3 Watt SMD DC/DC Converter Isolation Modules 3 Watt SMD DC/DC Converter Isolation Modules The TGM-H251NF and TGM-H281NF transformers provide the isolation and voltage outputs required for low cost isolated DC/DC converter circuits. These high efficiency, extended temp range transformers have been designed specifically for the Maxim MAX256 controller and H bridge driver with 3.3V or 5V power source. Fully tested and approved by Maxim in this 3 watt application. UL60950 and EN60950 recognized. For more information, pertaining to the MAX256 please contact Maxim at (408) 737-7600. Maxim is a registered trademark of Maxim Integrated Products. NF Package Circuit Diagram Patented Construction US Pat Nbrs: 5,656,985 6,297,721 B1 6,297,720 B1 6,320,489 B1 6,344,785 B1 Electrical Specifications 25C Operating Temp: -40to +85C Pri Pins: 1-4 E T Constant (P1-4,2-3 connected): 18.5 V-ms min. Isolation Voltage 1,500 Vrms Turns Ratio 3% PRI-OCL PRI-DCR Cw/w Part Number PRI : SEC H Typ Max. pF Max TGM-H251NF 1:1:1:1 198 100m 15 TGM-H281NF 1:1:2.6:2.6 198 100m 15 HALO Electronics 1861 Landings Drive, Mountain View, CA 94043 PH: 650-903-3800 www.haloelectronics.com info haloelectronics.com This Datasheet: 3wattdc-dc Rev. 10/05X-ON Electronics Largest Supplier of Electrical and Electronic Components Click to view similar products for Pulse Transformers category: Click to view products by HALO manufacturer: Other Similar products are found below : IF-18-0269-N PHT-068 PT5010 PE-65457NLT T60403-D4721-X088 H1183NLT CTX33-18971-R HM2108NLT PA1825NLT HM0068ANLT PA0510NL PE-6292 P0584ANL CX2044LNL PG1427.001NLT Q4470-CLB 750313723 TGMR-512V6LF HM1331NL TGMR-430V8LF TGMR-501V6LF 76615/1C B82804A0304A225 TGM-040P3RL IT 238 HM41-11210LF TGM-210NSRL TGM- 240NSRL TGM-240NSLF TGM-030P3RL CTX16-17360 ITNA-0239-D202 TGM-H280V8LF TGM-340NARL T60403-D4097-X052 ITRB-0239-D502 TGM-H240V8LF 78601/2JC-R TGAD-292NARL HX6096NLT 78601/2MC-R T60403-D4215-X177 78613/1JC 600PA H1183NL TGMR-502V6LF CTX02-13664 TGMR-380V6LF T60403-F5046-X008 TGM-H260V8LF