DS27002 Rev. 7 - 2
1 of 3
www.diodes.com
1N4933G - 1N4937G
© Diodes Incorporated
1N4933G - 1N4937G
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
• Lead Free Finish, RoHS Compliant (Note 4)
Mechanical Data
• 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
• Ordering Information: See Page 3
• Marking: Type Number
• Weight: 0.35 grams (approximate)
Dim DO-41
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 @TA = 25°C unless otherwise specified
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Characteristic Symbol 1N4933G 1N4934G 1N4935G 1N4936G 1N4937G Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR 50 100 200 400 600 V
RMS Reverse Voltage VR(RMS) 35 70 140 280 420 V
Average Rectified Output Current (Note 1) @ TA = 75°C IO 1.0 A
Non-Repetitive Peak Forward Surge Current 8.3ms
Single Half Sine-Wave Superimposed on Rated Load IFSM 30 A
Forward Voltage @ IF = 1.0A VFM 1.2 V
Peak Reverse Current @ TA = 25°C
at Rated DC Blocking Voltage @ TA = 100°C IRM 5.0
100 μA
Reverse Recovery Time (Note 3) trr 200 ns
Typical Junction Capacitance (Note 2) Cj 15 pF
Typical Thermal Resistance Junction to Ambient RθJA 100 K/W
Operating and Storage Temperature Range TJ, TSTG -65 to +150 °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.
4. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied, see EU Directive 2002/95/EC Annex Notes.
DS27002 Rev. 7 - 2
2 of 3
www.diodes.com
1N4933G - 1N4937G
© Diodes Incorporated
25 50 75 100 125 150 175
0.2
0.4
0.6
0.8
1.0
0
I, AVE
R
A
G
E
F
O
R
WA
R
D
R
E
C
T
I
F
IED
C
U
R
R
EN
T
(A)
(AV)
T , AMBIENT TEMPERATURE ( C)
Fig. 1 Forward Current Derating Curves
A
°
PC Board Mounted
9.5mm Lead Lengths
200
0.01
0.1
1.0
10
V , IN STANTANE OU S FO RW ARD VOLTAG E (V)
Fig. 2 Typical Forward Characteristics
F
I, I
N
S
T
A
N
T
A
N
E
O
U
S F
O
R
WA
R
D
C
U
R
R
E
N
T
(A)
F
0 0.4 0.8 1.2 1.6
10 100
0
NUMBER OF CYCLES A T 60Hz
Fig. 3 Max Non-Repetitive Peak Forward Surge Current
I,
P
EAK F
O
R
WA
R
D S
U
R
G
E
C
U
R
R
EN
T
(A)
FSM
10
20
30
1.0
1.0 10 100
1.0
10
100
C
,
T
O
T
AL
C
A
P
A
C
I
T
AN
C
E (p
F
)
T
V , DC REVERSE VOLTAGE (V)
Fig. 4 Typical Total Capacitance
R
F = 1 m H z
DS27002 Rev. 7 - 2
3 of 3
www.diodes.com
1N4933G - 1N4937G
© Diodes Incorporated
Ordering Information (Note 5)
Device Packaging Shipping
1N4933G-T DO-41 5K/Tape & Reel, 13-inch
1N4934G-T DO-41 5K/Tape & Reel, 13-inch
1N4935G-T DO-41 5K/Tape & Reel, 13-inch
1N4936G-T DO-41 5K/Tape & Reel, 13-inch
1N4937G-T DO-41 5K/Tape & Reel, 13-inch
Notes: 5. 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 an y 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.
