LM302-1L DATATRONICS | Alldatasheet

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Technical content

June 15, 2005 DATATRONIC: 28151 Highway 74, Romoland, CA 92585 Tel: 951-928-7700, Toll Free Tel: 888-889-5391, Fax: 951-928-7701 E-Mail: ddisales@datatronics.com

499 King’s Road, Hong Kong Tel: (852) 2562 3858, ( 852) 2564 84 77 Fax: (852) 2565 7214, (852) 2563 1290

All specifications are subject to change without notice. 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 S E C O N D A R Y 600 Ω 600 Ω SHUNT INDUCTANCE (MIN) SHUNT LOSS (TYP) 2.8 H 9000 Ω TURNS RATIO 1 : 1 LEAKAGE INDUCTANCE (TYP) @1KHz 14 mH INSERTION LOSS @2KHz (MAX) FREQUENCY RESPONSE @200-3500Hz (MAX) WIDE BAND RESPONSE @200-10 000Hz (MAX) 1.5 dB -0.3 dB -2.5 dB DC RESISTANCE** (± 10%) PRIMARY SECONDARY 66 Ω 66 Ω RETURN LOSS @200-4000Hz (MIN) LONGITUDINAL BALANCE (MIN) DISTORTION @ 1kHz 0 dBM 21 dB 80 dB ≤0.1% INSULATION RESISTANCE @500VDC (MIN) DIELECTRIC STRENGTH 100 MΩ

6500 VDC

Note : * For use with recommended circuit (BS 6305 impedance Class A non-speech or Class B speech) ** LM302-1L Is symmetrical meaning ther e is no real primary or secondary winding. OUTLINE DIMENSIONS:

2.5 TYP

Dia 0.6 typ (4X) 1 4 5 8 7.62 5.08 TYP

10.7 MAX

12.7 +/- 0.15 17.9 17.9 3.03.0 TYPTYP MAX MAX

4.0 MIN

5.08 TYP RECOMMENDED CIRCUITS

600 Ohm Matching (speech)

1 : 1 IDEAL 600 Ω 6.8 µF ± 5% 560 Ω ± 2% 33 nF ± 5% LINE 27 nF ± 5% BS6305 Class (A) Matching (non-speech) 1 : 1 IDEAL 370 Ω 310nF 620 Ω 3.3 µF 68 nF ± 5% 680 Ω ± 5% 820 Ω ± 2% 47 nF ± 5%