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Surface Mount Schottky Barrier Rectifier
COMCHIP
www.comchiptech.com
CDBV120 THRU CDBV140
Voltage Range 20 to 40V Current 1.0 Ampere
Features High current capability Extremely Low Thermall Resestance For Surface Mount Application High Temp Soldering : 250oC for 10 seconds at Terminals Low Forward Voltage Mechanical Data Case: Molded plastic SOD-323 Epoxy: UL 94V-0 rate flame retardant Solderable per MIL-STD-750 method 2026 Polarity: Indicated by cathode band Mounting position: Any Weight: 0.004 gram
SOD-323
0.12(0.3)
0.112(2.85) 0.100(2.55) 0.076(1.95) 0.065(1.65)
0.059(1.5) 0.043(1.1)
0.004(1.25) max.
0.49(1.25) max.
0.010(0.25) min.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25oC ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%.
SYMBOL Maximum Repetitive Peak Reverse Voltage Reverse Voltage Maximum Average Forward Current @ TJ=90 C Peak Forward Surge Current, 8.3ms single Half sine-wave superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage@ IFM1.0 A Maximum Instantaneous Forward Voltage@ IFM3.0 A Maximum DC Reverse Current @TJ=25 C VR=30V Typical Junction Capacitance (Note) Operating Junction and Storage Temperature Range
o o
CDBV120 20 20
CDBV130 30 30 1.0 5
CDBV140 40 40
UNIT V V A A
VRRM VR IO IFSM
VF IR CT TJ, TSTG
0.45 0.75
0.55 0.875 1.0 120 -50 to +150 / -65 to +175
0.6 0.9
V mA pF
o
C
NOTES : (1)Measured at 1.0 MHz and applied reverse voltage of 5.0V D.C. (2)Thermal Resistance Junction to Case.
MDS0408001A
Page 1
Surface Mount Schottky Barrier Rectifier
COMCHIP
www.comchiptech.com
RATINGS AND CHARACTERISTIC CURVES CDBV120 THRU CDBV140
FIG.1 - FORWARD CURRENT DERATING CURVE
1.0 5
FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT, AMPERES
Pulse Width 8.3ms Single Half-Sire-Wave (JEDEC Method)
AVERAGE FORWARD RECTIFIED CURRENT, AMPERES
0.8
4
0.6
3
0.4
2
0.2 60 Hz Resistive or Inductive load 0 0 50 100
o
1
0 150 1 10 100
LEAD TEMPERATURE, C
NUMBER OF CYCLES AT 60Hz
FIG.3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS
IINSTANTANEOUS FORWARD CURRENT, AMPERES
5
FIG.5 - TYPICAL JUNCTION CAPACITANCE
CDBV120 3 CDBV130 CDBV140 1
JUNCTION CAPACITANCE, pF
600 400 300 200 100
TJ = 25 C f = 1.0 MHZ Vsig = 50mVp-p
o
0.05 TJ=25 C PULSE WIDTH=300uS 1% DUTY CYCLE 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
o
1
0.01
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
0.1
5.0
10
15 20
30
40
REVERSE VOLTAGE, VOLTS
MDS0408001A
Page 2

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Price & Availability of CDBV140

Part #	Manufacturer	Description	Price	BuyNow Qty.
CDBV140-G CDBV140-G-ND	Comchip Technology Corporation Ltd	DIODE SCHOTTKY 40V 1A SOD323	150000: USD0.04654 75000: USD0.04727 30000: USD0.05709 9000: USD0.05818 6000: USD0.06727 3000: USD0.07036	0
CDBV140-HF 641-CDBV140-HFTR-ND	Comchip Technology Corporation Ltd	DIODE SCHOTTKY 40V 1A SOD323	150000: USD0.05471 75000: USD0.05557 30000: USD0.06711 9000: USD0.06839 6000: USD0.07908 3000: USD0.08271	0

Part #	Manufacturer	Description	Price	BuyNow Qty.
CDBV140-HF 750-CDBV140-HF	Comchip Technology Corporation Ltd	Schottky Diodes & Rectifiers DIODE SCHOTTKY 40V 1A SOD323	1: USD0.46 10: USD0.322 100: USD0.163 1000: USD0.099 3000: USD0.079 9000: USD0.068 24000: USD0.067 45000: USD0.055 99000: USD0.054	0

Part #	Manufacturer	Description	Price	BuyNow Qty.
CDBV140-G	Comchip Technology Corporation Ltd	Rectifier Diode, Schottky, 1 Element, 1A, 40VV(RRM)	3000: USD0.093 15000: USD0.088	0
CDBV140-HF	Comchip Technology Corporation Ltd	Schottky Diode	1: USD0.1481 15000: USD0.0677 27000: USD0.0597	0

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