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Diodes Semiconductor Electronic Components Datasheet

1N4937G Datasheet

1.0A FAST RECOVERY GLASS PASSIVATED RECTIFIER

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1N4933G/L - 1N4937G/L
1.0A FAST RECOVERY GLASS PASSIVATED RECTIFIER
Features
· Glass Passivated Die Construction
· Diffused Junction
· Fast Switching for High Efficiency
· High Current Capability and Low Forward
Voltage Drop
· Surge Overload Rating to 30A Peak
· Plastic Material: UL Flammability
Classification Rating 94V-0
ABA
C
D
Mechanical Data
· Case: Molded Plastic
· Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
· Polarity: Cathode Band
· Marking: Type Number
· DO-41 Weight: 0.35 grams (approx.)
· A-405 Weight: 0.20 grams (approx.)
DO-41
A-405
Dim Min Max Min Max
A 25.40 ¾ 25.40 ¾
B 4.06 5.21 4.10 5.20
C 0.71 0.864 0.53 0.64
D 2.00 2.72 2.00 2.70
All Dimensions in mm
“GL” Suffix Designates A-405 Package
“G” Suffix Designates DO-41 Package
Maximum Ratings and Electrical Characteristics @ TA = 25°C unless otherwise specified
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Characteristic
Symbol
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
RMS Reverse Voltage
VR(RMS)
Average Rectified Output Current
(Note 1)
@ TA = 75°C
IO
Non-Repetitive Peak Forward Surge Current
8.3ms Single half sine-wave Superimposed on Rated Load
(JEDEC Method)
IFSM
Forward Voltage
@ IF = 1.0A VFM
Peak Reverse Current
at Rated DC Blocking Voltage
@ TA = 25°C
@ TA = 100°C
IRM
Reverse Recovery Time (Note 3)
trr
Typical Junction Capacitance (Note 2)
Cj
Typical Thermal Resistance Junction to Ambient
RqJA
Operating and Storage Temperature Range
Tj, TSTG
1N4933
G/GL
50
35
1N4934 1N4935 1N4936
G/GL
G/GL
G/GL
100 200 400
70 140 280
1.0
30
1.2
5.0
100
200
15
100
-65 to +150
1N4937
G/GL
Unit
600 V
420 V
A
A
V
mA
ns
pF
K/W
°C
Notes:
1. Valid provided that leads are maintained at ambient temperature at a distance of 9.5mm from the case.
2. Measured at 1.0MHz and applied reverse voltage of 4.0V DC.
3. Measured with IF 0.5A, IR = 1.0A, Irr = 0.25A.
DS27002 Rev. E-2
1 of 2
1N4933G/L - 1N4937G/L


Diodes Semiconductor Electronic Components Datasheet

1N4937G Datasheet

1.0A FAST RECOVERY GLASS PASSIVATED RECTIFIER

No Preview Available !

1.0
0.8
0.6
0.4
0.2
PC Board Mounted
0 9.5mm Lead Lengths
25 50 75
100
125
150 175
TA, AMBIENT TEMPERATURE (°C)
Fig. 1 Forward Current Derating Curves
200
30
Pulse Width
8.3ms Single Half
Sine-Wave
20
10
10
1.0
0.1
0.01
0
0.4 0.8
TJ = 25°C
Pulse Width: 300µs
1.2 1.6
VF, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
100
10
0
1.0 10 100
NUMBER OF CYCLES AT 60Hz
Fig. 3 Max Non-Repetitive Peak Fwd Surge Current
50NI (Non-inductive)
10NI
(+)
50V DC
Approx
(-)
Device
Under
Test
1.0
NI
Oscilloscope
(Note 1)
(-)
Pulse
Generator
(Note 2)
(+)
1.0
1.0
+0.5A
10
VR, REVERSE VOLTAGE (V)
Fig. 4 Typical Junction Capacitance
100
trr
0A
-0.25A
Notes:
1. Rise Time = 7.0ns max. Input Impedance = 1.0M, 22pF.
2. Rise Time = 10ns max. Input Impedance = 50.
-1.0A
Set time base for 50/100 ns/cm
Fig. 5 Reverse Recovery Time Characteristic and Test Circuit
DS27002 Rev. E-2
2 of 2
1N4933G/L - 1N4937G/L


Part Number 1N4937G
Description 1.0A FAST RECOVERY GLASS PASSIVATED RECTIFIER
Maker Diodes Incorporated
Total Page 2 Pages
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