NUD3112
Integrated Relay,
Inductive Load Driver
This device is used to switch inductive loads such as relays,
solenoids incandescent lamps, and small DC motors without the need
of a free−wheeling diode. The device integrates all necessary items
such as the MOSFET switch, ESD protection, and Zener clamps. It
accepts logic level inputs thus allowing it to be driven by a large
variety of devices including logic gates, inverters, and
microcontrollers.
www.onsemi.com
MARKING DIAGRAMS
3
SOT−23
CASE 318
STYLE 21
JW5 MG
Features
1
G
2
• Provides a Robust Driver Interface Between D.C. Relay Coil and
Sensitive Logic Circuits
JW5 = Specific Device Code
• Optimized to Switch Relays of 12 V Rail
M
= Date Code
= Pb−Free Package
G
• Capable of Driving Relay Coils Rated up to 6.0 W at 12 V
• Internal Zener Eliminates the Need of Free−Wheeling Diode
(Note: Microdot may be in either location)
• Internal Zener Clamp Routes Induced Current to Ground for Quieter
SC−74
JW5 MG
CASE 318F
G
Systems Operation
6
• Low V
Reduces System Current Drain
DS(ON)
STYLE 7
1
• SZ Prefix for Automotive and Other Applications Requiring Unique
Site and Control Change Requirements; AEC−Q101 Qualified and
PPAP Capable
JW5 = Specific Device Code
M
= Date Code
G
= Pb−Free Package
(Note: Microdot may be in either location)
• These are Pb−Free Devices
Typical Applications
• Telecom: Line Cards, Modems, Answering Machines, FAX
• Computers and Office: Photocopiers, Printers, Desktop Computers
• Consumer: TVs and VCRs, Stereo Receivers, CD Players, Cassette
Recorders
ORDERING INFORMATION
†
Device
Package
Shipping
NUD3112LT1G
SOT−23
(Pb−Free)
3000 / Tape &
Reel
• Industrial: Small Appliances, Security Systems, Automated Test
Equipment, Garage Door Openers
SZNUD3112LT1G
SOT−23
(Pb−Free)
3000 / Tape &
Reel
NUD3112DMT1G
SC−74
(Pb−Free)
3000 / Tape &
Reel
SZNUD3112DMT1G
SC−74
(Pb−Free)
3000 / Tape &
Reel
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
INTERNAL CIRCUIT DIAGRAMS
Drain (3)
Drain (6)
Drain (3)
1.0 k
Gate (1)
Gate (2)
Gate (5)
1.0 k
1.0 k
300 k
300 k
300 k
Source (2)
Source (1)
Source (4)
CASE 318
CASE 318F
© Semiconductor Components Industries, LLC, 2002
1
Publication Order Number:
October, 2016 − Rev. 11
NUD3112/D