DATA SHEET
PHOTOCOUPLER
PS2521-1,-2,-4,PS2521L-1,-2,-4
LARGE FORWARD INPUT TYPE
HIGH ISOLATION VOLTAGE
MULTI PHOTOCOUPLER SIRIES
DESCRIPTION
The PS2521-1, -2, -4 and PS2521L-1, -2, -4 are optically coupled isolators containing a GaAs light emitting diode
and an NPN silicon phototransistor.
The PS2521-1, -2, -4 are in a plastic DIP (Dual In-line Package) and the PS2521L-1, -2, -4 are lead bending type
(Gull-wing) for surface mount.
−NEPOC
TM
Series−
FEATURES
• Large forward input current (I
F
= 150 mA)
• High Isolation voltage (BV = 5 000 Vr.m.s.)
• High collector to emitter voltage (V
CEO
= 80 V)
• High-speed switching (t
r
= 3
µ
s TYP., t
f
= 5
µ
s TYP.)
• Ordering number of taping product: PS2521L-1-E3, E4, F3, F4, PS2521L-2-E3, E4
• UL approved: File No. E72422 (S)
APPLICATIONS
• Exchange equipment
• FAX/MODEM
• LCR adapter
The information in this document is subject to change without notice.
Document No. P11432EJ3V0DS00 (3rd edition)
Date Published December 1997 NS CP(K)
Printed in Japan
The mark
•
shows major revised points.
©
1993
PS2521-1,-2,-4,PS2521L-1,-2,-4
PACKAGE DIMENSIONS (in millimeters)
DIP type
PS2521-1
TOP VIEW
5.1 MAX.
4
3
PS2521-2
TOP VIEW
10.2 MAX.
8
7
6
5
1
2
1. Anode
2. Cathode
3. Emitter
4. Collector
7.62
6.5
3.8 MAX.
2.8 MIN. 4.55 MAX.
2.8 MIN. 4.55 MAX.
3.8 MAX.
1
2
3
4
1, 3. Anode
2, 4. Cathode
5, 7. Emitter
6, 8. Collector
7.62
6.5
0.65
2.54
0.50±0.10
0.25
M
0.65
1.25±0.15
0 to 15˚
1.25±0.15
0.50±0.10
0.25
M
2.54
0 to 15˚
PS2521-4
TOP VIEW
20.3 MAX.
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
1, 3, 5, 7. Anode
2, 4, 6, 8. Cathode
9, 11, 13, 15. Emitter
10, 12, 14, 16. Collector
7.62
6.5
8
2.8 MIN. 4.55 MAX.
0.65
3.8 MAX.
1.25±0.15
0.50±0.10
0.25
M
2.54
0 to 15˚
2
PS2521-1,-2,-4,PS2521L-1,-2,-4
Lead bending type
PS2521L-1
TOP VIEW
5.1 MAX.
4
3
10.2 MAX.
PS2521L-2
TOP VIEW
8
7
6
5
1
2
1. Anode
2. Cathode
3. Emitter
4. Collector
7.62
6.5
3.8 MAX.
1
2
3
4
1, 3. Anode
2, 4. Cathode
5, 7. Emitter
6, 8. Collector
7.62
6.5
0.05 to 0.2
2.54
1.25±0.15
0.25
M
0.9±0.25
9.60±0.4
3.8 MAX.
2.54
1.25±0.15
0.25
M
0.9±0.25
9.60±0.4
PS2521L-4
TOP VIEW
20.3 MAX.
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
1, 3, 5, 7. Anode
2, 4, 6, 8. Cathode
9, 11, 13, 15. Emitter
10, 12, 14, 16. Collector
7.62
6.5
8
3.8 MAX.
1.25±0.15
0.25
M
2.54
0.9±0.25
9.60±0.4
0.05 to 0.2
0.05 to 0.2
3
PS2521-1,-2,-4,PS2521L-1,-2,-4
ABSOLUTE MAXIMUM RATINGS (T
A
= 25 °C, unless otherwise specified)
Ratings
Parameter
Symbol
PS2521-1,
PS2521L-1
PS2521-2, -4,
PS2521L-2, -4
Unit
Diode
Forward Current (DC)
Reverse Voltage
Power Dissipation Derating
Power Dissipation
Peak Forward Current
*1
I
F
V
R
150
6.0
2.5
250
1
80
6
50
1.5
150
5 000
−55
to +100
−55
to +150
1.2
120
2.0
200
mA
V
mW/°C
mW/ch
A
V
V
mA/ch
mW/°C
mW/ch
Vr.m.s.
°C
°C
∆
P
D
/°C
P
D
I
FP
V
CEO
V
ECO
I
C
Transistor
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
4
PS2521-1,-2,-4,PS2521L-1,-2,-4
ELECTRICAL CHARACTERISTICS (T
A
= 25 °C)
Parameter
Diode
Forward Voltage
Reverse Current
Terminal Capacitance
Transistor
Coupled
Collector to Emitter
Dark Current
Current Transfer Ratio
Collector Saturation
Voltage
Isolation Resistance
Isolation Capacitance
Rise Time
Fall Time
*1
Symbol
V
F
I
R
C
t
I
CEO
CTR
V
CE (sat)
R
I-O
C
I-O
t
r
t
f
I
F
= 100 mA
V
R
= 5 V
Conditions
MIN.
TYP.
1.3
MAX.
1.7
5
Unit
V
µ
A
pF
V = 0 V, f = 1.0 MHz
V
CE
= 80 V, I
F
= 0 mA
I
F
= 100 mA, V
CE
= 3 V
I
F
= 100 mA, I
C
= 4 mA
V
I-O
= 1.0 kV
DC
V = 0 V, f = 1.0 MHz
V
CC
= 10 V, I
C
= 2 mA, R
L
= 100
Ω
10
11
70
100
20
80
0.3
nA
%
V
Ω
0.6
3
5
pF
µ
s
*1
*1
Test circuit for switching time
Pulse input
(PW = 100
µ
s,
Duty cycle = 1/10)
I
F
50
Ω
V
OUT
R
L
= 100
Ω
V
CC
5
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