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SCD Encapsulated, Industrial DC to DC Converter Power Suppplies
These
compact, rugged DC to DC converters are power supplies designed
to power industrial control instrumentation devices and equipment
where AC power is not convenient or accessible. With high
reliability and wide input range, these units can operate
through the most difficult factory-floor conditions around
the globe. "User friendly" applies to these unique
power supplies that feature easy-to-install DIN Rail and chassis
mounting. Terminations are also easy to access
and simple to wire. Encapsulated design meets IP20 specifications
for use in harsh environments. |
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A printable version of the following sections is available by selecting
the pdf file to the left.
- DIN
Rail or Chassis Mount (by removing the DIN clip)
- Rugged,
encapsulated design to resist environment
- IP20
protection
- Wide
20 VDC to 72 VDC input range
- Five year warranty
- Simple
snap-on for DIN Rail TS35/7.5 or TS35/15
- M3 screw clamp terminations
- Galvanic isolation
- SCP-MDC
– Pair of metal DIN clips
- SCP-PDC
– 1 plastic DIN clip with lever for removal from rail.
- UL1950,
C22.2 (CRU), UL508
- CE and IP20
These easy-to-mount and install power supplies units can be used to regulate
voltage for sensitive electronic equipment run from battery power.
A good example would be a 24 VDC battery system. The battery voltage
can be 30 volts, sometimes higher during charging, and dip below
22 volts under heavy load. The SCD can be used to stabilize the
voltage for those devices not designed to handle wider voltage
swings.
They are also a convenient and inexpensive alternative to running
AC power through a large industrial machine. The SCD can use 24
VDC commonly available on many parts
of the machine to create other voltages needed to run sensors,
transducers and other devices that the machine requires to work
properly.
- Industrial
- Encoders, special sensors, communications and instrumentation
- Telecommunications systems
- Remote Site/Harsh Environment
Low Profile
Catalog
Number |
Description |
Output Voltages |
Min
Load
V1
A |
| V1 |
V2 |
VDC |
A |
VDC |
A |
| 30 Watts; Switching DC
Power Supply |
| SCD30S5-DN |
5 V |
5 |
5.0 |
- |
- |
0 |
| SCD30S12-DN |
12 V |
12 |
2.5 |
- |
- |
0 |
| SCD30S15-DN |
15 V |
15 |
2.0 |
- |
- |
0 |
| SCD30S24-DN |
24 V |
24 |
1.3 |
- |
- |
0 |
| SCD30S48-DN |
48 V |
48 |
0.6 |
- |
- |
0 |
| SCD30D15-DN |
Dual
O/P±15 V |
15 |
0.8 |
-15 |
0.8 |
0.15 |
Parameter |
Condition |
Value |
Input |
| V:DC
Input Voltage |
x |
20 ...72 VDC |
| Filtering
EMI/RFI |
xx |
EN 55011/B, 55022/B |
FSW:
Switching
Frequency |
x |
Typ.
100 kHz |
Output |
DVout:
Output
Voltage Accuracy |
Vin
= 48V, Iout
= max, 25°C
|
V1 £±1%, V2> £±4% |
| DVNF:
Ripple |
Vin
= min, Iout
= max, 25°C
|
£±1%, Vout |
| DVHF:
Noise |
Vin
= min, Iout
= max, 25°C
|
£±2%, Vout |
| Line
Regulation |
Vin
= min, max, 25°C
Iout
= max, 25°C
|
£±0.5%, Vout |
| Load
Regulation |
Vin
= 48 V, 25°C
Iout
= 10...90...10%, 25°C
|
£±0.5%, Vout |
IMAX:
Overcurrent
Protection |
x |
105...130%, Inom |
tR:
Load
Regulation Timing |
10...90...10%,
25°C
|
<4
ms |
Temperature
Coefficient |
TA
= -25...+65°C |
0.01%/K
max |
Overload/
Short Circuit |
Continuous |
| Derating |
TA > 50oC |
5%/K
max |
General |
| tH:
Holdup Time |
Vin = 48 V |
>10
ms |
| TA" Operating Temperature |
x |
-25...+65°C |
| TS" Storage Temperature |
TA
= 25°C
|
-45...+85°C
|
Case
Temperature
Rise at Full Load |
x |
45
K max |
MTBF
at 25oC
(input/output) |
acc. MIL-HDBK-217F |
800,000
hrs |
| Transient
Protection |
x |
EN61000-4-2, 3, 4, 5 |
| Cooling |
x |
Convection |
| Weight |
x |
390
g |
| Case
Material/Potting |
x |
UL94-VO |
| Product
Level |
x |
Level 3 |
| Protection |
x |
IP20 |
|
| *Unscrew DIN connector for
chassis mounting.
|
Pin-Out |
| SCD
30 |
1 |
2 |
3 |
6 |
7 |
| Single |
+V1 |
-V1 |
x |
+IN |
-IN |
| Dual |
V1 |
COM |
V2 |
+IN |
-IN |
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