Analog Telephony/Modem Couplers Suitable modem speeds V.34 (33.6

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Analog Telephony/Modem Couplers Suitable modem speeds V.34 (33.6

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SMIT-2412
Analog Telephony/Modem Couplers
Suitable modem speeds V.34 (33.6 kbps). Total Harmonic Distortion rated typ. dBm. Insertion Loss rated 2.65 typ. 1000 Complies with UL1459 safety norms. Reflects Ohms Primary with Ohms Secondary Load. Ultra-small footprint (15.4mm 8.25 mm). Thin (PCMCIA) Profile (4.31 mm). Industry-standard configuration.
(Suffix thru form)
DESCRIPTION
Sumida SMIT-2412 "Dry" Modem Isolation Transformer suitable V.34 (33.6 kbps) analog modem applications requiring exceptionally small size thin profile compliant with Domestic safety norms.
NOMENCLATURE
SUPPLIER
(fig.
SUPPLIER NAME
2412X
PRODUCT COMPLIANCE
LOCATES TERMINAL
C-UL recognized file number:
E171120
MECHANICAL DIMENSIONS
DIMENSIONS: MILLIMETERS [INCHES]
4.31 MAX. [0.170] 8.25 MAX. [0.325] 0.25 [0.010] 2.44 [0.096]
(fig.
RECOMMENDED LAYOUT 5.08 [0.200] 15.00 [0.591] 1.50 [0.059 SQ.]
TERMINAL CONNECTION (BOTTOM VIEW)
Nomenclature
11.80 MAX. [0.465]
15.40 REF. [0.606]
(LINE)
(MODEM)
Suffix
Suffix
Literature number: SMIT-2412 ©Copyright 2001, Sumida Corporation rights reserved. Printed U.S.A. 11/01
www.sumida.com
North America Hong Kong Europe Tel. 6700 Fax. 6720 Tel. 2880 6688 Fax. 2565 9600 Tel. 328850 Fax. 300890 Singapore Taiwan Japan Tel. 3388 Fax. 3390 Tel. 2523 6368 Fax. 2523 6369 Tel. 3980 2212 Fax. 3980 2213
SMIT-2412
Analog Telephony/Modem Couplers
Electrical Performance Specifications
Parameters
Impedance Total Harmonic Distortion Insertion Loss Return Loss
Conditions
Reflected Primary with load Secondary
IEEE method; @2000
Hz-3500 Match (Fig.
2.65
Units
Ohms
3.55
Vrms Vrms
1000 1250 ±0.15
Dielectric Breakdown Isolation Safety Standard tested min. HiPot Voltage Production methods applied: Duration Trip Leakage Current Frequency Response Longitudinal Balance 3500 part 68.310 -1000 1000 4000 Resistance 20°C, ±10% current Primary Turns Ratio Operating temperature Storage temperature Soldering temperature Sec. Primary Secondary; Primary winding (Rpri) Secondary winding (Rsec)
Ohms mADC Turns
Electrical Performance Specifications 25°C unless otherwise specified)
MATCH
(FIG.3)
SCHEMATIC EQUIVALENT
Typical transformer model 1Vrms,
Primary Secondary
Rpri =160
RLoad=
(FIG.4)
RLine=
LLeak=0.63
RSec=140 MODEM
LINE
Lp=2H
Rp=13.2k
Turns Ratio
Sumida Corporation makes assertion warranty that circuitry uses thereof disclosed herein non-infringing valid foreign patents. Sumida assumes liability result said specifications reserves right make changes specifications without notice. Sumida does authorize warrant Sumida device life support devices and/or systems. Contact your nearest Sumida Sales Office latest specifications.
Literature number: SMIT-2412 ©Copyright 2001, Sumida Corporation rights reserved. Printed U.S.A. 11/01
Analog Telephony/Modem Couplers
TAPE REEL PACKAGING
330.2 Dia. [13.00] Cover Tape Thickness 0.051 Max. [0.002] 5.35 Max. [0.211]
SMIT-2412
(FIG.6)
0.35 Max. [0.014]
1.75 0.10 [0.069 0.004]
2.00 0.10 [0.079 0.004]
1.50 0.10 [0.059 0.004]
4.00 0.10 [0.157 0.004]
11.50 0.10 [0.453 15.80 0.10 [0.622 0.004] 24.00 0.30 [0.945 0.012]
5.00 Max. [0.197]
0.30 Max. [0.012]
Cover Tape
0.50 Typ. [0.020]
16.00 0.10 [0.630 0.004]
10.60 0.10 [0.417 0.004]
Min. [0.059]
Embossed Carrier
Embossment
User Direction Feed
Material Tape
PACKAGING Contents Reel
#Transformers
PERFORMANCE DATA
TOTAL HARMONIC DISTORTION
-100 1000 2000 4000 Typical (dB) across Frequency (Hz) -1.0 -2.0 -3.0 -4.0
FREQUENCY RESPONSE
Typical Frequency Response (dB) across Frequency (Hz)
1000
2000
4000
INSERTION LOSS
-0.5 -1.0 -1.5 -2.5 -3.0 -3.5 -4.0 1000 2000 4000 Typical Insertion Loss (dB) across Frequency (Hz)
RETURN LOSS
Typical Return Loss (dB) across Frequency (Hz)
1000 2000 (Measured Match depicted Fig.
4000
Literature number: SMIT-2412 ©Copyright 2001, Sumida Corporation rights reserved. Printed U.S.A. 11/01

Analog Telephony/Modem Couplers Suitable modem speeds V.34 (33.6

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