Ericsson Internal
PRODUCT SPECIFICATION
4 (10)
Prepared (also subject responsible if other)
No.
EXUEFYA
2/1301-BMR 653 Uen
Approved
Checked
Date
Rev
Reference
SEC/D (Betty Wu)
EQUENXU
2009-11-30
E
12 V/25 A Typical Characteristics
PKM 4204B PI
Output Current Derating, open frame
Thermal Resistance, open frame
0
5
10
15
20
25
0
2040
6080
100 [°C]
[A]
3.0 m/s
2.5 m/s
2.0 m/s
1.5 m/s
1.0 m/s
0.5 m/s
Nat. C onv.
0
2
4
6
8
10
0.0
0.5
1.0
1.5
2.0
2.5
3.0 [m/s]
[°C/W]
Available load current vs. ambient air temperature and airflow at
VI = 53 V. See Thermal Consideration section.
Thermal resistance vs. airspeed measured at the converter. Tested
in wind tunnel with airflow and test conditions as per
the Thermal consideration section.
Output Current Derating, base plate option
Thermal Resistance, base plate option
0
5
10
15
20
25
020
40
60
80
100 [°C]
[A]
3.0 m/s
2.5 m/s
2.0 m/s
1.5 m/s
1.0 m/s
Na t. Con v.
0
2
4
6
8
10
0.0
0.5
1.0
1.5
2.0
2.5
3.0[m/s]
[°C/W]
Available load current vs. ambient air temperature and airflow at
VI = 53 V. See Thermal Consideration section.
Thermal resistance vs. airspeed measured at the converter. Tested
in wind tunnel with airflow and test conditions as per
the Thermal consideration section.
Output Current Derating, base plate option with heat
sink*
Thermal Resistance, base plate option with heat sink*
0
5
10
15
20
25
0
20
406080
100 [°C]
[A]
3.0 m/s
2.5 m/s
2.0 m/s
1.5 m/s
1.0 m/s
Na t. Con v.
0
2
4
6
8
10
0.00.51.01.52.02.53.0 [m/s]
[°C/W]
Available load current vs. ambient air temperature and airflow at
VI = 53 V. See Thermal Consideration section.
Thermal resistance vs. airspeed measured at the converter. Tested
in wind tunnel with airflow and test conditions as per
the Thermal consideration section.
*
) Heat sink: finned aluminium, height: 0.23”; Thermal pad: thermal conductivity: 6W/mK, thickness: 0.25mm; Mounting: two M3 screws, torque: 0.44Nm
NOTE: the product is not mechanically tested with heat sink
E
PKM 4000B PI series
Intermediate Bus Converters
Input 36-75 V, Output up to 33 A / 380 W
EN/LZT 146 305 R5C March 2010
Ericsson AB
Technical Specication
7