PHOTOCOUPLER
PS2841-4A,PS2841-4B
WORLD’S SMALLEST CLASS, FOUR CHANNELS
12-PIN ULTRA SHRINK SOP PHOTOCOUPLER
−NEPOC
Series−
DESCRIPTION
The PS2841-4A and PS2841-4B are optically coupled isolators containing GaAs light emitting diodes and NPN
silicon phototransistors.
These products include four channels in a single package for high-density mounting applications.
The PS2841-4A and PS2841-4B are the world's smallest class of photocouplers and realize about 50% reduction in
mounting area compared with the PS280x and PS281x Series.
FEATURES
• Ultra small and thin package
(12-pin ultra shrink SOP, Pin pitch 0.8 mm, 4.4 (L)
×
5.6 (W)
×
2.5 (H))
• Common lead
PS2841-4A: cathode, collector common
PS2841-4B: anode, collector common
• High current transfer ratio (CTR = 200% TYP. @ I
F
= 1mA)
• High isolation voltage (BV = 1 500 Vr.m.s.)
• Pb-Free product
• Ordering number of tape product:
PS2841-4A-F3, F4: 2 500 pcs/reel
PS2841-4B-F3, F4: 2 500 pcs/reel
• Safety standards
• UL approved: File No. E72422
PIN CONNECTIONS
(Top View)
PS2841-4A
12 11 10 9 8 7
1 2 3 4 5 6
Channel Anode
Cathode
Emitter
Collector
1 ch
1, 6 common
11
2
7, 12 common
2 ch
1, 6 common
10
3
7, 12 common
3 ch
1, 6 common
9
4
7, 12 common
4 ch
1, 6 common
8
5
7, 12 common
APPLICATIONS
• Programmable logic controllers (PLCs)
• Input and output for function automation
• Hybrid IC
PIN CONNECTIONS
(Top View)
PS2841-4B
12 11 10 9 8 7
1 2 3 4 5 6
Channel
1 ch
2 ch
3 ch
4 ch
Cathode Emitter
Anode
Collector
2
11
1, 6 common
7, 12 common
3
10
1, 6 common
7, 12 common
4
9
1, 6 common
7, 12 common
5
8
1, 6 common
7, 12 common
Document No. PN10202EJ04V0DS (4th edition)
Date Published May 2006 NS CP(K)
The mark <R> shows major revised points.
The revised points can be easily searched by copying an "<R>" in the PDF file and specifying it in the "Find what:" field.
2001, 2006
PS2841-4A,PS2841-4B
PACKAGE DIMENSIONS (UNIT: mm)
5.6±0.3
12
7
1
6
7.0±0.3
4.4
2.5
+0.3
–0.2
0.1±0.1
0.8
0.15
+0.10
–0.05
0.5±0.3
0.12
M
0.3±0.1
<R>
MARKING EXAMPLE
2841A
NL601
No. 1 pin
Mark
Type Number
*1
Assembly Lot
N L 6 01
*1
Applicable type numbers
are underlined below
PS2841-4A
PS2841-4B
Week Assembled
Year Assembled
(Last 1 Digit)
In-house Code
(L: Pb-Free)
Rank Code
2
Data Sheet PN10202EJ04V0DS
PS2841-4A,PS2841-4B
<R>
ORDERING INFORMATION
Part Number
Order Number
Solder Plating
Specification
PS2841-4A-F3
PS2841-4A-F4
PS2841-4B-F3
PS2841-4B-F4
PS2841-4A-F3-A
PS2841-4A-F4-A
PS2841-4B-F3-A
PS2841-4B-F4-A
Pb-Free
Embossed Tape 2 500 pcs/reel
Packing Style
Safety Standard
Approval
Standard products
(UL Approved)
PS2841-4B
Application Part
Number
PS2841-4A
*1
*1
For the application of the Safety Standard, following part number should be used.
ABSOLUTE MAXIMUM RATINGS (T
A
= 25°C, unless otherwise specified)
Parameter
Diode
Forward Current (DC)
Reverse Voltage
Power Dissipation Derating
Peak Forward Current
Transistor
*1
Symbol
I
F
V
R
Ratings
20
6
0.2
0.5
70
5
20
0.4
40
1 500
–40 to +100
–55 to +125
Unit
mA/ch
V
mA /°C
A/ch
V
V
mA/ch
mW/°C
mW/ch
Vr.m.s.
°C
°C
∆
I
F
/°C
I
FP
V
CEO
V
ECO
I
C
Collector to Emitter Voltage
Emitter to Collector Voltage
Collector Current
Power Dissipation Derating
Power Dissipation
∆
P
C
/°C
P
C
BV
T
A
T
stg
Isolation Voltage
*2
Operating Ambient Temperature
Storage Temperature
*1
PW = 100
µ
s, Duty Cycle = 1%
*2
AC voltage for 1 minute at T
A
= 25°C, RH = 60% between input and output.
Pins 1-6 shorted together, 7-12 shorted together.
Data Sheet PN10202EJ04V0DS
3
PS2841-4A,PS2841-4B
ELECTRICAL CHARACTERISTICS (T
A
= 25°C)
Parameter
Diode
Forward Voltage
Reverse Current
Terminal Capacitance
Transistor
Coupled
Collector to Emitter Current
Current Transfer Ratio (I
C
/I
F
)
Optical Leakage Current
*1
Symbol
V
F
I
R
C
t
I
CEO
CTR
I
L
I
F
= 1 mA
V
R
= 5 V
Conditions
MIN.
0.9
TYP.
1.1
MAX.
1.2
10
Unit
V
µ
A
pF
V = 0 V, f = 1 MHz
I
F
= 0 mA, V
CE
= 24 V
I
F
= 1 mA, V
CE
= 0.4 V
I
F
= 5 mA, V
CE
= 24 V
100
15
100
200
400
100
nA
%
nA
(1 to 2-ch, 2 to 3-ch, 3 to 4-ch)
Collector Saturation Voltage
Isolation Resistance
Isolation Capacitance
Turn-on Time
Turn-off Time
*2
*2
V
CE (sat)
R
I-O
C
I-O
t
on
t
off
I
F
= 1 mA, I
C
= 0.2 mA
V
I-O
= 1 kV
DC
V = 0 V, f = 1 MHz
V
CC
= 5 V, I
F
= 1 mA, R
L
= 5 kΩ
10
11
0.13
0.3
V
Ω
0.4
20
110
pF
µ
s
*1
The optically induced leakage current is current which can be measured at transistor if LED = ”ON” and LED =
”OFF”.
LED of channel 1 is switched to ”ON”.
At Tr-output of channel 2 a voltage is applied and one can measure a current between emitter and collector.
This is leakage current (at I
F
= 5 mA, V
CEO
= 24 V).
Measurement circuits for optical leakage current
E.g. : In the case of 1 to 2-ch (PS2841-4A)
I
F
1
2
3
4
5
6
12
11
10
9
8
7
A
I
L
*2
Test circuit for switching time
Pulse Input
PW = 100
µ
s
Duty cycle = 1/10
I
F
In monitor
50
Ω
R
L
= 5 kΩ
V
OUT
V
CC
4
Data Sheet PN10202EJ04V0DS
PS2841-4A,PS2841-4B
TYPICAL CHARACTERISTICS (T
A
= 25°C, unless otherwise specified)
MAXIMUM FORWARD CURRENT vs.
AMBIENT TEMPERATURE
Transistor Power Dissipation P
C
(mW)
40
70
60
50
40
0.4 mA/˚C
30
20
10
0
25
50
75
100
125
TRANSISTOR POWER DISSIPATION
vs. AMBIENT TEMPERATURE
Maximum Forward Current I
F
(mA)
30
20
0.2 mA/˚C
10
0
25
50
75
100
Ambient Temperature T
A
(˚C)
Ambient Temperature T
A
(˚C)
FORWARD CURRENT vs.
FORWARD VOLTAGE
100
COLLECTOR CURRENT vs.
COLLECTOR TO EMITTER VOLTAGE
20
18
10
T
A
= +100˚C
+60˚C
+25˚C
Collector Current I
C
(mA)
Forward Current I
F
(mA)
16
I
F
= 10 mA
14
12
10
8
6
4
2
1 mA
0.5 mA
1
0˚C
–25˚C
–40˚C
5 mA
2 mA
0.1
0.01
0.0
0.5
1.0
1.5
2.0
0
1
2
3
4
5
6
7
8
9
10
Forward Voltage V
F
(V)
Collector to Emitter Voltage V
CE
(V)
COLLECTOR TO EMITTER DARK
CURRENT vs. AMBIENT TEMPERATURE
Collector to Emitter Dark Current I
CEO
(nA)
10 000
COLLECTOR CURRENT vs.
COLLECTOR SATURATION VOLTAGE
100
CTR = 160%
Collector Current I
C
(mA)
1 000
V
CE
= 24 V
70 V
100
10
10 mA
5 mA
2 mA
1 mA
1
I
F
= 0.5 mA
10
1
–25
0
25
50
75
100
0.1
0.0
0.2
0.4
0.6
0.8
1.0
Ambient Temperature T
A
(˚C)
Collector Saturation Voltage V
CE(sat)
(V)
Remark
The graphs indicate nominal characteristics.
Data Sheet PN10202EJ04V0DS
5
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