DIODES 1N4937

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
·
·
·
·
A
C
D
DO-41
Mechanical Data
·
·
B
A
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.)
Dim
Min
A
B
C
A-405
Max
Min
25.40
¾
25.40
¾
4.06
5.21
4.10
5.20
0.71
0.864
0.53
0.64
2.00
2.72
2.00
2.70
D
Max
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
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Average Rectified Output Current
(Note 1)
@ TA = 75°C
Non-Repetitive Peak Forward Surge Current
8.3ms Single half sine-wave Superimposed on Rated Load
(JEDEC Method)
Symbol
1N4933
G/GL
1N4934
G/GL
1N4935
G/GL
1N4936
G/GL
1N4937
G/GL
Unit
VRRM
VRWM
VR
50
100
200
400
600
V
VR(RMS)
35
70
140
280
420
V
IO
1.0
A
IFSM
30
A
@ IF = 1.0A
VFM
1.2
V
@ TA = 25°C
@ TA = 100°C
IRM
5.0
100
mA
Reverse Recovery Time (Note 3)
trr
200
ns
Typical Junction Capacitance (Note 2)
Cj
15
pF
RqJA
100
K/W
Tj, TSTG
-65 to +150
°C
Forward Voltage
Peak Reverse Current
at Rated DC Blocking Voltage
Typical Thermal Resistance Junction to Ambient
Operating and Storage Temperature Range
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
IF, INSTANTANEOUS FORWARD CURRENT (A)
I(AV), AVERAGE FWD RECTIFIED CURRENT (A)
1.0
0.8
0.6
0.4
0.2
PC Board Mounted
9.5mm Lead Lengths
0
25
50
75
100
125
150
175
10
1.0
0.1
TJ = 25°C
Pulse Width: 300µs
0.01
200
0
1.2
1.6
100
Pulse Width
8.3ms Single Half
Sine-Wave
20
Cj, CAPACITANCE (pF)
IFSM, PEAK FORWARD SURGE CURRENT (A)
0.8
VF, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
TA, AMBIENT TEMPERATURE (°C)
Fig. 1 Forward Current Derating Curves
30
0.4
10
10
1.0
0
1.0
10
1.0
100
10
100
VR, REVERSE VOLTAGE (V)
Fig. 4 Typical Junction Capacitance
NUMBER OF CYCLES AT 60Hz
Fig. 3 Max Non-Repetitive Peak Fwd Surge Current
trr
50Ω NI (Non-inductive)
(-)
10Ω NI
Device
Under
Test
(+)
+0.5A
(-)
0A
Pulse
Generator
(Note 2)
50V DC
Approx
1.0Ω
NI
Oscilloscope
(Note 1)
-0.25A
(+)
Notes:
1. Rise Time = 7.0ns max. Input Impedance = 1.0MΩ, 22pF.
2. Rise Time = 10ns max. Input Impedance = 50Ω.
-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