V
I
0
0
t
on
t
off
10%
90%
Fig. 2 Switching Test Waveforms
+V
CC
V
O
V
I
R
L
50
Fig. 1 Switching Test Circuit
V
O
Fig. 3 LED Forward Voltage vs. Forward Current
Fig. 5 Normalized CTR vs. Temperature
Fig. 6 CTR vs. RBE (Unsaturated)
Fig. 4 Normalized CTR vs. Forward Current
I
F
- LED FORWARD CURRENT (mA)
1 10 100
V
F
- FORWARD VOLTAGE (V)
1.0
1.2
1.4
1.6
1.8
T
A
= -55
o
C
T
A
= 25
o
C
T
A
= 100
o
C
FORWARD CURRENT - I
F
(mA)
0 5 10 15 20
NORMALIZED CTR
0.0
0.5
1.0
1.5
Normalized to
I
F
= 10mA
V
CE
= 5.0V
T
A
= 25
o
C
AMBIENT TEMPERATURE T
A
- (
o
C)
-75 -50 -25 0 25 50 75 100 125
NORMALIZED CTR
0.2
0.4
0.6
0.8
1.0
1.2
Normalized To CTR at:
I
F
=10mA
V
CE
= 5V
T
A
= 25
o
C
I
F
= 10mA
I
F
= 5mA
I
F
= 20mA
R
BE
- BASE RESISTANCE (k Ω)
10 100 1000
NORMALIZED CTR ( CTR
RBE
/ CTR
RBE(OPEN)
)
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
V
CE
= 5.0V
I
F
= 20mA
I
F
= 10mA
I
F
= 5mA
www.fairchildsemi.com 4 OF 8 5/23/01 DS300401
6-PIN PHOTOTRANSISTOR
OPTOCOUPLERS
CNX35U CNX36U CNX38U CNX39U
Fig. 7 CTR vs. RBE (Saturated)
Fig. 8 Normalized t
on
vs. R
BE
Fig. 9 Normalized t
off
vs. R
BE
Fig. 10 Switching Speed vs. Load Resistor
R
BE
- BASE RESISTANCE (k Ω)
10 100 1000
NORMALIZED CTR ( CTR
RBE
/ CTR
RBE(OPEN)
)
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
I
F
= 20mA
I
F
= 10mA
I
F
= 5mA
V
CE
= 0.3V
R
BE
- BASE RESISTANCE (k )
10 100 1000 10000 100000
NORMALIZED t
on
- (t
on(R
BE
)
/ t
on(open)
)
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
V
CC
= 10V
I
C
= 2mA
R
L
= 100
R
BE
- BASE RESISTANCE (k )
10 100 1000 10000
NORMALIZED t
off
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
V
CC
= 10V
I
C
= 2mA
R
L
= 100
NORMALIZED TO t
off
AT RBE = OPEN
R
L
- LOAD RESISTOR (k)
0.1 1 10 100
SWITCHING SPEED - (
µ
s)
0.1
1
10
100
1000
V
CC
= 10V
I
C
= 2mA
R
L
= 100
T
off
T
f
T
on
T
r
Fig. 11 Collector-Emitter Saturation Voltage
as a Function of Collector Current
I
C
- (mA)
0.01 0.1 1 10
V
CEsat
- (V)
0.001
0.01
0.1
1
10
I
B
= 0; T
A
= 25
o
C
I
F
= 2.5mA
I
F
= 10mA
I
F
= 5mA
I
F
= 20mA
DS300401 5/23/01 5 OF 8 www.fairchildsemi.com
6-PIN PHOTOTRANSISTOR
OPTOCOUPLERS
CNX35U CNX36U CNX38U CNX39U
NOTE
All dimensions are in inches (millimeters)
Lead Coplanarity : 0.004 (0.10) MAX
0.270 (6.86)
0.240 (6.10)
0.350 (8.89)
0.330 (8.38)
0.300 (7.62)
TYP
0.405 (10.30)
MAX
0.315 (8.00)
MIN
0.016 (0.40) MIN
2
5
PIN 1
ID.
0.016 (0.41)
0.008 (0.20)
0.100 (2.54)
TYP
0.022 (0.56)
0.016 (0.41)
0.070 (1.78)
0.045 (1.14)
0.200 (5.08)
0.165 (4.18)
4
3
0.020 (0.51)
MIN
1
6
0.100 (2.54)
TYP
0.020 (0.51)
MIN
0.350 (8.89)
0.330 (8.38)
0.270 (6.86)
0.240 (6.10)
PIN 1
ID.
0.022 (0.56)
0.016 (0.41)
0.070 (1.78)
0.045 (1.14)
0.200 (5.08)
0.135 (3.43)
0.300 (7.62)
TYP
0° to 15°
0.154 (3.90)
0.100 (2.54)
SEATING PLANE
0.016 (0.40)
0.008 (0.20)
SEATING PLANE
0.016 (0.40)
0.008 (0.20)
0.070 (1.78)
0.045 (1.14)
0.350 (8.89)
0.330 (8.38)
0.154 (3.90)
0.100 (2.54)
0.200 (5.08)
0.135 (3.43)
0.004 (0.10)
MIN
0.270 (6.86)
0.240 (6.10)
0.400 (10.16)
TYP
0° to 15°
0.022 (0.56)
0.016 (0.41)
0.100 (2.54) TYP
0.070 (1.78)
0.060 (1.52)
0.030 (0.76)
0.100 (2.54)
0.295 (7.49)
0.415 (10.54)
Package Dimensions (Surface Mount)Package Dimensions (Through Hole)
Package Dimensions (0.4”Lead Spacing) Recommended Pad Layout for
Surface Mount Leadform
6-PIN PHOTOTRANSISTOR
OPTOCOUPLERS
www.fairchildsemi.com 6 OF 8 5/23/01 DS300401
CNX35U CNX36U CNX38U CNX39U

CNX36U

Mfr. #:
Manufacturer:
ON Semiconductor / Fairchild
Description:
Transistor Output Optocouplers Optocoupler Hi Bvceo Phototransistor
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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