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