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SDT400

Solid State Optronics
Part Number SDT400
Manufacturer Solid State Optronics
Description DC Input Optocoupler
Published Apr 12, 2005
Detailed Description SDT400 DC Input Optocoupler DESCRIPTION The SDT400 consists of a phototransistor optically coupled to a light emitting d...
Datasheet PDF File SDT400 PDF File

SDT400
SDT400

Overview
SDT400 DC Input Optocoupler DESCRIPTION The SDT400 consists of a phototransistor optically coupled to a light emitting diode.
Optical coupling between the input LED and output phototransistor allows for high isolation levels while maintaining low-level DC signal control capability.
The SDT400 provides an optically isolated method of controlling many interface applications such as telecommunications, industrial control and instrumentation circuitry.
FEATURES APPLICATIONS x x x x x High input-to-output isolation package (5000 Vrms) Low input power consumption High stability Miniature 4 pin DIP package CTR (CTR:MIN 50% at If=5mA Vce=5V) x x x x x x x x Registers, copiers, Automatic Vending Machines System appliances, measuring instruments Computer terminals, PLCs Telecommunications, telephones Home Appliances Digital logic inputs Microprocessor inputs Switching power supply, laser beam printers, etc.
OPTIONS/SUFFIXES MAXIMUM RATINGS PARAMETER Storage Temperature Operating Temperature Input Forward Current Input Peak Forward Current Reverse Input Control Voltage Total Power Dissipation UNIT °C °C mA A V mW MIN -55 -40 TYP MAX 125 100 50 1 6 200 x x x -H -S -TR 0.
4" Lead Spacing Option Surface Mount Option Tape and Reel Option SCHEMATIC DIAGRAM 1.
Anode 2.
Cathode 3.
Emitter 4.
Collector APPROVALS x x UL and C-UL Approved, File #E201932 VDE Approved , License #40011227 rev 1.
0 Solid State Optronics, Inc.
1.
888.
377.
4776 www.
ssousa.
com SDT400 DC Input Optocoupler ELECTRICAL CHARACTERISTICS - 25° PARAMETER INPUT SPECIFICATIONS Forward Voltage Reverse Current V PA 1.
2 1.
4 10 If = 20mA Vr = 4V UNIT MIN TYP MAX TEST CONDITIONS OUTPUT SPECIFICATIONS Collector-Emitter Breakdown Voltage Emitter-Collector Breakdown Voltage Dark Current Floating Capacitance Saturation Voltage Current Transfer Ratio Rise Time Fall Time V V PA pF V % Ps Ps 50 4 3 0.
6 0.
1 60 6 0.
1 1 0.
2 600 Ic = 10uA Ie = 10uA Vce = 20V V = 0, f=1MHz If = 20mA, Ic = 1mA If = 5mA, Vce = 5V Ic ...


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