LM302-1L Datasheet, PDF (1/1 Pages) Datatronic Distribution, Inc. – TELECOM TRANSFORMER 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
• TELECOMMUNICATIONS
ELECTRICAL SPECIFICATIONS AT 25°C
• INSTRUMENTATION
IMPEDANCE
PRIMARY
SECONDARY
TURNS RATIO
INSERTION LOSS @2KHz (MAX)
FREQUENCY RESPONSE @200-3500Hz (MAX)
WIDE BAND RESPONSE @200-10 000Hz (MAX)
RETURN LOSS @200-4000Hz (MIN)
LONGITUDINAL BALANCE (MIN)
DISTORTION @ 1kHz 0 dBM
600 Ω
600 Ω
1:1
1.5 dB
-0.3 dB
-2.5 dB
21 dB
80 dB
≤0.1%
SHUNT INDUCTANCE (MIN)
SHUNT LOSS (TYP)
LEAKAGE INDUCTANCE (TYP) @1KHz
DC RESISTANCE** (± 10%) PRIMARY
SECONDARY
INSULATION RESISTANCE @500VDC (MIN)
DIELECTRIC STRENGTH
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.
2.8 H
9000 Ω
14 mH
66 Ω
66 Ω
100 MΩ
6500 VDC
OUTLINE DIMENSIONS:
1
4
DATATRONIC
LM 302-1L
DATE
17.9
MAX
8
5
17.9 MAX
Dia 0.6 typ (4X)
2.5 TYP
12.7 +/- 0.15
2.5 TYP
10.7 MAX
3.0
TYP
5.08
TYP
7.62
RECOMMENDED CIRCUITS
600 Ohm Matching (speech)
600 Ω
6.8µF ± 5%
L IN E
27 nF ± 5%
3.0
TYP
5.08
TYP
4.0 MIN
BS6305 Class (A) Matching (non-speech)
33 nF ± 5%
560 Ω
± 2%
370 Ω
310nF
620 Ω
3.3µF _{68 nF ± 5%}
680Ω ± 5%
47 nF ± 5%
820 Ω
± 2%
1 : 1 IDEAL
1 : 1 IDEAL
DATATRONIC: 28151 Highway 74, Romoland, CA 92585 Tel: [phone], Toll Free Tel: [phone], Fax: [phone]
E-Mail: [e-mail]
499 King’s Road, Hong Kong Tel: [phone] Fax: [phone]
All specifications are subject to change without notice.