Hi-Reliability Optically Coupled
Isolator
3C91C, 3C92C, 3N243, 3N244, 3N245, 3N261,
3N262, 3N263 (TX, TXV)
© TT electronics plc Issue A 11/2016 Page 1
TT Electronics | Optek Technology, Inc.
1645 Wallace Drive, Ste. 130, Carrollton, TX USA 75006 |Ph: +1 972 323 2200
www.electronics.com | sensors@electronics.com
General Note
TT Electronics reserves the right to make changes in product specicaon without
noce or liability. All informaon is subject to TT Electronics’ own data and is
considered accurate at me of going to print.
Descripon:
Each device is a high reliability opcally coupled isolator that consists of an infrared eming diode and a NPN silicon
phototransistor which are mounted in a hermecally 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 characteriscs vary. The 3N261TX, 3N262TX and 3N263TX devices are similar to JEDEC
registered opcally coupled isolators.
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.
Applicaons:
High-voltage isolaon
between input and
output
Electrical isolaon in
dirty environments
Industrial equipment
Medical equipment
Oce equipment
Features:
TO-72 hermecally sealed package
1 kVDC electrical isolaon
High current transfer rao
TX and TXV devices processed to MIL-PRF-19500
4
2
3
1
3C91
4
3
2
1
3C92
4
3
1
2
3N2XX
Part
Number
LED
Peak
Wavelength
Sensor
Isolaon
Voltage
(,000)
CTR
Min / Max
IF (mA)
Typ / Max
VCE (V)
Typ /
Max
Lead
Length
3C91C (TX, TXV) 935 nm
Transistor 1
10 / 50 10 / 50
0.50"
0.3 / 2.0
3C92C (TX, TXV)
3N243 (TX, TXV)
880 nm
0.15 / NA
3 / 40 10 / 30 3N244 (TX, TXV) 0.3 / NA
3N245 (TX, TXV) 0.6 / NA
3N261 (TX, TXV) .05 / NA
1 / 40 5 / 30 3N262 (TX, TXV) 1.0 / 5.0
3N263 (TX, TXV) 2.0 / 10.0
Phototransistor Collector is connected to the Header-Base-Case for ALL versions
Pin # 3C91 3C92 3N2XX
1 Cathode Cathode Emier
2 Collector Emier Cathode
3 Emier Collector Collector
4 Anode Anode Anode
Boom
View
DIMENSIONS ARE IN: INCHES
[ MILLIMETERS ]
Hi-Reliability Optically
Coupled Isolator
© TT electronics plc Issue A 11/2016 Page 2
TT Electronics | Optek Technology, Inc.
1645 Wallace Drive, Ste. 130, Carrollton, TX USA 75006 |Ph: +1 972 323 2200
www.electronics.com | sensors@electronics.com
General Note
TT Electronics reserves the right to make changes in product specicaon without
noce or liability. All informaon is subject to TT Electronics’ own data and is
considered accurate at me of going to print.
Absolute Maximum Rangs (TA = 25° C unless otherwise noted)
Operang Temperature Range -55o C to +125o C
Storage Temperature Range -65o C to +150o C
Input to Output Isolaon Voltage ± 1 kVDC(1)
Lead Soldering Temperature [1/16 inch (1.6 mm) from case for 5 seconds with soldering iron] 260° C(2)
Input Diode
Forward DC Current 40 mA
Reverse Voltage 2.0 V
Power Dissipaon 60 mW(3)
Output Phototransistor
Connuous Collector Current 30 mA
Collector-Emier Voltage 30 V
Emier-Collector Voltage 5.0 V
Power Dissipaon 200 mW(4)
IC(ON) vs TA
0.0
0.5
1.0
1.5
2.0
2.5
-55 -35 -15 +5 +25 +45 +65 +85 +105 +125 +135
TA (°C)
IC(ON) (mA)
IF = 20mA
IF = 50mA
Normalized @ 20 mA and 25° C
Notes:
1. Measured with input leads shorted together and output leads shorted together.
2. RMA ux is recommended. Duraon can be extended to 10 seconds maximum when ow soldering.
3. Derate linearly 2.0 mW/° C above 25° C.
4. Derate linearly 0.60 mW/° C above 65° C.
Hi-Reliability Optically
Coupled Isolator
© TT electronics plc Issue A 11/2016 Page 3
TT Electronics | Optek Technology, Inc.
1645 Wallace Drive, Ste. 130, Carrollton, TX USA 75006 |Ph: +1 972 323 2200
www.electronics.com | sensors@electronics.com
General Note
TT Electronics reserves the right to make changes in product specicaon without
noce or liability. All informaon is subject to TT Electronics’ own data and is
considered accurate at me of going to print.
Electrical Characteriscs (TA = 25°C unless otherwise noted)
SYMBOL PARAMETER MIN TYP MAX UNITS TEST CONDITIONS
Input Diode
VF
Forward Voltage
3C91C, 3C92C (TX, TXV)
3C91C, 3C92C (TX, TXV)
3N243, 3N244, 3N245 (TX, TXV)
3N243, 3N244, 3N245 (TX, TXV)
3N243, 3N244, 3N245 (TX, TXV)
3N261, 3N262, 3N263 (TX, TXV)
3N261, 3N262, 3N263 (TX, TXV)
3N261, 3N262, 3N263 (TX, TXV)
-
-
0.8
1.0
0.7
0.8
1.0
0.7
-
-
-
-
-
-
-
-
1.2
1.5
1.3
1.5
1.2
1.5
1.7
1.3
V
IF = 2 mA
IF = 50 mA
IF = 10 mA
IF = 10 mA, TA = -55° C
IF = 10 mA, TA = -100° C
IF = 10 mA
IF = 10 mA, TA = -55° C
IF = 10 mA, TA = -100° C
VR Reverse Voltage
3C91C, 3C92C (TX, TXV)
7
-
- V
IR = 0.1 mA
IR
Reverse Current
3C91C, 3C92C (TX, TXV)
3N243, 3N244, 3N245 (TX, TXV)
3N261, 3N262, 3N263 (TX, TXV)
-
-
-
-
-
-
1
100
100
µA
VR= 3.0 V
VR= 2.0 V
VR= 2.0 V
CIN Diode Capacitance
3C91C, 3C92C (TX, TXV)
-
25
- pF
V = 0, f = 1 MHz
Output Phototransistor
V(BR)CEO
Collector-Emier Breakdown Voltage
3C91C, 3C92C (TX, TXV)
3N243, 3N244, 3N245 (TX, TXV)
3N261, 3N262, 3N263 (TX, TXV)
50
30
40
-
-
-
-
-
-
V
IC = 10.0 mA
IC = 1.0 mA
IC = 1.0 mA
V(BR)ECO
Emier-Collector Breakdown Voltage
3C91C, 3C92C (TX, TXV)
3N243, 3N244, 3N245 (TX, TXV)
3N261, 3N262, 3N263 (TX, TXV)
7
5
7
-
-
-
-
-
-
V
IC = 10 µA
IE = 100 µA
IE = 100 µA
ICEO
Collector Dark Current
3C91C, 3C92C (TX, TXV)
3C91C, 3C92C (TX, TXV)
3N243, 3N244, 3N245 (TX, TXV)
3N243, 3N244, 3N245 (TX, TXV)
3N261, 3N262, 3N263 (TX, TXV)
3N261, 3N262, 3N263 (TX, TXV)
-
-
-
-
-
-
-
-
-
-
-
-
10
50
100
100
100
100
nA
nA
nA
µA
µA
µA
VCE = 5 V
VCE = 50 V
VCE = 10.0 V
VCE = 10.0 V, TA = 100° C
VCE = 10.0 V
VCE = 10.0 V, TA = 100° C
Hi-Reliability Optically
Coupled Isolator
© TT electronics plc Issue A 11/2016 Page 4
TT Electronics | Optek Technology, Inc.
1645 Wallace Drive, Ste. 130, Carrollton, TX USA 75006 |Ph: +1 972 323 2200
www.electronics.com | sensors@electronics.com
General Note
TT Electronics reserves the right to make changes in product specicaon without
noce or liability. All informaon is subject to TT Electronics’ own data and is
considered accurate at me of going to print.
Electrical Characteriscs (TA = 25°C unless otherwise noted)
SYMBOL PARAMETER MIN TYP MAX UNITS TEST CONDITIONS
Coupled
IC(ON)
On-State Collector Current
3C91C, 3C92C (TX, TXV)
3C91C, 3C92C (TX, TXV)
3N243 (TX, TXV)
3N243 (TX, TXV)
3N243 (TX, TXV)
3N243 (TX, TXV)
3N244 (TX, TXV)
3N244 (TX, TXV)
3N244 (TX, TXV)
3N244(TX, TXV)
3N245 (TX, TXV)
3N245 (TX, TXV)
3N245(TX, TXV)
3N245(TX, TXV)
3N261(TX, TXV)
3N261 (TX, TXV)
3N261 (TX, TXV)
3N262 (TX, TXV)
3N262(TX, TXV)
3N262 (TX, TXV)
3N263 (TX, TXV)
3N263(TX, TXV)
3N263(TX, TXV)
4.0
3.0
1.5
0.3
0.5
0.5
3.0
0.8
1.0
1.0
6.0
1.5
1.5
1.5
0.5
0.7
0.5
1.0
1.4
1.0
2.0
2.8
2.0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
20
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
5
-
-
10
-
-
mA
IF = 10 mA , VCE = 5 V
IF = 10 mA , VCE = 0.4 V
IF = 10 mA , VCE = 10.0 V
IF = 3 mA , VCE = 10.0 V
IF = 10 mA , VCE = 10.0 V, TA = 55° C
IF = 10 mA , VCE = 10.0 V, TA = 100° C
IF = 10 mA , VCE = 10.0 V
IF = 3 mA , VCE = 10.0 V
IF = 10 mA , VCE = 10.0 V, TA = 55° C
IF = 10 mA , VCE = 10.0 V, TA = 100° C
IF = 10 mA , VCE = 10.0 V
IF = 3 mA , VCE = 10.0 V
IF = 10 mA , VCE = 10.0 V, TA = 55° C
IF = 10 mA , VCE = 10.0 V, TA = 100°
IF = 1 mA , VCE = 5.0 V
IF = 2.0 mA , VCE = 5.0 V, TA = 55° C
IF = 2.0 mA , VCE = 5.0 V, TA = 100° C
IF = 1 mA , VCE = 5.0 V
IF = 2.0 mA , VCE = 5.0 V, TA = 55° C
IF = 2.0 mA , VCE = 5.0 V, TA = 100° C
IF = 1 mA , VCE = 5.0 V
IF = 2.0 mA , VCE = 5.0 V, TA = 55° C
IF = 2.0 mA , VCE = 5.0 V, TA = 100° C
VCE(SAT)
Collector-Emier Saturaon Voltage
3C91C, 3C92C (TX, TXV)
3N243, 3N244, 3N245 (TX, TXV)
3N243, 3N244, 3N245 (TX, TXV)
3N243, 3N244, 3N245 (TX, TXV) 3N261,
3N262, 3N263 (TX, TXV)
3N261, 3N262, 3N263 (TX, TXV)
3N261, 3N262, 3N263 (TX, TXV)
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.4
0.3
0.3
0.3
0.3
0.3
0.3
V
IF = 50 mA , IC = 10 mA
IF = 20 mA , IC = 1.50 mA
IF = 20 mA , IC = 3.0 mA
IF = 20 mA , IC = 6.0 mA
IF = 2.0 mA , IC = 0.50 mA
IF = 2.0 mA , IC = 1.0 mA
IF = 2.0 mA , IC = 2.0 mA
tON Turn-on Time
3C91C, 3C92C (TX, TXV)
-
-
9 µs
VCC = 5 V, IC = 2 mA, RL = 100 Ω
tIOFF Turn-o Time
3C91C, 3C92C (TX, TXV))
-
-
6 µs
VCC = 5 V, IC = 2 mA, RL = 100 Ω
Hi-Reliability Optically
Coupled Isolator
© TT electronics plc Issue A 11/2016 Page 5
TT Electronics | Optek Technology, Inc.
1645 Wallace Drive, Ste. 130, Carrollton, TX USA 75006 |Ph: +1 972 323 2200
www.electronics.com | sensors@electronics.com
General Note
TT Electronics reserves the right to make changes in product specicaon without
noce or liability. All informaon is subject to TT Electronics’ own data and is
considered accurate at me of going to print.
Electrical Characteriscs (TA = 25°C unless otherwise noted)
SYMBOL PARAMETER MIN TYP MAX UNITS TEST CONDITIONS
Coupled
CIO
Input-to-Output Capacitance
3C91C, 3C92C (TX, TXV)
3N243, 3N244, 3N245 (TX, TXV) 3N261,
3N262, 3N263 (TX, TXV)
-
-
-
2
-
-
2.5
5.0
5.0
pF
f = 1 MHz
VIO = 0 V, f = 1.00 MHz(1)
VIO = 0 V, f = 1.00 MHz(1)
IIO
Leakage Input -to-Output
3N243, 3N244, 3N245 (TX, TXV) 3N261,
3N262, 3N263 (TX, TXV)
-
-
-
-
100
10
nA
VIO = ± 1.00 kVDC(1)
VIO = ± 1.00 kVDC(1)
RIO Isolaon Resistance
3C91C, 3C92C (TX, TXV)
109
-
- Ω
VIO = +1 kV
tr
Output Rise Time
3N243, 3N244, 3N245 (TX, TXV)
3N261, 3N262 (TX, TXV)
3N263 (TX, TXV)
-
-
-
-
-
-
10
20
25
µs
VCC = 10.0 V, IF = 10.0 mA, RL = 100 Ω(2)VCC =
10.0 V, IF = 5.0 mA, RL = 100 Ω(2)
VCC = 10.0 V, IF = 5.0 mA, RL = 100 Ω(2)
tf
Output Fall Time
3N243, 3N244, 3N245 (TX, TXV)
3N261, 3N262 (TX, TXV)
3N263 (TX, TXV)
-
-
-
-
-
-
10
10
25
µs
VCC = 10.0 V, IF = 10.0 mA, RL = 100 Ω(2)VCC =
10.0 V, IF = 5.0 mA, RL = 100 Ω(2)
VCC = 10.0 V, IF = 5.0 mA, RL = 100 Ω(2)
VF vs IF vs TA
0.50
0.60
0.70
0.80
0.90
1.00
1.10
1.20
1.30
1.40
1.50
010 20 30 40 50
VF (V)
-55
-35
-15
+5
+25
+45
+65
+85
+105
+125
+135
IC(ON) vs IF vs TA
0.0
0.5
1.0
1.5
2.0
2.5
010 20 30 40 50
IF (mA)
IC(ON) (mA)
-55
-35
-15
+5
+25
+45
+65
+85
+105
+125
+135
Notes:
1. Measured with input leads shorted together and output leads shorted together.
2. The input waveform is supplied by a generator with the following characteriscs: ZOUT = 50 Ω, tr ≤ 15 ns, duty cycle ~ 1%, pulse width ~ 100 ms