signals st and dst transformers use a split bobbin that provides superior isolation and low capacitive coupling. general specifications ? power - 1.1 va to 36 va ? dielectric strength - 2500 vrms hipot ? primaries - single or dual primaries, 115 v or 115/230 v, 50/60 hz ? secondaries - series or parallel ? electrostatic shield - not necessay, split bobbin construction ? insulation system - class b, 130 c ? mounting hardware - see chart agency certifications ? ul 1446 class b insulation systems, file # e66312 ? ul recognized 506 / ul 5085-1, 2, file # e63829 ? csa certified to c22.2 #66.1, file # 221070 ? ccsaus certified to c22.2 #66.3 / ul 5085-3, file #221070 ? class 2 C marked with (*) or (**) or (#) **csa certified as inherently limited * csa certified as non inherently limited C see recommended fuse rating on next page # ul recognized ul5083-3, inherently limited file # e116583 split bobbin with high isolation split/tran tm ,specialty purpose & class 2 transformers ? printed circuit mount custom versions available upon request. part number secondary rms rating single 115v 6 pin dual 115/230v 8 pin series parallel st-2-10** dst-2-10** 10vct @ 0.11a 5v @ 0.22a st-3-10* dst-3-10* 10vct @ 0.25a (5) 5v @ 0.5a (9) st-4-10* dst-4-10* 10vct @ 0.6a (9) 5v @ 1.2a (11) st-5-10* dst-5-10* 10vct @ 1.2a (11) 5v @ 2.4a (12) st-6-10 dst-6-10 10vct @ 2.0a 5v @ 4.0a st-7-10 dst-7-10 10vct @ 3.6a 5v @ 7.2a st-2-12** dst-2-12** 12.6vct @ 0.09a 6.3v @ 0.18a st-3-12* dst-3-12* 12.6vct @ 0.2a (4) 6.3v @ 0.4a (8) st-4-12* dst-4-12* 12.6vct @ 0.5a (9) 6.3v @ 1.0a (11) st-5-12* dst-5-12* 12.6vct @ 1.0a (11) 6.3v @ 2.0a (13) st-6-12 dst-6-12 12.6vct @ 1.6a 6.3v @ 3.2a st-7-12 dst-7-12 12.6vct @ 2.85a 6.3v @ 5.7a st-2-16** DST-2-16** 16vct @ 0.07a 8v @ 0.14a st-3-16* dst-3-16* 16vct @ 0.15a (3) 8v @ 0.3a (6) st-4-16* dst-4-16*# 16vct @ 0.4a (7) 8v @ 0.8a (10) st-5-16* dst-5-16* 16vct @ 0.8a (10) 8v @ 1.6a (11) st-6-16 dst-6-16 16vct @ 1.25a 8v @ 2.5a st-7-16 dst-7-16 16vct @ 2.25a 8v @ 4.5a st-2-20** dst-2-20** 20vct @ 0.055a 10v @ 0.11a st-3-20* dst-3-20* 20vct @ 0.12a (2) 10v @ 0.24a (5) st-4-20* dst-4-20* 20vct @ 0.3a (6) 10v @ 0.6a (9) st-5-20* dst-5-20* 20vct @ 0.6a (9) 10v @ 1.2a (11) st-6-20 dst-6-20 20vct @ 1.0a 10v @ 2.0a st-7-20 dst-7-20 20vct @ 1.8a 10v @ 3.6a st-2-24** dst-2-24** 24vct @ 0.045a 12v @ 0.09a st-3-24* dst-3-24* 24vct @ 0.1a (1) 12v @ 0.2a (4) st-4-24* dst-4-24*# 24vct @ 0.25a (5) 12v @ 0.5a (9) st-5-24* dst-5-24*# 24vct @ 0.5a (9) 12v @ 1.0a (11) st-6-24 dst-6-24 24vct @ 0.8a 12v @ 1.6a st-7-24 dst-7-24 24vct @ 1.5a 12v @ 3.0a part number secondary rms rating single 115v 6 pin dual 115/230v 8 pin series parallel st-2-28 dst-2-28 28vct @ 0.04a 14v @ 0.08a st-3-28 dst-3-28 28vct @ 0.085a 14v @ 0.17a st-4-28 dst-4-28 28vct @ 0.2a 14v @ 0.4a st-5-28 dst-5-28 28vct @ 0.42a 14v @ 0.84a st-6-28 dst-6-28 28vct @ 0.7a 14v @ 1.4a st-7-28 dst-7-28 28vct @ 1.3a 14v @ 2.6a st-2-36 dst-2-36 36vct @ 0.03a 18v @ 0.06a st-3-36 dst-3-36 36vct @ 0.065a 18v @ 0.13a st-4-36 dst-4-36 36vct @ 0.17a 18v @ 0.34a st-5-36 dst-5-36 36vct @ 0.35a 18v @ 0.7a st-6-36 dst-6-36 36vct @ 0.55a 18v @ 1.1a st-7-36 dst-7-36 36vct @ 1.0a 18v @ 2.0a st-2-48 dst-2-48 48vct @ 0.023a 24v @ 0.046a st-3-48 dst-3-48 48vct @ 0.05a 24v @ 0.1a st-4-48 dst-4-48 48vct @ 0.125a 24v @ 0.25a st-5-48 dst-5-48 48vct @ 0.25a 24v @ 0.5a st-6-48 dst-6-48 48vct @ 0.4a 24v @ 0.8a st-7-48 dst-7-48 48vct @ 0.75a 24v @ 1.5a st-2-56 dst-2-56 56vct @ 0.02a 28v @ 0.04a st-3-56 dst-3-56 56vct @ 0.045a 28v @ 0.09a st-4-56 dst-4-56 56vct @ 0.11a 28v @ 0.22a st-5-56 dst-5-56 56vct @ 0.22a 28v @ 0.44a st-6-56 dst-6-56 56vct @ 0.35a 28v @ 0.7a st-7-56 dst-7-56 56vct @ 0.65a 28v @ 1.3a st-2-120 dst-2-120 120vct @ 0.01a 60v @ 0.02a st-3-120 dst-3-120 120vct @ 0.02a 60v @ 0.04a st-4-120 dst-4-120 120vct @ 0.05a 60v @ 0.1a st-5-120 dst-5-120 120vct @ 0.1a 60v @ 0.2a st-6-120 dst-6-120 120vct @ 0.16a 60v @ 0.32a st-7-120 dst-7-120 120vct @ 0.3a 60v @ 0.6a 34 ?2013 signal transformer inc. specifcations subject to change without notice. 08.13 s m 500 bayview avenue, inwood, ny 11096 toll free 866 -239-5777 ? tel 516-239-5777 ? fax 516-239-7208 sales@signaltransformer.com ? techhelp@signaltransformer.com www.signaltransformer.com
split bobbin with high isolation split/tran? low power transformers custom versions available upon request. size va l w h ml a b c optional mounting screw & nut ? weight inches (mm) lbs (kg) 2 1.1 1.37 (34.9) 1.12 (28.6) 0.97 (24.6) - 0.25 (6.4) 0.25 (6.4) 1.20 (30.5) - 0.17 (0.08) 3 2.4 1.37 (34.9) 1.12 (28.6) 1.21 (30.8) - 0.25 (6.4) 0.25 (6.4) 1.20 (30.5) - 0.25 (0.11) 4 6 1.62 (41.3) 1.31 (33.3) 1.31 (33.3) 1.06 (26.9) 0.25 (6.4) 0.35 (8.9) 1.25 (32.5) nylon 4 - 4 0 x 1 . 3 7 (4-40 x 34.9) 0.44 (0.20) 5 12 1.91 (48.4) 1.59 (40.4) 1.45 (36.9) 1.25 (31.8) 0.30 (7.6) 0.40 (10.2) 1.41 (35.8) nylon 4 - 4 0 x 1 . 3 7 (4-40 x 34.9) 0.70 (0.32) 6 20 2.25 (57.2) 1.88 (47.8) 1.45 (36.9) 1.50 (38.1) 0.30 (7.6) 0.40 (10.2) 1.60 (40.6) nylon 4 - 4 0 x 1 . 3 7 (4-40 x 34.9) 0.80 (0.36) 7 36 2.62 (66.7) 2.18 (55.5) 1.59 (40.4) ? ? 0.40 (10.2) 0.40 (10.2) 1.85 (47.0) ? ? 1.1 (0.50) ? available from signal, part numbers st-ms (screw) and st-mn (nut). ??size 7 has 4 mounting holes on 2.18 x 1.75 centers for #6 screws. ** inherently limited * non inherently limited recommended secondary fuse value specified as below: 1 6 pin t ype st 115v 50/60 hz 5 6 8 7 4 indicates lik e p olar it y 1 8 pin t ype dst 115/230v 50/60 hz 5 6 8 7 3 4 2 indicates lik e p olar it y see accessories page for mounting screw information. (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) 0.125a 0.15a 0.25a 0.3a 0.375a 0.4a 0.5a 0.6a 0.75a 1.0a 1.5a 2.0a 3.0a 35 ?2013 signal transformer inc. specifcations subject to change without notice. 08.13 s m 500 bayview avenue, inwood, ny 11096 toll free 866 -239-5777 ? tel 516-239-5777 ? fax 516-239-7208 sales@signaltransformer.com ? techhelp@signaltransformer.com www.signaltransformer.com
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