PTC Thermistors for Overcurrent Protection SMDs, EIA Size 1210, 24 V, 63 V Series/Type: B59606, B59607, B59707 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. Overcurrent Protection B59606, B59607, B59707 SMDs, EIA Size 1210, 24 V, 63 V A606, A607, A707 Applications Dimensional drawing Overcurrent protection Short-circuit protection Features Thermistor chip with lead-free tinned terminations Small size Short response times Suitable for reflow soldering only Suitable for automatic placement Delivery mode Blister tape, 180-mm reel Dimensions in mm General technical data Switching cycles Tolerance of R R Operating temperature range (V = 0) (V = Vmax) N ∆RR Top Top 100 ±25 40/+125 0/+60 % °C °C Electrical specifications and ordering codes Type IR 1) IS 1) mA mA ISmax Tref (V = Vmax) A °C Vmax = 30 VDC or VAC , V R = 24 VDC or VAC A606 0.5 90 180 110 A607 0.4 70 130 120 Vmax = 80 VDC or VAC , V R = 63 VDC or VAC A707 0.3 50 90 120 1) Measured on component soldered to standardized PCB 2 RR Rmin Ω Ω Ordering code 27 55 17 30 B59606A0110A062 B59607A0120A062 125 75 B59707A0120A062 Overcurrent Protection B59606, B59607, B59707 SMDs, EIA Size 1210, 24 V, 63 V A606, A607, A707 Reliability data Test Switching test at room temperature Dry heat at upper category temperature Life test at Vmax /Top Storage in damp heat Rapid change of temperature in air Vibration Bump Climatic sequence Bending test Standard IEC 60738-1 Test conditions ISmax; Vmax Number of cycles: 100 IEC 60738-1 Storage at upper category temperature for t : 1000 h IEC 60738-1 Storage at Vmax /Top for t : 1000 h IEC 60068-2-3 Temperature of air: 40 °C Relative humidity of air: 93% Duration: 56 days IEC 60068-2-14, T = TLCT, T = TUCT Test Na Number of cycles: 5 t = 30 min IEC 60068-2-6, f = 10 - 55 Hz Test Fc h = 0.75 mm (respectively 10 g) t=3·2h IEC 60068-2-27 Pulse shape: half-sine a = 50 g Pulse duration: 1 ms; 6 · 3 pulses IEC 60068-2-30 Dry heat: T = TUCT t : 16 h Damp heat first cycle Cold: T = TLCT t:2h Damp heat 5 cycles EN 130000/4.35 Components reflow-soldered to test board Maximum bending: 2 mm 3 ∆R25/R25 < 25% < 25% < 25% < 10% < 10% < 5% < 5% < 10% < 10% Overcurrent Protection B59606, B59607, B59707 SMDs, EIA Size 1210, 24 V, 63 V A606, A607, A707 Characteristics (typical) PTC resistance RPTC versus PTC temperature TPTC (measured at low signal voltage) Switching time tS versus switching current I S (measured at 25 °C in still air) Rated current IR versus ambient temperature T A (measured in still air) 4