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B57220

Part Number	B57220
Manufacturer	EPCOS
Description	Temperature Measurement Leadless Disks
Published	May 9, 2007
Detailed Description	Temperature Measurement Leadless Disks Applications I Automotive electronics, e.g. B57220 K 220 – measurement of cooli...
Datasheet	B57220 PDF File

Overview

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.
12 approx.
30 mW °C mW/K s mJ/K R 20 R25 No.
of R /T characteristic 1008 B25/100 K 3560 Ordering code Ω 2,5 k Ω 2056,9 B57220K0212A003 1) Depends on mounting situation 66 05/02 Temperature...

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