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Noctua NE-FD1 PWM IC

Noctua’s custom-designed NE-FD1 is a next-generation PWM fan driver IC that integrates Smooth Commutation Drive (SCD) technology for quieter operation and allows for ultra-low power consumption. Its superb linearity and security features such as locked rotor or reverse voltage protection make it an ideal driver IC for premium-class PWM fans.

PWM Output Signals Compared


Most conventional PWM fan driver ICs put out square signals that cause sudden torque impulses. These impulses can cause minute deformations of the entire fan structure which lead to audible “clicking” noises that are especially noticeable with many common PWM fans running at slower speeds. Adopting Noctua’s Smooth Commutation Drive (SCD) technology, the custom designed NE-FD1 PWM IC slows down the slew rate of the output signal in order to give a smoother, less sudden torque impulse. This way, PWM switching noises can be effectively suppressed and the fan runs even quieter, especially at low speeds.

Noctua’s NE-FD1 IC was not only fine-tuned for superior quietness, it has also been carefully optimised to allow for ultra-low power consumption. For example, the NE-FD1 based PWM version of the award-winning NF-R8, NF-B9 and NF-P12 fans consume 25-40% less power than their non-PWM counterparts. The NF-F12 120mm fan featuring the NE-FD1 IC draws only 0.6W, which is more than 50% less than many fans in the same speed range. This doesn’t only make it eco-friendly but also cuts down the electricity bill: Compared to a typical 2W fan, this allows you to save about half the price of the NF-F12 after 5 years of continuous use.


Noctua
29.05.2015 - TecnoGaming.com NH-D9L
Test verdict: "Noctua es sinónimo de calidad y rendimiento y queda demostrado en nuestro banco de pruebas. En esta ocasión el modelo NH-D9L apunta específicamente a un segmento donde se necesita que un cooler se acople en espacios pequeños como pueden ser un HTPC compacto. Dado que la altura del cooler no supera los 110 mm (con ventilador incluido) resulta ideal para este tipo de configuraciones. Además brinda un excelente rendimiento manteniendo temperaturas óptimas y a su vez gracias a su ventilador PWM obtenemos silencio en la mayoría del uso de la PC." (Alejandro Dau, TecnoGaming.com)
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29.05.2015 - Dark Tech Reviews NH-U9S
Test verdict: "اذا كنت تبحث عن تبريد جيد للمعالج الخاص بك وبحجم صغير جداً فهذه المشتتات موجهة لك " (Ahmed Mohamed, Dark Tech Reviews)
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29.05.2015 - PC Media 05/2015 NH-L9x65
Test verdict: "Dibanding dengan stock cooler, kami merekomendasikan NH-L9x65 untuk beberapa penilaian. Bagi user mini-ITX yang ingin membangun sistem HTPC, dan tak ingin mengalami masalah kebisingan, kami menyarankan NH-L9x65 ini. Kompatibilitas nya terhadap komponen lain cukup mendukung layout motherboard mini-ITX." (Agus Prasetyo, PC Media 05/2015)
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29.05.2015 - QWERTYmag.it NH-D15S
Test verdict: "In base a quello che abbiamo potuto vedere attribuiamo al Noctua NH-D15S il Gold Award per l’estrema silenziosità e per l’altissima flessibilità del prodotto che è in grado di affiancarsi a configurazioni piuttosto compatte, senza rinunciare però ad altissime prestazioni." (Davide Torno, QWERTYmag.it)
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