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| Datasheet File OCR Text: |
| 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 -20C to +85C, Storage Temperature -40C to +85 C APPLICATIONS * V.32, V.32 bis and V.34 MODEMS * INSTRUMENTATION * TELECOMMUNICATIONS ELECTRICAL SPECIFICATIONS AT 25C IMPEDANCE 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 PRIMARY SECONDARY 600 600 1:1 1.5 dB -0.3 dB -2.5 dB 21 dB 80 dB 0.1% INSULATION RESISTANCE @500VDC (MIN) DIELECTRIC STRENGTH 100 M 6500 VDC SHUNT INDUCTANCE (MIN) SHUNT LOSS (TYP) LEAKAGE INDUCTANCE (TYP) @1KHz DC RESISTANCE** ( 10%) PRIMARY SECONDARY 2.8 H 9000 14 mH 66 66 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: 1 4 2.5 TYP DATATRONIC LM 302-1L DATE 17.9 MAX 12.7 +/- 0.15 8 17.9 MAX 5 Dia 0.6 typ (4X) 2.5 TYP 10.7 MAX 4.0 MIN 3.0 TYP 5.08 TYP 7.62 3.0 TYP 5.08 TYP RECOMMENDED CIRCUITS 600 Ohm Matching (speech) 600 6 .8 F 5 % 33 nF 5% BS6305 Class (A) Matching (non-speech) 370 310nF 3 .3 F 68 nF 5% 47 nF 5% L IN E 27 nF 5% 560 2% 620 680 5% 820 2% 1 : 1 ID E A L 1 : 1 ID E A L 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. |
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