CT Thermistor (high temperature type)

The axial glass encapsulated CT series thermistor features excellent reliability and high heat resistance. SEMITEC’S CT thermistors are fully compliant with RoHS DIRECTIVE2011/65/EU.

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Applications

Home electronics, HVAC equipment, water heaters, kitchen appliances, solar systems, vending machines, refrigerated display cases, batteries, refrigerators

Part number

Dimensions

Rating

Part No. Rated zero-power resistance1 B-value ref. temperature (℃) B-value2 Dissipation factor
(mW/℃)
Thermal time constant (s)3 Rated power
(mW) at 25℃
Operating Temperature range
(℃)
Lead wire Dimensions
Temperature (℃) Resistance (kΩ) Tolerance (%)
252CT-4
25℃ 2.50kΩ ±5% 25/85 3670K±2% approx. 2.1 approx. 10〜
20
10.5 −50〜+250 Nickel
plating
Fig1
512CT-4 5.10kΩ 3200K±2% −50〜+200
562CT-4 5.60kΩ 3200K±2%
912CT-4 9.10kΩ 3270K±2% −50〜+250
103CT-4 10.0kΩ 3270K±2%
113CT-4 11.0kΩ 3270K±2%
203CT-4 20.0kΩ 3410K±2%
473CT-4 47.0kΩ 3610K±2%
513CT-4 51.0kΩ 3610K±2%
563CT-4 56.0kΩ 3610K±2%
104CT-4 100 kΩ 3450K±2%
204CT-4 200 kΩ 3500K±2%
252CT-20218 0℃ 7.881kΩ ±3% 25/50 3745K±2% −40〜+150 Tin
plating
Fig2
103CT-11005 25℃ 10.0kΩ ±2% 25/50 3680K±2% −30〜+150
103CT-21048 25℃ 10.0kΩ ±3% 25/85 4100K±2% −40〜+150
103CT-01006 25℃ 10.0kΩ ±5% 25/85 3900K±2% −30〜+150
103CT-20217 0℃ 30.0kΩ ±2% 25/50 3434K±2% −40〜+150
503CT-91027 50℃ 19.727kΩ ±2.5% 25/85 3992K±2%
104CT-90113 25℃ 100.0kΩ ±5% 25/85 4070K±2%
503CT-90083 85℃ 5.911kΩ ±3% 25/85 3800K±2% −40〜+250 Nickel plating

1 Rated zero-power resistance at 25℃
2 B-value determined by rated zero-power resistance at 25℃ and 85℃
3 Time required to reach 63.2% of temperature difference. Measured in still air.