PTC Thermistors for Telecom Line Card Applications, SMDs Series/Type: B590** Release: Date: EPCOS AG 2003. Reproduction, publication and dissemination of this data sheet, enclosures hereto and the information contained therein without EPCOS' prior express consent is prohibited. Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers' Association), unless otherwise agreed. Telecom B590** Line Card Applications, SMDs G10** Applications Overcurrent protection for line cards Features Compliant with ITU-T K20, K21, K45 basic level lightning surges (10/700 µs) basic level power induction (600 V, 1 A, 0.2 s) power contact criteria A/B (230 V, 15 min.) Suitable for continuous connection to mains voltages of 110/230 VAC in tripped (high ohmic) condition For surface mounting onto PCB Marked with manufacturer’s logo and type designation Narrow resistance tolerance UL approval to UL 1434 with V max = 245 V and VR = 220 V (file number E69802) Options Alternative tolerances and resistances on request Delivery mode Blister tape, 330-mm reel Dimensional drawings Version: Gamma L Version: Gamma I Dimensions in mm 2 Telecom B590** Line Card Applications, SMDs G10** Recommended solder pads Version: Gamma L Version: Gamma I Dimensions in mm General technical data Rated voltage Max. switching voltage Tolerance of R R Resistance matching per reel Operating temperature range (V = 0) (V = 230 V) VR VSmax ∆RR R25,match Top Top 60 265 ±20 ±0.5 25/+125 0/+60 VDC VAC % Ω °C °C Electrical specifications and ordering codes Type Gamma I G1085 G1083 G1080 G1084 Gamma L G1040 G1012 RR Rmin Ω IR @ 25 °C mA IR @ 70 °C mA IS @ 25 °C mA ISmax @ 230 VAC A tS Ordering code @ ISmax, 230 VAC s Ω 10 16 25 50 6.5 10 15 30 180 150 130 90 130 105 85 50 360 300 270 190 1.0 1.5 2.8 2.5 < 5.0 < 2.0 < 0.3 < 0.2 B59085G1120A161 B59083G1120A161 B59080G1120B262 B59084G1120A161 25 35 16 23 110 100 70 70 250 250 4.0 4.6 < 0.2 < 0.2 B59040G1120B161 B59012G1120A161 3 Telecom B590** Line Card Applications, SMDs G10** Characteristics (typical) PTC resistance RPTC versus PTC temperature TPTC (measured at low signal voltage) PTC resistance RPTC versus PTC temperature TPTC (measured at low signal voltage) Rated current IR versus ambient temperature T A (measured in still air) 4