Agilent 4N25
Phototransistor Optocoupler
General Purpose Type
Data Sheet
Features
•
Response time (t : typ., 3 µs at
r
V
= 10 V, I = 2 mA, R = 100 Ω)
CE
C
L
•
Current Transfer Ratio
(CTR: min. 20% at I = 10 mA,
F
V
CE
= 10 V)
Description
Ordering Information
The 4N25 is an optocoupler for
general purpose applications. It
contains a light emitting diode
optically coupled to a photo-
transistor. It is packaged in a 6-pin
DIP package and available in wide-
lead spacing option and lead bend
Specify part number followed by
Option Number (if desired).
•
Input-output isolation voltage
(V = 2500 Vrms)
iso
•
•
•
•
Dual-in-line package
UL approved
CSA approved
IEC/EN/DIN EN 60747-5-2
approved
Optionsavailable:
– 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)
4N25-XXXE
Lead Free
Option Number
SMD option. Response time, t , is
r
•
typically 3 µs and minimum CTR is
20% at input current of 10 mA.
000 = No Options
060 = IEC/EN/DIN EN 60747-5-2
Option
W00 = 0.4" Lead Spacing Option
300 = Lead Bend SMD Option
500 = Tape and Reel Packaging
Option
Functional Diagram
PIN NO. AND INTERNAL
CONNECTION DIAGRAM
Schematic
Applications
•
•
I/O interfaces for computers
System appliances, measuring
instruments
6 5 4
I
1
+
F
6
ANODE
BASE
V
•
Signal transmission between
circuits of different potentials and
impedances
F
–
2
CATHODE
I
C
5
4
COLLECTOR
EMITTER
1
2
3
1. ANODE
2. CATHODE
3. NC
4. EMITTER
5. COLLECTOR
6. BASE
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.