1
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Rugged electrical and mechanical design
Fully isolated outputs
Operating ambient temperature range
40...71
C with convection cooling
K Series
150 Watt DC-DC Converters
Input voltage ranges from 8...385 V DC
1or 2 outputs up to 48 V DC
4 kV AC I/O electric strength test voltage
Selection chart
Output 1
Output 2
Type
Options
U
o nom
I
o nom
U
o nom
I
o nom
Input voltage
[V DC]
[A]
[V DC]
[A]
8...35 V DC
5.1
20
-
-
AK 1001-7R
-9, D, V, P, T, B1
12
10
-
-
AK 1301-7R
-9, D, P, T, B1
15
8
-
-
AK 1501-7R
-9, D, P, T, B1
24
5
-
-
AK 1601-7R
-9, D, P, T, B1
24
5
-
-
AK 2320-7R
-9, D, P, T, B1
30
4
-
-
AK 2540-7R
-9, D, P, T, B1
48
2.5
-
-
AK 2660-7R
-9, D, P, T, B1
12
5
12
5
AK 2320-7R
-9, D, P, T, B1
15
4
15
4
AK 2540-7R
-9, D, P, T, B1
24
2.5
24
2.5
AK 2660-7R
-9, D, P, T, B1
LGA
Output 1
Output 2
Type
Type
Options
U
o nom
I
o nom
U
o nom
I
o nom
Input voltage
Input voltage
[V DC]
[A]
[V DC]
[A]
14...70 V DC
20...100 V DC
5.1
25
-
-
BK 1001-7R
FK 1001-7R
-9, D, V, P, T, B1
12
12
-
-
BK 1301-7R
FK 1301-7R
-9, D, P, T, B1
15
10
-
-
BK 1501-7R
FK 1501-7R
-9, D, P, T, B1
24
6
-
-
BK 1601-7R
FK 1601-7R
-9, D, P, T, B1
24
6
-
-
BK 2320-7R
FK 2320-7R
-9, D, P, T, B1
30
5
-
-
BK 2540-7R
FK 2540-7R
-9, D, P, T, B1
48
3
-
-
BK 2660-7R
FK 2660-7R
-9, D, P, T, B1
12
6
12
6
BK 2320-7R
FK 2320-7R
-9, D, P, T, B1
15
5
15
5
BK 2540-7R
FK 2540-7R
-9, D, P, T, B1
24
3
24
3
BK 2660-7R
FK 2660-7R
-9, D, P, T, B1
2
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Input
Input voltage
6 wide-input ranges (1:5)
refer to selection chart
Inrush current limitation
CK, DK, EK by thermistor
Output
Efficiency
U
i nom
,
I
o nom
up to 87 %
Output voltage setting accuracy
U
i nom
,
I
o nom
0.6 %
U
o nom
Output voltage switching noise
IEC/EN 61204, total
typ. 100 mV
pp
Line regulation
U
i min
...
U
i max
,
I
o nom
typ.
0.3 %
Load regulation
U
i nom
, 10...100%
I
o nom,
symmetrical output load
typ. 0.4 %
Minimum load
not required
0 A
Current limitation
rectangular U/I characteristic
typ. 110 %
I
o nom
Operation in parallel
by current limitation
Hold-up time
U
i nom
,
I
o nom
, C/D/E/FK with ext. diode in input line
4...30 ms
U
i nom
,
I
o nom
, A/BK with ext. diode in input line
typ. 1 ms
Control and protection
Input reverse polarity
built-in fuse, not user accessible
Input undervoltage lockout
typ. 80 %
U
i min
Input overvoltage lockout
typ. 108 %
U
i max
Input transient protection
varistor or suppressor diode
Output
no-load, overload and short circuit proof
Output overvoltage
suppressor diode in each output
typ. 130%
U
o nom
Overtemperature
switch-off with auto restart
T
C
typ 100
C
Output voltage adjustment
0...110%
U
o nom
Inhibit
TTL input, output(s) disabled if left open
Status indication
LEDs: OK, inhibit, overload
Safety
Approvals
EN 60950, UL 1950, CSA 22.2 No. 950
Protection degree
IP 30
Class of equipment
class I
Electric strength test voltage
I/case
2 kV AC
I/O
4 kV AC
O/case
1 kV AC
O/O
0.1 kV AC
Cassette Style
K Series
Output 1
Output 2
Type
Type
Type
Options
U
o nom
I
o nom
U
o nom
I
o nom
Input voltage
Input voltage
Input voltage
[V DC]
[A]
[V DC]
[A]
28...140 V DC
44...220 V DC
67...385 V DC
5.1
25
-
-
CK 1001-7R
DK 1001-7R
-
-9, E, D, V, P, T, B1
12
12
-
-
CK 1301-7R
DK 1301-7R
EK 1301-7R
-9, E, D, P, T, B1
15
10
-
-
CK 1501-7R
DK 1501-7R
EK 1501-7R
-9, E, D, P, T, B1
24
6
-
-
CK 1601-7R
DK 1601-7R
EK 1601-7R
-9, E, D, P, T, B1
24
6
-
-
CK 2320-7R
DK 2320-7R
EK 2320-7R
-9, E, D, P, T, B1
30
5
-
-
CK 2540-7R
DK 2540-7R
EK 2540-7R
-9, E, D, P, T, B1
48
3
-
-
CK 2660-7R
DK 2660-7R
EK 2660-7R
-9, E, D, P, T, B1
12
6
12
6
CK 2320-7R
DK 2320-7R
EK 2320-7R
-9, E, D, P, T, B1
15
5
15
5
CK 2540-7R
DK 2540-7R
EK 2540-7R
-9, E, D, P, T, B1
24
3
24
3
CK 2660-7R
DK 2660-7R
EK 2660-7R
-9, E, D, P, T, B1
3
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K Series
150 Watt DC-DC Converters
Pin allocation
Pin
AK 1000, BK...EK 1001
AK 2000
BK...EK 1301/1501/1601 BK...EK 2000
4
Vo1+
Output 1
Vo2+
Output 2
Vo1+
Output 1
Vo2+
Output 2
6
Vo1+
Vo2+
8
Vo1
Output 1
Vo2
Output 2
Vo1
Output 1
Vo2
Output 2
10
Vo1
Vo2
12
S+
Sense
Vo1+
Output 1
S+
Sense
Vo1+
Output 1
14
S
Sense
Vo1
Output 1
S
Sense
Vo1
Output 1
16
R
Control of
U
o1
R
Control of
U
o1
R
Control of
U
o1
R
Control of
U
o1
18
i
Inhibit
i
Inhibit
i
Inhibit
i
Inhibit
20
D
Save data
D
Safe data
D
Save data
D
Save data
V
ACFAIL
22
T
Current sharing
T
Current sharing
T
Current sharing
T
Current sharing
24
Protective earth
Protective earth
Protective earth
Protective earth
26
Vi+
Input
Vi+
Input
Vi+
Input
Vi+
Input
28
Vi+
Vi+
30
Vi
Input
Vi
Input
Vi
Input
Vi
Input
32
Vi
Vi
EMC
Electrostatic discharge
IEC/EN 61000-4-2, level 4 (8/15 kV)
criterion A
Electromagnetic field
IEC/EN 61000-4-3, level x (20 V/m)
criterion A
Electr. fast transients/bursts
IEC/EN 61000-4-4, level 4 (2/4 kV)
criterion A
Surge
IEC/EN 61000-4-5, level 3 (2 kV)
criterion A
Conducted disturbances
IEC/EN 61000-4-6, level 3 (10 V)
criterion A
Electromagnetic emissions
CISPR 22/EN 55022, conducted
class B
Environmental
Operating ambient temperature
U
i nom
,
I
o nom
, convection cooled
25...71
C
Operating case temperature
T
C
U
i nom
,
I
o nom
25...95
C
Storage temperature
non operational
40...100
C
Damp heat
IEC/EN 60068-2-3, 93%, 40
C
56 days
Vibration, sinusoidal
IEC/EN 60068-2-6, 10...60/60...2000 Hz
0.35 mm/5 g
n
Shock
IEC/EN 60068-2-27, 6 ms
100 g
n
Bump
IEC/EN 60068-2-29, 6 ms
40 g
n
Random vibration
IEC/EN 60068-2-64, 20...500 Hz
4.9 g
n rms
MTBF
MIL-HDBK-217F, G
B
, 40
C
500'000 h
Options
Extended temperature range
40...71
C, ambient, operating
-9
Electronic inrush current limitation
E
Output voltage adjustment
40...110 %
U
o nom
, excludes feature R and vice versa
P
Input and/or output undervoltage monitoring, excludes option V
D0...D9
Input and/or output undervoltage monitoring (VME), excludes option P
V0, V2, V3
Current sharing
T
Cooling plate
B1
4
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Cassette Style
K Series
Mechanical data
Tolerances
0.3 mm (0.012") unless otherwise indicated.
European
Projection
32 28 24 20 16 12
8
4
Connector type H15
S10010
30 26 22 18 14 10
6
Accessories
Front panels 19" (Schroff/Intermas)
Mating H15/H15S4 connectors with screw, solder, fast-on or press-fit terminals
Connector retention facilities and code key system for connector coding
Chassis or wall mounting plates for frontal access
Universal mounting brackets for chassis or DIN-rail mounting
159 (6.25")
4.5 (0.18")
89 (3.50")
111 (3U) (4.37")
168.5 (6.63")
80 (3.15")
6.5 (0.26")
7 TE
9 TE
Measuring point of
case temperature
T
C
171.93 (6.77") (DIN 41494)
50 (1.97")
S09002
Test jacks
Option P (Uo)
Option D (Uti)
LED OK
LED i
LED IoL
Option D (Uto)
Connector type H15 S4
S10010
32/30
24 20 16 12
4/6
26/28 22 18 14 10/8
Pin allocation
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