HO126NL Pulse Transformer Datasheet Overview
The HO126NL is a transformer product designed by Pulse Electronics. Its core function is to cater to applications requiring precise electrical specifications within the 1-125 MHz frequency range. This component is compliant with the RoHS (Restriction of Hazardous Substances) directive, which restricts the use of certain hazardous materials in electrical and electronic products.
Operational Conditions
The operating temperature range for the HO126NL is from 0°C to +70°C, while its storage temperature spans from -20°C to +125°C. Moreover, it meets the JEDEC moisture level 3B standard, indicating its reliability under various environmental moisture levels.
Electrical Specifications at 25°C
The datasheet details important electrical characteristics for the component:
Insertion Loss: The maximum insertion loss is 1.2 dB across the frequency spectrum of 100 kHz to 1 MHz, with a specific frequency-dependent formula provided for calculating insertion loss from 0.2 to 1.4 dB max.
Return Loss: Measured in Ohms, the return loss ranges from 16 dB min at 1-30 MHz to a calculated minimum defined by a logarithmic function of frequency for ranges 30-60 MHz and 60-80 MHz.
Inductance (OCL): The minimum inductance at 100 kHz with an applied voltage of 100 mVRMS is 350 uH, ensuring a certain measure of resistance to changes in current.
Crosstalk: The datasheet specifies that adjacent channels must maintain at least 50 dB minimum crosstalk from 10-100 MHz, with a formulaic adjustment for frequencies within 5-200 MHz.
Other Notable Features
The transformer features an inbuilt schematic showcasing a balanced input/output isolation with a minimum of 1500 VRMS for 60 seconds. It highlights that the DC resistance per winding must not exceed 60 Ohms, and the imbalance for the center tap symmetry is capped at 0.65 Ohms max. The common mode rejection rate includes detailed calculations for frequencies within the 5-200 MHz range.
Final Outline and Design Rights
The final outline of the component, including schematic size and diagram, is detailed in the datasheet, indicating that the HO126NL is a product with proprietary design rights reserved by Pulse Electronics.
References:
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