IN4937 Ver la hoja de datos (PDF) - First Components International
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IN4937 Datasheet PDF : 2 Pages
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Data Sheet
1.0 Amp FAST RECOVERY
PLASTIC RECTIFIERS
Forward Current Derating Curve
1.5
100
1.0
10
.5
1
0 25 50 75 100 125 150 175
1
Ambient Temperature (°C)
Non-Repetitive
Peak Forward Surge Current
10
100
Number of Cycles @ 60 Hz
1000
Typical Instantaneous Forward Characteristics
10
100
50
1
Typical Junction Capacitance
TJ = 25°C
10
.1
TJ = 25°C
1
.01
.1
.6
.8
1.0
1.2 1.4
Forward Voltage (V)
1
10
100
Reverse Voltage (V)
Non-Inductive
50Ω
(+)
25 VDC
(-)
10Ω
D.U.T
(-)
Pulse
Generator
1Ω
Note 2
Non-
Oscilliscope (+)
Inductive
Note 1
+.5A
0A
-.25A
Reverse Recovery Characteristics
tRR
Notes: 1. Rise Time = 7 ns Max.
Impedance = 1 megohm, 22 pF
2. Rise Time = 10 ns Max.
Source Impedance = 50 Ohms
-1.0A
1 cm
Time Base Set @ 50/100ns/cm
NOTES: 1. Measured @ 1 MHz and applied reverse voltage of 4.0V.
2. Thermal Resistance Junction to Ambient, Jedec Method.
Ratings at
25 Deg. C ambient
temperature
unless otherwise
specified.
Single Phase Half
Wave, 60 Hz
Resistive or
Inductive Load.
For Capacitive
Load, Derate
Current by 20%.
Page 4-3
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