OLS249 Datasheet: Radiation Tolerant Phototransistor Hermetic Surface Mount Optocoupler





OLS249 Radiation Tolerant Phototransistor Hermetic Surface Mount Optocoupler Datasheet

Part Number OLS249
Description Radiation Tolerant Phototransistor Hermetic Surface Mount Optocoupler
Manufacture ETC
Total Page 3 Pages
PDF Download Download OLS249 Datasheet PDF

Features: www.DataSheet4U.com ISO LINK 1 ANODE BA SE OLS 249 Radiation Tolerant Phototra nsistor Hermetic Surface Mount Optocoup ler .170±.010 .100 .050 .065 4 COLL ECTOR OLS XXX 3 4 5 XXYY 3 CATHOD E EMITTER .245±.010 1 2 6 .090 Data Shee 6 5 .025 (6 PLS) .080 MAX. SCH EMATIC DataSheet4U.com PACKAGE OUTLINE Features ♦ Hermetic SMT package ♦ 1500 Vdc electrical isolation ♦ High current transfer ratio ♦ Small packa ge size ♦ High reliability and rugged construction ♦ Hi-rel screening avai lable ♦ Radiation tolerant NOTES: De scription The OLS249 consists of a ligh t emitting diode optically coupled to a NPN silicon phototransistor mounted an d coupled in a custom hermetic surface mount LCC package. The very low input c urrent makes the OLS249 well suited for direct CMOS to LSTTL / TTL interfaces. Electrical parameters are similar to t he JEDEC registered 4N49 optocoupler bu t with much better CTR degradation char acteristics due to radiation exposure Special electrical parametric selections .

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www.DataSheet4U.com
ISO
LINK
OLS 249
Radiation Tolerant Phototransistor
Hermetic Surface Mount Optocoupler
1
ANODE
CATHODE
6
BASE
4
COLLECTOR
3
EMITTER
5
.170±.010
.100
.050
34 5
.080
MAX.
1
26
DataShee
.025 (6 PLS)
SCHEMATIC
DataSheet4U.com PACKAGE OUTLINE
Features
Description
Hermetic SMT package
1500 Vdc electrical isolation
High current transfer ratio
Small package size
High reliability and rugged construction
Hi-rel screening available
Radiation tolerant
The OLS249 consists of a light emitting
diode optically coupled to a NPN silicon
phototransistor mounted and coupled in a
custom hermetic surface mount LCC package.
The very low input current makes the OLS249
well suited for direct CMOS to LSTTL / TTL
interfaces.
Electrical parameters are similar to the
JEDEC registered 4N49 optocoupler but with
much better CTR degradation characteristics due
to radiation exposure
Special electrical parametric selections are
availabe on request.
NOTES:
DataSheet4U.com1. Measured between pins 1, 2 and 6 shorted together and pins 3,4 and 5 shorted together. TA = 25 °C and duration = 1 second.
2. Derate linearly to 125°C free-air temperature at 0.67 mA / °C above 65°C.
3. For pulse width 1 µS, pulse repetition rate 300 pps.
4. Derate linearly to 125°C free-air temperature at 3.0 mW / °C above 25 °C
DataSheet4 U .com

        






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