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What is 4N35?

This electronic component, produced by the manufacturer "Avago", performs the same function as "Phototransistor Optocoupler General Purpose Type".


4N35 Datasheet PDF - Avago

Part Number 4N35
Description Phototransistor Optocoupler General Purpose Type
Manufacturers Avago 
Logo Avago Logo 


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4N35
Phototransistor Optocoupler General Purpose Type
Data Sheet
Lead (Pb) Free
RoHS 6 fully
compliant
RoHS 6 fully compliant options available;
-xxxE denotes a lead-free product
Description
The 4N35 is an optocoupler for general purpose applica-
tions. It contains a light emitting diode optically coupled
to a photo-transistor. It is packaged in a 6-pin DIP pack-
age and available in wide-lead spacing option and lead
bend SMD option. Response time, tr, is typically 3 µs and
minimum CTR is 100% at input current of 10 mA.
Applications
I/O interfaces for computers
System appliances, measuring instruments
Signal transmission between circuits of different
potentials and impedances
Functional Diagram
PIN NO. AND INTERNAL
CONNECTION DIAGRAM
6 54
1 23
1. ANODE
2. CATHODE
3. NC
4. EMITTER
5. COLLECTOR
6. BASE
Features
High Current Transfer Ratio
(CTR: min. 100% at IF = 10 mA, VCE = 10 V)
Response time
(tr: typ., 3 µs at VCE = 10 V, IC = 2 mA, RL = 100 )
Input-output isolation voltage
(Viso = 3550 Vrms)
Dual-in-line package
UL approved
CSA approved
IEC/EN/DIN EN 60747-5-2 approved
Options available:
– Leads with 0.4" (10.16 mm) spacing (W00)
– Leads bends for surface mounting (300)
– Tape and reel for SMD (500)
– IEC/EN/DIN EN 60747-5-2 approvals (060)
Schematic
ANODE
1
+
VF
IF
CATHODE
2
6
BASE
IC 5
COLLECTOR
4
EMITTER
CAUTION: It is advised that normal static precautions be taken in handling and assembly
of this component to prevent damage and/or degradation which may be induced by ESD.

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4N35 equivalent
Electrical Specifications (TA = 25˚C)
Parameter
Symbol Min. Typ. Max. Units
Forward Voltage
VF
1.2 1.5 V
Reverse Current
IR – – 10 µA
Terminal Capacitance
Ct
50 – pF
Collector Dark Current
ICEO – – 50 nA
– – 500 µA
Collector-Emitter Breakdown Voltage
BVCEO
30
V
Emitter-Collector Breakdown Voltage
BVECO
7
– V
Collector-Base Breakdown Voltage
BVCBO
70
– V
Collector Current
IC 10 –
– mA
*Current Transfer Ratio
CTR 100
– ­
– %
Collector-Emitter Saturation Voltage
VCE(sat) – – 0.3 V
Response Time (Rise)
tr – 3 10 µs
Response Time (Fall)
tf – 3 10 µs
Isolation Resistance
Riso 5 x 1010 1 x 1011
Floating Capacitance
Cf – 1 2.5 pF
* CTR = IICFx 100%
Test Conditions
IF = 10 mA
VR = 4 V
V = 0, f = 1 KHz
VCE = 10 V, IF = 0, TA = 25˚C
VCE = 30 V, IF = 0, TA = 100˚C
IC = 0.1 mA, IF = 0
IE = 10 µA, IF = 0
IC = 0.1 mA, IF = 0
IF = 10 mA
VCE = 10 V
IF = 50 mA, IC = 2 mA
VCC = 10 V, IC = 2 mA
RL = 100
DC 500 V
40 ~ 60% R.H.
V = 0, f = 1 MHz
100
80
60
40
20
0
-55 -25 0 25 50 75 100 125
TA – AMBIENT TEMPERATURE – °C
400
300
200
100
0
-55 -25 0 25 50 75 100 125
TA – AMBIENT TEMPERATURE – °C
500
TA = 75°C
200 TA = 50°C
100 TA = 25°C
50
TA = 0°C
TA = -25°C
20
10
5
2
1
0 0.5 1.0 1.5 2.0 2.5 3.0
VF – FORWARD VOLTAGE – V
Figure 1. Forward current vs. temperature.
4N35 fig 1
Figure 2. Collector power dissipation vs. temperature.
4N35 fig 2
Figure 3. Forward current vs. forward voltage.
4N35 fig 3


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4n35-optocoupler


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