My Inquiry
My Account
NXP Semiconductors BY229X-600,127
- Part No.:
- BY229X-600,127
- Manufacturer:
- NXP Semiconductors
- Category:
- Single Diodes
- Package:
- TO-220-2 Full Pack
- Datasheet:
-
BY229X-600,127.pdf
- Description:
- DIODE GEN PURP 500V 8A TO220FP
- Quantity:
- Payment:
- Shipping:
Inventory:4,481
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
BY229X-600,127 from NXP Semiconductors (formerly Philips) is a fast, soft-recovery glass-passivated rectifier diode in SOD113 package, rated for 600 V peak repetitive reverse voltage (VRRM), 8 A average forward current (IF(AV)), and 135 ns maximum reverse recovery time (trr). It delivers low forward voltage drop (VF ≤ 1.85 V at 20 A) and isolated mounting tab for enhanced thermal and electrical safety in high-reliability SMPS.
For engineers reviewing the BY229X-600,127 datasheet, BY229X-600,127 pinout, BY229X-600,127 application, or BY229X-600,127 equivalent, key selection criteria include soft-recovery behavior for EMI reduction, 2500 V RMS isolation voltage to heatsink, and thermal resistance of 4.8 K/W (with compound) - critical for TV power supplies, monitor flyback converters, and industrial AC/DC front-ends.
Technical Context
The BY229X-600,127 employs double-diffused silicon construction with glass passivation to achieve fast switching and soft reverse recovery-minimizing voltage overshoot and dIR/dt-induced ringing. Its isolated seating plane enables direct heatsink mounting without insulating washers while maintaining 2500 V RMS isolation.
Designed for continuous conduction mode (CCM) and discontinuous conduction mode (DCM) operation, it supports square-wave and sinusoidal forward current waveforms with thermal cycling robustness up to 150 °C junction temperature and 150 °C storage range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 600 V - Maximum repetitive reverse blocking voltage; defines safe operating margin against input surge and reflected spikes in 400 VAC SMPS. |
| IF(AV) | 8 A - Average forward current at Ths ≤ 83 °C; sets continuous output power capability in rectifier stage with standard heatsinking. |
| trr | ≤135 ns - Reverse recovery time at IF = 1 A, -dIF/dt = 50 A/µs; enables >100 kHz switching with low switching loss and reduced EMI. |
| VF | ≤1.85 V @ 20 A - Forward voltage drop; directly determines conduction loss and thermal load in high-current secondary-side rectification. |
| Visol (RMS) | 2500 V - Isolation voltage from pins to external heatsink; eliminates need for insulating pads in grounded-chassis designs. |
| Rth j-hs | 4.8 K/W - Junction-to-heatsink thermal resistance with compound; enables compact thermal design for 15–25 W output stages. |
| Qs | ≤0.7 µC - Reverse recovery charge; lower value reduces snubber stress and improves efficiency in quasi-resonant topologies. |
Pinout & Package
SOD113 package: axial-leaded, isolated metal tab (seating plane), 2 g mass, UL94 V0 epoxy, dimensions 15.8 mm × 10.3 mm × 3.2 mm (L×W×H), with recessed mounting features for mechanical stability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode | Output terminal for DC bus connection; polarity-sensitive node requiring correct PCB layout to avoid reverse bias failure. |
| 2 | Anode | AC input terminal; connects to transformer secondary or bridge output; carries full forward current and surge IFSM. |
| Tab | Isolated mounting surface | Electrically isolated from both pins; provides mechanical attachment and thermal path to heatsink without dielectric interface. |
Key Features
| Feature | Design Value |
|---|---|
| Soft recovery characteristic | Controlled dIR/dt ≤ 60 A/µs minimizes voltage ringing and EMI generation during turn-off in high-frequency SMPS. |
| Glass passivation | Hermetic protection of PN junction against moisture and contaminants, ensuring long-term reliability in humid environments. |
| Isolated mounting tab | Enables direct bolt-down to grounded heatsink without thermal pad or insulator, reducing thermal resistance and assembly cost. |
| High thermal cycling performance | Rated for 150 °C junction operation and -40 °C to +150 °C storage, supporting industrial-grade temperature cycling requirements. |
Applications
| TV Power Supplies | Monitor Flyback Converters |
|---|---|
Use Scenario: Primary-side or secondary-side rectification in 100–200 W CRT/LCD TV standby and main power supplies. IC Role / Device Role / Timing Role: Fast-recovery output rectifier handling 50–100 kHz switching with soft recovery to suppress audible noise and EMI. Use Value: 135 ns trr and 0.7 µC Qs reduce snubber losses and enable compliance with CISPR-22 Class B emissions limits. | Use Scenario: High-voltage output rectification in 30–80 W monitor flyback converters with tight space constraints. IC Role / Device Role / Timing Role: Secondary-side rectifier operating at 60–120 kHz, leveraging isolated tab for simplified heatsink integration. Use Value: 2500 V RMS isolation allows direct chassis-mounting, eliminating insulating hardware and saving board area. |
| Industrial AC/DC Front-Ends | LED Driver Secondary Rectification |
Use Scenario: Input rectification in 50–150 W industrial AC/DC modules requiring high surge immunity and thermal stability. IC Role / Device Role / Timing Role: Bridge or single-diode rectifier handling 60 Hz line frequency plus high-frequency ripple from PFC stage. Use Value: 60 A non-repetitive surge rating (IFSM) withstands cold-start inrush and lightning-induced transients. | Use Scenario: Output rectification in constant-current LED drivers for commercial lighting with 30–60 W output. IC Role / Device Role / Timing Role: Low-loss secondary rectifier delivering stable DC to LED string under variable load conditions. Use Value: VF ≤ 1.85 V at 20 A ensures <1.5 W conduction loss at full load, improving overall driver efficiency to >90%. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fast rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH8R06D | 600 V VRRM, 8 A IF(AV), but TO-220AC package with non-isolated tab; trr = 65 ns (faster), VF = 1.75 V @ 20 A. | Requires insulating hardware for heatsink mounting; better for ultra-low-noise designs where faster trr outweighs isolation need. | Select when lowest possible trr is prioritized and isolation can be managed externally. |
| VS-8EWH06FN-M3 | 600 V VRRM, 8 A IF(AV), DPAK package; trr = 120 ns, VF = 1.8 V @ 20 A; no isolated tab; Rth j-a = 50 K/W. | Surface-mount alternative with higher thermal resistance; suited for compact PCB layouts where through-hole mounting is impractical. | Select for automated SMT assembly where board space is constrained and heatsink isolation is handled via layout. |
Compared with STTH8R06D and VS-8EWH06FN-M3, the BY229X-600,127 uniquely combines 2500 V RMS isolation, soft recovery, and axial-leaded SOD113 form factor-making it optimal for cost-sensitive, thermally demanding through-hole SMPS where mounting simplicity and EMI control are primary concerns.
Availability
BY229X-600,127 is available at Aetrix Electronics and suitable for TV receivers, monitor power supplies, and industrial AC/DC front-ends requiring stable component supply, long-lifecycle support, and consistent parametric performance across production batches.
Supply support for BY229X-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
NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions, automotive radar, and power management ICs and discrete devices.
The BY229X series belongs to NXP's legacy high-reliability rectifier portfolio, engineered specifically for consumer and industrial switch-mode power conversion where soft recovery, thermal robustness, and mounting flexibility are essential.
FAQ
What is the maximum junction temperature rating for BY229X-600,127?
The BY229X-600,127 has a maximum operating junction temperature (Tj) of 150 °C, validated per IEC 134 limiting values. This rating enables reliable operation in enclosed TV and monitor power supplies where ambient temperatures may exceed 70 °C, provided thermal resistance to heatsink remains ≤4.8 K/W with thermal compound.
Does BY229X-600,127 have an electrically isolated mounting tab?
Yes, the BY229X-600,127 features an electrically isolated seating plane (tab) per SOD113 mechanical data, rated for 2500 V RMS isolation to external heatsink. This eliminates the need for mica washers or silicone pads, simplifying mechanical assembly and improving thermal transfer in grounded-chassis designs.
What is the reverse recovery time (trr) specification for BY229X-600,127?
The BY229X-600,127 has a maximum reverse recovery time (trr) of 135 ns, measured at IF = 1 A, VR > 30 V, and -dIF/dt = 50 A/µs. Its soft recovery profile limits dIR/dt to ≤60 A/µs, reducing voltage overshoot and EMI in high-frequency flyback and forward converters.
Can BY229X-600,127 replace BY229F-600 in existing designs?
No - BY229X-600,127 uses the SOD113 package with isolated tab, while BY229F-600 uses SOD100 with different mechanical dimensions and 1500 V isolation. Pin compatibility is not guaranteed due to distinct lead spacing and mounting geometry; redesign of heatsink interface and PCB footprint is required.
What is the forward voltage drop of BY229X-600,127 at rated current?
The BY229X-600,127 exhibits a maximum forward voltage drop (VF) of 1.85 V at 20 A forward current and Tj = 25 °C. At 8 A average current and elevated junction temperature, VF typically remains below 1.7 V, enabling efficient power conversion in 12–24 V output SMPS stages.
BY229X-600,127 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- TO-220-2 Full Pack
- Packaging:
- Tube
- Product Status:
- Obsolete
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 500 V
- Current - Average Rectified (Io):
- 8A
- Voltage - Forward (Vf) (Max) @ If:
- 1.85 V @ 20 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 135 ns
- Current - Reverse Leakage @ Vr:
- 400 µA @ 500 V
- Capacitance @ Vr, F:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-220FP
- Operating Temperature - Junction:
- 150°C (Max)
BY229X-600,127 FAQ
1.How can I place an order for BY229X-600,127 through Aetrix?
Please submit a Request for Quotation (RFQ) for BY229X-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 BY229X-600,127 reliable?
The price and inventory of BY229X-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 BY229X-600,127 is usually 5 days.
3.What payment methods are accepted for BY229X-600,127?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BY229X-600,127 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BY229X-600,127?
BY229X-600,127 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BY229X-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 BY229X-600,127?
For technical support, including BY229X-600,127 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BY229X-600,127 requirements.
6.How does Aetrix verify that BY229X-600,127 is sourced from the original manufacturer or authorized distributors?
All BY229X-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 BY229X-600,127 meets industry standards.
7.What is the process for return or replacement of BY229X-600,127?
All BY229X-600,127 units undergo pre-shipment inspection (PSI). If there is an issue with BY229X-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 BY229X-600,127 part is unused and in its original packaging.
Return procedure for BY229X-600,127:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BY229X-600,127 Tags
-
1N4448X-TP
Micro Commercial Co
-
1N4148WX-TP
Micro Commercial Co
-
1N4148TR
onsemi
-
MMSD4148T1G
onsemi
-
MMBD914LT3G
onsemi
-
BAS16HT1G
onsemi
-
1N914BWT
onsemi
-
BAS21LT1G
onsemi
-
LL4148
onsemi
-
BAS16LT1G
onsemi
-
MMSD914T1G
onsemi
-
BAV21W-7-F
Diodes Incorporated
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
