Electronics News
Archive : 1 September 2026 год
Bel Fuse Inc. has introduced the PTM1-S Series of 1 W isolated DC-DC converters. Designed for medical, industrial, and harsh-environment applications, these converters combine high-voltage isolation, reinforced insulation, and dual safety certifications in a compact SIP-7 package.

Bel Fuse PTM1-S Series 1W isolated DC-DC converters
Key Specifications
- Power rating: 1 W
- Isolation voltage: 6000 VDC
- Reinforced insulation: up to 300 VAC
- Safety certifications: Dual – Medical (EN 60601, 2×MOOP) and ITE (UL/IEC 62368)
- Operating temperature: –40°C to +100°C
- Package: Compact encapsulated SIP-7
- Input voltages: 5 VDC, 12 VDC, 15 VDC, 24 VDC (1:1 ratio)
- Output options: 5 VDC and 12 VDC single-output versions
A major advantage of the PTM1-S Series is the ability to use one component family for both medical and information technology equipment designs. This simplifies qualification and inventory for manufacturers developing products across multiple safety categories.
Target Applications
- Medical instrumentation and patient-connected devices
- Industrial control and automation systems
- Electronics operating in harsh environments
- Isolated power domains in compact equipment
By combining high isolation performance with a small footprint and dual certifications, the PTM1-S Series helps designers meet strict safety requirements while saving board space.
Source: Electronics For You
