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SM537-1 Datasheet, PDF (1/1 Pages) Bourns Electronic Solutions – ADSL Line Transformers
March 7, 2007
SM537-1 ADSL Line Transformers
Features
y For use with Analog Devices AD20msp930 ADSL Chipset (Central
Office)
y Excellent Total Harmonic Distortion (THD) Performance
y SMT and Small size package
y Designed to meet UL1950 and EN60950 supplementary insulation
requirements for voltages up to 250 Vrms maximum
ELECTRICAL SPECIFICATIONS AT 25°C:
TURNS RATIO (10-7):(1-4)
OCL @10kHz, 0.1V
(1-4) WITH (2-3) SHORTED
(10-7) WITH (8-9) SHORTED
LEAKAGE INDUCTANCE @100kHz 0.1V
(10-7) WITH (2-3), (1-4), (8-9) SHORTED
LONGITUDINAL BALANCE
10kHz TO 1.1MHz
INSERTION LOSS @300kHz
ISOLATION VOLTAGE (MAX)
LOAD RESISTANCE
DC RESISTANCE
(1-4) WITH (2-3) SHORTED
(10-7) WITH (8-9) SHORTED
THD LINEARITY @30kHz
APPLICATION
OPERATING TEMP: -40°C to +85°C
1 : 1.1±2%
2.03mH MIN
1.75mH MIN
7.5µH MAX
50dB MIN
<0.5dB
1500 Vrms
100Ω
1.30Ω MAX
1.50Ω MAX
-80dB TYP
CO
OUTLINE DIMENSIONS
SCHEMATIC
NOTES:
1. Dimensions are shown in inches/millimeters
Unless otherwise specified, tolerance
= Inches: ±0.010
= Millimeters: ±0,25
2. For non-RoHS parts replace SM prefix with 42-
(e.g. SM537-1 becomes 42-537-1)
3. Terminal finish is compliant to RoHS
requirements. Solder in accordance with
J-STD-020C.
DATATRONIC:
28151 Highway 74, Romoland, CA 92858 Tel: 951-928-7700 Toll Free: 888-889-5391 Fax: 951-928-7701
Email: ddisales@datatronics.com
499 King’s Road, Hong Kong Tel: (852) 2562 3858, (852) 2564 8477 Fax: (852) 2565 7214, (852) 2563 1290
All specifications are subject to change without notice.