1 ? kemet electronics corporation ? p.o. box 5928 ? greenville, sc 29606 (864) 963-6300 ? www.kemet.com se0202_ohd ? 10/15/2015 benefts ? extremely simple circuit design ? high reliability for on/off operations ? compatibility with extremely low (0.1 mw or lower) signals to high power (6 w) levels ? compact, light and easy to handle ? dust, explosion and corrosion-proof ? high-speed response ? wide range of operating temperatures available in 5c increments from +30c to +120c overview the ohd? series thermal guard is developed for thermal problem countermeasures and safety standard conformity, which are becoming increasingly important for electronic devices in recent years. applications typical applications include atmospheric temperature detection and overheating monitoring of power transistors, power modules, room heaters, hot gas heaters, ppcs, amplifers, motors, hdds, fdds and other general appliances. sensors ohd? series thermal guard ordering information ohd 1- 40 b series model number operating temperature (c) contact type ohd 1 3 5r 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 b = break m = make (ohd1 and ohd3 series only) one world. one kemet
2 ? kemet electronics corporation ? p.o. box 5928 ? greenville, sc 29606 (864) 963-6300 ? www.kemet.com se0202_ohd ? 10/15/2015 dimensions in mm 18.0 45.0 maximum mounting surface marked surface 0.7 maximum 5.5 5.6 10.0 6.0 6.1 8.0 mounting surface mounting surface 0.3 3.3 6.5 27.0 maximum 6.2 3.2 3.0 23.0 13.5 12.5 maximum 6.0 3.0 minimum 6.0 0.5 3.7 6.1 12.0 10.0 1.0 5.0 2.65 2.65 0.3 5.08 0.5 3.2 6.7 ohd1 ohd1 mounting bracket ohd3 ohd5r *mounting brackets exclusively for the ohd1 type are provided optionally (at separate cost). environmental compliance all ohd sensors are rohs compliant. insulation and temperature characteristics series insulation withstand voltage minimum insulation resistance operating temperature range (c) differential temperature (c) ohd1 2,500 vac/1 minute or 3,000 vac/1 second 9wr0 30 C 120 10 maximum ohd3 ohd5r 1,500 vac /1 minute or 1,800 vac /1 second 60 C 120 1 between terminals and mounting resin surface. 2 the differential temperature is also referred to as the hysteresis temperature on thermal sensors. sensors C ohd? series thermal guard
3 ? kemet electronics corporation ? p.o. box 5928 ? greenville, sc 29606 (864) 963-6300 ? www.kemet.com se0202_ohd ? 10/15/2015 table 1 C ratings & part number reference part number operating temp. (c) contact type maximum opening/ closing voltage (v) maximum opening/ closing current (a) maximum opening/ closing power (w) minimum opening/ closing current maximum contact resistance (m) ohd1-40m 40 make 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-45m 45 make 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-50m 50 make 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-55m 55 make 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-60m 60 make 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-65m 65 make 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-70m 70 make 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-75m 75 make 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-80m 80 make 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-85m 85 make 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-90m 90 make 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-95m 95 make 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 OHD1-100M 100 make 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-105m 105 make 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-110m 110 make 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-115m 115 make 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-120m 120 make 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-30b 30 break 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-35b 35 break 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-40b 40 break 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-45b 45 break 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-50b 50 break 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-55b 55 break 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-60b 60 break 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-65b 65 break 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-70b 70 break 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-75b 75 break 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-80b 80 break 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-85b 85 break 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-90b 90 break 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-95b 95 break 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-100b 100 break 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-105b 105 break 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-110b 110 break 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-115b 115 break 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd1-120b 120 break 110 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-40m 40 make 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-45m 45 make 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-50m 50 make 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-55m 55 make 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-60m 60 make 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-65m 65 make 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-70m 70 make 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-75m 75 make 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-80m 80 make 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-85m 85 make 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-90m 90 make 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-95m 95 make 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-100m 100 make 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-105m 105 make 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-110m 110 make 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-115m 115 make 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-120m 120 make 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-30b 30 break 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-35b 35 break 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-40b 40 break 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-45b 45 break 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-50b 50 break 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-55b 55 break 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 part number operating temperature (c) contact type maximum opening/ closing voltage (v) maximum opening/ closing current (a) maximum opening/ closing power (w) minimum opening/ closing current maximum contact resistance (m) sensors C ohd? series thermal guard
4 ? kemet electronics corporation ? p.o. box 5928 ? greenville, sc 29606 (864) 963-6300 ? www.kemet.com se0202_ohd ? 10/15/2015 table 1 C ratings & part number reference contd precautions before using thermal guard ? please read specifcations and check the content thoroughly before the actual use. ? do not use product under mechanical weight load. ? do not use with a greater load than specifed. ? do not use in close proximity to strong magnetic parts and avoid exposure to a magnetic feld. ? do not use if dropped or severely shocked. ? the ohd1 and ohd5r are designed for printed circuit board insertion. the ohd3 is a reed wire soldered type. part number operating temp. (c) contact type maximum opening/ closing voltage (v) maximum opening/ closing current (a) maximum opening/ closing power (w) minimum opening/ closing current maximum contact resistance (m) ohd3-60b 60 break 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-65b 65 break 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-70b 70 break 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-75b 75 break 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-80b 80 break 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-85b 85 break 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-90b 90 break 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-95b 95 break 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-100b 100 break 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-105b 105 break 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-110b 110 break 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-115b 115 break 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd3-120b 120 break 100 ac/dc 0.3 ac/dc 6 ac/dc 0.1 ma / 1 vdc 150 ohd5r-60b 60 break 30 dc 0.1 dc 1 dc 0.1 ma / 1 vdc 300 ohd5r-65b 65 break 30 dc 0.1 dc 1 dc 0.1 ma / 1 vdc 300 ohd5r-70b 70 break 30 dc 0.1 dc 1 dc 0.1 ma / 1 vdc 300 ohd5r-75b 75 break 30 dc 0.1 dc 1 dc 0.1 ma / 1 vdc 300 ohd5r-80b 80 break 30 dc 0.1 dc 1 dc 0.1 ma / 1 vdc 300 ohd5r-85b 85 break 30 dc 0.1 dc 1 dc 0.1 ma / 1 vdc 300 ohd5r-90b 90 break 30 dc 0.1 dc 1 dc 0.1 ma / 1 vdc 300 ohd5r-95b 95 break 30 dc 0.1 dc 1 dc 0.1 ma / 1 vdc 300 ohd5r-100b 100 break 30 dc 0.1 dc 1 dc 0.1 ma / 1 vdc 300 ohd5r-105b 105 break 30 dc 0.1 dc 1 dc 0.1 ma / 1 vdc 300 ohd5r-110b 110 break 30 dc 0.1 dc 1 dc 0.1 ma / 1 vdc 300 ohd5r-115b 115 break 30 dc 0.1 dc 1 dc 0.1 ma / 1 vdc 300 ohd5r-120b 120 break 30 dc 0.1 dc 1 dc 0.1 ma / 1 vdc 300 part number operating temperature (c) contact type maximum opening/ closing voltage (v) maximum opening/ closing current (a) maximum opening/ closing power (w) minimum opening/ closing current maximum contact resistance (m) sensors C ohd? series thermal guard
5 ? kemet electronics corporation ? p.o. box 5928 ? greenville, sc 29606 (864) 963-6300 ? www.kemet.com se0202_ohd ? 10/15/2015 kemet corporation world headquarters 2835 kemet way simpsonville, sc 29681 mailing address: p.o. box 5928 greenville, sc 29606 www.kemet.com tel: 864-963-6300 fax: 864-963-6521 corporate off ces fort lauderdale, fl tel: 954-766-2800 north america northeast wilmington, ma tel: 978-658-1663 southeast lake mary, fl tel: 407-855-8886 central novi, mi tel: 248-994-1030 irving, tx tel: 972-915-6041 west milpitas, ca tel: 408-433-9950 mexico guadalajara, jalisco tel: 52-33-3123-2141 europe southern europe sasso marconi, italy tel: 39-051-939111 skopje, macedonia tel: 389-2-55-14-623 central europe landsberg, germany tel: 49-8191-3350800 kamen, germany tel: 49-2307-438110 northern europe wyboston, united kingdom tel: 44-1480-273082 espoo, finland tel: 358-9-5406-5000 asia northeast asia hong kong tel: 852-2305-1168 shenzhen, china tel: 86-755-2518-1306 beijing, china tel: 86-10-5877-1075 shanghai, china tel: 86-21-6447-0707 seoul, south korea tel: 82-2-6294-0550 taipei, taiwan tel: 886-2-27528585 southeast asia singapore tel: 65-6701-8033 penang, malaysia tel: 60-4-6430200 bangalore, india tel: 91-806-53-76817 note: kemet reserves the right to modify minor details of internal and external construction at any time in the interest of product improvement. kemet does not assume any responsibility for infringement that might result from the use of kemet capacitors in potential circuit designs. kemet is a registered trademark of kemet electronics corporation. sensors C ohd? series thermal guard
6 ? kemet electronics corporation ? p.o. box 5928 ? greenville, sc 29606 (864) 963-6300 ? www.kemet.com se0202_ohd ? 10/15/2015 disclaimer this product has been made available through a private label agreement and a development and cross-licensing agreement between kemet and nec tokin to expand market and product offerings for both companies and their respective customers. for more information, please visit http://www.kemet.com/nectokin. all product specif cations, statements, information and data (collectively, the information) in this datasheet are subject to change. the customer is responsible for checking and verifying the extent to which the information contained in this publication is applicable to an order at the time the order is placed. all information given herein is believed to be accurate and reliable, but it is presented without guarantee, warranty, or responsibility of any kind, expressed or implied. statements of suitability for certain applications are based on kemet electronics corporations (kemet) knowledge of typical operating conditions for such applications, but are not intended to constitute C and kemet specif cally disclaims C any warranty concerning suitability for a specif c customer application or use. the information is intended for use only by customers who have the requisite experience and capability to determine the correct products for their application. any technical advice inferred from this information or otherwise provided by kemet with reference to the use of kemets products is given gratis, and kemet assumes no obligation or liability for the advice given or results obtained. although kemet designs and manufactures its products to the most stringent quality and safety standards, given the current state of the art, isolated component failures may still occur. accordingly, customer applications which require a high degree of reliability or safety should employ suitable designs or other safeguards (such as installation of protective circuitry or redundancies) in order to ensure that the failure of an electrical component does not result in a risk of personal injury or property damage. although all productCrelated warnings, cautions and notes must be observed, the customer should not assume that all safety measures are indicted or that other measures may not be required. sensors C ohd? series thermal guard
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