S Series Data Sheet
100 Watt AC-DC and DC-DC Converters
APR 26, 2006 revised to SEP 25, 2006 Page 3 of 33 www.power-one.com
Part Number Description and Product Marking
C S 2 5 40 -9 E R D3 T B1
Input voltage range Vi:
8 - 35 VDC ................A
14 - 70 VDC .............. B
20 - 100 VDC .............. F
28 - 140 VDC................C
44 - 220 VDC................D
67 - 385 VDC .............. E
85 - 264 VAC or 88 - 372 VDC................ L
Series................................................................................S
Number of outputs ........................................................1, 2
Single output models:
Nominal voltage output 1 (main output), Vo1 nom
5.1 V ......0, 1, 2
12 V ................3
15 V ............4, 5
24 V ................6
Other voltages1............7, 8
Other specifications for
single output models1......01 - 99
Double output models:
Nominal voltage output 1 and 2
12, 12V ......................................................................20
15, 15V ......................................................................40
24, 24V ......................................................................60
Other specifications and additional features1......70 - 99
Operational ambient temperature range TA:
–25 to 71 °C................-7
–40 to 71 °C................-9
Other 1....-0, -5, -6
Auxiliary functions and options:
Inrush current limiter ......................................................E 3
Output voltage control input ..........................................R 2
Potentiometer (output voltage adjustment) ....................P 2
Undervoltage monitor (D0 - DD, to be specified) ..........D 4
ACFAIL signal (V0, V2, V3, to be specified) ..................V 4
Current share....................................................................T
Cooling plate standard case ..........................................B1
Cooling plate for long case (220 mm) 1..........................B2
1Customer-specific models.
2Feature R excludes option P and vice versa.
3Option E available for CS, DS, ES, FS, and LS models; mandatory for all -9 model types.
4Option D excludes option V and vice versa; option V available for S1001 models only.
Example: CS2540-9ERD3TB1: DC-DC converter, input voltage range 28 - 140 V, double output, each providing 15 V/3.2 A,
equipped with inrush current limiter, R input (voltage adjust), undervoltage monitor D3, current share, and a cooling plate
B1. Ambient temperature –40 to 71 °C.
Product Marking
Basic type designation, applicable approval marks, CE mark, warnings, pin allocation, Power-One patents, and company logo.
Identification of LEDs, test sockets, and potentiometer.
Specific type designation, input voltage range, nominal output voltages and currents, degree of protection, batch no., serial no., and
data code including production site, modification status, and date of production.