overview
KBP410G from Diodes Incorporated is a 4.0A, 1000V peak repetitive reverse voltage (VRRM) standard recovery bridge rectifier in KBP package, featuring 1.1V max forward voltage at 4.0A, ≤5µA reverse leakage at 1000V/25°C, and 130A non-repetitive surge rating - used for AC/DC full-wave rectification in LED lighting power supplies and office equipment.
For engineers reviewing the KBP410G datasheet, KBP410G pinout, KBP410G application, or KBP410G equivalent, key selection criteria include VRRM derating for capacitive loads, thermal resistance (RθJC = 6°C/W with heatsink), IFSM pulse duration compliance (8.3ms half-sine), and UL recognition (E95060) for safety-critical board-level designs.
Technical Context
The KBP410G integrates four silicon diodes in a single-phase bridge configuration with glass-passivated die construction, enabling stable operation up to +150°C junction temperature and supporting both resistive and inductive loads at 60Hz line frequency. Its 1000V VRRM rating allows direct use in 700V RMS input circuits without additional voltage margining.
Thermal design relies on two distinct RθJA values: 15°C/W with heatsink (75mm × 75mm × 1.6mm Cu plate) and 40°C/W without - requiring explicit heatsink specification for 4.0A continuous conduction. The 40pF typical capacitance per element limits high-frequency noise coupling in switching-adjacent rectifier stages.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 1000 V - supports 700V RMS AC inputs with 1.43× safety margin for mains surges |
| IO (TC = +105°C) | 4.0 A - maximum average output current with heatsink; derated to 2.0A without |
| VF (IF = 4.0A) | 1.1 V max - total forward drop across two series diodes in conduction path |
| IR (VR = 1000V) | 5 µA max @ 25°C - low leakage preserves efficiency in high-impedance hold-up stages |
| IFSM (8.3ms) | 130 A - withstands inrush into bulk capacitors without failure |
| RθJC | 6 °C/W - enables thermal interface design for <10°C rise at 4A with adequate heatsink |
| CT (per element) | 40 pF @ 4V/1MHz - minimizes EMI contribution in offline SMPS front-end |
Pinout & Package
Package: KBP - molded plastic body (UL 94V-0), 4-terminal single-in-line (SIL) configuration with bright tin-plated leads; dimensions: 14.5mm × 10.4mm × 4.0mm (L × W × H); weight ≈1.52g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| ~ (AC1) | AC Input Terminal 1 | One of two AC input nodes; marked with polarity stripe on body |
| ~ (AC2) | AC Input Terminal 2 | Second AC input node; electrically isolated from DC outputs |
| + (DC+) | Positive DC Output | Anode of internal upper-right diode; connects to bulk capacitor positive |
| – (DC–) | Negative DC Output | Cathode of internal lower-left diode; common return for load and control circuitry |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die | Enhances moisture resistance and long-term reliability under thermal cycling in humid environments |
| UL Recognized (E95060) | Validates compliance with UL 60747-4 for component-level safety in end-equipment certification |
| Lead-free & RoHS 3 compliant | Meets EU Directive 2015/863/EU; no exemptions required for Pb, Cd, Hg, Cr⁶⁺, PBB, PBDE |
| 130A surge rating (8.3ms) | Survives cold-start inrush into 1000µF/400V bulk capacitors without degradation |
Applications
| LED Driver Power Supply | Office Equipment AC/DC Adapter |
|---|---|
Use Scenario: Converts 230VAC mains to unregulated DC for constant-current LED driver ICs. IC Role / Device Role / Timing Role: Primary rectifier in offline flyback front-end; operates at 50/60Hz with minimal conduction loss. Use Value: 1.1V VF ensures <2.2W conduction loss at 4A, reducing heatsink size vs. higher-VF alternatives. |
Use Scenario: Provides DC bus for 12V/24V SMPS in printers and scanners. IC Role / Device Role / Timing Role: Full-wave bridge rectifier feeding bulk capacitor; handles 2A–4A average load with 130A surge tolerance. Use Value: 1000V VRRM eliminates need for external snubbers in 265VAC universal-input designs. |
| Home Appliance Control Board | Telecom Wall Adapter |
Use Scenario: Powers microcontroller and relay drivers in washing machine main control units. IC Role / Device Role / Timing Role: Mains-side rectifier supplying 5V/3.3V LDOs; operates continuously at 1.5A–2.5A. Use Value: 5µA IR at 25°C prevents standby current drift in always-on control logic. |
Use Scenario: Delivers DC input to isolated DC/DC converters in VoIP phone adapters. IC Role / Device Role / Timing Role: Bridge rectifier in Class II, double-insulated wall plug design; no earth reference. Use Value: UL E95060 recognition simplifies end-product safety approval for IEC 62368-1 compliance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bridge rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| GBU10K | Same 1000V VRRM, but 10A IO rating and GBU package (larger footprint, higher RθJA = 25°C/W) | Used where higher current headroom or legacy GBU layout compatibility is required | Select when board space permits larger package and >4A margin is needed |
| KBL410 | Identical electrical specs, but KBL package (4-pin inline, wider lead spacing, 15.2mm length) | Preferred for wave-soldered through-hole assemblies requiring ≥2.54mm lead pitch | Choose for manual assembly or where KBP's 3.56mm e-spacing causes solder bridging risk |
Compared with GBU10K and KBL410, KBP410G offers optimal balance of compact KBP footprint, 6°C/W thermal resistance with heatsink, and UL recognition - making it preferred for space-constrained, thermally managed, safety-certified AC/DC designs.
Availability
KBP410G is available at Aetrix Electronics and suitable for LED lighting power supplies, office equipment AC/DC adapters, and home appliance control boards requiring stable component supply and UL-recognized rectification.
Supply support for KBP410G 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 KBP series bridges belong to Diodes' standard recovery rectifier product line, engineered for cost-sensitive, thermally demanding AC/DC front-ends in consumer and industrial power supplies - prioritizing surge robustness, low leakage, and safety certification.
FAQ
What is the maximum continuous current for KBP410G without a heatsink?
KBP410G supports 2.0A average rectified output current at TC = +105°C without heatsink, as specified in the Absolute Maximum Ratings table. This derating reflects its 40°C/W junction-to-ambient thermal resistance in free-air conditions and must be validated with actual board layout and ambient temperature.
Does KBP410G meet automotive qualification standards?
No - KBP410G is not AEC-Q101 qualified. Diodes states that automotive-grade variants require specific change control, PPAP capability, and IATF 16949 manufacturing; users needing automotive compliance must contact Diodes directly for qualified alternatives like the ABS10xQ series.
How does the 40pF capacitance affect EMI performance?
The 40pF typical capacitance per diode element contributes to differential-mode noise coupling at high frequencies; in SMPS designs, this necessitates proper Y-cap placement and common-mode choke sizing to meet CISPR-22/32 conducted emissions limits - especially critical above 150kHz switching frequencies.
Can KBP410G replace KBP408G in an existing design?
Yes - KBP410G is a direct upgrade from KBP408G (800V VRRM) with identical package, pinout, and thermal characteristics, offering increased voltage margin for 265VAC universal-input applications or regions with high mains transients, without layout or thermal redesign.
KBP410G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- SMC Diode Solutions
- Series:
- -
- Package/Case:
- 4-ESIP
- Packaging:
- Tube
- Product Status:
- Active
- Diode Type:
- Single Phase
- Technology:
- Standard
- Voltage - Peak Reverse (Max):
- 1 kV
- Current - Average Rectified (Io):
- 4 A
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 4 A
- Current - Reverse Leakage @ Vr:
- 5 µA @ 1000 V
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- KBP
KBP410G FAQ
1.How can I place an order for KBP410G through Aetrix?
Please submit a Request for Quotation (RFQ) for KBP410G 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 KBP410G reliable?
The price and inventory of KBP410G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for KBP410G is usually 5 days.
3.What payment methods are accepted for KBP410G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for KBP410G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for KBP410G?
KBP410G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your KBP410G 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 KBP410G?
For technical support, including KBP410G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your KBP410G requirements.
6.How does Aetrix verify that KBP410G is sourced from the original manufacturer or authorized distributors?
All KBP410G 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 KBP410G meets industry standards.
7.What is the process for return or replacement of KBP410G?
All KBP410G units undergo pre-shipment inspection (PSI). If there is an issue with KBP410G, 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 KBP410G part is unused and in its original packaging.
Return procedure for KBP410G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
KBP410G Tags
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DF04M
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