Application Brief

Thermal Sensors
PRODUCTS
Electronic Components
TRS™ Series Thermal Reed Switch
& OHD™ Series Thermal Guard
Why Choose KEMET
KEMET Electronics Corporation is a leading global
supplier of electronic components. We offer our
customers the broadest selection of capacitor
technologies in the industry, along with an
expanding range of electromechanical devices,
electromagnetic compatibility solutions and
supercapacitors. Our vision is to be the preferred
supplier of electronic component solutions for
customers demanding the highest standards of
quality, delivery and service.
Applications
•
•
•
•
Digital appliances
Power electronics
Automotive applications
Air conditioners
TRS Series
Features & Benefits • No control circuit required
• High reliability
• Good for threshold thermal control
• Sensing temperature range of +30°C to +130°C
• Excellent accuracy of ±2.5°C
• Screw clamp for easy installation
• Excellent environmental durability
• Long operational life
• RoHS compliant
Product Checklist
• At what temperature should the sensor be activated, or switched?
• What are your temperature accuracy
requirements?
• Is the application designed to switch AC or
DC power?
• What current values will be switched by
the sensor?
• What voltage is being switched?
• Does the design require a Break or
Make sensor?
• How will the sensor be mounted?
• Is the operation of the thermal sensor affected
by magnetic and/or electric fields?
OHD Series
Ordering Information
TRS Series
TRS
5-
Series
Reed Switch
Type
TRS
5
50
Operating
Temperature (°C)
50
60
70
80
90
100
110
120
130
B
LR
V
U
Contact
Type
Shape
Classification
Space
Rated
Voltage (VDC)
Approvals
B = Break
LR = L type
with Tin
Insert space
here
Blank = 100
V = 200
Blank =
No approvals
U = UL & CSA
approved
OHD Series
OHD
1-
Series
Model
Number
OHD
1
3
5R
40
B
Operating
Temperature (°C)
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
115
120
Contact Type
B = Break
M = Make
(OHD1 & OHD3
Series only)
For more information, samples
and engineering kits,
please visit us at www.kemet.com
or call 1.877.myKEMET.
SA0915
Copyright © 2015 KEMET
Thermal Sensors
PRODUCTS
Electronic Components
TRS™ Series Thermal Reed Switch
& OHD™ Series Thermal Guard
Electrical/Physical Characteristics
Voltage
(VDC)
Maximum Break
Current (A)
Maximum Break
Voltage (VAC)
Maximum Break
Power (W)
TRS5-__BLR U
100
0.5
140
50 AC
TRS5-__BLR VU
200
0.275
264
60.5 AC
Part
Number
Contact
Type
Part
Number
Operating
Temperature
Range (°C)
Operating
Temperature
Precision (°C)
50 – 130
±2.5
Operating
Temperature
Range (°C)
Operating
Temperature
Precision (°C)
TRS Series
Maximum
Activation
Voltage (V)
Maximum
Activation
Power (W)
Minimum/
Maximum
Activation
Current
Maximum
Contact
Resistance
(mΩ)
Insulation
Withstand
Voltage
Minimum
Insulation
Resistance
OHD Series
OHD1-__M
Make
OHD1-__B
Break
40 – 120
110 AC/DC
SA0915
OHD3-__M
Make
OHD3-__B
Break
OHD5R-__B
Break
6 AC/DC
0.1 mA / 1 VDC
0.3 AC/DC
150
2,500 VAC /
1 minute or
3,000 VAC /
1 second
30 – 120
500 VDC to
100 MΩ
40 – 120
±5
30 – 120
30 DC
1 DC
0.1 mA/ 1 VDC
0.1 DC
300
1,500 VAC /
1 minute or
1,800 VAC /
1 second
60 – 120
Copyright © 2015 KEMET