Product Details
Bead Thermistors
Philips


2218
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Description:
Bead type thermistors for general applications including temperature measurement and compensation.Tolerance: ▒5%
Power (max): 250mW
Dissipation factor: 7mW/°C
Response time: 1· 2 secs
Thermal time constant: 11 secs
Temperature range: -40°C to +125°C
reducing to 0° to 55°C
at max power
R at 100°C R at 0°C 
R at 25°C B(°K) (approx) (approx) 
4k7 3977 318· 4 15· 28k 
15k 3740 1· 19k 45· 13k 
47k 4090 2· 94k 155· 6k 
150k 4370 7· 73k 534· 9k 
Colour code
R at 25°C Band 1 Band 2 Band 3 Band 4 
4k7 Yellow Violet Red Gold 
15k Brown Green Orange Gold 
47k Yellow Violet Orange Gold 
150k Brown Green Yellow Gold