3N244TXV View Datasheet(PDF) - Optek Technology
Part Name
Description
Manufacturer
3N244TXV Datasheet PDF : 5 Pages
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Hi-Reliability Optically Coupled Isolator
3C91C, 3C92C, 3N243, 3N244, 3N245, 3N261, 3N262, 3N263
(TX, TXV)
Features:
TO-72 hermetically sealed package
1 kVDC electrical isolation
High current transfer ratio
TX and TXV devices processed to MIL-PRF-19500
Description:
Each device is a high reliability optically coupled isolator that consists of an infrared emitting diode and a NPN
silicon phototransistor which are mounted in a hermetically sealed TO-72 package. The 3C91C and 3C92C have
a 935 nm wavelength, whereas the 3N243, 3N244, 3N245, 3N261, 3N262 and 3N263 have an 880 nm
wavelength. All devices have 0.50” (12.70 mm) leads. Electrical characteristics vary. The 3N261TX, 3N262TX
and 3N263TX devices are similar to JEDEC registered optically coupled isolators.
TX and TXV devices are processed to OPTEK’s military screening program patterned after MIL-PRF-19500.
Please refer to Application Bulletins 208 and 210 for additional design information and reliability (degradation) data.
Contact your local representative or OPTEK for more information.
Applications:
High-voltage isolation
between input and output
Electrical isolation in dirty
environments
Industrial equipment
Medical equipment
Office equipment
3C91
1
2
3C92
1
3
4
3
Part
Number
3C91C (TX, TXV)
3C92C (TX, TXV)
3N243 (TX, TXV)
3N244 (TX, TXV)
3N245 (TX, TXV)
3N261 (TX, TXV)
3N262 (TX, TXV)
3N263 (TX, TXV)
LED
Peak
Wavelength
935 nm
880 nm
Sensor
Transistor
Isolation
Voltage
(,000)
1
VCE (V)
CTR
IF (mA) Typ / Lead
Min / Max Typ / Max Max Length
0.3 / 2.0
10 / 50 10 / 50
0.15 / NA
0.3 / NA
0.6 / NA
.05 / NA
1.0 / 5.0
2.0 / 10.0
3 / 40
10 / 30 0.50"
1 / 40
5 / 30
Phototransistor Collector is connected to the Header-Base-Case for ALL versions
3N2XX
2
3
Bottom
View
4
2
4
1
Pin #
1
2
3
4
3C91
Cathode
Collector
Emitter
Anode
3C92
Cathode
Emitter
Collector
Anode
3N2XX
Emitter
Cathode
Collector
Anode
[ MILLIMETERS]
DIMENSIONS ARE IN:
INCHES
OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.
OPTEK Technology Inc. — 1645 Wallace Drive, Carrollton, Texas 75006
Phone: (972) 323-2200 or (800) 341-4747
FAX: (972) 323-2396 sensors@optekinc.com www.optekinc.com
Issue A.3 11/09
Page 1 of 5
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