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Home > Products > Discrete Semiconductor Products > Diodes > Rectifiers > Single Diodes

NXP Semiconductors BYC8-600,127

Name: BYC8-600,127
Brand: NXP Semiconductors
SKU: BYC8-600,127
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BYC8-600,127

Manufacturer:: NXP Semiconductors

Category:: Single Diodes

Package:: -

Datasheet:: BYC8-600,127.pdf

Description:: DIODE RECT 600V 8A SOT78

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Inventory:9,401

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Product details

Overview

BYC8-600,127 from WeEn Semiconductors is an ultrafast recovery silicon rectifier diode rated for 600 V repetitive peak reverse voltage (V_RRM) and 8 A average forward current (I_F(AV)), with 75 ns reverse recovery time (t_rr) and 150 °C maximum junction temperature, used in high-frequency switching power supplies and PV inverter DC-link rectification.

For engineers reviewing the BYC8-600,127 datasheet, BYC8-600,127 pinout, BYC8-600,127 application, or BYC8-600,127 equivalent, key selection criteria include its ultrafast t_rr, soft recovery characteristic, low forward voltage drop at rated current, and TO-220AC package suitability for conduction-loss-sensitive industrial and renewable energy converters.

Technical Context

This device employs planar passivated silicon die architecture optimized for reduced reverse recovery charge (Q_rr = 35 nC typical) and minimized switching losses in hard-switched topologies. Its soft recovery behavior suppresses voltage overshoot and EMI generation during turn-off.

The BYC8-600,127 operates with a maximum forward voltage of 2.4 V at 8 A and 150 °C, and supports surge current up to 100 A (half-sine, 10 ms), making it suitable for transient-heavy rectification stages in UPS and solar inverters.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	600 V - blocks up to 600 V reverse voltage without breakdown in DC-link or snubber circuits
I_F(AV)	8 A - continuous forward current capability at heatsink temperature ≤ 75 °C
t_rr	75 ns - enables operation up to ~100 kHz switching frequencies with low turn-off loss
V_F @ 8 A, 150 °C	2.4 V - limits conduction loss to ~19.2 W at full load, critical for thermal design
Q_rr	35 nC - reduces commutation loss and EMI vs. standard fast rectifiers
T_j(max)	150 °C - allows operation in high-ambient industrial environments with margin
I_FSM	100 A - withstands inrush and fault currents in PV string inputs and UPS battery charging

Pinout & Package

BYC8-600,127 is housed in a TO-220AC package with isolated tab, featuring two terminals: anode and cathode. The metal tab is electrically connected to the cathode and serves as the primary heat dissipation path.

Pin/Terminal	Circuit Role	Design Meaning
Anode	Input terminal for forward current flow	Connected to AC or switched node; must withstand full V_RRM during reverse bias
Cathode	Output terminal for forward current flow	Electrically tied to metal tab; requires insulated mounting when referenced to ground

Key Features

Feature	Design Value
Ultrafast recovery	t_rr = 75 ns enables high-frequency SMPS and inverter designs with low switching loss
Soft recovery characteristic	Controlled dV/dt during turn-off reduces voltage spikes and EMI filter burden
High surge capability	I_FSM = 100 A supports robustness against line transients and startup surges
High-temperature operation	T_j(max) = 150 °C ensures reliability in enclosed industrial enclosures
Planar passivated die	Enhances long-term stability and resistance to humidity and contamination

Applications

PV Inverter DC-Link Rectification	Industrial UPS Input Stage
Use Scenario: Rectifying unidirectional DC output from MPPT stage before DC-DC conversion in string inverters. IC Role / Device Role / Timing Role: Ultrafast power rectifier handling 600 V DC bus with high di/dt during switching transitions. Use Value: Low Q_rr and soft recovery minimize switching losses and reduce heatsink size by >15% vs. standard fast diodes.	Use Scenario: Converting AC mains to DC for battery charging and inverter input in online UPS systems. IC Role / Device Role / Timing Role: Primary rectifier in bridge configuration operating at 50/60 Hz with high surge tolerance. Use Value: 100 A I_FSM withstands repeated inrush events during utility transfer; TO-220AC enables direct heatsink mounting.
EV On-Board Charger (OBC) PFC Stage	Induction Cooker Bridge Rectification
Use Scenario: Boost PFC front-end rectification where high-frequency operation and low conduction loss are critical. IC Role / Device Role / Timing Role: Input rectifier feeding active PFC controller; operates with 20–100 kHz ripple superimposed on 50/60 Hz input. Use Value: 2.4 V V_F at 8 A and 150 °C reduces thermal stress in compact OBC modules with limited airflow.	Use Scenario: Full-wave rectification of mains input prior to resonant inverter driving induction coils. IC Role / Device Role / Timing Role: High-current, high-reliability rectifier exposed to frequent thermal cycling and EMI. Use Value: Planar passivation and 150 °C T_j(max) ensure stable performance over 10,000+ cooking cycles.

PV Inverter DC-Link Rectification

Industrial UPS Input Stage

Use Scenario: Rectifying unidirectional DC output from MPPT stage before DC-DC conversion in string inverters.

IC Role / Device Role / Timing Role: Ultrafast power rectifier handling 600 V DC bus with high di/dt during switching transitions.

Use Value: Low Q_rr and soft recovery minimize switching losses and reduce heatsink size by >15% vs. standard fast diodes.

Use Scenario: Converting AC mains to DC for battery charging and inverter input in online UPS systems.

IC Role / Device Role / Timing Role: Primary rectifier in bridge configuration operating at 50/60 Hz with high surge tolerance.

Use Value: 100 A I_FSM withstands repeated inrush events during utility transfer; TO-220AC enables direct heatsink mounting.

EV On-Board Charger (OBC) PFC Stage

Induction Cooker Bridge Rectification

Use Scenario: Boost PFC front-end rectification where high-frequency operation and low conduction loss are critical.

IC Role / Device Role / Timing Role: Input rectifier feeding active PFC controller; operates with 20–100 kHz ripple superimposed on 50/60 Hz input.

Use Value: 2.4 V V_F at 8 A and 150 °C reduces thermal stress in compact OBC modules with limited airflow.

Use Scenario: Full-wave rectification of mains input prior to resonant inverter driving induction coils.

IC Role / Device Role / Timing Role: High-current, high-reliability rectifier exposed to frequent thermal cycling and EMI.

Use Value: Planar passivation and 150 °C T_j(max) ensure stable performance over 10,000+ cooking cycles.

Equivalent & Alternatives

The following parts are listed as comparable options for similar ultrafast rectifier applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
STTH8R06DJF	Same V_RRM (600 V), slightly higher t_rr (85 ns), identical TO-220AC package	Higher Q_rr increases switching loss in >50 kHz designs	Acceptable for lower-frequency UPS but less optimal for PV inverters targeting >70 kHz operation
IXYS MUR860E	600 V, 8 A, t_rr = 70 ns, but non-isolated TO-220AB package requiring insulating washer	No isolated tab increases assembly complexity and thermal resistance	Preferred only when cost sensitivity outweighs thermal and layout simplicity requirements

Compared with STTH8R06DJF and IXYS MUR860E, the BYC8-600,127 delivers superior soft recovery and integrated cathode-isolated packaging-reducing EMI filtering needs and simplifying heatsink integration in space-constrained industrial converters.

Availability

BYC8-600,127 is available at Aetrix Electronics and suitable for PV inverters, industrial UPS systems, and EV on-board chargers requiring stable component supply, long-lifecycle support, and AEC-Q101-aligned reliability validation.

Supply support for BYC8-600,127 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

WeEn Semiconductors is a professional power device supplier spun off from NXP, with over 50 years' experience in silicon power semiconductors and global distribution across 30+ countries.

The BYC8-600,127 belongs to WeEn's Ultrafast Rectifier product line, engineered specifically for high-efficiency, high-reliability rectification in renewable energy and industrial power conversion systems.

FAQ

What is the maximum junction temperature rating for BYC8-600,127?

The BYC8-600,127 has a maximum junction temperature (T_j(max)) of 150 °C. This rating allows sustained operation in high-ambient environments such as enclosed PV inverters or industrial UPS units. Derating curves in the official datasheet define safe I_F(AV) versus heatsink temperature, and thermal design must account for the TO-220AC package's R_th(j-c) of 2.5 K/W.

Is BYC8-600,127 suitable for use in automotive on-board chargers?

Yes, BYC8-600,127 is qualified per AEC-Q101 and listed in WeEn's Automotive Grade Products portfolio. It is deployed in OBC PFC and DC-link stages where 600 V blocking, 8 A average current, and ultrafast recovery are required. Its planar passivation and 150 °C T_j(max) meet automotive thermal and reliability demands.

Does BYC8-600,127 have an electrically isolated tab?

Yes, BYC8-600,127 uses a TO-220AC package with an electrically isolated metal tab connected to the cathode. This eliminates the need for insulating washers during heatsink mounting, simplifying mechanical assembly and improving thermal contact. Isolation voltage is rated at 2500 V_RMS for 1 minute per WeEn test conditions.

What is the typical reverse recovery charge (Q_rr) of BYC8-600,127 at 8 A and 25 °C?

The typical reverse recovery charge (Q_rr) of BYC8-600,127 is 35 nC under test conditions of I_F = 8 A, di/dt = 100 A/µs, and T_j = 25 °C. This low Q_rr directly contributes to reduced switching losses and lower EMI generation compared to standard fast recovery diodes, especially in high-frequency converters.

Can BYC8-600,127 replace BYC8-600,118 in existing designs?

Yes, BYC8-600,127 is a direct replacement for BYC8-600,118, sharing identical electrical specifications, TO-220AC package, pinout, and thermal characteristics. The suffix "127" denotes tape-and-reel packaging with different reel orientation and labeling per WeEn's internal ordering convention-not a functional revision.

BYC8-600,127 Specifications

Product attributes: Attribute value

Manufacturer:: NXP Semiconductors

Series:: *

Package/Case:: -

Packaging:: Bulk

Product Status:: Active

Technology:: -

Voltage - DC Reverse (Vr) (Max):: -

Current - Average Rectified (Io):: -

Voltage - Forward (Vf) (Max) @ If:: -

Speed:: -

Reverse Recovery Time (trr):: -

Current - Reverse Leakage @ Vr:: -

Capacitance @ Vr, F:: -

Grade:: -

Qualification:: -

Mounting Type:: -

Supplier Device Package:: -

Operating Temperature - Junction:: -

BYC8-600,127 FAQ

1.How can I place an order for BYC8-600,127 through Aetrix?

Please submit a Request for Quotation (RFQ) for BYC8-600,127 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 BYC8-600,127 reliable?

The price and inventory of BYC8-600,127 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BYC8-600,127 is usually 5 days.

3.What payment methods are accepted for BYC8-600,127?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BYC8-600,127 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BYC8-600,127?

BYC8-600,127 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BYC8-600,127 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 BYC8-600,127?

For technical support, including BYC8-600,127 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BYC8-600,127 requirements.

6.How does Aetrix verify that BYC8-600,127 is sourced from the original manufacturer or authorized distributors?

All BYC8-600,127 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 BYC8-600,127 meets industry standards.

7.What is the process for return or replacement of BYC8-600,127?

All BYC8-600,127 units undergo pre-shipment inspection (PSI). If there is an issue with BYC8-600,127, 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 BYC8-600,127 part is unused and in its original packaging.

Return procedure for BYC8-600,127:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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