The CT05 is a moulded dry reed switch from Coto. It is single-pole, single throw (SPST) type, having normally open ruthenium contacts. It has a total operating range of 15AT to 50AT with a release range of 5AT to 45AT and a switched power of 5W (max). The CT05 series is a double-ended type and may be actuated with an electromagnet, a permanent magnet or a combination of both. The device is designed with rugged encapsulation, excellent life and reliability, SMD mounting and is available in gull wing or J-lead configurations. The CT05 series is ideally suited to the needs of proximity sensing, medical applications, hearing aids and pulse counter.
Moulded dry reed switch
Total operating range 15AT to 50AT
Switched power 5W (max)
Release range 5AT to 45AT
Switched voltage DC 140V (max) and AC RMS value 100V (max)
Switched current DC 350mA (max) and AC RMS value 250mA (max)
Ideal for SMD pick and place
Temperature range −40°C; to +125°C
Available in gull wing or J lead configurations
Tape and reel packaging
Typical Applications include:
Proximity sensing
Medical applications
Hearing aids
Pulse counter
The below table gives the full specifications of the Coto CT05 magnetic sensor series:
Surface mount moulded switchCarry current DC 0.5A (max)Ideal for SMD pick and placeRugged encapsulationAvailable in gull wing and J lead configurationsTape and reel packaging availableOperating tempe
This product is available fully compliant to the RoHS EU directive 2011/65/EU.
Coto CT05 Series Technical Library
We are pleased to provide you with a range of additional content including videos, product datasheets, case studies, white papers and application notes for your reference. Please see below for the latest content available:
Please be advised that due to the ongoing supply issues with raw materials affecting the global electronics industry, as well as an increase in orders received by our manufacturing partners, a large number of products are facing increased lead times in recent months. For the latest lead time and stock availability, please contact one of our engineers who will be happy to discuss lead times further and the potential for alternative parts.
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