30W 4:1 Input 1"x1" Isolated DC-DC Converter
DIA30 Series
Features a 4:1 wide input range, suitable for diverse applications.
Achieves high efficiency (up to 91%) with low no-load power consumption.
Utilizes an ultra-compact 1"x1" (25.4 x 25.4 mm) industrial package with a six-sided shielding copper case.
Includes remote on/off control and operates across a wide temperature range from -40°C to +105°C.
Provides 3000VDC isolation and is designed to meet UL/cUL 62368-1 safety standards (pending).
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Item |
Conditions |
Min |
Typ |
Max |
Unit |
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Input Voltage Range |
24VDC Nominal input models |
9 |
24 |
36 |
VDC |
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48VDC Nominal input models |
18 |
48 |
75 |
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Input Surge Voltage (100ms max.) |
24VDC Nominal input models |
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50 |
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48VDC Nominal input models |
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100 |
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Start-up Threshold Voltage |
24VDC Nominal input models |
8.2 |
8.5 |
8.8 |
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48VDC Nominal input models |
16.3 |
16.5 |
16.7 |
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Under Voltage Lockout(UVLO) |
24VDC Nominal input models |
7.4 |
7.7 |
8.0 |
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48VDC Nominal input models |
15.3 |
15.5 |
15.7 |
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Input Current |
See model selection table |
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Input filter |
Pi network filter |
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OUTPUT |
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Item |
Conditions |
Min |
Typ |
Max |
Unit |
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Output Voltage |
See Table |
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Line Regulation |
Low line to high line at full load |
-1 |
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+1 |
%Vo |
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Load Regulation |
25-100% of lo |
-1 |
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+1 |
%Vo |
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Output Voltage Setting Accuracy |
max lo |
-1 |
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+1 |
%Vo |
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Output Voltage Trim |
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-10 |
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+10 |
%Vo |
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Ripple & Noise (Note 1) |
Vin=48V, max lo. Measured by 20MHz bandwidth with 1Uf ceramic cap. and 10uF tantalum cap. (or ceramic cap.) Connected to the output pins. |
3.3VDC output |
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75 |
mV |
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5VDC output |
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75 |
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12VDC output |
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100 |
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15VDC output |
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100 |
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24VDC output |
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240 |
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48VDC output |
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480 |
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54VDC output |
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540 |
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Output Power |
See model selection table |
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Output Current |
See model selection table |
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Minimum Load |
No minimum load required |
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Transient Recovery Time |
50% - 75% of lo, di/dt=0.1A/us |
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300 |
500 |
us |
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Transient Recovery Deviation |
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±3 |
±5 |
%Vo |
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PROTECTION |
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Item |
Conditions |
Min |
Typ |
Max |
Unit |
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Output Over Voltage Protection |
Zener diode clamp |
See model selection table |
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Over Current Protection |
% of Io rated; Hiccup mode |
130 |
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180 |
%Io |
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Thermal Protection |
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110 |
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°C |
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Short Circuit Protection |
Short +Vo to VO |
Auto recovery |
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GENERAL |
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Conditions |
Min |
Typ |
Max |
Unit |
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Efficiency |
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See model selection table |
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Switching Frequency |
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280 |
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KHz |
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Isolation Voltage |
Input to Output, 60 Sec |
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3000 |
VDC |
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Isolation Resistance |
500VDC |
100 |
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M Ohm |
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Isolation Capacitance |
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1 |
nF |
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Maximum Capacitive Load |
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See model selection table |
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PHYSICAL SPECIFICATIONS |
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Weight |
18g (0.63oz) |
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Dimension (L x W x H) |
1.0 x 1.0 x 0.43 inches (25.4 x 25.4 x 10.9 mm) |
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Case Material |
Copper |
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Base Material |
FR4 PCB (Flammability to UL 94V-0 rated) |
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Pin Material |
Copper alloy |
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Item |
Conditions |
Min |
Typ |
Max |
Unit |
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Operating Temperature (Without Heatsink) |
With derating
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-40 |
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105 |
°C |
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Case Temperature |
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105 |
°C |
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Storage Temperature |
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-55 |
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125 |
°C |
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Humidity (non-condensing) |
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95 |
% RH |
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RFI |
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Six-sided shielding, metal case |
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Cooling |
Natural convection is about 20LFM but is not equal to still air (0LFM) |
Natural convection |
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Lead Temperature |
1.5mm from case for 10 seconds |
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260 |
°C |
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MODEL SELECTION TABLE |
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Model Number |
Input Voltage |
Output Voltage |
Output Current |
Input Current |
Over Voltage Protection (typ.) |
Output Power |
Efficiency (typ.) |
Maximum Capacitive Load |
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No Load |
Max Load |
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DIA30-F24S03 |
24 VDC (9～36) |
3.3 VDC |
7 A |
10 mA |
1106mA |
3.9 VDC |
23 W |
88% |
15000 µF |
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DIA30-F24S05 |
5 VDC |
6 A |
1390mA |
6.2 VDC |
30 W |
90% |
8000 µF |
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DIA30-F24S12 |
12 VDC |
2.5 A |
1380mA |
15 VDC |
30 W |
91% |
3000 µF |
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DIA30-F24S15 |
15 VDC |
2 A |
1390mA |
18 VDC |
30 W |
91% |
1200 µF |
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DIA30-F24S24 |
24 VDC |
1.25 A |
1404mA |
28 VDC |
30 W |
90% |
820 µF |
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DIA30-F24S48 |
48 VDC |
0.625A |
1404mA |
56 VDC |
30 W |
90% |
150 µF |
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DIA30-F24S54 |
54 VDC |
0.463A |
1185mA |
62 VDC |
25 W |
90% |
100 µF |
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DIA30-F48S03 |
48 VDC (18～75) |
3.3 VDC |
7 A |
8 mA |
553mA |
3.9 VDC |
23 W |
88% |
15000 µF |
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DIA30-F48S05 |
5VDC |
6 A |
702mA |
6.2 VDC |
30 W |
90% |
8000 µF |
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DIA30-F48S12 |
12 VDC |
2.5 A |
670mA |
15 VDC |
30 W |
91% |
3000 µF |
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DIA30-F48S15 |
15 VDC |
2 A |
695mA |
18 VDC |
30 W |
91% |
1200 µF |
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DIA30-F48S24 |
24 VDC |
1.25 A |
702mA |
28 VDC |
30 W |
90% |
820 µF |
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DIA30-F48S48 |
48 VDC |
0.625A |
702mA |
56 VDC |
30 W |
90% |
150 µF |
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DIA30-F48S54 |
54 VDC |
7 A |
585mA |
62 VDC |
25 W |
90% |
100 µF |
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The DIA30 Series DC-DC converter from ABES delivers up to 30W of reliable power in a compact 1 × 1 (25.4 x 25.4 mm) industry-standard package, ideal for space-constrained industrial and embedded systems.
Featuring a 4:1 wide input voltage range, efficiency up to 91%, and 3000VDC isolation, the DIA30 ensures safe, stable, and energy-efficient power conversion in demanding environments.
Its six-sided shielding copper case provides excellent thermal performance, EMI suppression, and low radiated noise, supporting uninterrupted operation for sensitive electronics.
Designed to meet UL/cUL 62368-1 safety standards, the DIA30 Series is a robust and versatile solution for industrial automation, test equipment, telecommunications, and embedded applications.
