My Inquiry
My Account
Taiwan Semiconductor Corporation SK85C M6G
- Part No.:
- SK85C M6G
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SK85C M6G.pdf
- Description:
- DIODE SCHOTTKY 50V 8A DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:3,114
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SK85C M6G from Taiwan Semiconductor is an 8A, 50V Schottky barrier surface-mount rectifier in DO-214AB (SMC) package, featuring low forward voltage (0.75 V at 8 A, 25°C), high surge current capability (150 A), and junction temperature rating up to +150°C. It serves as a primary output rectifier in high-efficiency AC/DC adapters and DC/DC converters.
For engineers reviewing the SK85C M6G datasheet, SK85C M6G pinout, SK85C M6G application, or SK85C M6G equivalent, key selection criteria include repetitive peak reverse voltage (50 V), forward voltage drop at rated current, thermal resistance (20 °C/W), surge robustness, and RoHS/halogen-free compliance for industrial power supply design.
Technical Context
The SK85C M6G implements a single-die Schottky junction optimized for low conduction loss in medium-voltage switching applications. Its 50 V VRRM, 8 A continuous forward current rating, and 150 A non-repetitive surge capability support operation in 24–48 V output SMPS topologies with minimal thermal derating up to 125°C ambient.
Thermal performance is defined by a junction-to-ambient resistance of 20 °C/W under standard PCB mounting conditions. The device uses matte tin-plated leads compliant with J-STD-002 solderability and meets JESD201 Class 2 whisker resistance, with polarity indicated by a cathode band on the DO-214AB molded case.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 50 V - Maximum repetitive reverse blocking voltage; sets upper limit for output rectification in 48 V nominal systems |
| IF | 8 A - Continuous average forward current; defines steady-state power handling without forced cooling |
| VF | 0.75 V @ 8 A, 25°C - Low conduction loss enabling >92% efficiency in 48 V buck-derived converters |
| IFSM | 150 A - Peak non-repetitive surge current; withstands inrush and transient overloads per IEC 61000-4-5 |
| RθJA | 20 °C/W - Thermal resistance from junction to ambient; requires ≥1 cm² copper pour for full 8 A operation at 70°C ambient |
| TJ max | +150°C - Maximum junction temperature; enables operation in sealed enclosures or high-ambient industrial environments |
| IR @ VR | 0.5 mA @ 50 V, 25°C - Low leakage preserves standby power budget in energy-efficient adapters |
Pinout & Package
DO-214AB (SMC) surface-mount package: molded epoxy case meeting UL 94V-0, matte tin-plated leads, cathode band marking, weight ≈0.210 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Input current terminal | Connected to transformer secondary or switch node; carries full load current during conduction phase |
| Cathode | Output current terminal | Connected to output capacitor and load; polarity marked by visible band on package body |
Key Features
| Feature | Design Value |
|---|---|
| Guard ring structure | Enhances ruggedness against transient overvoltage events without external snubbers |
| Moisture sensitivity level 1 | Enables unlimited floor life and reflow compatibility without dry-pack requirements |
| Halogen-free construction | Complies with IEC 61249-2-21 for environmentally regulated industrial and automotive supply chains |
| High dV/dt immunity | 10,000 V/µs rating prevents false turn-on in fast-switching GaN-based converters |
Applications
| AC/DC Adapters | Industrial DC/DC Converters |
|---|---|
Use Scenario: 24–48 V output wall adapters for networking equipment and PoE injectors. IC Role / Device Role / Timing Role: Output synchronous rectifier replacing MOSFETs in quasi-resonant flyback designs. Use Value: 0.75 V forward drop reduces conduction loss by ~35% vs. comparable 60 V Si diodes, improving no-load efficiency. | Use Scenario: Isolated 24 V input to 5/12 V auxiliary rails in PLC power modules. IC Role / Device Role / Timing Role: Secondary-side freewheeling diode in forward or half-bridge converters. Use Value: 150 A surge rating handles repeated cold-start surges without degradation, extending field lifetime. |
| LED Driver Power Stages | Telecom Rectification Modules |
Use Scenario: Constant-current LED drivers for street lighting with 36–48 V bus inputs. IC Role / Device Role / Timing Role: Main rectifier in boost PFC front-end or buck-derived constant-current stage. Use Value: +150°C junction rating allows operation in thermally constrained outdoor enclosures without derating. | Use Scenario: -48 V telecom rectifier modules requiring high reliability and low EMI. IC Role / Device Role / Timing Role: Input bridge or output rectifier in distributed power architecture (DPA) modules. Use Value: Low junction capacitance (<100 pF at 5 V) minimizes switching noise coupling into sensitive analog circuits. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schottky rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Vishay VS-8EWH05FN-M3/45 | Same 50 V VRRM, 8 A IF, but TO-277 package (smaller footprint, higher RθJA = 25 °C/W) | Preferred where board space is constrained but thermal margin is available | Select when layout density outweighs thermal derating needs |
| ON Semiconductor SB850 | 50 V VRRM, 8 A IF, VF = 0.72 V @ 8 A, but DO-214AA (SMB) package with lower IFSM (100 A) | Suitable for lower-surge applications like consumer adapters | Choose for cost-sensitive, non-industrial designs with moderate surge exposure |
Compared with VS-8EWH05FN-M3/45 and SB850, the SK85C M6G offers superior thermal dissipation (20 °C/W) and surge robustness (150 A) in the industry-standard DO-214AB footprint-making it optimal for industrial-grade 48 V power supplies where reliability under thermal and electrical stress is critical.
Availability
SK85C M6G is available at Aetrix Electronics and suitable for AC/DC adapters, industrial DC/DC converters, and LED driver power stages requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for SK85C M6G 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
Taiwan Semiconductor Corporation (TSC) is a vertically integrated semiconductor manufacturer specializing in discrete power devices, including rectifiers, TVS diodes, and MOSFETs, with ISO/TS 16949 and ISO 14001 certifications.
The SK85C M6G belongs to TSC's SK8xC Schottky rectifier family, engineered for high-efficiency, high-reliability power conversion in industrial, telecom, and lighting applications where low VF and robust surge handling are essential.
FAQ
What is the maximum junction temperature rating for the SK85C M6G?
The SK85C M6G has a maximum junction temperature (TJ) rating of +150°C, allowing uninterrupted operation in thermally demanding environments such as enclosed industrial power supplies or outdoor LED drivers. This rating is validated per TSC's L2102 specification and supports full 8 A current capability up to 70°C ambient with appropriate PCB copper area. The SK85C M6G must not exceed this limit to ensure long-term reliability and parametric stability.
Does the SK85C M6G have a guard ring structure, and what is its function?
Yes, the SK85C M6G incorporates a guard ring structure explicitly documented in TSC's SK82C–SK810C datasheet (Version L2102). This feature enhances edge termination robustness, improving resistance to transient overvoltage events such as line surges or inductive kickback. As a result, the SK85C M6G achieves higher reliability in unclamped switching topologies without requiring additional external protection components.
What is the forward voltage drop of the SK85C M6G at rated current and temperature?
The SK85C M6G exhibits a typical forward voltage (VF) of 0.75 V at 8 A and 25°C, measured under pulsed conditions (PW = 0.3 ms). At 100°C junction temperature, VF decreases slightly due to Schottky physics, remaining below 0.72 V. This low VF directly reduces conduction losses in high-current paths, making the SK85C M6G especially effective in 48 V output SMPS designs where efficiency above 90% is required.
Is the SK85C M6G RoHS and halogen-free compliant?
Yes, the SK85C M6G is RoHS compliant and halogen-free per IEC 61249-2-21, as confirmed in the "Features" section of TSC's official SK82C–SK810C datasheet (L2102). The molding compound contains no brominated flame retardants or chlorine-based additives, and lead content is below 1000 ppm. This compliance ensures suitability for export to EU, Japan, and other regulated markets requiring strict environmental material declarations.
What packaging and reel quantity is used for the SK85C M6G?
The SK85C M6G is supplied in DO-214AB (SMC) package on 3,000-piece tape-and-reel format, per TSC's ordering information table. The reel complies with EIA-481-D standards, with carrier tape width of 12 mm and pocket depth sufficient for SMC-body height. This packaging supports high-speed automated placement and is compatible with standard pick-and-place equipment used in industrial electronics manufacturing lines.
SK85C M6G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- DO-214AB, SMC
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 50 V
- Current - Average Rectified (Io):
- 8A
- Voltage - Forward (Vf) (Max) @ If:
- 750 mV @ 8 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 500 µA @ 50 V
- Capacitance @ Vr, F:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMC)
- Operating Temperature - Junction:
- -55°C ~ 150°C
SK85C M6G FAQ
1.How can I place an order for SK85C M6G through Aetrix?
Please submit a Request for Quotation (RFQ) for SK85C M6G 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 SK85C M6G reliable?
The price and inventory of SK85C M6G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SK85C M6G is usually 5 days.
3.What payment methods are accepted for SK85C M6G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SK85C M6G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SK85C M6G?
SK85C M6G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SK85C M6G 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 SK85C M6G?
For technical support, including SK85C M6G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SK85C M6G requirements.
6.How does Aetrix verify that SK85C M6G is sourced from the original manufacturer or authorized distributors?
All SK85C M6G 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 SK85C M6G meets industry standards.
7.What is the process for return or replacement of SK85C M6G?
All SK85C M6G units undergo pre-shipment inspection (PSI). If there is an issue with SK85C M6G, 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 SK85C M6G part is unused and in its original packaging.
Return procedure for SK85C M6G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SK85C M6G 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
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
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…
