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Diodes Incorporated KBP01G
- Part No.:
- KBP01G
- Manufacturer:
- Diodes Incorporated
- Category:
- Bridge Rectifiers
- Package:
- 4-SIP, KBP
- Datasheet:
-
KBP01G.pdf
- Description:
- BRIDGE RECT 1PHASE 100V 1.5A KBP
- Quantity:
- Payment:
- Shipping:
Inventory:315
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Product details
Overview
KBP01G from Diodes Incorporated is a 100V-rated, 1.5A average current, single-phase standard recovery bridge rectifier in KBP package, with 1.1V max forward voltage at 1.5A and 5µA max reverse leakage at 25°C, used for AC/DC conversion in offline power supplies and industrial control power stages.
For engineers reviewing the KBP01G datasheet, KBP01G pinout, KBP01G application, or KBP01G equivalent, key selection criteria include VRRM rating, thermal resistance (18°C/W), surge capability (40A peak), UL recognition (E95060), and RoHS-compliant matte tin terminations.
Technical Context
This KBP-series bridge rectifier integrates four silicon diodes in a single-phase full-wave configuration with glass-passivated junctions, enabling stable operation from –55°C to +150°C junction temperature. Its 1500VRMS dielectric strength between case and terminals supports reinforced insulation in mains-connected equipment.
The device uses a plastic UL 94V-0 package with 75mm × 75mm copper heatsink mounting reference, delivering 18°C/W typical junction-to-case thermal resistance. It is rated for 60Hz resistive/inductive loads; capacitive load derating requires 20% current reduction.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 100 V - maximum repetitive reverse voltage before breakdown; defines safe AC input voltage ceiling (e.g., ≤70V RMS) |
| IO (at TC = +105°C) | 1.5 A - continuous average output current under heatsink-cooled conditions; sets DC load capacity |
| VF (max @ 1.5A, 25°C) | 1.1 V - worst-case forward drop per half-cycle conduction path; determines conduction loss (≈1.65W total at 1.5A) |
| IR (max @ 25°C) | 5 µA - maximum reverse leakage per diode leg; ensures low standby power in high-impedance hold-up circuits |
| IFSM (8.3ms) | 40 A - non-repetitive surge current tolerance; withstands cold-start inrush into bulk capacitors |
| RθJC | 18 °C/W - thermal resistance from junction to case; requires ≥75mm × 75mm Cu heatsink for full 1.5A rating |
| VB (IR = 5µA) | 100 V - measured breakdown voltage threshold; confirms VRRM compliance with margin |
Pinout & Package
Package: KBP (4-pin, single-in-line molded plastic housing, 14.5mm × 10.4mm × 14.5mm, 1.52g weight, UL 94V-0, matte tin leads).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AC1 | Input AC terminal (anode of D1, cathode of D2) | One AC input node; connects to transformer secondary or line filter output |
| AC2 | Input AC terminal (cathode of D1, anode of D2) | Second AC input node; completes full-wave bridge input pair |
| + (Anode common) | DC positive output (cathodes of D1 & D3) | Rectified positive rail; ties to bulk capacitor anode and downstream regulator input |
| – (Cathode common) | DC negative output (anodes of D2 & D4) | Rectified return/ground reference; connects to bulk capacitor cathode and system GND |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die construction | Enhances long-term reliability under humidity and thermal cycling; eliminates need for hermetic sealing |
| 1500VRMS case dielectric strength | Meets reinforced insulation requirements for Class II appliances and industrial mains interfaces |
| UL Recognized Component (E95060) | Validates safety compliance for end-equipment certification without additional component-level testing |
| 40A non-repetitive surge rating | Supports reliable startup into large electrolytic capacitors without fuse blowing or junction failure |
| RoHS-compliant matte tin terminations | Enables lead-free reflow soldering per JEDEC J-STD-020; compatible with standard PCB assembly lines |
Applications
| Industrial Power Supplies | Consumer AC/DC Adapters |
|---|---|
Use Scenario: 100–240VAC input stage in DIN-rail mounted PLC power modules. IC Role / Device Role / Timing Role: Full-wave bridge rectifier converting AC line to unregulated DC bus. Use Value: 100V VRRM safely handles 240VAC peaks with margin; 1.5A IO sustains 12V/1A control logic loads. | Use Scenario: Input rectification in wall-plug adapters for set-top boxes and audio receivers. IC Role / Device Role / Timing Role: Primary-side AC-to-DC conversion before bulk capacitance and switching regulator. Use Value: Low 5µA IR minimizes no-load power draw; UL E95060 simplifies adapter safety certification. |
| LED Driver Power Stages | Motor Control Auxiliary Supplies |
Use Scenario: Rectification in constant-current LED drivers for commercial lighting fixtures. IC Role / Device Role / Timing Role: Mains-fed DC bus generation feeding buck or flyback controller ICs. Use Value: 40A IFSM tolerates lamp hot-swap surges; 18°C/W RθJC enables compact heatsink integration. | Use Scenario: Auxiliary 15V supply powering gate drivers and MCU in 3-phase inverter modules. IC Role / Device Role / Timing Role: Isolated auxiliary rectifier fed from control transformer secondary. Use Value: Glass passivation ensures stability in vibration-prone motor environments; –55°C to +150°C TJ range matches inverter thermal profile. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bridge rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| GBU2K (ON Semiconductor) | Same KBP package, 100V VRRM, 2A IO, 1.05V VF max - higher current rating but larger VF spread | Preferred where >1.5A sustained load or tighter VF consistency is required | Select if design needs headroom beyond 1.5A or lower conduction loss variance |
| KBU10B (Comchip) | Same 100V/1.5A rating, KBU package (larger footprint, 22mm × 15mm), 1.2V VF max - higher forward drop and different mechanical fit | Suitable only when board layout allows larger package and thermal mass compensates VF penalty | Choose only if KBP footprint unavailable and board space permits KBU outline |
Compared with KBP01G, GBU2K offers higher current headroom at slightly better VF consistency but same package; KBU10B provides identical ratings in a physically incompatible package with higher VF, limiting use to layouts that accommodate its larger size and thermal trade-offs.
Availability
KBP01G is available at Aetrix Electronics and suitable for industrial power supplies, consumer AC/DC adapters, and LED driver power stages requiring stable component supply, UL recognition, and RoHS compliance.
Supply support for KBP01G 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 belongs to Diodes' standard recovery bridge rectifier product line, engineered for cost-sensitive, thermally constrained AC/DC front-end applications in industrial, consumer, and lighting systems.
FAQ
What is the maximum operating temperature for KBP01G?
KBP01G has a specified junction temperature range of –55°C to +150°C and a storage temperature range matching that span. Its 1.5A current rating is guaranteed only when case temperature is maintained at ≤+105°C, typically requiring a 75mm × 75mm copper heatsink per the datasheet thermal test condition.
Is KBP01G suitable for automotive applications?
KBP01G is not AEC-Q200 qualified and lacks PPAP documentation or IATF 16949 manufacturing evidence in its public datasheet. While it operates across –55°C to +150°C, Diodes explicitly states that automotive-grade variants require direct consultation with their representatives for change-controlled, qualified parts.
How does the KBP package differ from KBU or GBU packages?
KBP measures 14.5mm × 10.4mm × 14.5mm with 1.52g mass and uses a single-in-line 4-pin layout optimized for compact PCB footprints. KBU is larger (22mm × 15mm), while GBU shares the KBP outline but may differ in internal die attachment and thermal performance; mechanical compatibility must be verified per manufacturer drawings.
What does "glass passivated" mean for KBP01G's die construction?
Glass passivation applies a thin silicon dioxide layer over the diode junction to prevent surface contamination, moisture ingress, and ion migration. This improves long-term reliability under thermal cycling and humid environments-critical for industrial power supplies where field lifetime exceeds 10 years without maintenance.
KBP01G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 4-SIP, KBP
- Packaging:
- Tube
- Product Status:
- Active
- Diode Type:
- Single Phase
- Technology:
- Standard
- Voltage - Peak Reverse (Max):
- 100 V
- Current - Average Rectified (Io):
- 1.5 A
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 1.5 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:
- KBP
KBP01G FAQ
1.How can I place an order for KBP01G through Aetrix?
Please submit a Request for Quotation (RFQ) for KBP01G 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 KBP01G reliable?
The price and inventory of KBP01G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for KBP01G is usually 5 days.
3.What payment methods are accepted for KBP01G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for KBP01G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for KBP01G?
KBP01G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your KBP01G 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 KBP01G?
For technical support, including KBP01G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your KBP01G requirements.
6.How does Aetrix verify that KBP01G is sourced from the original manufacturer or authorized distributors?
All KBP01G 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 KBP01G meets industry standards.
7.What is the process for return or replacement of KBP01G?
All KBP01G units undergo pre-shipment inspection (PSI). If there is an issue with KBP01G, 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 KBP01G part is unused and in its original packaging.
Return procedure for KBP01G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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