DATATRONICS LM302-1L

June 15, 2005
TELECOM TRANSFORMER LM302-1L
FEATURES
• Subminature, Low Profile
• 10.7mm seated Height
• Vacuum encapsulated
• Tested at 6500 VDC
• Meets or exceeds requirements of most international safety standards
• Operating Temperature -20ºC to +85ºC, Storage Temperature -40ºC to +85º C
APPLICATIONS
• V.32, V.32 bis and V.34 MODEMS
• INSTRUMENTATION
• TELECOMMUNICATIONS
ELECTRICAL SPECIFICATIONS AT 25°C
IMPEDANCE
PRIMARY
600 Ω
SHUNT INDUCTANCE (MIN)
SECONDARY
600 Ω
SHUNT LOSS (TYP)
TURNS RATIO
2.8 H
9000 Ω
1:1
LEAKAGE INDUCTANCE (TYP) @1KHz
1.5 dB
DC RESISTANCE** (± 10%) PRIMARY
66 Ω
FREQUENCY RESPONSE @200-3500Hz (MAX)
-0.3 dB
SECONDARY
66 Ω
WIDE BAND RESPONSE @200-10 000Hz (MAX)
-2.5 dB
INSERTION LOSS @2KHz (MAX)
RETURN LOSS @200-4000Hz (MIN)
21 dB
INSULATION RESISTANCE @500VDC (MIN)
LONGITUDINAL BALANCE (MIN)
80 dB
DIELECTRIC STRENGTH
DISTORTION @ 1kHz 0 dBM
14 mH
100 MΩ
6500 VDC
≤0.1%
Note : * For use with recommended circuit (BS6305 impedance Class A non-speech or Class B speech)
** LM302-1L Is symmetrical meaning there is no real primary or secondary winding.
OUTLINE DIMENSIONS:
2.5 TYP
4
1
DATATRONIC
LM 302-1L
DATE
8
12.7 +/- 0.15
17.9
MAX
5
17.9 MAX
Dia 0.6 typ (4X)
2.5 TYP
10.7 MAX
4.0 MIN
3.0
TYP
5.08
TYP
3.0
TYP
7.62
5.08
TYP
RECOMMENDED CIRCUITS
600 Ohm Matching (speech)
600 Ω
6 .8 µF ± 5 %
BS6305 Class (A) Matching (non-speech)
33 nF ± 5%
370 Ω
3 .3 µ F
310nF
L IN E
560 Ω
± 2%
27 nF ± 5%
1 : 1 ID E A L
DATATRONIC:
68 nF ± 5%
47 nF ± 5%
620 Ω
820 Ω
± 2%
680Ω ± 5%
1 : 1 ID E A L
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E-Mail: [email protected]nics.com
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All specifications are subject to change without notice.