SCHOTTKY BARRIER DIODE
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CORPORATION
G491SD
Description Package Dimensions
ISSUED DATE :2003/01/28 REVISED DATE :2005/05/05...
Description
www.DataSheet4U.com
CORPORATION
G491SD
Description Package Dimensions
ISSUED DATE :2003/01/28 REVISED DATE :2005/05/05B
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 G491SD is low power rectification for switching power supply.
REF. A B C D E F
Millimeter Min. Max. 2.70 3.10 2.40 2.80 1.40 1.60 0.35 0.50 0 0.10 0.45 0.55
REF. G H K J L M
Millimeter Min. Max. 1.90 REF. 1.00 1.30 0.10 0.20 0.40 0.85 1.15 0 10
Absolute Maximum Ratings at Ta = 25
Parameter Junction Temperature Storage Temperature Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Peak Forward Surge Current at 8.3mSec single half sine-wave Typical Junction Capacitance between Terminal Maximum Average Forward Rectified Current Total Power Dissipation Symbol Tj Tstg VRRM VRMS VDC IFSM CJ Io PD Ratings +125 -40 ~ +125 25 18 20 3 30 1.0 225 V V V A pF A mW Unit
Characteristics
at Ta = 25
Symbol V(BR)R VF IR Min. 25 Max. 0.45 200 Unit V V uA IF = 1A VR = 20V Test Condition IR = 100uA
Characteristics Reverse breakdown voltage Maximum Instantaneous Forward Voltage Maximum Average Reverse Current
1/2
CORPORATION
Characteristics Curve
ISSUED DATE :2003/01/28 REVISED DATE :2005/05/05B
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