Document
NOT RECOMMENDED FOR NEW DESIGN USE RS1A - RS1J Series
Features
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 (Notes 1 & 2)
Pb
1N4933 - 1N4937
1.0A FAST RECOVERY RECTIFIER
Mechanical Data
Case: DO-41 Case Material: Molded Plastic. UL Flammability Classification Rating
94V-0 Moisture Sensitivity: Level 1 per J-STD-020 Terminals: Finish - Bright Tin. Plated Leads Solderable per MIL-
STD-202, Method 208 Polarity: Cathode Band Mounting Position: Any Marking: Type Number 0.35 grams (Approximate)
DO-41 Plastic
Dim
Min
Max
A 25.40
B
4.06
5.21
C
0.71
0.864
D
2.00
2.72
All Dimensions in mm
Ordering Information (Note 3)
Notes:
Device 1N4933-T 1N4934-T 1N4935-T 1N4936-T 1N4937-T
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
1. EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. All applicable RoHS exemptions applied. 2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and
Lead-free. 3. For packaging details, go to our website at https://www.diodes.com/design/support/packaging/diodes-packaging/.
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 (Note 7)
RMS Reverse Voltage
Average Rectified Output Current (Note 4) @ TA = +75C Non-Repetitive Peak Forward Surge Current 8.3ms Single Half Sine-Wave Superimposed on Rated Load
Symbol VRRM VRWM VR
VR(RMS)
IO
IFSM
1N4933 50 35
1N4934 100 70
1N4935 200
140 1.0 30
1N4936 400 280
Forward Voltage Drop @ IF = 1.0A
VFM
1.2
Peak Reverse Current @TA = +25C at Rated DC Blocking Voltage (Note 7) @ TA = +100C Reverse Recovery Time (Note 6)
Typical Total Capacitance (Note 5)
Typical Thermal Resistance Junction to Ambient
Operating and Storage Temperature Range
IRM
tRR CT RJA TJ, TSTG
5.0 100 200 15 100 -65 to +150
Notes:
4. Leads maintained at ambient temperature at a distance of 9.5mm from the case. 5. Measured at 1.0MHz and applied reverse voltage of 4.0V DC. 6. Measured with IF = 0.5A, IR = 1A, Irr = 0.25A. 7. Short duration pulse test used to minimize self-heating effect.
1N4933 - 1N4937
Document number: DS26002 Rev. 8 - 3
1 of 3 www.diodes.com
1N4937 Unit
600
V
420
V
A
A
V
A
ns pF °C/W C
November 2018
© Diodes Incorporated
I(AV), AVERAGE FORWARD RECTIFIED CURRENT (A)
NOT RECOMMENDED FOR NEW DESIGN USE RS1A - RS1J Series
1N4933 - 1N4937
1.0
0.8 0.6
0.4
0.2
PC Board Mounted 9.5mm Lead Lengths
.