SK310A
Schottky RectifierThe SK310A is a schottky rectifier from SMC Diode Solutions. View the full SK310A datasheet below including key specifications, electrical characteristics, absolute maximum ratings.
Official SK310A datasheet (PDF) — the source this page was extracted from.
SK310A Key Specifications
| Parameter | Value |
|---|---|
| Package Width | 2.32 mm to 2.52 mm |
| Package Height | 2.97 mm to 3.17 mm |
| Package Length | 5.70 mm to 5.90 mm |
| Reverse Current | 0.001 mA to 20.0 mA |
| Series Inductance | 8.0 nH |
| Approximate Weight | 0.06 g |
| Forward Voltage Drop | 0.62 V to 0.85 V |
| Junction Capacitance | 120 pF to 250 pF |
| Voltage Rate Of Change | 10,000 V/μs |
| Storage Temperature Range | -55 °C to +150 °C |
| Junction Temperature Range | -55 °C to +150 °C |
| Peak Repetitive Reverse Voltage | 100 V |
| Average Rectified Forward Current | 3 A |
| Peak One Cycle Non-Repetitive Surge Current | 80 A |
SK310A Overview
Part: SK310A — SMC Diode Solutions
Type: Schottky Rectifier
Description: 100 V, 3 A Schottky rectifier featuring very low forward voltage drop, high frequency operation, and a guard ring for enhanced ruggedness.
Operating Conditions:
- Operating temperature: -55 to +150 °C
- Max repetitive reverse voltage: 100 V
Absolute Maximum Ratings:
- Max reverse voltage: 100 V
- Max average rectified forward current: 3 A
- Max junction/storage temperature: +150 °C
Key Specs:
- Forward Voltage Drop (V F1) @3A, T J = 25 °C: 0.85 V (Max)
- Forward Voltage Drop (V F1) @3A, T J = 125 °C: 0.80 V (Max)
- Reverse Current (I R1) @V R = rated V R, T J = 25 °C: 0.6 mA (Max)
- Reverse Current (I R2) @V R = rated V R, T J = 125 °C: 20.0 mA (Max)
- Junction Capacitance (C T) @V R = 5V, T C = 25 °C, f SIG = 1MHz: 250 pF (Max)
- Series Inductance (L S): 8.0 nH (Typ)
- Voltage Rate of Change (dv/dt): 10,000 V/μs (Max)
Features:
- Small foot print, surface mountable
- Very low forward voltage drop
- High frequency operation
- Guard ring for enhanced ruggedness and long term reliability
- Green products in compliance the ROHS directive
- Terminals finish: 100% Pure Tin
- Pb - Free device
- All SMC parts are traceable to the wafer lot
Applications:
- Switching power supply
- Converters
- Free-Wheeling diodes
- Reverse battery protection
Package:
- SMA (Pb-Free)
SK310A Features
- Small foot print, surface mountable
- Very low forward voltage drop
- High frequency operation
- Guard ring for enhanced ruggedness and long term reliability
- Green products in compliance the ROHS directive
- Terminals finish: 100% Pure Tin
- This is a Pb - Free device
- All SMC parts are traceable to the wafer lot
- Additional testing can be offered upon request
SK310A Applications
- Switching power supply
- Converters
- Free-Wheeling diodes
- Reverse battery protection
SK310A Electrical Characteristics
| Characteristics | Symbol | Condition | Typ. | Max. | Units |
|---|---|---|---|---|---|
| Forward Voltage Drop* | V F1 | @3A, Pulse, T J = 25 °C | 0.77 | 0.85 | V |
| Forward Voltage Drop* | V F1 | @3A, Pulse, T J = 125 °C | 0.62 | 0.80 | V |
| Reverse Current* | I R1 | @V R = rated V R, T J = 25 °C | 0.001 | 0.6 | mA |
| Reverse Current* | I R2 | @V R = rated V R, T J = 125 °C | 1 | 20.0 | mA |
| Junction Capacitance | C T | @V R = 5V, T C = 25 °C, f SIG = 1MHz | 120 | 250 | pF |
| Series Inductance | L S | Measured lead to lead 5 mmfrom package body | 8.0 | - | nH |
| Voltage Rate of Change | dv/dt | - | - | 10,000 | V/μs |
SK310A Absolute Maximum Ratings
| Characteristics | Symbol | Condition | Max. | Units |
|---|---|---|---|---|
| Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage | V RRM V RWM V R | - | 100 | V |
| Average Rectified Forward Current | I F (AV) | 50% duty cycle @T L =100°C, rectangular wave form | 3 | A |
| Peak One Cycle Non-Repetitive Surge Current | I FSM | 8.3ms, Half Sine pulse, T c = 25 °C | 80 | A |
SK310A Thermal Information
| Characteristics | Symbol | Condition | Specification | Units |
|---|---|---|---|---|
| Junction Temperature | T J | - | -55 to +150 | °C |
| Storage Temperature | T stg | - | -55 to +150 | °C |
| Typical Thermal Resistance Junction to Lead | R θ JL | DC operation | 20 | °C/W |
| Typical Thermal Resistance Junction to Ambient | R θ JA | DC operation | 77 | °C/W |
| Approximate Weight | wt | - | 0.06 | g |
Variants on the same datasheet
These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.
| Part Number | Manufacturer | Package |
|---|---|---|
| SK310ATR | SMC Diode Solutions | SMA |
Other Diodes
- CDSOT23-SM712 – Bourns Inc., Surface Mount TVS Diode
- SS34HE – Vishay Intertechnology, Schottky Barrier Rectifier
- BSD3A311V – Brightking, ESD Protection Diode
- CH213K – WCH, Low Dropout Ideal Diode Chip
- VMNN110CMS-TR – Stanley Electric, Infrared Emitting Diode
- ESD5Z2.5T1G – onsemi, ESD Protection TVS Diode
- PMEG4010CEJ – Nexperia, Schottky Barrier Rectifier
- USBLC6-2SC6 – STMicroelectronics, ESD Protection Device
Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.
Ask your AI agent about the SK310A
Connect SheetsData to Claude, Cursor, Codex or any MCP client and your agent reads this datasheet for you: pinout, limits, register maps and design checks, with the numbers taken from the PDF.
claude mcp add --transport http sheetsdata https://mcp.sheetsdata.com/mcp
Then ask: "Can the SK310A run from my 12 V rail? Check it against the datasheet limits."
Create a free account $2 of usage every month, no card needed.