R08DS0204EJ0100 Rev.1.00 Page 1 of 12
Dec 25, 2020
Data Sheet
PS2503-1, PS2503L-1
LOW INPUT CURRENT, HIGH SPEED SWITCHING
DESCRIPTION
The PS2503-1 and PS2503L-1 are optically coupled isolator containing a GaAs light emitting diode and an
NPN silicon phototransistor.
The PS2503-1 is in a plastic DIP (Dual In-line Package) and the PS2503L-1 is lead bending type (Gull-wing)
for surface mount.
FEATURES
High isolation voltage (BV = 5 000 Vr.m.s.)
High-speed switching (tr = 20
s TYP., tf = 30
s TYP.)
Ordering number of taping product: PS2503L-1-F3 : 2 000 pcs/reel
Pb-Free product
Safety standards
UL approved: UL1577, Double protection
CSA approved: CAN/CSA-C22.2 No. 62368-1, Reinforced insulation
APPLICATIONS
Measurement equipment
Programmable logic controller
Telephone/Telegraph Receiver
Power supply
R08DS0204EJ0100
Rev.1.00
Dec 25, 2020
PIN CONNECTION
(Top View)
1. Anode
2. Cathode
3. Emitter
4. Collector
1 2
4 3
PS2503-1, PS2503L-1
R08DS0204EJ0100 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.)
PHOTOCOUPLER CONSTRUCTION
Parameter PS2503-1, PS2503L-1
Air Distance (MIN.) 7 mm
Creepage Distance (MIN.) 7 mm
Isolation Distance (MIN.) 0.3 mm
PS2503-1
3.5±0.3
4.15±0.43.2±0.4
2.54
1.25±0.15
0.50±0.10
0.25M
4.6±0.35
6.5±0.5
0 to 15°
7.62
0.25
+0.1
–0.05
1 2
4 3
PS2503L-1
0.25
M
4.6±0.35
6.5±0.5
3.5±0.3
2.54
1.25±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
0.15