
DC-DC CONVERTER 
50 ~ 60W  
HDD60 SERIES 
CHINFA ELECTRONICS IND., CO. LTD. 
ISO 9001 Certified 
www.chinfa.com 
sales@chinfa.com 
MODEL NO. 
INPUT 
VOLTAGE 
OUTPUT 
WATTAGE 
OUTPUT 
VOLTAGE 
OUTPUT 
CURRENT 
EFF. 
(MIN.) 
CASE 
Double Output Models 
HDD50 – 12D05-X 
9~18 VDC
50 WATTS
5V / 5V
5A / 5A
78% 
HH 
HDD60 – 12D12-X 
9~18 VDC
60 WATTS
12V / 12V
2.5A / 2.5A
80% 
HH 
HDD60 – 12D15-X 
9~18 VDC
60 WATTS
15V / 15V
2A / 2A
80% 
HH 
HDD60 – 12D512-X 
9~18 VDC
55 WATTS
5V / 12V
5A / 2.5A
79% 
HH 
HDD50 – 24D05-X 
18~36 VDC
50 WATTS
5V / 5V
5A / 5A
80% 
HH 
HDD60 – 24D12-X 
18~36 VDC
60 WATTS
12V / 12V
2.5A / 2.5A
82% 
HH 
HDD60 – 24D15-X 
18~36 VDC
60 WATTS
15V / 15V
2A / 2A
82% 
HH 
HDD60 – 24D512-X 
18~36 VDC
60 WATTS
5V / 12V
6A / 2.5A
80% 
HH 
HDD50 – 48D12-X 
36~72 VDC
50 WATTS
5V / 5V
5A / 5A
80% 
HH 
HDD60 – 48D12-X 
36~72 VDC
60 WATTS
12V / 12V
2.5A / 2.5A
84% 
HH 
HDD60 – 48D15-X 
36~72 VDC
60 WATTS
15V / 15V
2A / 2A
84% 
HH 
HDD60 – 48D512-X 
36~72 VDC
60 WATTS
5V / 12V
6A / 2.5A
81% 
HH 
Triple Output Models 
HDD55 – 12T512-X 
9~18 VDC
55 WATTS
+5V / 
±
12V
+5A / 
±
1.25A
78% 
HH 
HDD55 – 24T512-X 
18~36 VDC
55 WATTS
+5V / 
±
12V
+5A / 
±
1.25A
79% 
HH 
HDD55 – 48T512-X 
36~72 VDC
55 WATTS
+5V / 
±
12V
+5A / 
±
1.25A
80% 
HH 
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SUFFIX “X=P” : PCB MOUNTING TYPE, HEATSINK WILL BE ADDED ON MODULE.
--
SUFFIX “X=T” : CHASSIS MOUNTING TYPE:(TERMINAL BLOCK), NO HEATSINK. USE CHASSIS AS HEATSINK OR FAN FORCE 
COOLING. INDICATE SUFFIX WHEN ORDER.
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SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICED.
FEATURES
* 50W to 60W DC/DC CONVERTER 
* 2:1 INPUT RANGE, PI INPUT FILTER 
* ISOLATION INPUT AND OUTPUT  
* HIGH PERFORMANCE UP TO 86% 
* SHORT CIRCUIT PROTECTION 
* 2 YEARS WARRANTY