1
DESCRIPTION
In applications where Power-One DC/DC products do not fit an exist-
ing circuit board, Power-One chassis mount kits allow the installation
of most DC/DC converters directly to frames, fixtures, and chassis. To
improve converter performance and reduce circuit noise, chassis mount
kits provide a 180µF (100VDC) input capacitor as well as output capac-
itance with decoupling. Socketed pins provide for direct installation of
DC/DC converters to the chassis mount kit.
Table 1, the DC/DC Chassis Mounting Reference Chart describes the
application of single, dual, and triple series DC/DC converters to the
chassis mount kit. The CM2A chassis mounting kits, designed for con-
verters with lower input currents, are complete with socketed PC board,
1.5 Ampere fuse, 180µF (100VDC) input capacitor, and barrier strip
connector. CM2B chassis mounting kits are complete with socketed
PC board, 4.0 Ampere fuse,
180µF (100VDC) input capacitor, and
barrier strip connector. Chassis mount
kits are not available for the following
product series: DSP1, DSN17, and DFC25.
Electrical connection to the chassis
mount kit is via a barrier strip with
Molex compatible pins (Molex Series
2139 or Series 6442 connector).
See Figure 1. Input and output connections are detailed in Table 2 and Table 3.
CHASSIS MOUNT KIT SELECTION:
To properly select the correct chassis mount kit is as follows:
1) Select DC/DC converter from Product Selection Guide.
2) Note the required series and input voltage of DC/DC converter.
3) Verify usage of selected converter series as per Table 1, DC/DC Chassis
Mounting Reference Chart.
4) Connect via electrical connections as shown in Table 2 and Table 3.
EXAMPLE:
A single output DFC10 with a 48 Volt input will require a CM2A1 chassis mount kit.
A dual output DFC10 with a 24 Volt input will require CM2B2 chassis mount kit.
CHASSIS MOUNTING KITS
SINGLE, DUAL, AND TRIPLE OUTPUT
PIN 1
12345678
TB1 0.045" SQUARE PINS
ON 0.156" CENTERS
MATES WITH 16 CIRCUIT
MOLEX CONNECTOR
SERIES 41695 OR 2139 OR
EQUIVALENT. *
6-32 WIRE CLAMPS
ON 0.312" CENTERS
C1
+
F1
C2 C5 C3 C4
C6 C9 C7 C8 R1
R2
R3
12345678
TB1
V. TRIM
OPTION
3.65"
(92.71mm)
3.35"
(85.09mm)
4.35"
(110.49mm)
4.05"
(102.87mm)
1.05"
(26.67mm)
1.3"
(33mm)
RECOMMEND MIMIMUM MOUNTING SPACING FROM BOTTOM OF PCB IS 5/16" (7.94mm)
CONNECTOR INFORMATION:
MOLEX 41695 SERIES
HOUSING - 09-50-8163 W/LOCKING RAMP AND POLARIZING RIBS,
PINS - TRIFURCON 6838 SERIES 18-20GA, 08-50-0189 (LOOSE), 08-50-0187 (CHAIN).
PINS - STANDARD 2478 SERIES 18-20GA, 08-50-0106 (LOOSE), 08-50-0105 (CHAIN).
MOLEX 2139 SERIES
HOUSING - 09-50-3161 WITH LOCKING RAMP (ONLY),
PINS - STANDARD 2478 SERIES 18-20GA, 08-50-0106 (LOOSE), 08-50-0105 (CHAIN).
*
®
DC/DC CHASSIS MOUNTING REFERENCE CHART
1.5 AMP MAXIMUM INPUT 4.0 AMP MAXIMUM INPUT
SINGLE OUTPUT DUAL OUTPUT TRIPLE OUTPUT SINGLE OUTPUT DUAL OUTPUT TRIPLE OUTPUT
CM2A1 CM2A2 CM2A3 CM2B1 CM2B2 CM2B3
DFA6 (ALL) DFC10 (48V) DGP20 (48V) DFC6 (ALL) DFC10 (24V) DGP20 (12V)
DFC10 (48V) DFC15 (ALL) DFC10 (12V) DGP12 (ALL) DGP20 (24V)
DFC15 (ALL) DFA20 (48V) DFC10 (24V) DFA20 (12V)
DFA20 (48V) DXC15 (ALL) DFA20 (24V)
DGP30 (ALL) DGP12 (ALL)
DFA20 (12V)
DFA20 (24V)
TABLE 1
FIGURE 1
TABLE 2
TABLE 3
CM2A MOUNTING KIT With 1.5 Amp Fuse and 180µF Input Capacitor
SCREW SINGLES (CM2A1) DUALS (CM2A2) TRIPLES (CM2A3)
TERMINALS DFA6, DFC10 (48V) DFC15, DFA20 (48V), DGP30 DFC10 (48V) DFC15, DFA20 (48V) DGP20 (48V)
1 N/C ON/OFF N/U ON/OFF ON/OFF
2 +INPUT INPUT +INPUT +INPUT +INPUT
3 -INPUT -INPUT -INPUT -INPUT -INPUT
4 N/C N/C N/U N/U N/U
5 +OUTPUT N/C +OUTPUT +OUTPUT +12/15 OUTPUT
6 N/C +OUTPUT CMN CMN +5 OUTPUT
7 -OUTPUT -OUTPUT -OUTPUT -OUTPUT CMN
8 N/C TRIM N/U TRIM -12/15 OUTPUT
CM2B MOUNTING KIT With 4 Amp Fuse and 180µF Input Capacitor
SCREW SINGLES (CM2B1) DUALS (CM2B2) TRIPLES (CM2B3)
TERMINALS DFC6,DFC10(24V),DXC15 DGP12, DFA20 (12V, 24V) DFC10 (24V) DGP12, DFA20 (12V, 24V) DGP20 (12V, 24V)
1 N/C ON/OFF N/U ON/OFF ON/OFF
2 +INPUT INPUT INPUT +INPUT +INPUT
3 -INPUT -INPUT -INPUT -INPUT -INPUT
4 N/C N/C N/U N/U N/U
5 +OUTPUT N/C OUTPUT +OUTPUT +12/15 OUTPUT
6 N/C +OUTPUT CMN CMN +5 OUTPUT
7 -OUTPUT OUTPUT -OUTPUT -OUTPUT CMN
8 N/C TRIM N/U TRIM -12/15 OUTPUT
