Data Sheet PS2503-1, PS2503L-1 R08DS0204EJ0100 Rev.1.00 LOW INPUT CURRENT, HIGH SPEED SWITCHING Dec 25, 2020 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.) PIN CONNECTION Ordering number of taping product: PS2503L-1-F3 : 2 000 pcs/reel (Top View) Pb-Free product Safety standards 4 3 UL approved: UL1577, Double protection 1. Anode CSA approved: CAN/CSA-C22.2 No. 62368-1, Reinforced insulation 2. Cathode 3. Emitter 4. Collector 1 2 APPLICATIONS Measurement equipment Programmable logic controller Telephone/Telegraph Receiver Power supply R08DS0204EJ0100 Rev.1.00 Page 1 of 12 Dec 25, 2020 PS2503-1, PS2503L-1 PACKAGE DIMENSIONS (UNIT: mm) DIP Type PS2503-1 4.60.35 4 3 1 2 7.62 0 to 15 +0.1 0.25 0.05 1.250.15 0.500.10 0.25 M 2.54 Lead Bending Type For Surface Mount PS2503L-1 4.60.35 4 3 1 2 1.250.15 0.90.25 0.25 M 9.600.4 2.54 0.15 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 R08DS0204EJ0100 Rev.1.00 Page 2 of 12 Dec 25, 2020 3.20.4 4.150.4 6.50.5 3.50.3 6.50.5 3.50.3 +0.1 0.25 0.05 +0.1 0.1 0.05