step up step down converters smps flyback transformer

{"cid":"91183610","title":"SMPS Flyback Transformer HP3-0950L for Step-up\/Step-down Converters with 500 Vrms Insulation and Low Leakage Inductance HPH3-0950L","imgUrl":"https:\/\/img.ismap.com\/nimg\/0b\/d6\/7e93fef428dea8f49e755febba94-200x200-1.jpg","attrs":{"Price":"Supportive","Brand Name":"Shareway","Model Number":"HPH3-0950L, HP3-0950L","Minimum Order Quantity":"100pcs","Delivery Time":"Stock or 3-4 weeks","Certification":"CE UL RoHS ISO9001:2008","Place of Origin":"Guangdong China","Payment Terms":"TT,Paypal","Supply Ability":"5000K.PCS\/Month","Packaging Details":"500 parts per full reel","Product name":"HPH3-0950L Flyback Transformer","Usage":"Flyback Transformer","Mount":"Surface Mount","Product type:":"Hexa-Path Magnetics","Operating temperature range":"-40 \u00b0C up to +85 \u00b0C","Package":"Reel"}}

{"cid":"91212211","title":"Step Down 220v To 110v Transformer 5v \/ 12v 2a Transformer Smps Flyback Transformer","imgUrl":"https:\/\/img.ismap.com\/nimg\/08\/c6\/368c75fffdb06f810d068c0ecb9b-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"ED8","Model Number":"EE19","Minimum Order Quantity":"Negotiable","Delivery Time":"stock Or 3 weeks","Certification":"RoHS,ISO9001-2001","Place of Origin":"China,shenzhen city.","Payment Terms":"T\/T paypal xtransfer","Supply Ability":"200K-pcs\/month","Packaging Details":"100pieces \/ Carton size:380mm*325mm*345mm","Usage":"AUDIO","Coil Structure":"TOROIDAL","Output Power":"0.1W-3000W","Inductance Range":"1uH-100H","Phase":"Single","Pins":"5+5 or custom","Core Material:":"PC40, PC44, PC95","Output Current":"1.6A","frequency":"1KHz -200KHz"}}

{"cid":"91175494","title":"1.4mH 10KHz High Frequency High Voltage Transformer Fbt Flyback Transformer","imgUrl":"https:\/\/img.ismap.com\/nimg\/54\/78\/477585063038e520b6fc4b49d856-200x200-1.jpg","attrs":{"Price":"","Brand Name":"Rvyuan","Model Number":"1.4mH","Minimum Order Quantity":"100pcs","Delivery Time":"10-15 workding days","Certification":"UL\/ROHS\/ICE\/ISO9001\/ISO14001","Place of Origin":"China","Payment Terms":"L\/C, T\/T","Supply Ability":"2000000 Piece\/Pieces per Month","Packaging Details":"Carton"}}