Delta Electronics H48SL manual Thermal Curves No Heatsink, Either Orientation

THERMAL CURVES: NO HEATSINK, EITHER ORIENTATION

27mm (1.06")

26mm

(1.02" )

On/Off

Case

out

Sense Trim

Sense(-)

out

	H48SL1R560(Standard) Output Current vs. Ambient Temperature and Air Velocity
Output Current(A)			@ Vin < 60V (Either Orientation, no Heat sink)
64
								600LFM
56
48									500LFM
40	Natural								400LFM
	Convection
32
		100LFM
24
				200LFM
16
					300LFM
8
0
0	10	20	30	40	50	60	70	80	90	100
									Ambient Temperature (℃)

Figure 16: Case temperature measurement location. Pin locations are for reference only.

Figure 17: Output current vs. ambient temperature and air velocity (Vin<60V)

		H48SL1R560(Standard) Output Current vs. Ambient Temperature and Air Velocity
Output Current(A)			@ Vin = 75V (Either Orientation, no Heat sink)
64
56								600LFM
48									500LFM
40		Natural
		Convection							400LFM
32
			100LFM
24
				200LFM
16					300LFM
8
0
0	10	20	30	40	50	60	70	80	90	100
									Ambient Temperature (℃)

Figure 18: Output current vs. ambient temperature and air velocity (Vin=75V)

	H48SL1R560(Standard) Power Dissipation vs. Ambient Temperature and Air Velocity
Power Dissipation (Watts)				(Either Orientation, no Heat sink)
21
								600LFM
18
15								500LFM
12								400LFM
	Natural
	Convection
9
		100LFM
6
				200LFM
3					300LFM
0
0	10	20	30	40	50	60	70	80	90	100
								Ambient Temperature (℃)

Figure 19: Power dissipation vs. ambient temperature and air velocity

DS_H48SL1R560_10302006 8