High Reliability Optically
Coupled Isolator
OPI120TX, OPI120TXV
Features:
High current transfer ratio
15 kV electrical isolation
Base lead provided for conventional transistor biasing
TX and TXV devices processed to MIL-PRF-19500
Description:
Each OPI120TX and OPI120TXV is an op cally coupled isolator that consists of a gallium aluminum arsenide infrared light
emi ng diode (OP235 TX or OP235TXV) and an NPN silicon phototransistor (OP804TX or OP804TXV), which are sealed in a
high dielectric plas c housing. This series is designed for applica ons that require high voltage isola on between input and
output.
TX and TXV devices are processed to OPTEK’s military screening program pa erned a er MIL‐PRF‐19500.
Please refer to Applica on Bulle ns 208 and 210 for addi onal design informa on and reliability (degrada on) data.
Contact your local representa ve or OPTEK for more informa on.
Applications:
Requiring high voltage isolation between
input and output
Electrical isolation in dirty environments
Industrial equipment
Medical equipment
Office equipment
1
LED
Isola on
IF (mA) VCE
Lead
Part
Peak
Voltage CTR Typ / (Volts) Length /
Number Wavelength Sensor
(,000) Min Max
Max Spacing
OPI120TX
0.40" /
890 nm Transistor
15
20 10 / 50
25
0.75"
OPI120TXV
5
Anode
Collector
Base
NPN
Trans.
4
Cathode
Emitter
3
2
Note: This is an “unsealed view” of the isolator
[ MILLIMETERS]
DIMENSIONS ARE IN:
General Note
TT Electronics reserves the right to make changes in product specification without
notice or liability. All information is subject to TT Electronics’ own data and is
considered accurate at time of going to print.
© TT electronics plc
INCHES
OPTEK Technology, Inc.
1645 Wallace Drive, Carrollton, TX 75006|Ph: +1 972 323 2200
www.optekinc.com | www.ttelectronics.com
Issue B
11/2016 Page 1
High Reliability Optically
Coupled Isolator
OPI120TX, OPI120TXV
Absolute Maximum Ra ngs (TA = 25° C unless otherwise noted)
Opera ng Temperature Range
‐65° C to +125° C
Storage Temperature Range
‐65° C to +150° C
(1)
Input‐to‐Output Isola on Voltage
±15 kVDC
Lead Soldering Temperature [1/16 inch (1.6 mm) from the case for 5 seconds with soldering iron]
260° C
Input Diode
Forward DC Current
100 mA
Reverse Voltage
2 V
(2)
Power Dissipa on
200 mW
Output Phototransistor
Con nuous Collector Current
50 mA
Collector‐Base Voltage
30 V
Collector‐Emi er Voltage
30 V
Emi er‐Base Voltage
5 V
(3)
Power Dissipa on
250 mW
Electrical Characteris cs (TA = 25° C unless otherwise noted)
SYMBOL
PARAMETER
MIN
TYP
MAX
UNITS
TEST CONDITIONS
Input Diode (See OP236TX and OP236TXV for addi onal informa on ‐ for reference only)
VF
IR
(4)
Forward Voltage
Reverse Current
1.00
1.40
1.70
1.20
1.60
1.90
0.90
1.15
1.50
‐
0.1
10
IF = 30 mA
V
IF = 30 mA, TA = ‐55° C
IF = 30 mA, TA = 100° C
µA
VR = 2 V
Output Phototransistor (See OP804TX, OP805TX and OP804TXV for addi onal informa on ‐ for reference only)
V(BR)CBO
Collector‐Base Breakdown Voltage
30
40
‐
V
IC = 100 µA , IE = 0, IF = 0
V(BR)CEO
Collector‐Emi er Breakdown Voltage
30
40
‐
V
IC = 100 µA , IB = 0, IF = 0
V(BR)EBO
Emi er‐Base Breakdown Voltage
5
‐
‐
V
IC = 100 µA , IC = 0, IF = 0
‐
0.2
100
na
VCE = 10 V, IB = 0, IF = 0
‐
10
100
µA
VCE = 10 V, IB = 0, IF = 0, TA = 100° C
‐
0.1
10
nA
VCB = 10 V, IE = 0, IF = 0
IC(OFF)
ICB(OFF)
Collector‐Emi er Dark Current
Collector‐Base Dark Current
Notes:
(1) Measured with input leads shorted together and output leads shorted together in air with a maximum rela ve humidity of 50%. If suitably
encapsulated or oil‐immersed, the isola on voltage is increased to at least 25 kV.
(2) Derate linearly 2.0 mW/° C above 25° C.
(3) Derate linearly 2.5 mW/° C above 25° C.
(4) Methanol or isopropanol are recommended as cleaning agents.
General Note
TT Electronics reserves the right to make changes in product specification without
notice or liability. All information is subject to TT Electronics’ own data and is
considered accurate at time of going to print.
© TT electronics plc
OPTEK Technology, Inc.
1645 Wallace Drive, Carrollton, TX 75006|Ph: +1 972 323 2200
www.optekinc.com | www.ttelectronics.com
Issue B
11/2016
Page 2
High Reliability Optically
Coupled Isolator
OPI120TX, OPI120TXV
Electrical Characteris cs (TA = 25°C unless otherwise noted)
SYMBOL
PARAMETER
MIN
TYP
MAX
UNITS
TEST CONDITIONS
2.00
‐
‐
mA
1.20
‐
‐
VCE = 5 V, IB = 0, IF = 10 mA, TA = ‐55° C
1.20
‐
‐
VCE = 5 V, IB = 0, IF = 10 mA, TA = 100° C
‐
0.25
0.30
V
IC = 2 mA, IB = 0, IF = 20 mA
15
30
‐
See note 1.
Combined
IC(ON)
VCE(SAT)
VISO
(1)
On‐State Collector Current
Collector‐Emi er Satura on Voltage
(1)
Isola on Voltage (Input to Output)
tr
Output Rise Time
‐
8
15
tf
Output Fall Time
‐
8
15
µs
VCE = 5 V, IB = 0, IF = 10 mA
VCC = 10 V, IC = 2 mA, RL = 100Ω
Notes:
(1) Measurement is taken during the last 500 µs of a single 1.0 ms test pulse. Hea ng due to increased pulse rate or pulse width can cause
change in measurement results.
General Note
TT Electronics reserves the right to make changes in product specification without
notice or liability. All information is subject to TT Electronics’ own data and is
considered accurate at time of going to print.
© TT electronics plc
OPTEK Technology, Inc.
1645 Wallace Drive, Carrollton, TX 75006|Ph: +1 972 323 2200
www.optekinc.com | www.ttelectronics.com
Issue B
11/2016
Page 3
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