R08DS0203EJ0100 Rev.1.00 Page 1 of 12
Dec 25, 2020
Data Sheet
PS2502-1, -4, PS2502L-1, -4
HIGH ISOLATION VOLTAGE DARLINGTON TRANSISTOR TYPE
DESCRIPTION
The PS2502-1, -4 and PS2502L-1, -4 are optically coupled isolators containing a GaAs light emitting diode
and an NPN silicon darlington connected phototransistor.
The PS2502-1, -4 are in a plastic DIP (Dual In-line Package) and the PS2502L-1, -4 are lead bending type
(Gull-wing) for surface mount.
FEATURES
High isolation voltage (BV = 5 000 Vr.m.s.)
High current transfer ratio (CTR = 2 000 % TYP.)
High-speed switching (tr, tf = 100
s TYP.)
Ordering number of taping product: PS2502L-1-F3 : 2 000 pcs/reel
Pb-Free product
Safety standards
UL approved: UL1577, Double protection
APPLICATIONS
Power supply
Telephone/FAX.
FA/OA equipment
Programmable logic controller
R08DS0203EJ0100
Rev.1.00
Dec 25, 2020
PIN CONNECTION
(Top View)
PS2502-1, PS2502L-1
PS2502-4, PS2502L-4
1. Anode
2. Cathode
3. Emitter
4. Collector
1 2
4 3
1, 3, 5, 7. Anode
2, 4, 6, 8. Cathode
9, 11, 13, 15. Emitter
10, 12, 14, 16. Collector
1 2 3 4 5 6 7 8
16 15 14 13 12 11 10 9
PS2502-1, -4, PS2502L-1, -4
R08DS0203EJ0100 Rev.1.00 Page 2 of 12
Dec 25, 2020
PACKAGE DIMENSIONS (UNIT: mm)
DIP Type
Lead Bending Type For Surface Mount
Weight (4-pin DIP)：0.26 g (typ.)
Weight (16-pin DIP)：1.02 g (typ.)
PHOTOCOUPLER CONSTRUCTION
Parameter Unit (mm)
Air Distance (MIN.) 7
Creepage Distance (MIN.) 7
Isolation Distance (MIN.) 0.3
PS2502-4PS2502-1
19.8±0.5
6.5±0.5
3.5±0.3
4.15±0.43.2±0.4
2.54
1.25±0.15
0.50±0.10
0.25 M
0 to 15°
7.62
0.25
+0.1
–0.05
3.5±0.3
4.15±0.43.2±0.4
2.54
1.25±0.15
0.50±0.10
0.25 M
4.6±0.35
6.5±0.5
0 to 15°
7.62
0.25
+0.1
–0.05
1 2
4 3
1 8
16 9
PS2502L-4
19.8±0.5
6.5±0.5
2.54
1.25±0.15
0.25 M
3.5±0.3
0.15
0.9±0.25
9.60±0.4
0.25
+0.1
–0.05
0.1
+0.1
–0.05
PS2502L-1
0.25 M
4.6±0.35
6.5±0.5
3.5±0.3
2.54
1.25±0.15
0.15
0.9±0.25
9.60±0.4
0.25
+0.1
–0.05
0.1
+0.1
–0.05
1 2
4 3
1 8
16 9