for other values & custom designs, contact factory. specifications subject to change without notice. 15801 chemical lane, huntington beach, ca 92649-1595 tel: (714) 898-0960 ? fax: (714) 896-0971 rhombus industries inc. coupling - 9/98 modem coupling & voiceband transformers low distortion low profile /smd versions most parts listed are suitable for v.32 applications dimensions in inches (mm) package for t-33000 & t-843 4 footprint contact surface area, not pcb pad layout .248 (6.30) .394 (10.0) .080 (2.0) .012 (0.3) .022 (0.55) .453 (11.50) .024 (0.6) typ. .410 (10.4) .080 (2.0) typ. .024 (0.6) typ. 1 8 4 5 parameter t-33000 t-843 units impedance pri. 600 600 w r load sec. 487 600 w turns ratio + 2% 1:1 1:1 direct current in pri. (dci) maximum 0 0 ma dc resistance pri. 67 + 10% 55 + 10% w sec. 85 + 10% 43 + 10% w insertion loss max., ref. 1 khz 1.5 1.0 db return loss min., 300 hz to 3.5 khz 25 20 db longitudinal balance minimum 60 -- db 60hz - 1khz frequency response 300 hz to 3.5 khz + 0.5 + 0.7 db total harmonic distortion typ. 600 hz, -10 dbm -60 -- db isolation minimum 1250 150 v rms schematic style a c electrical specifications at 25 o c 1 4 5 8 schematic "c" 2 3 8 5 schematic "a" pri sec. pri sec.
for other values & custom designs, contact factory. specifications subject to change without notice. 15801 chemical lane, huntington beach, ca 92649-1595 tel: (714) 898-0960 ? fax: (714) 896-0971 rhombus industries inc. 1 5 10 6 schematic "b" 1 2 3 6 5 4 schematic "d" modem coupling & voiceband transformers low distortion low profile /smd versions most parts listed are suitable for v.32 applications parameter T-31103 t-531 units impedance pri. 600 600 w r load sec. 365 470 w turns ratio + 2% 1:1 1:1 direct current in pri. (dci) maximum 0 0 ma dc resistance pri. 118 + 10% 68 max. w sec. 118 + 10% 102 max. w insertion loss max., ref. 1 khz 2.15 1.2 db return loss min., 300 hz to 3.5 khz 25 30 db longitudinal balance minimum 60 60 db 200hz - 1khz 200hz - 4khz frequency response 300 hz to 3.5 khz + 0.25 + 0.25 db isolation minimum 1100 1100 v rms schematic style b d electrical specifications at 25 o c .394 (10.00) max. .375 (9.53) max. .110 (2.79) min. .080 (2.03) .039 (0.99) .098 (2.49) .024 (0.61) .465 (11.81) max. bottom view 123 654 ep7 style thru-hole package for t-531 .290 (7.37) .606 (15.4) .100 (2.5) .012 (0.30) .028 (0.7) .630 (16.0) .032 (0.8) typ. .575 (14.6) .100 (2.5) typ. .028 (0.7) typ. package for T-31103 5 footprint contact surface area, not pcb pad layout dimensions in inches (mm) coupling - 9/98 pri sec. pri sec. .370 (9.40) max. .098 (2.50) .028 (0.70) .375 (9.53) max. .34 (8.6) .505 (12.83) .490 (12.45) .375 (9.53) max. .025 (0.64) ep7 style surface mount package for t-531sm
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