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
NEC [ NEC ]
