1N4933 - 1N4937
1.0A FAST RECOVERY RECTIFIER
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Features
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Diffused Junction
Fast Switching for High Efficiency
High Current Capability and Low Forward Voltage Drop
Surge Overload Rating to 30A Peak
Low Reverse Leakage Current
Lead Free Finish, RoHS Compliant (Note 4)
Mechanical Data
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Case: DO-41
Case Material: Molded Plastic. UL Flammability Classification Rating
94V-0
Moisture Sensitivity: Level 1 per J-STD-020D
Terminals: Finish - Bright Tin. Plated Leads Solderable per MIL-
STD-202, Method 208
Polarity: Cathode Band
Mounting Position: Any
Ordering Information: See Page 2
Marking: Type Number
0.35 grams (approximate)
Dim
DO-41 Plastic
Min
Max
A
25.40
⎯
B
4.06
5.21
C
0.71
0.864
D
2.00
2.72
All Dimensions in mm
Maximum Ratings and Electrical Characteristics
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 (Note 5)
RMS Reverse Voltage
Average Rectified Output Current (Note 1) @ T
A
= 75°C
Non-Repetitive Peak Forward Surge Current 8.3ms
Single Half Sine-Wave Superimposed on Rated Load
Forward Voltage Drop @ I
F
= 1.0A
Peak Reverse Current @T
A
= 25°C
at Rated DC Blocking Voltage (Note 5) @ T
A
= 100°C
Reverse Recovery Time (Note 3)
Typical Total Capacitance (Note 2)
Typical Thermal Resistance Junction to Ambient
Operating and Storage Temperature Range
Notes:
1.
2.
3.
4.
5.
@T
A
= 25°C unless otherwise specified
Symbol
V
RRM
V
RWM
V
R
V
R(RMS)
I
O
I
FSM
V
FM
I
RM
t
rr
C
T
R
θ
JA
T
J,
T
STG
1N4933
50
35
1N4934
100
70
1N4935
200
140
1.0
30
1.2
5.0
100
200
15
100
-65 to +150
1N4936
400
280
1N4937
600
420
Unit
V
V
A
A
V
μA
ns
pF
°C/W
°C
Leads maintained at ambient temperature at a distance of 9.5mm from the case.
Measured at 1.0MHz and applied reverse voltage of 4.0V DC.
Measured with I
F
= 0.5A, I
R
= 1A, I
rr
= 0.25A.
EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied, see EU Directive 2002/95/EC Annex Notes.
Short duration pulse test used to minimize self-heating effect.
DS26002 Rev. 7 - 2
1 of 2
www.diodes.com
1N4933-1N4937
© Diodes Incorporated
I
(AV)
, AVERAGE FORWARD RECTIFIED CURRENT (A)
I
F
, INSTANTANEOUS FORWARD CURRENT (A)
1.0
20
10
0.8
0.6
1.0
0.4
0.1
0.2
PC Board Mounted
9.5mm Lead Lengths
T
j
= 25°C
Pulse Width = 300µs
0
0
25
50
75
100
125
150
175
T
A
, AMBIENT TEMPERATURE (ºC)
Fig. 1 Forward Current Derating Curve
0.01
0.6
0.8
1.0
1.2
1.4
1.6
V
F
, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
30
I
FSM
, PEAK FORWARD SURGE CURRENT (A)
Pulse Width
8.3ms Single Half
Sine-Wave
100
C
T
TOTAL CAPACITANCE (pF)
20
10
10
0
1
10
100
NUMBER OF CYCLES AT 60 Hz
Fig. 3 Max Non-Repetitive Peak Forward Surge Current
1
1
10
V
R
, DC REVERSE VOLTAGE (V)
Fig. 4 Typical Total Capacitance
100
Ordering Information
(Note 6)
Device
1N4933-T
1N4934-T
1N4935-T
1N4936-T
1N4937-T
Notes:
Packaging
DO-41
DO-41
DO-41
DO-41
DO-41
Shipping
5K/Tape & Reel, 13-inch
5K/Tape & Reel, 13-inch
5K/Tape & Reel, 13-inch
5K/Tape & Reel, 13-inch
5K/Tape & Reel, 13-inch
6. For packaging details, visit our website at http://www.diodes.com/datasheets/ap02008.pdf.
IMPORTANT NOTICE
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product
described herein; neither does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall
assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on our website,
harmless against all damages.
LIFE SUPPORT
Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written
approval of the President of Diodes Incorporated.
DS26002 Rev. 7 - 2
2 of 2
www.diodes.com
1N4933-1N4937
© Diodes Incorporated
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