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HOME>Products TOP>Thermal Sensors>Platinum Thermal Sensors (SDT73H Platinum Thin Film Thermal Chip Sensors )

Thermal SensorsPlatinum Thin Film Thermal Chip Sensors[SDT73H]

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Ratings Temperature Characteristics      
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Thermal Sensors/Platinum Thin Film Thermal Chip Sensors SDT73H Construction
 
  Construction
   
Thermal Sensors/Platinum Thin Film Thermal Chip Sensors SDT73H Construction
1. Protective coating
2. Platinum thin film
3. Inner electrode
4. Ni plating
5. Solder plating
6. Ceramic substrate
 
Features
 
SMD platinum thin film thermal sensors.
T.C.R. is in accordance with JIS•DIN standards.
Suitable for temperature control in various industrial equipment.
Suitable for both flow and reflow solderings.
Products meet EU-RoHS requirements.
 
 
Applications
 
Temperature compensation for various kinds of sensor drive circuits.
Temperature compensation for telecommunication and measuring equipment.
Temperature compensation for Hybrid ICs.
 
 
Dimensions
Type
(Inch Size Code)
Dimensions(mm) Weight (g)
(1000pcs)
L W c d t
2B
(1206)
3.20.2 1.60.2 0.50.3 0.50.3 0.50.15 9.0
   
Type Designation
SDT73H   2B   T   TE   100   F   385
           
Product Code   Size   Terminal Surface Material   Taping   Nominal Resistance   Resistance Tolerance T.C.R.
(×10-6/K)
    2B : 3.2×1.6mm   T : Sn
  TEK : 4mm pitch
plastic embossed
(1,000pcs)
TE : 4mm pitch
plastic embossed
(5,000pcs)
BK : Bulk
  100 : 100
500 : 500
  C : 0.2‰
F : 1‰
   
     
Contact us when you have control request for environmental hazardous material other than the substance specified by EU-RoHS.
For further information on taping,please refer to Packagings For Chip Components.
   
Ratings

Type Resistance at 0 Resistance Tolerance
*1
Thermal Time Constant*2 Thermal Dissipation Constant*2 T.C.R.
(×10-6/K)
T.C.R. Tolerance
(×10-6/K)
Operating Temperature Range Specified Current*3
SDT73H2B 100
500
C : 0.2%
F : 1%
6.5s 2.4mW/ 3850 50 -55 - +155 1mA max.
*1
Please consult with us about the products equivalent to class B of JIS.
*2 Thermal time constant and thermal dissipation constant are reference values, which are values of elements and vary with connecting or fixing methods. Thermal dissipation constant is approx. 4mW/ under the surface mounting condition.
*3 Specified current is a current value that is used at reliability test under the condition of self heat-generation that can be disregarded. Oridinarily recommended measuring currents are 1mA for 100 and 0.1mA for 500.

   
Temperature Characteristics

Thermal Sensors/Platinum Thin Film Thermal Chip Sensors SDT73H Temperature Characteristics
Approximate Expression for Resistance-Temperature Characteristics

-55 - 0 : RT=R0 {1+C1T+C2T2+C3 (T-100)T3}

0 - +125 : RT=R0 (1+C1T+C2T2)

RT : Resistance value at T
R0 : Resistance value at 0
T : Ambient temperature()
Constants C1, C2, C3

C1=3.9083×10-3-1
C2=-5.775×10-7-2
C3=-4.183×10-12-4


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