GD491SD Datasheet, PDF (1/2 Pages) GTM CORPORATION – SURFACE MOUNT SCHOTTKY BARRIER DIODE

CORPORATION ISSUED DATE :2005/07/11
REVISED DATE :
GD491SD
SURFACE MOUNT, SCHOTTKY BARRIER DIODE
VOLTAGE 25V, CURRENT 1A
Description
The GD491SD is low power rectification for switching power supply.
Package Dimensions
Absolute Maximum Ratings at Ta = 25к
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
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
0.40
0.25
0.40
0.10
0.18
0.15 BSC.
Symbol
Tj
Tstg
VRRM
VRPS
VDC
Io
IFSM
CJ
PD
Ratings
-50 ~ +125
-50 ~ +150
25
18
20
1
3.0
30
225
Unit
ć
ć
V
V
V
A
A
pF
mW
Electrical Characteristics (at TA = 25ć unless otherwise noted)
Parameter
Symbol
Min. Max.
Unit
Reverse Breakdown Voltage
V(BR)R
25
-
V
Maximum Instantaneous Forward Voltage
VF
-
450
mV
Reverse Leakage Current
IR
-
200
A
Notes: 1. Measured at 1.0 MHz and applied reverse voltage of 10 volts.
2. ESD sensitive product handling required.
Test Conditions
IR=100 A
IF=1A
VR=20V
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