KMS-A Series
15-60W Medical AC-DC PCB-Mount Power Supplies
Features
 Medical Safety Certifications (4kVAC Input - Output)
 Class II (No ground needed)
 Wide Temperature Range (-40 to +80oC)
 Low off-load Power Draw
 Smaller size than KMS
 High Efficiency
Key Market Segments & Applications
Photo (KMS60A shown)
Specifications
Model
Input Voltage Range (1)
Inrush Current Limiting (115 / 230VAC) (2)
A
Input Current (115 / 230VAC)
mA
Off-load Power Draw
W
Recommended External Fuse
Temperature Coefficient
Voltage Set Accuracy
%
Minimum Load
Overcurrent Protection
Overvoltage Protection
%
Hold-up Time (115 / 230VAC)
ms
Leakage Current (Touch)
mA
Series Operation
Operating Temperature (3)
Maximum Case Temperature
°C
Storage Temperature
Humidity
%RH
Cooling
Withstand Voltage
VAC
Immunity
Altitude
m
Safety Agency Certification
Conducted and Radiated EMI
Weight
g
in
Size (LxWxH)
(mm)
Mounting & Case
MTBF
hrs
Warranty
yrs
KMS15A
KMS30A
KMS60A
90-264VAC 47-440Hz* or 120-370VDC*
20 / 40A
30 / 60A
55 / 95A
385 / 250mA
650 / 400mA
1500 / 1000mA
<0.1W
<0.15W
<0.3W
3.15 A slow blow type
±0.05%/°C
±2%
None
Hiccup mode, automatic recovery
Yes, Zener diode clamp
15 / 56ms (typ)
>10ms
<0.1mA at 264VAC
Yes. Use diodes connected across each output
-40°C to +85°C, derate linearly to 30% load from 50°C to 80°C
90°C (83°C <115VAC)
85°C (78°C <115VAC)
80°C (73°C <115VAC)
-40°C to +90°C
10% to 95% RH (non-condensing)
Convection
Input to output: 4kVAC, 2 x MOPPs
EN61000-4-2, -3, -4, -5, -6, -8, -11
5000m
UL/CSA/IEC/EN 60950-1, ANSI/AAMI ES60601-1, IEC/EN 60601-1 (2xMOPPs)
EN55011 Class B
59g
130g
280g
2.07 x 1.08 x 0.93”
2.52 x 1.77 x 0.93”
3.5 x 2.5 x 1.06”
52.5 x 27.5 x 23.5 mm
64.0 x 45.0 x 23.5 mm
89.0 x 63.5 x 27.0 mm
PC board mountable. Resin case (UL 94V-0)
200,000 to 400,000 hours, model dependant
3 years
(1) Derate linearly to 80% load below 110VAC (100VAC for KMS15A)
(2) Cold start, 25oC ambient
(3) Derate linearly to 80% load below -30oC
1-800-526-2324 • www.us.tdk-lambda.com/lp/
* Safety certified for AC input, 47-63Hz only
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Disclaimer: us.tdk-lambda.com/lp/legal.htm
KMS-A Series
Model Selector
Model
KMS15A-5
KMS30A-5
KMS60A-5
KMS15A-9
KMS60A-9
KMS15A-12
KMS30A-12
KMS60A-12
KMS15A-15
KMS30A-15
KMS60A-15
KMS15A-24
KMS30A-24
KMS60A-24
Output Maximum
Voltage Current
(V)
(A)
5V
5V
5.1V
9V
9V
12V
12V
12V
15V
15V
15V
24V
24V
24V
3A
5A
10A
1.666A
6.666A
1.25
2.5A
5A
1A
2A
4A
0.625
1.25A
2.5A
Power
(W)
15W
25W
51W
15W
60W
15W
30W
60W
15W
30W
60W
15W
30W
60W
KMSA15
Output Ripple
Line
& Noise
Regulation
(mV)
(mV)
120mV
100mV
100mV
120mV
100mV
120mV
150mV
120mV
150mV
150mV
150mV
240mV
240mV
240mV
Load
Regulation
(mV)
±25mV
±25mV
±25mV
±45mV
±45mV
±60mV
±60mV
±60mV
±75mV
±75mV
±75mV
±120mV
±120mV
±120mV
±50mV
±50mV
±75mV
±90mV
±135mV
±120mV
±120mV
±120mV
±150mV
±150mV
±150mV
±240mV
±240mV
±240mV
Maximum
Efficiency Capacitive Load
(%)
(μF)
79%
84%
86%
80%
87%
84%
89%
88%
84%
86%
86%
85%
86%
87%
7000
6800
10000
5000
5000
1500
1600
5000
1000
1200
4000
470
470
2000
KMSA60
Pinout
KMSA30
PIN #
1
2
3
4
5
6
7
KMS15A
AC (L)
AC (N)
+Vout
-Vout
KMS30A
AC (N)
AC (L)
-Vout
No pin
+Vout
KMS60A
AC (L)
AC (N)
+Vout
No pin
-Vout
No pin
No pin
For Additional Information, please visit
us.tdk-lambda.com/lp/products/km-series.htm
1-800-526-2324 • www.us.tdk-lambda.com/lp/
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Revision p1.8: Apr 2017