FS28-700 Triad Magnetics, FS28-700 Datasheet

Transformers 28V CT 20VA XFMR

FS28-700

Manufacturer Part Number
FS28-700
Description
Transformers 28V CT 20VA XFMR
Manufacturer
Triad Magnetics
Datasheet

Specifications of FS28-700

Power Rating
20 VA
Primary Voltage Rating
115 V / 230 V
Secondary Voltage Rating
14 V / 28 V
Mounting Style
SMD/SMT
Dimensions
2.25 in L x 1.875 in W x 1.437 in H
Product
Power Transformers
Height
1.437 in
Length
2.25 in
Termination Style
Solder
Width
1.875 in
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
FS28-700
Description:
The FS28-700 is a dual primary and dual secondary, split bobbin design which
operates with either a parallel input of 115V or a series input of 230V. The output
voltage will be either 28.0V with a center-tap under a 0.7A load with the
secondaries wired in series, or 14.0V under a 1.4A load with the secondaries
wired in parallel. The split bobbin design eliminates the need for costly
electrostatic shielding.
Electrical Specifications (@25C)
1. Maximum Power: 20.0VA
2. Primary:
3. Secondary: Series: 28.0V CT@ 0.7A; Parallel: 14.0V @ 1.4A
4. Voltage Regulation: 25% TYP @ full load to no load
5. Temperature Rise: 25C TYP
6. Hipot tested 100% at 2500 VRMS
Construction:
Three flange bobbin construction with primaries and secondaries wound side by
side for low capacitive coupling.
Agency File:
UL: File E53148, UL 5085-2 (506), Class B General Purpose Transformer,
cUL: File E53148, UL 5085-2 (506), Class B General Purpose Transformer,
Canadian Use (CSA 22.2, No.66.2-06)
This model is also available in Class 2, UL 5085-3 (1585) version as
Dimensions:
Weight: 0.80 lbs
Schematic:
RoHS Compliance: As of manufacturing date February 2005, all standard
products meet the requirements of 2002/95/EC, known as the RoHS initiative.
As of April 7, 2008, UL standards 506 and 1585 will be migrated to UL 5085-2 and
5085-3, respectably.
* Upon printing, this document is considered “uncontrolled”. Please contact
Web: www.TriadMagnetics.com
Phone 951-277-0757
Fax 951-277-2757
1.437
115/230V
50/60Hz
Triad Magnetics’ website for the most current version.
H
1.875
3
1
2
4
W
Series: 230V; Parallel: 115V
2.25
L
0.300
5
7
8
6
A
22520B Temescal Canyon Road
Corona, California
92883
115/230V
0.400
50/60Hz
B
PARALLEL
1.600
C
1
2
3
4
0.041
115/230V
D
50/60Hz
Units in inches.
P
P C M O U N T : SPLIT PACK
O W E R
SERIES
0.020
E
FS28-700-C2
1
2
3
4
0.234
T
F
Publish Date: April 11, 2008
R A N S F O R M E R
5
1
1
Board Layout
E
A
2
0.06" DIAMETER
D
W
B
L
3
HOLE
A
4
8
4
C
F
H

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