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Temperature Measurement Leadless Disks
Applications
I Automotive electronics, e.g.
B57220 K 220
– measurement of cooling water and oil temperature Features
I Thermistor disk with lapped, coplanar
front surfaces
I Front surfaces silver-plated I For clamp contacting I UL approved type (up to 125 °C operating temperature)
Termination D = 2,9 ± 0,3 mm L = 1,3 ± 0,3 mm Approx. weight 50 mg
Options Alternative resistance ratings, rated temperatures and resistance tolerances available on request Delivery mode Bulk
Climatic category (IEC 60068-1) Max. power at 25 °C Resistance tolerance Rated temperature B value tolerance Dissipation factor (in air) Thermal cooling time constant (in air) Heat capacity
P25 ∆R N/R N TN ∆B/B δth1) τc1) Cth1)
55/250/21 180 ±5% 20 ± 1,5 % approx. 2,5 approx.
B57220 Datasheet
