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Fairchild Semiconductor |
February 2007
FODM121 Series, FODM124, FODM2701 Series, FODM2705
4-Pin Full Pitch Mini-Flat Package Transistor Output
Optocouplers
Features
Applications
■ >5mm creepage/clearance
■ Compact 4-pin surface mount package
(2.4mm maximum standoff height)
■ Current Transfer Ratio in selected groups
DC Input:
FODM121: 50–600% FODM2701: 50–300%
FODM121A: 100–300% FODM2701A: 150–300%
FODM121B: 50–150% FODM2701B: 80–160%
FODM121C: 100–200% FODM124: 100% MIN
FODM121D: 50–100%
FODM121E: 150–300%
FODM121F: 100–600%
FODM121G: 200–400%
AC Input:
FODM2705: 50–300%
■ Digital logic inputs
■ Microprocessor inputs
■ Power supply monitor
■ Twisted pair line receiver
■ Telephone line receiver
Description
The FODM124, FODM121, and FODM2701 series con-
sists of a gallium arsenide infrared emitting diode driving
a phototransistor in a compact 4-pin mini-flat package.
The lead pitch is 2.54 mm. The FODM2705 series con-
sists of two gallium arsenide infrared emitting diodes
connected in inverse parallel for AC operation.
■ Available in tape and reel quantities of 500 and 2500
■ Applicable to Infrared Ray reflow
(260°C max, 10 seconds)
■ C-UL, UL and VDE* certifications
www.DataSheet4U.com
*option ‘V’ required
Package Dimensions
4.40±0.20
2.54
2.00±0.20
3.85±0.20
0.10±0.10
0.40±0.10
Note:
All dimensions are in millimeters.
©2006 Fairchild Semiconductor Corporation
FODMX Rev. 1.0.7
5.30±0.30
7.00
+0.2
–0.7
ANODE 1
4 COLLECTOR
CATHODE 2
3 EMITTER
Equivalent Circuit
FODM121, FODM124, FODM2701
0.20±0.05
ANODE 1
4 COLLECTOR
CATHODE 2
3 EMITTER
Equivalent Circuit
FODM2705
1 www.fairchildsemi.com
Absolute Maximum Ratings (TA = 25°C unless otherwise specified)
Symbol
Parameter
TOTAL PACKAGE
TSTG
TOPR
EMITTER
Storage Temperature
Operating Temperature
IF (avg)
IF (pk)
VR
PD
Continuous Forward Current
Peak Forward Current (1µs pulse, 300 pps.)
Reverse Input Voltage
Power Dissipation
Derate linearly (above 25°C)
DETECTOR
Continuous Collector Current
PD Power Dissipation
Derate linearly (above 25°C)
VCEO
Collector-Emitter Voltage
FODM2701 Series, FODM2705
FODM121 Series, FODM124
VECO
Emitter-Collector Voltage
Value
-40 to +125
-40 to +110
50
1
6
70
0.65
80
150
2.0
40
80
7
Units
°C
°C
mA
A
V
mW
mW/°C
mA
mW
mW/°C
V
V
Electrical Characteristics (TA = 25°C)
Individual Component Characteristics
Symbol Parameter
Test Conditions
EMITTER
VF Forward Voltage
IF = 10mA
IR Reverse Current
IF = 5mA
IF = ±5mA
VR = 5V
DETECTOR
BVCEO Breakdown Voltage
Collector to Emitter
IC = 1mA, IF = 0
BVECO
ICEO
CCE
Emitter to Collector
Collector Dark
Current
Capacitance
IE = 100µA, IF = 0
VCE = 40V, IF = 0
VCE = 0V, f = 1MHz
Device
FODM121 Series
FODM124
FODM2701 Series
FODM2705
FODM2701 Series
FODM121 Series
FODM124
FODM121 Series
FODM124
FODM2701 Series
FODM2705
All
All
All
Min. Typ.* Max.
1.0 1.3
1.4
5
80
40
7–
100
10
Unit
V
µA
V
V
nA
pF
FODMX Rev. 1.0.7
2 www.fairchildsemi.com
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