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Cassette Style
DC-DC Converters
Q Series
Edition 5/5.2000
4/25
Type Key and Product Marking
Type Key
C Q 2 5 40 -7 R P
Input voltage range
Ui:
14.4...36 V DC .............................................. B
35...75 V DC ................................................. C
43...108 V DC ............................................... D
65...150 (168/2 s) V DC ................................. E
21.6...54 V DC ............................................. G
Series
Q
Number of outputs:
Single output ................................................. 1
Double output ................................................ 2
Single Output (long case) .............................. 6
Double Output (long case) ............................ 7
Nominal voltage output 1 (main output)
, Uo1 nom:
5.1 V .............................................................. 0
3.3 V .............................................................. 1
12 V ............................................................... 3
15 V ........................................................... 4, 5
24 V ............................................................... 6
other voltages .................................... 1, 2, 7, 8
Other specifications for main output ........................ 01...99
Symmetrical double output units:
Nominal voltage output 1/output 2,
Uo1/2 nom
12 V/12 V (24 V series connected) .............. 20
15 V/15 V (30 V series connected) .............. 40
24 V/24 V (48 V series connected) .............. 60
other symmetrical voltages ................... 70...99
Operational ambient temperature range
TA:
–25…71
°C ................................................... -7
–40...71
°C (option) ....................................... -9
customer specific .................................... -0...-6
Output voltage control input (auxiliary function) 1 ............ R
Potentiometer (option) 1 ................................................... P
1 Option P excludes feature R and vice versa
Example:
CQ 2540-7P: DC-DC converter, input voltage range 35...75 V, double output, each providing 15 V/ 3.3 A,
equipped with potentiometer and operating ambient temperature of –25...71
°C.
Note: All units feature the following auxiliary functions which are not shown in the type designation: input and output filter,
inhibit, sense lines, current sharing, Out OK signal, LED indicators and test sockets.
Product Marking
Basic type designation, applicable safety approval and recognition marks, CE mark, warnings, pin allocation of input, out-
put and auxiliary functions, Power-One patents and company logo.
Identification of LED's, test sockets and potentiometer.
Specific type designation, input voltage range, nominal output voltage and output current and degree of protection.
Label with batch no., serial no. and data code including production site, modification status and date of production. Confir-
mation of success fully passed final test.