PTC thermistors as inrush current limiters PTC thermistors in phenolic resin plastic case Series/Type: B5910* Date: August 2012 EPCOS AG 2015. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without EPCOS prior express consent is prohibited. EPCOS AG is a TDK Group Company.Inrush current limiters PTC thermistors in phenolic resin plastic case Applications Dimensional drawing Inrush current limiter (charging resistor) for smoothing and DC link capacitors To replace high-power fixed resistors for capacitor charging Features Self-protecting in case of malfunction of short-circuit relay or internal short circuit of capacitor Encased thermistor disk with clamp contacts for high reliability For high pulse currents and a high number of operating cycles Inrush current limiters are not damaged when directly connected to V even without max Dimensions in mm additional current limitation Flame-retardant plastic case Case material UL-listed Sn-plated lead-free solder pins Manufacturer s logo, type designation and date code YYWW stamped on in white RoHS-compatible Delivery mode Packed in carton box General technical data Operating cycles at V (charging of capacitor) N > 100000 cycles max c Switching cycles at V (failure mode) N > 100 cycles max f Thermal cooling time constant (typical) 150 s th Heat capacity (typical) C 2.3 J/K th Operating temperature range (V = 0) T 40/+125 C op Operating temperature range (V = V ) T 20/+85 C max op Electrical specifications and ordering codes V V R R T Type max link,max R R ref Ordering code (typ.) V AC V DC % C J105 260 360 22 25 130 B59105J0130A020 J107 440 620 56 25 130 B59107J0130A020 J109 560 800 100 25 130 B59109J0130A020 Please read Cautions and warnings and Page 2 of 10 Important notes at the end of this document.