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SPD-7D28 Datasheet, PDF (1/4 Pages) Sensitron – Solid State Power Controller Module
SENSITRON
SEMICONDUCTOR
Technical Data
Datasheet: SPD-7D28, Rev. A
SPD-7D28
Solid State Power Controller
Module
Description:
The Solid State Power Controller (SSPC) Module is a
microcontroller based Solid State Relay designed to be
used in Aircraft and/or other 28VDC applications.
Compliant Documents & Standards:
MIL-STD 704E
Aircraft Electric Power Characteristics
01 May 1991
MIL-STD 810E
Test Method Standard for Environmental Engineering Considerations and
Laboratory Tests
14 July 1989
MIL-STD -883E Test Method Standard Microcircuits
31 Dec 1996
Module Features:
• Plastic Mold Construction
• Solid State Reliability; Low Weight (12 grams) - High Power Density
• Very Small Package: 1.05”x0.85”x0.35”
• Very low control current: 25mA @ 5V
• Single-in-line 0.075” pitch connector for control interface and power terminals
Electrical Features:
• 28VDC Input: Capacity ranging from 1A to 7A
• True I2t Protection from 130% to 1500% of rated current
• Instant Trip Protection (300 µsec typ) for loads over 1500%
• High Overload Capability up to 140A
• Microcontroller based intelligent controller
• Transient voltage suppressor to handle Load Inductive Spike under Fault Trip
• Over-temperature Protection: 80 oC typ
• Internally generated isolated supply to drive the switch
• Opto Isolated ON/OFF Signal input and Switch Status output
• Low Power Dissipation; Comply with 250mV max Drop requirement: typ 120 mV @ 7A
• LED indicator, for visually indicating the operating status (option)
• Repetitive Fault handling capability
• Soft Turn-on to reduce EMC issues
• Module Reset with a Low Level Signal; Trip Reset Circuit is Trip-Free
• 221 West Industry Court 3 Deer Park, NY 11729-4681 3 Phone (631) 586 7600 Fax (631) 242 9798 •
• World Wide Web - http://www.sensitron.com • E-Mail Address - sales@sensitron.com •