SK310ATR

Schottky Rectifier

The SK310ATR is a schottky rectifier from SMC Diode Solutions. View the full SK310ATR datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

SK310ATR shares its datasheet with SK310A, whose page lists every part number it covers.

Official SK310ATR datasheet (PDF) — the source this page was extracted from.

Manufacturer

SMC Diode Solutions

SK310ATR Key Specifications

Parameter	Value
Weight	0.06g
Shipping	5000pcs/reel
Storage Temperature	-55°C to +150°C
Series Inductance (LS)	8.0nH typ
Junction Capacitance (CT)	120pF typ, 250pF max (VR=5V, 1MHz)
Peak Surge Current (IFSM)	80A (8.3ms half sine)
Reverse Current (IR) @25°C	0.001mA typ, 0.6mA max
Reverse Current (IR) @125°C	1mA typ, 20mA max
Operating Junction Temperature	-55°C to +150°C
Voltage Rate Of Change (Dv/Dt)	10,000V/µs max
Forward Voltage Drop (VF) @3A, 25°C	0.77V typ, 0.85V max
Forward Voltage Drop (VF) @3A, 125°C	0.62V typ, 0.80V max
Peak Repetitive Reverse Voltage (VRRM)	100V
Average Rectified Forward Current (IF(AV))	3A
Thermal Resistance Junction To Lead (RθJL)	20°C/W
Thermal Resistance Junction To Ambient (RθJA)	77°C/W

SK310ATR 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)

SK310ATR 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

SK310ATR Applications

Switching power supply
Converters
Free-Wheeling diodes
Reverse battery protection

SK310ATR 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

SK310ATR 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

SK310ATR 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
SK310A	SMC Diode Solutions	SMA

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All Diodes datasheets

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.

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