Chinfa HDD100 100W Isolated DC-DC Converter Surface Mount, Voltage in 18 → 36 V dc, Voltage out 12V dc

  • RS Stock No. 178-144
  • Mfr. Part No. HDD100-24S12T
  • Manufacturer Chinfa
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): CN
Product Details

Chinfa 60 & 100W Single Output Regulated Isolated DC-DC Converter - HDD60 & HDD100 Series

The HDD series is an extremely robust range of wide input DC-DC converters that are specifically designed for use in chassis mount applications where a stable, isolated output is required. Incorporating reverse polarity protection, a wide trim range and a shut down facility as standard this flexible product can be used in a diverse range of industrial, transport and battery powered applications. Universal mounting bracket available to allow for vertical, horizontal and DIN rail mounting, see accessory link.

Wide 2:1 input voltage range
Regulated outputs
Output can be adjusted by ±10% using external resistors
1.5kV input/output isolation
Pi input filter, meets EN 55022 Class A with external filter
Remote On/Off Control (HDD100 only)
Continuous short circuit protection
TTL level controlled inhibit
Internally fitted shunt diode, provides reverse polarity protection when used in conjunction with external fuse
Built for chassis mounting, fitted with screw terminal connectors
Mounting bracket available to allow for vertical, horizontal and DIN rail mounting


Use chassis as heatsink or fan force cooling. Do not exceed maximum case temperature of 95°C. Operating temperature is without de-rating.

Attribute Value
Output Voltage 12V dc
Input Voltage Range 18 → 36 V dc
Input Voltage Nominal 24 V dc
Isolation Voltage 1.5kV dc
Power Rating 100W
Output Current 8.3A
Mounting Type Surface Mount
Number of Outputs 1
Efficiency 84%
Package Case HH 60-T
Minimum Temperature -25°C
Maximum Temperature +71°C
Depth 22.35mm
Series HDD100
Length 139.7mm
Discontinued product