Measurement and Control Disks B59008 C8 30 V Applications ● Sensor for small measuring points ● Limit temperature monitoring Features ● Coated thermistor disk ● Tinned leads ● Marked with coded nominal threshold temperature Dimensions (mm) ● Characteristics for nominal threshold temperatures of 90 to 160 °C conform with DIN 44 081 ● Extremely fast response due to small dimensions Max. operating voltage (TA = 0 … 40 °C) Max. measuring voltage (TA – 25 K … TNAT + 15 K) Rated resistance (VPTC ≤ 2,5 V) Response time Operating temperature range (V = 0) (V = Vmax) Type/ Stamp code C8 f C8 g C8 h C8 i C8 j C8 k C8 l C8 m C8 n C8 o C8 p C8 r C8 s C8 t C8 u TNAT ± ∆T R1) (TNAT – ∆T) °C Ω 60 ± 5 ≤ 570 70 ± 5 ≤ 570 80 ± 5 ≤ 570 90 ± 5 ≤ 550 100 ± 5 ≤ 550 110 ± 5 ≤ 550 120 ± 5 ≤ 550 130 ± 5 ≤ 550 140 ± 5 ≤ 550 145 ± 5 ≤ 550 150 ± 5 ≤ 550 155 ± 5 ≤ 550 160 ± 5 ≤ 550 170 ± 7 ≤ 570 180 ± 7 ≤ 570 R1) (TNAT + ∆T) Ω ≥ 570 ≥ 570 ≥ 570 ≥ 1330 ≥ 1330 ≥ 1330 ≥ 1330 ≥ 1330 ≥ 1330 ≥ 1330 ≥ 1330 ≥ 1330 ≥ 1330 ≥ 570 ≥ 570 Vmax VMeas,max RN ta Top Top R 2) (TNAT + 15 K) Ω — — — ≥4k ≥4k ≥4k ≥4k ≥4k ≥4k ≥4k ≥4k ≥4k ≥4k — — 30 7,5 ≤ 250 <3 – 25/+ 125 0/40 R1) (TNAT + 23 K) Ω ≥4k ≥4k ≥4k — — — — — — — — — — ≥4k ≥4k V V Ω s °C °C Ordering code B59008-C60-A40 B59008-C70-A40 B59008-C80-A40 B59008-C90-A40 B59008-C100-A40 B59008-C110-A40 B59008-C120-A40 B59008-C130-A40 B59008-C140-A40 B59008-C145-A40 B59008-C150-A40 B59008-C155-A40 B59008-C160-A40 B59008-C170-A40 B59008-C180-A40 1) VPTC ≤ 2,5 V 2) VPTC ≤ 7,5 V 150 Siemens Matsushita Components B59008 C8 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) Siemens Matsushita Components 151