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Электронный компонент: 0574-1000-05

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defining a degree of excellence
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432- 0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
MODEM TRANSFORMER
0574-1000-05
Insertion loss measured at 1000Hz.
Reflected impedance, distortion, Longitudinal balance measured
with 312 ohms across the secondary.
Harmonic Distortion is typically -89dB. The -82dB max is measured at 600Hz,
-10dBm (V.34) ref.
0574-1000-05
Part
Number
+/- 0.25
300Hz to 4000Hz
Frequency
Response (dB)
referenced at 1000Hz
Part
Number
1 : 1
2.5
600
30
145
140
60
40
-82
Pins
(6-4)
Pins
(1-3)
0574-1000-05
Reflected
Impedance
(ohms)
+/-5%
Insertion
Loss (dB)
+/- 0.25dB
Turns
Ratio
(+/- 2%)
1000Hz
Typical
Return Loss
(dB)
200Hz to
1000Hz
1000Hz to
4000Hz
Longitudinal
Balance (dB) Min
DCR
(
) +/- 10%
600Hz
Harmonic
Distortion
(dB) Max
* 1250 Vrms isolation Voltage.
* Meets or exceeds requirements of:
CAN/CSA-C22.2 (1988) No. 225(M90),
and DOC's C3-03 (Issue 7): UL's
UL1950; 2nd edition; and FCC's
Part 68(58 FR 44907, Aug 25, 1993).
* Weight is 5.0 grams.
Bel proudly introduces a new modem transformer for
data/fax modem applications including V.34bis 28,800 bps
applications. These
transformers exhibit
very low distortion
values, typically -89dB.
Date Code
bel
0574-1000-05
0.197(5.00)
Typ
0.470
(11.94)
Max
0.025
(0.64)
Square
0.394
(10.0)
0.10
(2.54)
Min
M
E
C
H
A
N
I
C
A
L
S
Pin 1
4
5
6
0.550
(13.97)
Max
3
0.550(13.97)
Max
Dimensions are in inches (mm).
Dimension tolerance +/- 0.01(0.25)
unless otherwise stated.
Secondary
1
Primary
6
4
3
SCHEMATIC
TM0042
ELECTRICALS
@ 25
O
C.
T402