PMMAD1105

www.DataSheet4U.com ® ® . . . . . Engineered solutions for the transient environment PMMAD SERIES STEERING DIODE (RAIL CLAMP) ARRA Y APPLICATIONS q q q q q High Frequency Data Lines RS-232 & RS-422 Interface Networks 10 Base T Networks LAN/ WAN Computer I/O Ports IEC 1000-4 COMPATIBLE SO-14 PACKAGE FEATURES q q q q q q IEC 1000-4-2, -4 & -5 Industry Requirements Designed for Rail Clamp Protection ESD Protection > 40 kilovolts Working Voltage > 50 Volts UL 94V-0 Flammability Classification Available in Standard SO-14 Surface Mount Package RAIL CLAMP CIRCUIT + I/O Port GND or (-) DESCRIPTION This series is designed with discrete diodes for complete isolation. Each diode can be individually tested according to the electrical characteristics. For transient voltage protection, two diodes are configured in series with the anode of one connect to the cathode of the other diode (See Rail Clamp Circuit). SEE DIAGRAMS ON FOLLOWING PAGE. MAXIMUM RATINGS @ 25°C Ambient Temperature (unless specified) IPP - Peak Pulse Current - % of IPP FIGURE 1 PULSE WAVE FORM tf Peak Value IPP 100 TEST WAVEFORM PARAMETERS tf = 8 µs td = 20µs Continuous Power Dissipation Operating & Storage Temperature Continuous Forward Current 500mW -65° to +150 °C 400mA MECHANICAL CHARACTERISTICS Package Packaging Approximate Weight Device Markings Miscellaneous Molded SO-14 Surface Mount Package Tube or 16mm Tape per EIA 481 0.15 grams Logo & Part Number 50 e-t td = t IPP/ 2 0 Pin No. 1 Indicated by...