®

Q Series Data Sheet

66 – 132 Watt DC-DC Converters

BCD20011- G Rev AG, 12-Mar-2012

Page 3 of 26

www.power-one.com

C Q 2 5 40 -9 R B1 G

Part Number Description

14.4 – 36 V ....................................................... B

21.6 – 54 V ....................................................... G

33.6 – 75 V ........................................................ C

38.4 – 75 V ..................................................... 48

43 – 108 V ......................................................... D

65 – 150 V ......................................................... E

Series ................................................................................... Q

Number of outputs:

Single-output models ......................................... 1

Double-output models ........................................ 2

Single-output models:

Nominal output voltage (main output):

3.3 V ................................................................... 1

5.1 V ................................................................... 0

12 V .................................................................... 3

15 V .................................................................... 5

24 V ................................................................ 6, 7

Other voltages ............................................ 7, 8, 9

Other specifications or additional

Double-output models:

5.1 V ........................................................ 01 – 09

12 V ......................................................... 20 – 39

15 V ......................................................... 40 – 59

24 V ......................................................... 60 – 79

Other voltages or additional

–10 to 50 °C ...................................................... -2

–25 to 71 °C (option, NFND) ............................ -7

–40 to 71 °C ...................................................... -9

other ....................................................... -0, -5, -6

Additional heatsinks ..................................................... B , B1

Note: The sequence of options must follow the order above.

Preferred for new designs.

Example:

CQ2540-9B1G: DC-DC converter, input voltage

range 33.6 to 75 V, double-output model, each

output providing 15 V/ 3.3 A, equipped with a heat

71 °C, RoHS-compliant for all six substances.

Note: All models have 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 (not 48Q models).

Note: 48Q models are designed according to Telecom standards