The PDSE1-S unregulated dc-dc converters series is a family of 1 W isolated modules designed to offer improved efficiency, higher isolation, and superior thermal performance. Housed in a compact 4 pin SIP package and featuring an ultra-wide -40 to +105°C operating temperature range, these low power dc-dc converters are ideal for precise conversion and isolation of dc rails within a range of industrial, telecom, security, and machine control applications.