t he p ower p rofessionals www.avellindberg.com ?sales @avellindberg.com 860/355-4711 ?fax 860/354-8597 power transformers low-pro?e encapsulated page 14 the international on-board transformer ob range transformers are mounted in resin-?led, ?t thermoplastic cases with pins for soldering directly to plated-through holes in p.c. boards. for additional mounting strength, four holes are molded into the corners of the case to accept optional mounting screws. the non-concentric twin primary and secondary windings are wound on separate bobbins, which provides maximum isolation and low inter-winding capacitance. the low height pro?e allows for close spacing between boards. features and bene?s international certi?ations: ul 506, csa c22.2, en 60/742, en 61 558, sev 1003, vde 0551, vde 0570. ce marked. also available in self-extinguishing materials to ul 94v-0. low pro?e pcb mounted resin ?led under vacuum 5kv ac ?sh test custom designs available industry standard high reliability general speci?ation for ob types primaries: 115/230 v. frequency: 50/60 hz. maximum ambient temperature: 40? c. secondary voltage tolerance: within 5% at normal input and full load. flash tested: at 5k vac. mounting: on p.c. board. certi?ations: vde 0551, vde 0570, iec 742, ul 506, din/en60 742, en61 558, csa c22.2, sev 1003; en 60-950 available on request. primaries and secondaries parallel connected 0 2 x i v 115v 230v i c.t. 2 x v primaries and secondaries series connected primaries series connected, secondaries independent 230v i i v v transformer connections
t he p ower p rofessionals www.avellindberg.com ?sales @avellindberg.com 860/355-4711 ?fax 860/354-8597 power transformers low-pro?e encapsulated page 15 transformer speci?ations load secondary rms secondary rms regulation height weight drawing avel (va) rating series rating parallel (typical) (mm / inches) (g / pounds) figure p/n 0.8 10v @ 80ma 5v @ 160ma 30% 10.8 / .425 107 / 0.23 2 ob.8-5 0.8 12v @ 67ma 6v @ 133ma 30% 10.8 / .425 107 / 0.23 2 ob.8-6 0.8 18v @ 44ma 9v @ 88ma 30% 10.8 / .425 107 / 0.23 2 ob.8-9 0.8 24v @ 33ma 12v @ 66ma 30% 10.8 / .425 107 / 0.23 2 ob.8-12 0.8 30v @ 27ma 15v @ 54ma 30% 10.8 / .425 107 / 0.23 2 ob.8-15 0.8 36v @ 22ma 18v @ 44ma 30% 10.8 / .425 107 / 0.23 2 ob.8-18 0.8 48v @ 17ma 24v @ 33ma 30% 10.8 / .425 107 / 0.23 2 ob.8-24* 2 10v @ 200ma 5v @ 400ma 25% 17.6 / .692 115 / 0.254 1 ob2-5 2 12v @ 170ma 6v @ 340ma 25% 17.6 / .692 115 / 0.254 1 ob2-6 2 18v @ 110ma 9v @ 220ma 25% 17.6 / .692 115 / 0.254 1 ob2-9 2 24v @ 85ma 12v @ 170ma 25% 17.6 / .692 115 / 0.254 1 ob2-12 2 30v @ 70ma 15v @ 140ma 25% 17.6 / .692 115 / 0.254 1 ob2-15 2 36v @ 65ma 18v @ 110ma 25% 17.6 / .692 115 / 0.254 1 ob2-18 2 48v @ 40ma 24v @ 80ma 25% 17.6 / .692 115 / 0.254 1 ob2-24* height (see chart) 67.8 (2.67) 62.5 (2.46) 45 (1.77) 50 (1.97) 5 (.197) 8 (.315) hole depth 57 (2.24) 0v 0v 115v 115v vsec 0 vsec 0 16 (.63) 15 (.59) 15 (.59) 26 (1.02) accepts #4 self-tapping screw (typ.) 10 (.254) 10 (.254) pin view .8 (.003) dia (typ.) dimensions in mm (inches). ?proportions altered to illustrate detail. figure 1 figure 2 height (see chart) pin view 0v 0v 115v 115v 0 vsec vsec 0 53 (2.09) 47.5 (1.87) 35 (1.38) 37.5 (1.48) 44 (1.73) 10 (.254) 15 (.59) 10 (.254) 5 25 (.984) 5 (1.97) 5 (1.97) accepts #4 self-tapping screw (typ.) 8 (.315) hole depth .8 (.003) dia (typ.) 5 (.197) continued on next page * these transformers meet vde 0550 only.
t he p ower p rofessionals www.avellindberg.com ?sales @avellindberg.com 860/355-4711 ?fax 860/354-8597 power transformers low-pro?e encapsulated page 16 transformer speci?ations (continued) load secondary rms secondary rms regulation height weight drawing avel (va) rating series rating parallel (typical) (mm / inches) (g / pounds) figure p/n 4 10v @ 400ma 5v @ 800ma 22% 19.6 / .772 145 / 0.32 1 ob4-5 4 12v @ 330ma 6v @ 660ma 22% 19.6 / .772 145 / 0.32 1 ob4-6 4 18v @ 220ma 9v @ 440ma 22% 19.6 / .772 145 / 0.32 1 ob4-9 4 24v @ 165ma 12v @ 330ma 22% 19.6 / .772 145 / 0.32 1 ob4-12 4 30v @ 135ma 15v @ 270ma 22% 19.6 / .772 145 / 0.32 1 ob4-15 4 36v @ 110ma 18v @ 220ma 22% 19.6 / .772 145 / 0.32 1 ob4-18 4 48v @ 85ma 24v @ 170ma 22% 19.6 / .772 145 / 0.32 1 OB4-24* 6 10v @ 600ma 5v @ 1.2a 19% 22.6 / .889 175 / 0.386 1 ob6-5 6 12v @ 500ma 6v @ 1a 19% 22.6 / .889 175 / 0.386 1 ob6-6 6 18v @ 330ma 9v @ 660ma 19% 22.6 / .889 175 / 0.386 1 ob6-9 6 24v @ 250ma 12v @ 500ma 19% 22.6 / .889 175 / 0.386 1 ob6-12 6 30v @ 200ma 15v @ 400ma 19% 22.6 / .889 175 / 0.386 1 ob6-15 6 36v @ 165ma 18v @ 330ma 19% 22.6 / .889 175 / 0.386 1 ob6-18 6 48v @ 125ma 24v @ 250ma 19% 22.6 / .889 175 / 0.386 1 ob6-24* 10 10v @ 1a 5v @ 2a 26% 22.8 / .898 280 / 0.617 2 ob10-5 10 12v @ 830ma 6v @ 1.66a 26% 22.8 / .898 280 / 0.617 2 ob10-6 10 18v @ 550ma 9v @ 1.10a 26% 22.8 / .898 280 / 0.617 2 ob10-9 10 24v @ 420ma 12v @ 840ma 26% 22.8 / .898 280 / 0.617 2 ob10-12 10 30v @ 335ma 15v @ 670ma 26% 22.8 / .898 280 / 0.617 2 ob10-15 10 36v @ 280ma 18v @ 560ma 26% 22.8 / .898 280 / 0.617 2 ob10-18 10 48v @ 210ma 24v @ 420ma 26% 22.8 / .898 280 / 0.617 2 ob10-24* 14 10v @ 1.4a 5v @ 2.8a 18% 24.4 / .976 315 / 0.695 2 ob14-5 14 12v @ 1.15a 6v @ 2.3a 18% 24.4 / .976 315 / 0.695 2 ob14-6 14 18v @ 780ma 9v @ 1.56a 18% 24.4 / .976 315 / 0.695 2 ob14-9 14 24v @ 585ma 12v @ 1.17a 18% 24.4 / .976 315 / 0.695 2 ob14-12 14 30v @ 470ma 15v @ 940ma 18% 24.4 / .976 315 / 0.695 2 ob14-15 14 36v @ 390ma 18v @ 780ma 18% 24.4 / .976 315 / 0.695 2 ob14-18 14 48v @ 290ma 24v @ 580ma 18% 24.4 / .976 315 / 0.695 2 ob14-24* 18 10v @ 1.8a 5v @ 3.6a 17% 27.6 / 1.087 375 / 0.827 2 ob18-5 18 12v @ 1.5a 6v @ 3.0a 17% 27.6 / 1.087 375 / 0.827 2 ob18-6 18 18v @ 1.0a 9v @ 2.0a 17% 27.6 / 1.087 375 / 0.827 2 ob18-9 18 24v @ 750ma 12v @ 1.5a 17% 27.6 / 1.087 375 / 0.827 2 ob18-12 18 30v @ 600ma 15v @ 1.2a 17% 27.6 / 1.087 375 / 0.827 2 ob18-15 18 36v @ 500ma 18v @ 1.0a 17% 27.6 / 1.087 375 / 0.827 2 ob18-18 18 48v @ 375ma 24v @ 750ma 17% 27.6 / 1.087 375 / 0.827 2 ob18-24* 24 10v @ 2.4a 5v @ 4.8a 16% 31.4 / 1.236 445 / 0.981 2 ob24-5 24 12v @ 2.0a 6v @ 4.0a 16% 31.4 / 1.236 445 / 0.981 2 ob24-6 24 18v @ 1.33a 9v @ 2.66a 16% 31.4 / 1.236 445 / 0.981 2 ob24-9 24 24v @ 1.0a 12v @ 2.0a 16% 31.4 / 1.236 445 / 0.981 2 ob24-12 24 30v @ 800ma 15v @ 1.6a 16% 31.4 / 1.236 445 / 0.981 2 ob24-15 24 36v @ 670ma 18v @ 1.34a 16% 31.4 / 1.236 445 / 0.981 2 ob24-18 24 48v @ 500ma 24v @ 1.0a 16% 31.4 / 1.236 445 / 0.981 2 ob24-24* 30 10v @ 3.0a 5v @ 6.0a 15% 35.8 / 1.409 530 / 1.169 2 ob30-5 30 12v @ 2.5a 6v @ 5.0a 15% 35.8 / 1.409 530 / 1.169 2 ob30-6 30 18v @ 1.67a 9v @ 3.33a 15% 35.8 / 1.409 530 / 1.169 2 ob30-9 30 24v @ 1.25a 12v @ 2.5a 15% 35.8 / 1.409 530 / 1.169 2 ob30-12 30 30v @ 1.0a 15v @ 2.0a 15% 35.8 / 1.409 530 / 1.169 2 ob30-15 30 36v @ 830ma 18v @ 1.67a 15% 35.8 / 1.409 530 / 1.169 2 ob30-18 30 48v @ 625ma 24v @ 1.25a 15% 35.8 / 1.409 530 / 1.169 2 ob30-24* * these transformers meet vde 0550 only.
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