VISHAY K844P, K824P, K814P Datasheet
K814P/ K824P/ K844P
Optocoupler with Phototransistor Output
Description
The K814P/ K824P/ K844P consist of a phototransistor optically coupled to 2 gallium arsenide
infrared-emitting diodes (reversed polarity) in an
4-lead up to 16-lead plastic dual inline package.
The elements are mounted on one leadframe using
a coplanar technique, providing a fixed distance
between input and output for highest safety
requirements.
Applications
Feature phones, answering machines, PABX,
fax machines
Vishay Telefunken
14925
Coll. Emitter
Features
D
Endstackable to 2.54 mm (0.1’) spacing
D
DC isolation test voltage V
D
Low coupling capacitance of typical 0.3 pF
D
Current Transfer Ratio (CTR) of typical 100%
D
Low temperature coefficient of CTR
D
Wide ambient temperature range
D
Underwriters Laboratory (UL) 1577 recognized,
file number E-76222
D
CSA (C–UL) 1577 recognized, file number
E-76222 – Double Protection
D
Coupling System U
= 5 kV
IO
Anode Cath.
4 PIN
8 PIN
16 PIN
C
Order Instruction
Ordering Code CTR Ranking Remarks
K814P < 20% 4 Pin Single channel
K824P < 20% 8 Pin Dual channel
K844P < 20% 16 Pin Quad channel
13947
Rev. A4, 11–Jan–99 161
K814P/ K824P/ K844P
Vishay Telefunken
Absolute Maximum Ratings
Input (Emitter)
Parameter Test Conditions Symbol Value Unit
Reverse voltage V
Forward current I
Forward surge current tp ≤ 10 ms I
Power dissipation T
Junction temperature T
Output (Detector)
Parameter Test Conditions Symbol Value Unit
Collector emitter voltage V
Emitter collector voltage V
Collector current I
Peak collector current tp/T = 0.5, tp ≤ 10 ms I
Power dissipation T
Junction temperature T
≤ 25°C P
amb
≤ 25°C P
amb
R
F
FSM
V
CEO
ECO
C
CM
V
6 V
±60 mA
±1.5 A
100 mW
j
125
°
C
70 V
7 V
50 mA
100 mA
150 mW
j
125
°
C
Coupler
Parameter Test Conditions Symbol V alue Unit
AC Isolation test voltage (RMS) t = 1 min VIO
Total power dissipation T
Operating ambient temperature
range
Storage temperature range T
Soldering temperature 2 mm from case, t ≤ 10 s T
1)
Related to standard climate 23/50 DIN 50014
≤ 25°C P
amb
T
tot
amb
stg
sd
1)
5 kV
250 mW
–40 to +100
–55 to +125
260
°
C
°
C
°
C
Rev. A4, 11–Jan–99162
K814P/ K824P/ K844P
Vishay Telefunken
Electrical Characteristics (T
amb
= 25°C)
Input (Emitter)
Parameter Test Conditions Symbol Min. Typ. Max. Unit
Forward voltage IF = ±50 mA V
Reverse current VR = ±6 V I
Output (Detector)
Parameter Test Conditions Symbol Min. Typ. Max. Unit
Collector emitter voltage IC = 100 mA V
Emitter collector voltage IE = 100 mA V
Collector dark current VCE = 20 V, IF = 0, E = 0 I
Coupler
Parameter Test Conditions Symbol Min. Typ. Max. Unit
Collector emitter
saturation voltage
Cut-off frequency IF = ± 10 mA, VCE = 5 V,
Coupling capacitance f = 1 MHz C
IF = ± 10 mA, IC = 1 mA V
R
L
= 100
W
F
R
CEO
ECO
CEO
CEsat
f
c
k
1.25 1.6 V
10
70 V
7 V
100 nA
0.3 V
100 kHz
0.3 pF
m
A
Current Transfer Ratio (CTR)
Parameter Test Conditions Type Symbol Min. Typ. Max. Unit
IC/I
F
VCE = 5 V, IF = ± 5 mA CTR 0.2 3.0
Rev. A4, 11–Jan–99 163
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