SMIT-3455 Analog Telephony Modem Couplers DESCRIPTION REMtec
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SUMIDA COMPANY
SMIT-3455
Analog Telephony Modem Couplers DESCRIPTION
REMtech Magnetics SMIT-3455 "Dry" Modem Isolation Transformer suitable V.34 (33.6 kbps) consumer internet analog modem applications compliant with Domestic safety norms. SMIT-3455 been adapted analog modems with data rates V.90 kbps). Watch upcoming Worldwide safety version complying with IEC60950 Supplementary safety standards.
FEATURES
Suitable modem speeds V.34 (33.6 kbps) adapted V.90 kbps). Total Harmonic Distortion rated typ. typ. dBm. Insertion Loss rated 1.70 typ. 1000 Complies with UL1459 safety norms. Reflects Ohms Primary with Ohms Secondary Load. Very small footprint (18.5 17.4 mm). Very Low-Profile (10.0 mm). Industry-standard configuration.
PRODUCT COMPLIANCE
C-UL recognized file number: Pending
NOMENCLATURE (Fig.
SUPPLIER NAME
REMtech
SUPPLIER
SMIT-3455 99-32
DATE CODE
LOCATES TERMINAL
MADE
MECHANICAL DIMENSIONS (Fig.
DIMENSIONS (inches)
17.40 MAX. (0.685) Nomenclature 14.60 MAX. (0.575) 18.50 MAX. 17.50 REF. (0.728 0.689) 1.30 18.50 MAX. (0.051) (0.728) 2.50 MAX. (0.098) Note: Routing conductive traces under transformer recommended. Chamfer Locates Terminal 0.83 (0.034) (Modem) 10.00 MAX. (0.394) Recommended Layout (Line)
Literature Number: DSA.SMIT-3455 Copyright 2000, REMtech Corporation rights reserved. Printed U.S.A. 7/00
North America Tel: 1-847-545-6700 Fax: 1-847-545-6720
Europe Tel: 32-89-328850 Fax: 32-11-300890
Asia Tel: 886-2-2523-6368 Fax: 886-2-2523-6369
Japan Tel: 03-3980-2212 Fax: 03-3980-2213
SMIT-3455
Analog Telephony Modem Couplers ELECTRICAL PERFORMANCE SPECIFICATIONS
Electrical Performance Specifications unless otherwise specified) PARAMETERS Impedance Total Harmonic Distortion Insertion Loss Return Loss CONDITIONS Reflected Primary With Load Secondary IEEE method; 1000 4000 Match (Fig. Safety Standard tested Min. HiPot Voltage Duration Trip Leakage Current 4000 part 68.310 1000 1000 4000 Primary Winding Secondary Winding Primary Secondary; Sec. Max. 1000 1250 1.70 ±0.20 2.00
SUMIDA COMPANY
UNITS Ohms Ohms Vrms Vrms Ohms Ohms mADC Turns
Dielectric Breakdown Isolation Production methods applied:
Frequency Response Longitudinal Balance
Resistance 20°C, ±10% Current Primary Turns Ratio Operating Temperature Storage Temperature Soldering Temperature
MATCH (Fig.
SCHEMATIC EQUIVALENT (Fig.
(Typical Transformer Model kHz) Primary Secondary
RLINE LINE RLOAD Rpri
Lleak
Rsec
MODEM
Turns Ratio
REMtech Corporation makes assertion warranty that circuitry uses thereof disclosed herein non-infringing valid foreign patents. REMtech assumes liability result said specifications reserves right make changes specifications without notice. REMtech does authorize warrant REMtech device life support devices and/or systems. Contact your nearest REMtech Sales Office latest specifications.
Literature Number: DSB.SMIT-3455 Copyright 2000, REMtech Corporation rights reserved. Printed U.S.A. 7/00
North America Tel: 1-847-545-6700 Fax: 1-847-545-6720
Europe Tel: 32-89-328850 Fax: 32-11-300890
Asia Tel: 886-2-2523-6368 Fax: 886-2-2523-6369
Japan Tel: 03-3980-2212 Fax: 03-3980-2213
SUMIDA COMPANY
SMIT-3455
Analog Telephony Modem Couplers STANDARD PACKAGING (Fig.
Standard packaging will provided Tape-and-Reel. Tape-and-Reel specification pending.
Literature Number: DSC.SMIT-3455 Copyright 2000, REMtech Corporation rights reserved. Printed U.S.A. 7/00
North America Tel: 1-847-545-6700 Fax: 1-847-545-6720
Europe Tel: 32-89-328850 Fax: 32-11-300890
Asia Tel: 886-2-2523-6368 Fax: 886-2-2523-6369
Japan Tel: 03-3980-2212 Fax: 03-3980-2213
SMIT-3455
Analog Telephony Modem Couplers PERFORMANCE DATA TOTAL HARMONIC DISTORTION (Fig.
-100 1000 2000 4000 Typical (dB) across Frequency (Hz) -100 1000 2000
SUMIDA COMPANY
Typical (dB) across Frequency (Hz)
4000
INSERTION LOSS (Fig.
Typical Insertion Loss (dB) across Frequency (Hz) 1000 2000 4000
FREQUENCY RESPONSE (Fig.
Typical Frequency Response (dB) across Frequency (Hz) 1000 2000 4000
RETURN LOSS (Fig.
Typical Return Loss (dB) across Frequency (Hz) 1000 2000 (Measured Match depicted Fig. 4000
REMtech Corporation makes assertion warranty that circuitry uses thereof disclosed herein non-infringing valid foreign patents. REMtech assumes liability result said specifications reserves right make changes specifications without notice. REMtech does authorize warrant REMtech device life support devices and/or systems. Contact your nearest REMtech Sales Office latest specifications.
Literature Number: DSD.SMIT-3455 Copyright 2000, REMtech Corporation rights reserved. Printed U.S.A. 7/00
North America Tel: 1-847-545-6700 Fax: 1-847-545-6720
Europe Tel: 32-89-328850 Fax: 32-11-300890
Asia Tel: 886-2-2523-6368 Fax: 886-2-2523-6369
Japan Tel: 03-3980-2212 Fax: 03-3980-2213
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