5147921 - Solderable Surface-Mounted RTD (SMD-SC) Element

Power electronics represent the main application focus of the solderable temperature sensor. Mass production, precision, long-term stability and low costs were in the foreground of its design. The design allows a potential free positioning direct to the heat source/die. The topside metallization is adapted for thick wire bonding and the backside is designed for soldering processes. Both sides (metallization) are electrically isolated from each other.

5147921

Technical Data

  • Type: SMD 1206 SC Solder
  • Nominal Resistance R₀ [Ω]: Pt1000
  • Temperature Coefficient (TCR): 3850
  • Tolerance Class: F 0.6 (2B)
  • Min. Temp. °C: -50
  • Max. Temp. °C: 175
  • Min. Tolerance Temp. °C: 50
  • Max. Tolerance Temp. °C: 175
  • Size [mm] (L₁xWxH): 3.1 / 1.5 / 0.55
  • Length₂ (mm): 0.79
  • Connection Technology: Suitable for soldering on backside, for optimized heat transfer and on topside for ultrasonic wire bonding
  • Isolation Resistance: > 1000 MΩ at 20 °C
  • Top Side Metallization (Bonding): Bonding: AgPt surface in thick film technology for thick wire ultrasonic bonding process.
    Recommendation: Heraeus Al H11 thick wires (Ø 300 µm).
    All tests were performed with recommended wire
  • Back Side Metallization (Sintering): Soldering: AgPd surface in thick film technology for soldering process.
    Recommendation: Heraeus soldering paste (F645)
    All tests were performed with recommended paste F645
  • Shear Test Backside / Sinter: Soldering
    Typical mean value >15N/mm²
    Soldering paste Heraeus F645 on Ni/Au coated DCB substrate
    Solder depot 2mg
    Fired at peak temperature 250 °C for 90 sec in vauum solder furnace
  • Pull Test Top Side / Bonding: Bonding
    > 210 cN (equals 75 % wire load limit of Al H11 thick wires (Ø = 300 µm)
  • Self-Heating: < 0.4 K/mW (unassembled)
  • Storage Life: In unopened original packing (minimum half a year)

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The information provided in this data sheet describes certain technical characteristics of the product, but shall not be qualified or construed as quality guarantee (Beschaffenheitsgarantie) in the meaning of sections 443 and 444 German Civil Code. The information provided in this data sheet regarding measurement values (including, but not limited to, response time, long-term stability, vibration and shock resistance, insulation resistance and self-heating) are average values that have been obtained under laboratory conditions in tests of large numbers of the product. Product results or measurements achieved by customer or any other person in any production, test, or other environment may vary depending on the specific conditions of use. The customer is solely responsible to determine whether the product is suited for the customer's intended use; in this respect Heraeus cannot assume any liability. The sale of any products by Heraeus is exclusively subject to the General Terms of Sale and Delivery of Heraeus in their current version at the time of purchase, which is available under www.heraeus.com/gtc or may be furnished upon request. This data sheet is subject to changes without prior notice.