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NTC Thermistors
NTC Thermistors
Click to Enlarge
Philips 640 series “accuracy line” colour coded NTC disc thermistors for general temperature sensing and control applications.
Body dia. 4mm max. Thickness 2.5mm max. Lead pitch 2.5mm
RoHS compliant
Response time:
1.2s
Thermal time constant:
11s
Operating temperature range:
@ zero power:
-40°C to +125°C
@ maximum power:
0°C to +55°C
Dissipation factor:
7mW/°C
Maximum dissipation:
500 mW
Tolerance:
±5%
Order Code
Initial Resistance
B25/85
Price £ each
1+
25+
100+
500+
Qty
Buy
577-205
2K2
3977 ±0.75%
0.3000
0.2500
0.2200
0.2000
577-209
4K7
3977 ±0.75%
0.3000
0.2500
0.2200
0.2000
577-211
10K
3977 ±0.75%
0.3000
0.2500
0.2200
0.2000
577-213
15K
3740 ±2%
0.3000
0.2500
0.2200
0.2000
577-214
22K
3740 ±2%
0.3000
0.2500
0.2200
0.2000
577-215
33K
4100 ±1.5%
0.3000
0.2500
0.2200
0.2000
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