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185/250W Multiple Output Power Supply - - - Series 185U / 250U |
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Adjustable main output voltage
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Overload protection
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Overvoltage protection
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Buit-in Brown-out protection
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Short circuit protection
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Remote sense on main output
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Over temperature protection ( Optional )
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Power good signal ( Optional )
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Computer Peripherals / LAN and HUB
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Test- & Industrial Equipment
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Medical Instruments
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Telecommunication equipment
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Voltage: 90-264 Vac, universal input
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Frequency: 47-63 Hz
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Current: 3 A rms. Max @115 Vac and 185W load.
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Current: 4 A rms. Max @115 Vac and 250W load.
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Current: 2 A rms. Max @230 Vac and 185W load.
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Current: 2.5 A rms. Max @230 Vac and 250W load.
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Inrush surge current: 40A typical, cold start@25 °C, 115Vac
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Output Power: 185Watt max (convection rating)
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Output Power: 250Watt max (forced air 30cfm convection )
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Line regulation: +/- 0.5 % typical
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Load regulation: main outputs +/- 5%, aux outputs +/- 10% typical (note1)
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Short circuit protection.
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Noise & Ripple: 1% Typical at full load (note2)
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Overshoot / Undershoot: 10% max. @ Turn-on / Turn-off

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Dimensions: 4.5"x8"x1.67" (WxLxH)
Available models:
| Model # |
No. |
Voltage |
Load Range ( A ) |
Load
Regulation
(%) ( Note 1 ) |
Ripple & Noise
( mVp-p )
( Note 2 ) |
| ( VDC ) |
Min. |
Max.
( Convection Rating ) |
| DTEC-185U / 250U Single Output Voltage / Current Rating Charts |
| |
185U/250U |
185U/250U |
185U |
250U |
185U/250U |
185U/250U |
185U/250U |
| S0 |
1 |
+3.3V |
0 |
35 |
46 |
± 3% |
100mV |
| S1 |
1 |
+5V |
0 |
35 |
46 |
± 3% |
100mV |
| S2 |
1 |
+12V |
0 |
15.42 |
29.84 |
± 3% |
180mV |
| S3 |
1 |
+15V |
0 |
12.34 |
16.67 |
± 3% |
225mV |
| S4 |
1 |
+24V |
0 |
7.7 |
10.42 |
± 3% |
240mV |
| S5 |
1 |
+48V |
0 |
3.86 |
5.21 |
± 3% |
480mV |
| DTEC-185U / 250U Dual Output Voltage / Current Rating Charts |
| D12 |
1
2 |
+5V
+12V |
1.08
0.8 |
18
8 |
25
11 |
± 5%
± 10% |
100mV
180mV |
| D14 |
1
2 |
+5V
+24V |
1.8
0.4 |
18
4 |
25
5.5 |
± 5%
± 10% |
100mV
240mV |
| D1B |
1
2 |
+5V
-5V |
1.85
1.85 |
18.5
18.5 |
25
25 |
± 5%
± 10% |
100mV
150mV |
| D2C |
1
2 |
+12V
-12V |
0.8
0.8 |
7.7
7.7 |
10.5
10.5 |
± 5%
± 10% |
180mV
180mV |
| D24 |
1
2 |
+12V
+24V |
0.8
0.4 |
7.4
4 |
10
5.5 |
± 5%
± 10% |
180mV
240mV |
| DTEC-185U / 250U Tripple Output Voltage / Current Rating Charts |
| T12C |
1
2
3 |
+5V
+12V
-12V |
1.8
0.75
0.14 |
16
7.5
1.4 |
25
9
2 |
± 5%
± 10%
± 10% |
100mV
180mV
180mV |
| T12B |
1
2
3 |
+5V
+12V
-5V |
1.8
0.75
0.14 |
17
7.5
1.4 |
25
10
2 |
± 5%
± 10%
± 10% |
100mV
180mV
100mV |
| T124 |
1
2
3 |
+5V
+12V
+24V |
1.8
0.65
0.14 |
16
6
1.4 |
24
7
2 |
± 5%
± 10%
± 10% |
100mV
180mV
240mV |
| T012 |
1
2
3 |
+3.3V
+5V
+12V |
1.6
1.6
0.3 |
16
16
3 |
25
20
5 |
± 5%
±5%
± 10% |
100mV
100mV
180mV |
| T14C |
1
2
3 |
+5V
+24V
-12V |
1.8
0.35
0.14 |
17
3.5
1.4 |
24
4.5
2 |
± 5%
± 10%
± 10% |
100mV
240mV
180mV |
| DTEC-185U / 250U Quad Output Voltage / Current Rating Charts |
| Q12CB |
1
2
3
4 |
+5V
+12V
-12V
-5V |
1.6
0.7
0.15
0.15 |
15
7
1.5
1.5 |
23
8.5
2
2 |
± 5%
± 10%
± 10%
± 10% |
100mV
180mV
180mV
100mV |
| Q12C4 |
1
2
3
4 |
+5V
+12V
-12V
+24V |
1.6
057
0.15
0.15 |
15
4.6
1.5
1.5 |
22
6
2
2 |
± 5%
± 10%
± 10%
± 10% |
100mV
180mV
180mV
240mV |
| Q12C5 |
1
2
3
4 |
+5V
+12V
-12V
+48V |
1.6
0.5
0.15
0.1 |
13
4.5
1.5
1 |
19
6
2
1.3 |
± 5%
± 10%
± 10%
± 10% |
100mV
180mV
180mV
480mV |
| Q02C1 |
1
2
3
4 |
+3.3V
+12V
-12V
+5V |
1.3
0.5
0.14
1.2 |
13
5
1.4
12 |
18
6
2
18 |
± 5%
± 10%
± 10%
±5% |
100mV
180mV
180mV
100mV |
| Q13D4 |
1
2
3
4 |
+5V
+15V
-15V
+24V |
1.6
0.35
0.15
0.15 |
15
3.5
1.5
1.5 |
20
5
2
2 |
± 5%
± 10%
± 10%
± 10% |
100mV
180mV
180mV
240mV |
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Note 1: Cross/Load regulation tested at 10 -100% of rated load and other outputs are set to 50% of rated load.
Note 2: Peak-to-peak for 185W (convection rating) 250W ( with 30cfm forced air ) @115Vac min. ; measurements with a 20mHz bandwidth and terminated with a 10uF electrolytic cap. in parallel with a 0.1uF ceramic cap.

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Operating temperature:0°C to 50°C ambient, each output derated 2.5% per °C from 50°C to 70°C
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Storage temperature:-40°C to 85°C
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Humidity:Operating, non-condensing, 5% to 95%
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Vibration:Random operating 2.4 grms/max. 3 axes 50~500hz 10 minutes/axis
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Shock:Operating half sine 20 gpk/max. 3 axes 10ms 6 shocks total

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Remote sense: 250mV ± 50mV @ V1 at full load
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Turn-on time: 1sec max at full load @ 115Vac
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Hold-up time: 16ms typical at full load @ 115Vac
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Mtbf demonstrated: > 100,000 hours at full load and 25 °C ambient conditions

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EMI conducted/radiated: fcc & cispr class b
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Designed to meet en61000-3-3,-4-2,-3,-4,-5,-6,-8,-11

I/O connectors are all Screw terminal blocks with a pin assignment conform the table below.
Con1 = AC input |
| Pole1 ( pin1) |
FG |
| Pole2 ( pin2) |
Neutral |
| Pole3 ( pin3) |
Line |
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Con2 = Output |
1 Output: |
| Pole 1~4 ( Pin 1 ~ 10 ) |
V1 |
| Pole 5~8 ( Pin 11 ~ 20 ) |
RET |
2 Outputs ( V2 positive ): |
| Pole 1~2 ( Pin 1 ~ 5 ) |
V1 |
| Pole 3,4 ( Pin 6 ~ 10 ), Pole 7,8 ( Pin 16 ~ 20 ) |
RET |
| Pole 5~6 ( Pin 11 ~ 15 ) |
V2 |
2 Outputs ( V2 negative ): |
| Pole 1~2 ( Pin 1 ~ 5 ) |
V1 |
| Pole 3~6 ( Pin 6 ~ 15 ) |
RET |
| Pole 7~8 ( Pin 16 ~ 20 ) |
V2 |
3,4 Outputs |
| Pole 1~3 ( Pin 1 ~ 5 ) |
V2 |
| Pole 3~6 ( Pin 6 ~ 15 ) |
RET |
| Pole 7~8 ( Pin 16 ~ 20 ) |
V1 |
| Pole 3~6 ( Pin 6 ~ 15 ) |
V4 |
| Pole 7~8 ( Pin 16 ~ 20 ) |
V3 |
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Con3 = Special function |
| Pin1 |
S- |
| Pin2 |
S+ |
| Pin3 |
R.C. |
| Pin4 |
AC Fail |
| Pin5 |
RET |
| Pin6 |
Power Good |
Mechanical drawing and dimensions:

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