1T378A SONY

Document overview

  • Manufacturer or author: Provided By digicamel.com
  • PDF pages: 4

Technical content

Features

  • Super miniature package
  • Low series resistance 0.85 Ω Max. (f=470 MHz)
  • Large capacitance ratio 12.5 Typ. (C2/C25) 1.03 Min. (C 25/C28)
  • Small leakage current 10 nA Max. (VR =28 V)
  • Capacitance deviation within 2 %

Applications

Electronic tuning of VHF band and wide-band CATV tuners Structure Silicon epitaxial planar type diode Variable Capacitance Diode M-235 1T378A Electrical Characteristics (Ta=25 °C) Item Reverse current Reverse voltage Diode capacitance Capacitance ratio Series resistance Capacitance deviation in a matching group Symbol I R VR C 2 C 25 C 2/C25 C 25/C28 rs Conditions VR =28 V IR =1 µA VR =2 V, f=1 MHz VR =25 V, f=1 MHz C D =14 pF, f=470 MHz VR =2 to 25 V, f=1 MHz Min. Typ. Max. Unit 10 nA 34 V 33.0 39.0 pF 2.57 3.00 pF 12.0 12.5 1.03 0.85 Ω The continuous 20 pieces of ∆C are guaranteed.

— 2— 1T378A 1 2 5 10 20 50 100 D iode capacitance vs. R everse voltage VR -R everse voltage (V) C-Diode capacitance (pF) R everse current vs. Am bient tem perature –20 0 20 40 60 80 Ta-Am bient tem perature (°C ) IR-Reverse current (pA) 100 1000 100 R everse current vs. R everse voltage IR-Reverse current (pA) 1.00 1000.00 100.00 10.00 1 10 100 VR -R everse voltage (V) 0.10 Ta=25°C , f=1M H z VR =28V /LiteDiagLines /LiteDiagLines /LiteDiagLines /LiteDiagLines /LiteDiagLines /LiteDiagLinesTa=25°C /LiteDiagLines /LiteDiagLines /LiteDiagLines Ta=60°C /LiteDiagLines /LiteDiagLines /LiteDiagLines Ta=80°C

— 3— 1T378A 1000 Therm al coefficient of diode capacitance 1 10 VR -R everse voltage (V) Therm al coefficient (ppm /°C) 100 100 0.99 1.00 1.01 1.02 1.03 1.04 D iode capacitance vs. Am bient tem perature C (Ta) / C (25°C)-Diode capacitance VR =1V VR =2V VR =25V VR =15V VR =7V Forw ard voltage vs. Am bient tem perature V F-Forward voltage (V) –20 0 20 40 60 80 Ta-Am bient tem perature (°C ) 0.80 0.70 0.60 0.50 R everse voltage vs. Am bient tem perature V R-Reverse voltage (V) –20 0 20 40 60 80 Ta-Am bient tem perature (°C ) IF=1m A IR =10µA –20 0 20 40 60 80 Ta-Am bient tem perature (°C ) 0.97 0.98 f=1M H z f=1M H z

/LiteDiagLines/LiteDiagLines /LiteDiagLines /LiteDiagLines/LiteDiagLines /LiteDiagLinesM-235 ∗1.25 + 0.2 – 0.1 0.3 + 0.1 – 0.05 ∗1.7 ± 0.1 2.5 ± 0.2 0.3 + 0.1 – 0.05 ∗0.9 ± 0.1 0.2 0 ± 0.05 0° to 10° 0.11 + 0.1 – 0.06 M-235 0.1g NOTE: Dimension “∗” does not include mold protrusion. Package Outline Unit : mm 1T378A —4— Marking 2CATHODE MARK B Notes 1) B:Lot No.(Year and Month of manufacture) Year;Last one digit Month;A,B,C(for Oct. to Dec.) 1 to 9(for Jan.to Sept.)