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AC / DC Transformers |
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Farnsworth Electronics, Inc. offers a wide variety of
AC-AC
and
AC-DC
Power Transformers
along with In-Line Transformers, Control
Transformers, Step Down Transformers, Line Matching
Transformers,
Isolation Transformers, Adjustable Transformers and others.
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All transformers are
UL Listed.
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We've got one of
our featured vendors, Philmore Manufacturing's
catalog available online. |
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Click here to
see the catalog. |
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Click on the
following links for much more information: |
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Did you know when
transformers are plugged into the wall the consume power even if
they aren't hooked
directly to a device? It's true. They also
waste power when powering a device. If
you have ever felt one
and it was warm, that is wasted energy
turned to heat. The power consumption is not large -- on the
order of 1 to 5 watts per transformer. But it does add
up. Let's say that you have 10 of them,
and they consume 5 watts
each. That means that 50 watts are being wasted constantly. If a
kilowatt-
hour costs a dime in your area, that means you are
spending a dime every 20 hours. That's about $44
every year down
the drain. Or, think of it this way -- there are roughly 100
million households in the
United States. If each household
wastes 50 watts on these transformers, that's a total of 5
billion watts.
As a nation, that's half a million dollars wasted
every hour, or $4,380,000,000 wasted every year!
Think of what
you could do with 4 billion dollars. |
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Information taken from
howstuffworks.com |
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AC
/ DC Transformers & Adaptors |
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Multiple Voltage DC Power Supplies
(Battery Eliminators,
DC Adaptors) Blade type
"wall-wart" shape, plugs
into 110-120 VAC Wall outlet.
It is easier to carry
just one adaptor for your radios, calculator and
other battery operated appliances.
Each of these
three power supplies can be switched to select from
a range of commonly used voltages.
All have these
voltages: 3, 4.5, 6, 7.5, 9, 12 volts DC
and the
model BE226 has all and also 1.5 volts DC:
just set
a slide switch to select the voltage.
These adaptors all have DC Power connectors plug
adaptors that will mate with most radios and
calculators, games etc. All have a polarity
reversing feature so that
you may set the center to
either positive or negative.
The 300 mA unit is
usually enough for radios and
calculators. Lager
radios may need one of the bigger
units, so check
the current specs for your equipment
and buy a
supply rated slightly larger (higher
current value).
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Item Number: # BE226
(0.3 AMP)
Item Number: # BE227
(0.5 AMP)
Item Number: # BE240
(0.8 AMP)
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WORLD
TRAVELER AC/DC ADAPTOR (600 mA)
Designed for serious travelers; use either of two
input voltages, 110/220 volts AC. Include is
European round pin adaptor. User can select output
voltage from these:
1.5, 3, 4.5, 6, 7.5, 9 and 12 V
DC. Adaptor set will adapt
the output connector to
fit radios, recorders, handheld games, calculators,
adding machines and so on. Use in
North America,
South American, Europe and much of Asia.
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Item Number: # 48-140
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AC to DC POWER
SUPPLIES (TRANSFORMERS)
(Wall Adaptor Style)
120 Volts AC, 60Hz, power
input
to various, DC outputs for,
operating small circuits
of any kind.
Terminated with a 3.5mm
plug,
tip positive.
User could remove
plug and
replace with his own when
needed or use
an adaptor.
Cord is six foot.
Output is
clean, adequate for
use with radios and
other
audio equipment as well
as
calculators,
for charger’s
and an endless list
of
small devices.
UL listed.
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Item Number: # MW310
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Item Number: # MW450
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Item Number: # MW630
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Item Number: # MW930
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Item Number: # MW950
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Item Number: # MW1230
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Item Number: # MW1250
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Item Number: # MW1280
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Item Number: # MW1830
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INPUT AC / OUTPUT DC MULTI-VOLT, 0.5 AMP WITH MULTI-PLUGS
Item Number: # DC-M-500
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INPUT AC / OUTPUT DC MULTI-VOLT, 1 AMP WITH MULTI-PLUGS
Item Number: # DC-M-1
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INPUT 120 VAC / OUTPUT 5 VDC, 2.6 AMP
WITH 2.1 MM PLUG
Item Number: # DC-5-2.6-2.1
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INPUT 120 VAC / OUTPUT 6 VDC, 0.5 AMP
WITH 2.1 MMPLUG
Item Number: # DC-6-500-2.1
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INPUT 120 VAC / OUTPUT 6 VDC, 0.5 AMP
WITH 3.5 MM PLUG
Item Number: # DC-6-500-3.5
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INPUT 120 VAC / OUTPUT 9 VDC, 0.5 AMP WITH 2.1
MM
PLUG
Item Number: # DC-9-500-2.1
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INPUT 120 VAC / OUTPUT 9 VDC, 0.5 AMP
WITH 3.5 MM PLUG
Item Number: # DC-9-500-3.5
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INPUT 120 VAC / OUTPUT 9 VDC, 0.6 AMP
WITH 2.5 MM PLUG
Item Number: # DC-9-600-2.5
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INPUT 120 VAC / OUTPUT 9 VDC, 1 AMP
WITH 2.1 MM PLUG
Item Number: # DC-9-1.0-2.1
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INPUT 120 VAC / OUTPUT 9 VDC, 1 AMP
WITH 3.5 MM PLUG
Item Number: # DC-9-1.0-3.5
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INPUT 120 VAC / OUTPUT 12 VDC, 0.5
AMP WITH 2.1 MM PLUG
Item Number: # DC-12-500-2.1
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INPUT 120 VAC / OUTPUT 12 VDC, 0.5
AMP WITH 2.5 MM PLUG
Item Number: # DC-12-500-2.5
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INPUT 120 VAC / OUTPUT 12 VDC, 0.5
AMP WITH 3.5 MM PLUG
Item Number: # DC-12-500-3.5
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INPUT 120 VAC / OUTPUT 12 VDC, 1 AMP
WITH 2.1 MM PLUG
Item Number: # DC-12-1.0-2.1
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INPUT 120 VAC / OUTPUT 12 VDC, 1 AMP
WITH 2.5 MM PLUG
Item Number: # DC-12-1.0-2.5
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INPUT 120 VAC / OUTPUT 12 VDC, 1 AMP
WITH 3/5 MM PLUG
Item Number: # DC-12-1.0-3.5
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INPUT 120 VAC / OUTPUT 12 VDC, 1.5
AMP WITH 2.5 MM PLUG
Item Number: # DC-12-1.5-2.5
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INPUT 120 VAC / OUTPUT 15 VDC, 1 AMP
WITH 2.1 MM PLUG
Item Number: # DC-15-1.0-2.1
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INPUT 120 VAC / OUTPUT 15 VDC, 1 AMP
WITH 2.5 MM PLUG
Item Number: # DC-15-1.0-2.5
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INPUT 120 VAC / OUTPUT 15 VDC, 1 AMP
WITH 3.5 MM PLUG
Item Number: # DC-15-1.0-3.5
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INPUT 120 VAC / OUTPUT 18 VDC, 0.5
AMP WITH 2.1 MM PLUG
Item Number: # DC-18-500-2.1
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INPUT 120 VAC / OUTPUT 24 VDC, 0.4
AMP WITH 3.5 MM PLUG
Item Number: # DC-24-400-3.5
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INPUT 120 VAC / OUTPUT 24 VDC, 0.6
AMP WITH 2.1 MM PLUG
Item Number: # DC-24-600-2.1
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INPUT 120 VAC / OUTPUT 24 VDC, 1.2
AMP WITH 2.1 MM PLUG
Item Number: # DC-24-1.2-2.1
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INPUT 120 VAC / OUTPUT 24 VDC, 1.2
AMP WITH 2.5 MM PLUG
Item Number: # DC-24-1.2-2.5
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INPUT 120 VAC / OUTPUT 24 VDC, 1.2
AMP WITH 3.5 MM PLUG
Item Number: # DC-24-1.2-3.5
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