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CDBQR42 Dataheets PDF



Part Number CDBQR42
Manufacturers Comchip
Logo Comchip
Description (CDBQR42 / CDBQR43) SMD Schottky Barrier Diode
Datasheet CDBQR42 DatasheetCDBQR42 Datasheet (PDF)

SMD Schottky Barrier Diode SMD Diodes Specialist CDBQR42/43(RoHS Device) Io = 200 mA V R = 30 Volts Features Low forward voltage. Designed for mounting on small surface. Extremely thin/leadless package. Majority carrier conduction. 0.026(0.65) 0.022(0.55) 0402(1005) 0.041(1.05) 0.037(0.95) Mechanical data Case: 0402(1005) standard package, molded plastic. Terminals: Gold plated, solderable per MIL-STD-750,method 2026. Marking code: CDBQR42 : BD CDBQR43 : BE Mounting position: Any Weight: 0.00.

  CDBQR42   CDBQR42



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SMD Schottky Barrier Diode SMD Diodes Specialist CDBQR42/43(RoHS Device) Io = 200 mA V R = 30 Volts Features Low forward voltage. Designed for mounting on small surface. Extremely thin/leadless package. Majority carrier conduction. 0.026(0.65) 0.022(0.55) 0402(1005) 0.041(1.05) 0.037(0.95) Mechanical data Case: 0402(1005) standard package, molded plastic. Terminals: Gold plated, solderable per MIL-STD-750,method 2026. Marking code: CDBQR42 : BD CDBQR43 : BE Mounting position: Any Weight: 0.001 gram(approx.). Dimensions in inches and (millimeter) 0.020(0.50) Typ. 0.012(0.30) Typ. 0.022(0.55) 0.018(0.45) Maximum Rating (at T A =25 C unless otherwise noted) O Parameter Peak reverse voltage Reverse voltage RMS reverse voltage Average forward rectified current Repetitive peak forward current Forward current,surge peak Power dissipation Thermal resistance junction to ambient air Storage temperature Junction temperature Conditions http://www.DataSheet4U.net/ Symbol Min Typ Max Unit V RM VR V R(RMS) IO I FRM 30 30 21 200 0.5 4 125 667 -55 +125 +125 V V V mA A A mW O 8.3 ms single half sine-wave superimposed on rate load(JEDEC method) I FSM PD R JA C/W O T STG Tj O C C O Electrical Characteristics (at T A =25 C unless otherwise noted) Parameter Forward voltage CDBQR42/43 CDBQR42 CDBQR42 CDBQR43 CDBQR43 I F = 200mA I F = 10mA I F = 50mA I F = 2mA I F = 15mA V R = 25V f = 1 MHz, and 1 VDC reverse voltage I F =I R =10mA,Irr=0.1xIR,RL=100 ohm Conditions Symbol Min Typ Max Unit VF 1 0.4 0.65 0.33 0.45 0.5 10 5 V Reverse current Capacitance between terminals Reverse recovery time IR CT T rr uA pF nS REV:B QW-A1125 Page 1 Comchip Technology CO., LTD. datasheet pdf - http://www.DataSheet4U.net/ SMD Schottky Barrier Diode SMD Diodes Specialist RATING AND CHARACTERISTIC CURVES (CDBQR42/43) Fig. 1 - Forward characteristics 500 1m Fig. 2 - Reverse characteristics Reverse current ( A ) Forward current (mA ) 100 100u 125 C O 10u 75 C O 10 1u 1 C 75 C C O O O C O 100n 25 C O 125 0.1 0 0.2 0.4 0.6 0.8 -25 25 10n 0 10 20 30 40 Forward voltage (V) Reverse voltage (V) Fig.3 - Capacitance between terminals characteristics Capacitance between terminals ( P F) 16 120 Fig.4 - Current derating curve Average forward current(%) 14 12 f=1MHz O T A =25 C Mounting on glass epoxy PCBs 100 http://www.DataSheet4U.net/ 80 10 8 6 4 2 0 0 5 10 15 20 25 30 35 60 40 20 0 0 25 50 75 100 O 125 150 Reverse voltage (V) Ambient temperature ( C) REV:B QW-A1125 Page 2 Comchip Technology CO., LTD. datasheet pdf - http://www.DataSheet4U.net/ SMD Schottky Barrier Diode SMD Diodes Specialist Reel Taping Specification P0 P1 d Index hole E T F B Polarity W C P A 12 0 o D2 D1 D http://www.DataSheet4U.net/ W1 Trailer ....... ....... 10 pitches (min) Device ....... ....... ....... ....... Leader ....... ....... 10 pitches (min) End Start Direction of Feed SYMBOL A 0.75 ± 0.10 0.026 ± 0.004 B 1.15 ± 0.10 0.045 ± 0.004 C 0.60 ± 0.10 0.024 ± 0.004 d 1.55 ± 0.10 0.061 ± 0.004 D 178 ± 1 7.008 ± 0.04 D1 60.0 MIN. 2.362 MIN. D2 13.0 ± 0.20 0.512 ± 0.008 QR/0402 (mm) (inch) SYMBOL E 1.75 ± 0.10 0.069 ± 0.004 F 3.50 ± 0.05 0.138 ± 0.002 P 4.00 ± 0.10 0.157 ± 0.004 P0 4.00 ± 0.10 0.157 ± 0.004 P1 2.00 ± 0.10 0.079 ± 0.004 T 0.22 ± 0.05 0.009 ± 0.002 W 8.00 ± 0.20 0.315 ± 0.008 W1 13.5 MAX. 0.531 MAX. QR/0402 (mm) (inch) REV:B QW-A1125 Page 3 Comchip Technology CO., LTD. datasheet pdf - http://www.DataSheet4U.net/ SMD Schottky Barrier Diode SMD Diodes Specialist Marking Code Part Number CDBQR42 CDBQR43 Marking Code BD BE XX xx = Product type marking code Suggested PAD Layout QR/0402 SIZE (mm) A B C D E 0.750 0.500 0.700 1.250 0.250 (inch) 0.030 0.020 C http://www.DataSheet4U.net/ D A E 0.028 0.049 0.010 B Standard Package Qty per Reel Case Type (Pcs) QR/0402 5000 Reel Size (inch) 7 REV:B QW-A1125 Page 4 Comchip Technology CO., LTD. datasheet pdf - http://www.DataSheet4U.net/ .


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