SK33

Schottky Barrier Rectifier

The SK33 is a schottky barrier rectifier from Diotec Semiconductor. View the full SK33 datasheet below including key specifications, pinout, electrical characteristics, absolute maximum ratings.

SK33 shares its datasheet with SK310, whose page lists every part number it covers.

Official SK33 datasheet (PDF) — the source this page was extracted from.

Manufacturer

Diotec Semiconductor

SK33 Key Specifications

Parameter	Value
Packaging	MouseReel
Standard Pack Qty	3000
Capacitance @ Vr, F	250pF @ 4V, 1MHz
Current - Average Rectified (Io)	3A
Reverse Leakage Current	500 µA @ 30 V
Grade	Automotive
Mounting Type	Surface Mount
Operating Temperature - Junction	-55°C ~ 150°C
Package / Case	DO-214AC, SMA
Qualification	AEC-Q101
Clock Speed	Fast Recovery =< 500ns, > 200mA (Io) Hz
Supplier Device Package	DO-214AC (SMA)
Diode Technology	Schottky
Reverse Voltage (Max)	30 V
Forward Voltage (Max)	550 mV @ 3 A

SK33 Overview

Part: SK310 — Micro Commercial Components Type: Schottky Rectifier Description: 3 A Schottky rectifier with 20 to 100 V reverse voltage range and low forward voltage.

Operating Conditions:

Operating temperature: -55 °C to +150 °C
Max DC Blocking Voltage: 100V

Absolute Maximum Ratings:

Max continuous current: 3.0A
Max junction/storage temperature: 150 °C

Key Specs:

Average Forward Current: 3.0A (T L =100 ⁰ C)
Peak Forward Surge Current: 100A (8.3ms, Half Sine)
Maximum Instantaneous Forward Voltage (SK38-310): 0.85V (I FM =3.0A; T J =25 ⁰ C)
Maximum DC Reverse Current at Rated DC Blocking Voltage: 0.1 mA (T J =25 ⁰ C)
Maximum DC Reverse Current at Rated DC Blocking Voltage: 10mA (T J =100 ⁰C)
Typical Junction Capacitance: 250pF (Measured at 1.0MHz, V R =4.0V)
Maximum Recurrent Peak Reverse Voltage (SK310): 100V

Features:

Lead Free Finish/RoHS Compliant
Halogen Free. 'Green' Device
High Current Capability With Low Forward Voltage
Epoxy Meets UL 94 V-0 Flammability Rating
Moisture Sensitivity Level 1

Applications:

Package:

SMC (DO-214AB)

SK33 Features

Lead Free Finish/RoHS Compliant(Note 1) ("P" Suffix D esignates Compliant. See O rdering I nformation)
Halogen Free. 'Green' Device (Note 2)
High Current Capability With Low Forward Voltage
Epoxy Meets UL 94 V-0 Flammability Rating
Moisture Sensitivity Level 1

SK33 Pin Configuration

SK33 Pinout – SMC (DO-214AB)

Pin Number	Pin Name	Type	Description
1	Cathode	P	Cathode (marked with band)
2	Anode	P	Anode

Notes

SK33 is a surface-mount Schottky barrier rectifier in SMC (DO-214AB) package with 2 pins.
Maximum Recurrent Peak Reverse Voltage (V_RRM): 30 V
Maximum Average Forward Rectified Current (I_AV): 3.0 A
Maximum Instantaneous Forward Voltage (V_F) at 3.0 A: 0.50 V
Polarity: Cathode identified by band marking on package.
The datasheet indicates this device is NOT RECOMMENDED FOR NEW DESIGN; use B3X0 Series instead.
Pin numbering follows standard SMC convention: Pin 1 = Cathode (banded end), Pin 2 = Anode.

SK33 Electrical Characteristics

Average Forward Current	I F(AV)	3.0A	T L =100 ⁰ C
Peak Forward Surge Current	I FSM	100A	8.3ms, H alf S ine
Maximum Instantaneous Forward Voltage SK32-34 SK35-36 SK38-310	V F	0.50V 0.75V 0.85V	I FM =3.0A; T J =25 ⁰ C*
Maximum DC Reverse Current a t Rated DC Blocking Voltage	I R	0. 1 mA 1 0mA	T J =25 ⁰ C ; T J =100 ⁰C
Typical Junction Capacitance	C J	250pF	Measured at 1.0MHz, V R =4.0V

3 Amp Schottky Rectifier 20 to 100 Volts

SMC (DO-214AB)

DIMENSIONS	DIMENSIONS	DIMENSIONS	DIMENSIONS	DIMENSIONS	DIMENSIONS
DIM	INCHES	INCHES	MM	MM	NOTE
DIM	MIN	MAX	MIN	MAX	NOTE
A	0.079	0.103	2.00	2.62
B	0.108	0.128	2.75	3.25
C	0.002	0.008	0.051	0.203
D	0.006	0.012	0.152	0.305
E	0.030	0.060	0.76	1.52
F	0.305	0.320	7.75	8.13
G	0.260	0.280	6.60	7.11
H	0.220	0.245	5.59	6.22

SK33 Absolute Maximum Ratings

Operating Junction Temperature Range: -55 ⁰C to +1 50 ⁰C
Storage Temperature Range: -55 ⁰C to +1 50 ⁰C
Maximum Thermal Resistance: 20 °C/W Junction To Case
Maximum Thermal Resistance: 10°C/W Junction to Lead
Maximum Thermal Resistance: 55°C/W Junction to Ambient

MCC Part Number	Device Marking	Maximum Recurrent Peak Reverse Voltage	Maximum RMS Voltage	Maximum DC Blocking Voltage
SK32	SK32	20V	14V	20V
SK33	SK33	30V	21V	30V
SK34	SK34	40V	28V	40V
SK35	SK35	50V	35V	50V
SK36	SK36	60V	42V	60V
SK38	SK38	80V	56V	80V
SK310	SK310	100V	70V	100V

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
SK310	Micro Commercial Components	SMC
SK310BF	Micro Commercial Components	SMC (DO-214AB)
SK32	Good-Ark Semiconductor	SMC
SK34	Good-Ark Semiconductor	SMC
SK35	Good-Ark Semiconductor	SMC
SK36	Good-Ark Semiconductor	SMC
SK38	Micro Commercial Components	SMC

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
USBLC6-2SC6 – STMicroelectronics, ESD Protection Device
PMEG4010CEJ – Nexperia, Schottky Barrier Rectifier

All Diodes datasheets All Diotec Semiconductor datasheets (7)

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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