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NXP Semiconductors BYC5B-600,118
- Part No.:
- BYC5B-600,118
- Manufacturer:
- NXP Semiconductors
- Category:
- Single Diodes
- Package:
- TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Datasheet:
-
BYC5B-600,118.pdf
- Description:
- DIODE GEN PURP 500V 5A D2PAK
- Quantity:
- Payment:
- Shipping:
Inventory:1,600
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Product details
Overview
BYC5B-600 from NXP Semiconductors is an ultrafast silicon rectifier diode optimized for high-frequency switching in power conversion circuits, featuring 600 V peak repetitive reverse voltage (VRRM), 5 A average forward current (IF(AV)), 19 ns typical reverse recovery time (trr) at IF = 5 A / VR = 400 V / dIF/dt = 500 A/μs, and low thermal resistance (Rth j-mb = 2.5 K/W). It serves as a critical output rectifier or freewheeling diode in active PFC boost stages and half-bridge SMPS.
For engineers reviewing the BYC5B-600 datasheet, BYC5B-600 pinout, BYC5B-600 application, or BYC5B-600 equivalent, key selection criteria include ultrafast trr performance under high dIF/dt conditions, low VF at elevated junction temperature (1.4 V typ @ IF = 5 A, Tj = 150 °C), and SOT404 package thermal efficiency for surface-mount power density.
Technical Context
The BYC5B-600 employs a lightly doped epitaxial structure with lifetime control to achieve sub-30 ns trr while maintaining low forward voltage and minimal reverse recovery charge. Its design targets zero-voltage or quasi-resonant switching topologies where diode reverse recovery directly impacts MOSFET turn-on losses.
It operates with a maximum junction temperature of 150 °C and requires mounting to a thermally conductive PCB pad (SOT404 tab connected to cathode) to maintain Rth j-mb ≤ 2.5 K/W. The device exhibits strong dIF/dt dependence in trr and Irrm, with trr increasing from 19 ns to 30 ns and Irrm rising from 8 A to 11 A as dIF/dt rises from 500 to 50 A/μs at Tj = 125 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 600 V - supports DC bus voltages up to 400 V in PFC and bridge converters with margin for transients |
| IF(AV) | 5 A - continuous conduction mode operation at Tmb ≤ 89 °C with standard PCB footprint |
| trr (typ) | 19 ns - enables >100 kHz switching in hard-switched topologies without excessive MOSFET loss penalty |
| VF (typ) | 1.4 V @ IF = 5 A, Tj = 150 °C - reduces forward conduction loss in high-temperature environments |
| Rth j-mb | 2.5 K/W - allows direct thermal coupling to heatsink via SOT404 metal tab for efficient power dissipation |
| Irrm (max) | 11 A @ IF = 5 A, VR = 400 V, dIF/dt = 500 A/μs, Tj = 125 °C - defines peak current stress on commutating switch during recovery |
Pinout & Package
The BYC5B-600 is housed in the SOT404 (TO-252AA) surface-mount package, with the metal tab electrically connected to the cathode and thermally coupled to the PCB mounting base. Pin 1 is no connection; Pin 2 is cathode; Pin 3 is anode. Connection to Pin 2 is not physically possible due to internal construction - cathode is accessed solely via the tab.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Tab (cathode) | Cathode terminal & thermal path | Primary current return path and main heat extraction route; must be soldered to large copper area |
| Pin 1 | No connection | Internally isolated; no electrical function or thermal contribution |
| Pin 2 | Cathode | Not accessible externally - cathode is exclusively routed to tab per mechanical drawing Fig.15 |
| Pin 3 | Anode | Input terminal for forward current; connects to switching node or inductor output |
Key Features
| Feature | Design Value |
|---|---|
| Ultrafast trr | 19 ns typical at high stress conditions (IF = 5 A, VR = 400 V, dIF/dt = 500 A/μs) minimizes associated MOSFET switching loss |
| Low VF at high Tj | 1.4 V typical @ IF = 5 A, Tj = 150 °C ensures stable conduction loss in thermally constrained designs |
| Low Rth j-mb | 2.5 K/W enables >3 W continuous power dissipation with <8 °C rise above mounting base temperature |
| Optimized for dIF/dt | Controlled carrier lifetime yields predictable trr and Irrm across 50–500 A/μs range, supporting robust layout design |
Applications
| Active Power Factor Correction | Half-Bridge Lighting Ballasts |
|---|---|
Use Scenario: Output rectifier in continuous-conduction-mode (CCM) boost PFC stage operating at 50–100 kHz with 400 V DC bus. IC Role / Device Role / Timing Role: Freewheeling path during MOSFET on-time; recovers before next switching cycle to prevent shoot-through. Use Value: 19 ns trr and low Irrm reduce MOSFET turn-on loss by >40% vs. standard fast recovery diodes, verified in Fig.5. | Use Scenario: Freewheeling diode in resonant half-bridge ballast driving HID or fluorescent lamps at 20–50 kHz. IC Role / Device Role / Timing Role: Provides current path during dead-time and absorbs inductive energy from lamp transformer leakage inductance. Use Value: Low thermal resistance (2.5 K/W) sustains 5 A RMS current in compact enclosed fixtures without forced cooling. |
| Full-Bridge SMPS | Industrial Motor Drive Inverters |
Use Scenario: Secondary-side synchronous rectification replacement in telecom or server PSUs with 48–54 V output and 100–200 kHz switching. IC Role / Device Role / Timing Role: Unidirectional current valve in output stage; blocks reverse voltage during transformer reset phase. Use Value: 600 V VRRM provides margin against reflected transients in center-tapped or full-wave configurations. | Use Scenario: Clamping and regeneration path in IGBT-based 3-phase inverter drives for pumps and fans (1–5 kW). IC Role / Device Role / Timing Role: Freewheeling element across DC-link capacitors; conducts motor back-EMF during PWM off-states. Use Value: 40 A non-repetitive surge rating (IFSM) handles motor stall and regenerative braking peaks without degradation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultrafast rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH5L06 | 600 V VRRM, 5 A IF(AV), trr = 25 ns (typ), VF = 1.7 V @ 5 A, Rth j-mb = 3.0 K/W | Slightly higher trr and VF increase MOSFET loss by ~15% in high-dIF/dt PFC; lower thermal efficiency | Acceptable where board space or cost constraints outweigh marginal efficiency gain of BYC5B-600 |
| IXYS MUR560E | 600 V VRRM, 5 A IF(AV), trr = 35 ns (typ), VF = 1.85 V @ 5 A, TO-220AC package | Larger TO-220AC footprint increases layout area; 35 ns trr raises switching loss in >100 kHz designs | Preferred only when through-hole assembly or higher surge capability (IFSM = 150 A) is required over surface-mount density |
Compared with STTH5L06 and MUR560E, the BYC5B-600 delivers superior high-frequency efficiency via its 19 ns trr and 2.5 K/W thermal resistance, enabling smaller heatsinks and higher power density in SMT-based PFC and SMPS designs without sacrificing surge robustness.
Availability
BYC5B-600 is available at Aetrix Electronics and suitable for active power factor correction, half-bridge lighting ballasts, and full-bridge switched-mode power supplies requiring stable component supply, consistent parametric performance, and long-term industrial lifecycle support.
Supply support for BYC5B-600 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
NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in high-performance analog, logic, and power discrete solutions for industrial, automotive, and consumer systems.
The BYC5B-600 belongs to NXP's ultrafast rectifier family engineered specifically for high-efficiency AC-DC and DC-DC conversion in compact, thermally demanding power supplies.
FAQ
What is the maximum junction temperature rating for the BYC5B-600?
The BYC5B-600 has a maximum operating junction temperature (Tj) of 150 °C, as specified in the Limiting Values table. This rating is maintained under conditions where the mounting base temperature (Tmb) does not exceed 110 °C for reverse voltage operation and 89 °C for average forward current derating. Thermal design must ensure Rth j-mb ≤ 2.5 K/W to avoid exceeding this limit under full load.
Does the BYC5B-600 have a pin-compatible replacement in the same SOT404 package?
No documented pin-compatible replacement exists for the BYC5B-600 in the SOT404 package with identical internal pin configuration (Pin 1 NC, Pin 2 cathode inaccessible, Pin 3 anode, tab cathode). Alternative ultrafast diodes in SOT404 - such as STTH5L06 - share the same outline but differ in internal connectivity and thermal performance; PCB redesign is required to validate mechanical and thermal interface compatibility for BYC5B-600.
How does the BYC5B-600's reverse recovery time vary with dIF/dt?
The BYC5B-600's trr increases with decreasing dIF/dt: it measures 19 ns (typ) at 500 A/μs but rises to 30 ns (typ) at 50 A/μs under identical IF = 5 A and VR = 400 V conditions. This behavior is confirmed in Fig.7 of the datasheet and reflects carrier lifetime physics - slower current decay allows more minority carriers to recombine before reverse recovery completes.
Can the BYC5B-600 be used in automotive applications?
No - the BYC5B-600 is not automotive-qualified. Per NXP's legal disclaimers, unless explicitly stated as automotive qualified in the datasheet, the device is not tested or warranted for automotive use. It lacks AEC-Q101 qualification, and its reliability data (e.g., storage temperature range −40 to +150 °C) does not meet automotive environmental or lifetime requirements.
What is the forward voltage drop of the BYC5B-600 at rated current and high temperature?
The BYC5B-600 exhibits a typical forward voltage (VF) of 1.4 V at IF = 5 A and Tj = 150 °C, with a maximum of 1.75 V under those conditions. This value is specified in the Electrical Characteristics table and reflects stable conduction performance in thermally stressed power supply environments, directly supporting efficiency calculations in PFC and SMPS thermal models.
BYC5B-600,118 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Packaging:
- Bulk
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 500 V
- Current - Average Rectified (Io):
- 5A
- Voltage - Forward (Vf) (Max) @ If:
- 2.9 V @ 5 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 50 ns
- Current - Reverse Leakage @ Vr:
- 100 µA @ 600 V
- Capacitance @ Vr, F:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- D2PAK
- Operating Temperature - Junction:
- 150°C (Max)
BYC5B-600,118 FAQ
1.How can I place an order for BYC5B-600,118 through Aetrix?
Please submit a Request for Quotation (RFQ) for BYC5B-600,118 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 BYC5B-600,118 reliable?
The price and inventory of BYC5B-600,118 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BYC5B-600,118 is usually 5 days.
3.What payment methods are accepted for BYC5B-600,118?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BYC5B-600,118 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BYC5B-600,118?
BYC5B-600,118 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BYC5B-600,118 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 BYC5B-600,118?
For technical support, including BYC5B-600,118 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BYC5B-600,118 requirements.
6.How does Aetrix verify that BYC5B-600,118 is sourced from the original manufacturer or authorized distributors?
All BYC5B-600,118 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 BYC5B-600,118 meets industry standards.
7.What is the process for return or replacement of BYC5B-600,118?
All BYC5B-600,118 units undergo pre-shipment inspection (PSI). If there is an issue with BYC5B-600,118, 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 BYC5B-600,118 part is unused and in its original packaging.
Return procedure for BYC5B-600,118:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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