SURFACE MOUNT SCHOTTKY BARRIER DIODE
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CORPORATION
GD491SD
Description Package Dimensions
ISSUED DATE :2005/07/11 REVISED DATE :
S U R F...
Description
www.DataSheet4U.com
CORPORATION
GD491SD
Description Package Dimensions
ISSUED DATE :2005/07/11 REVISED DATE :
S U R F A C E M O U N T, S C H O T T K Y B A R R I E R D I O D E V O LT A G E 2 5 V, C U R R E N T 1 A
The GD491SD is low power rectification for switching power supply.
REF. A A1 A2 D E HE
Millimeter Min. Max. 0.85 1.05 0 0.10 0.80 1.00 1.15 1.45 1.60 1.80 2.30 2.70
REF. L b c Q1
Millimeter Min. Max. 0.20 0.25 0.10 0.40 0.40 0.18
0.15 BSC.
Absolute Maximum Ratings at Ta = 25
Parameter Operating Junction Temperature Storage Temperature Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current Peak Forward Surge Current at 8.3mSec single half sine-wave Typical Junction Capacitance between Terminal (Note 1) Total Power Dissipation Symbol Tj Tstg VRRM VRPS VDC Ratings -50 ~ +125 -50 ~ +150 25 18 20 1 3.0 30 225 V V V A A pF mW Unit
Io IFSM
CJ PD
Electrical Characteristics (at TA = 25
Parameter Reverse Breakdown Voltage Maximum Instantaneous Forward Voltage Reverse Leakage Current 2. ESD sensitive product handling required. VF
unless otherwise noted)
Min. 25 Max. 450 200 Unit V mV A Test Conditions
Symbol V(BR)R
IR=100 A IF=1A
VR=20V
IR
Notes: 1. Measured at 1.0 MHz and applied reverse voltage of 10 volts.
1/2
CORPORATION
Characteristics Curve
ISSUED DATE :2005/07/11 REVISED DATE :
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