The HM67 series is a bifilar surface mount common mode choke with high current bandwidth, low power consumption and high reliability.
This document is a technical datasheet for the TT Electronics HM67 series of surface mount common mode chokes. It provides detailed specifications including operating temperature ranges, dielectric withstanding voltage, and inductance values for various part numbers.
The guide includes electrical characteristic graphs showing attenuation versus frequency, insertion loss curves, and current derating data. It also details outline dimensions, recommended solder pad layouts, and ordering information for tape and reel packaging.
| Operating Temperature Range | -40°C to +125°C |
|---|---|
| Maximum Ambient Temperature | 85°C |
| Dielectric Withstanding Voltage | 300Vde |
| Leakage Inductance (Typical) | 0.1 Vrms @100 kHz |
The maximum operating temperature is +85°C.
DC resistance must be measured at 25°C.