ACM1B series of fan heatsink are designed to provide the thermal resistance from 2°C/W to 1.0°C/W. Each module uses one(CFR1B) of series of world's smallest cross flow fan to achieve linear airflow velocity up to 2500ft/min through all fins. ACM1B heatsink fan, thus, offers "true thermal resistance" to achieve the maximum efficiency of the forced air cooling and the lowest profile from 30mm down to 15mm. They are widely used in low profile and compact thermoelectric (peltier) cooling and electronics cooling.

Click Profile1B.pdf for detail sepcifications.

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Voltage: 12VDC 12VDC(3rd lead) 12VDC(Speed Output-3rd lead + PWM Speed Control-4th lead) 5VDC 5VDC(Speed Output-3rd lead) 5VDC(Speed Output-3rd lead + PWM Speed Control-4th lead) Thermal Resistance: 1.0 °C/W (40x40x30mm) 1.2 °C/W (40x40x25mm) 1.25 °C/W (35x35x30mm) 1.4 °C/W (35x35x25mm) 1.5 °C/W (40x40x20mm) 1.6 °C/W (35x35x20mm) 1.9 °C/W (40x40x15mm) 2.0 °C/W (35x35x15mm)

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