Split/TranTM ,Specialty Purpose & Class 2 Transformers • Printed Circuit Mount SM Split Bobbin with High Isolation Signal’s 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 – marked with (*) or (**) or (#) **CSA certified as Inherently Limited * CSA certified as Non Inherently Limited – see recommended fuse rating on next page # UL Recognized UL5083-3, Inherently Limited File # E116583 Part Number Secondary RMS Rating Single 115V 6 Pin Dual 115/230V 8 Pin ST-2-10** DST-2-10** 10VCT @ 0.11A ST-3-10* DST-3-10* 10VCT @ 0.25A (5) ST-4-10* DST-4-10* ST-5-10* Part Number Secondary RMS Rating Single 115V 6 Pin Dual 115/230V 8 Pin 5V @ 0.22A ST-2-28 DST-2-28 28VCT @ 0.04A 14V @ 0.08A 5V @ 0.5A (9) ST-3-28 DST-3-28 28VCT @ 0.085A 14V @ 0.17A 10VCT @ 0.6A (9) 5V @ 1.2A (11) ST-4-28 DST-4-28 28VCT @ 0.2A 14V @ 0.4A DST-5-10* 10VCT @ 1.2A (11) 5V @ 2.4A (12) ST-5-28 DST-5-28 28VCT @ 0.42A 14V @ 0.84A ST-6-10 DST-6-10 10VCT @ 2.0A 5V @ 4.0A ST-6-28 DST-6-28 28VCT @ 0.7A 14V @ 1.4A ST-7-10 DST-7-10 10VCT @ 3.6A 5V @ 7.2A ST-7-28 DST-7-28 28VCT @ 1.3A 14V @ 2.6A ST-2-12** DST-2-12** 12.6VCT @ 0.09A 6.3V @ 0.18A ST-2-36 DST-2-36 36VCT @ 0.03A 18V @ 0.06A ST-3-12* DST-3-12* 12.6VCT @ 0.2A (4) 6.3V @ 0.4A (8) ST-3-36 DST-3-36 36VCT @ 0.065A 18V @ 0.13A ST-4-12* DST-4-12* 12.6VCT @ 0.5A (9) 6.3V @ 1.0A (11) ST-4-36 DST-4-36 36VCT @ 0.17A 18V @ 0.34A ST-5-12* DST-5-12* 12.6VCT @ 1.0A (11) 6.3V @ 2.0A (13) ST-5-36 DST-5-36 36VCT @ 0.35A 18V @ 0.7A ST-6-12 DST-6-12 12.6VCT @ 1.6A 6.3V @ 3.2A ST-6-36 DST-6-36 36VCT @ 0.55A 18V @ 1.1A ST-7-12 DST-7-12 12.6VCT @ 2.85A 6.3V @ 5.7A ST-7-36 DST-7-36 36VCT @ 1.0A 18V @ 2.0A ST-2-16** DST-2-16** 16VCT @ 0.07A 8V @ 0.14A ST-2-48 DST-2-48 48VCT @ 0.023A 24V @ 0.046A ST-3-16* DST-3-16* 16VCT @ 0.15A (3) 8V @ 0.3A (6) ST-3-48 DST-3-48 48VCT @ 0.05A 24V @ 0.1A ST-4-16* DST-4-16*# 16VCT @ 0.4A (7) 8V @ 0.8A (10) ST-4-48 DST-4-48 48VCT @ 0.125A 24V @ 0.25A ST-5-16* DST-5-16* 16VCT @ 0.8A (10) 8V @ 1.6A (11) ST-5-48 DST-5-48 48VCT @ 0.25A 24V @ 0.5A ST-6-16 DST-6-16 16VCT @ 1.25A 8V @ 2.5A ST-6-48 DST-6-48 48VCT @ 0.4A 24V @ 0.8A ST-7-16 DST-7-16 16VCT @ 2.25A 8V @ 4.5A ST-7-48 DST-7-48 48VCT @ 0.75A 24V @ 1.5A ST-2-20** DST-2-20** 20VCT @ 0.055A 10V @ 0.11A ST-2-56 DST-2-56 56VCT @ 0.02A 28V @ 0.04A ST-3-20* DST-3-20* 20VCT @ 0.12A (2) 10V @ 0.24A (5) ST-3-56 DST-3-56 56VCT @ 0.045A 28V @ 0.09A ST-4-20* DST-4-20* 20VCT @ 0.3A (6) 10V @ 0.6A (9) ST-4-56 DST-4-56 56VCT @ 0.11A 28V @ 0.22A ST-5-20* DST-5-20* 20VCT @ 0.6A (9) 10V @ 1.2A (11) ST-5-56 DST-5-56 56VCT @ 0.22A 28V @ 0.44A ST-6-20 DST-6-20 20VCT @ 1.0A 10V @ 2.0A ST-6-56 DST-6-56 56VCT @ 0.35A 28V @ 0.7A ST-7-20 DST-7-20 20VCT @ 1.8A 10V @ 3.6A ST-7-56 DST-7-56 56VCT @ 0.65A 28V @ 1.3A ST-2-24** DST-2-24** 24VCT @ 0.045A 12V @ 0.09A ST-2-120 DST-2-120 120VCT @ 0.01A 60V @ 0.02A ST-3-24* DST-3-24* 24VCT @ 0.1A (1) 12V @ 0.2A (4) ST-3-120 DST-3-120 120VCT @ 0.02A 60V @ 0.04A ST-4-24* DST-4-24*# 24VCT @ 0.25A (5) 12V @ 0.5A (9) ST-4-120 DST-4-120 120VCT @ 0.05A 60V @ 0.1A ST-5-24* DST-5-24*# 24VCT @ 0.5A (9) 12V @ 1.0A (11) ST-5-120 DST-5-120 120VCT @ 0.1A 60V @ 0.2A ST-6-24 DST-6-24 24VCT @ 0.8A 12V @ 1.6A ST-6-120 DST-6-120 120VCT @ 0.16A 60V @ 0.32A ST-7-24 DST-7-24 24VCT @ 1.5A 12V @ 3.0A ST-7-120 DST-7-120 120VCT @ 0.3A 60V @ 0.6A Series Parallel Custom versions available upon request. www.signaltransformer.com Series Parallel ©2013 Signal Transformer Inc. Specifications subject to change without notice. 08.13 500 Bayview Avenue, Inwood, NY 11096 Toll Free 866-239-5777 • Tel 516-239-5777 • Fax 516-239-7208 [email protected] • [email protected] 34 Split/Tran™ Low Power Transformers SM Split Bobbin with High Isolation 6 Pin Type ST 5 4 6 7 115V 50/60 Hz 1 8 Indicates like polarity 8 Pin Type DST 4 5 3 2 6 7 115/230V 50/60 Hz 1 8 Indicates like polarity Size VA L W H 1.12 (28.6) 0.97 (24.6) ML A Optional Mounting Screw & Nut† B C Weight - 0.25 (6.4) 0.25 (6.4) 1.20 (30.5) - 0.17 (0.08) - 0.25 (0.11) Inches (mm) lbs (kg) 2 1.1 1.37 (34.9) 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) 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 4-40 x 1.37 (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 4-40 x 1.37 (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 4-40 x 1.37 (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) (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 See Accessories page for mounting screw information. Custom versions available upon request. www.signaltransformer.com ©2013 Signal Transformer Inc. Specifications subject to change without notice. 08.13 500 Bayview Avenue, Inwood, NY 11096 Toll Free 866-239-5777 • Tel 516-239-5777 • Fax 516-239-7208 [email protected] • [email protected] 35