HEAT SINKS

Heat sink for powerful diodes and thyristors O151-80 50W 635 cm2 USSR

 

Type - O151 (O151-80)

Thread diameter - M12

For body types - SD5, SD8, ST5

Application for diodes and thyristors series - D151, T151, TB251

Distributed natural cooling power of - 50 W

Thermal resistance at natural cooling - 1.90 ° C / W

Thermal impedance for forced cooling

(air velocity 6 m / s) - 0.67 ° C / W

Pressure drop -15 Pa

Torque of tightening not more than - 20 Nm

The surface of the cooling surface - 635 cm2

Overall dimensions - see photos

Manufactured in USSR before 1989

Heat sink for powerful diodes and thyristors O171-80 80W  1250 cm2 USSR

 

Type - O171 (O171-80)

 

Thread diameter - M20Х1,5

 

For body types - SD6, ST6 

 

Application for diodes and thyristors series - D161, DL161, T161, TC161, TC261, TB261

 

Distributed natural cooling power of - 80 W

 

Thermal resistance at natural cooling - 1.22 ° C / W

 

Thermal impedance for forced cooling

 

(air velocity 6 m / s) - 0.355 ° C / W

 

Pressure drop -18 Pa

 

Torque of tightening not more than - 50 Nm

 

The surface of the cooling surface - 1250 cm2

 

Overall dimensions - see photos

 

Manufactured in USSR before 1989

Heat sink for powerful diodes and thyristors O471-80 80W  1250 cm2 USSR

 

Type - O471 (O471-80)

 

Thread diameter - M20Х1,5

 

For body types - SD6, ST6 

 

Application for diodes and thyristors series - D161, DL161, T161, TC161, TC261, TB261

 

Distributed natural cooling power of - 80 W

 

Thermal resistance at natural cooling - 1.22 ° C / W

 

Thermal impedance for forced cooling

 

(air velocity 6 m / s) - 0.355 ° C / W

 

Pressure drop -18 Pa

 

Torque of tightening not more than - 50 Nm

 

The surface of the cooling surface - 1250 cm2

 

Overall dimensions - see photos

 

Manufactured in USSR before 1989

Heat sink for transistors TO220  45x25x25mm 

 

Body material - aluminum oxidate