DS26002 Rev. E-2 1 of 2 1N4933/L-1N4937/L
www.diodes.com ã Diodes Incorporated
1N4933/L - 1N4937/L
1.0A FAST RECOVERY RECTIFIER
Features
“L” Suffix Designates A-405 Package
No Suffix Designates DO-41 Package
A A
B
C
D
DO-41 Plastic A-405
Dim Min Max Min Max
A25.40 ¾25.40 ¾¾
B4.06 5.21 4.10 5.20
C0.71 0.864 0.53 0.64
D2.00 2.72 2.00 2.70
All Dimensions in mm
Maximum Ratings and Electrical Characteristics @ TA = 25°C unless otherwise specified
·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
·Plastic Material: UL Flammability
Classification Rating 94V-0
Mechanical Data
·Case: Molded Plastic
·Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
·Polarity: Cathode Band
·Weight: DO-41 0.35 grams (approx)
· A-405 0.20 grams (approx)
·Mounting Position: Any
·Marking: Type Number
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Characteristic Symbol 1N4933/L 1N4934/L 1N4935/L 1N4936/L 1N4937/L 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°CIO1.0 A
Non-Repetitive Peak Forward Surge Current 8.3ms
single half sine-wave superimposed on rated load
(JEDEC Method)
IFSM 30 A
Forward Voltage Drop @ IF = 1.0A VFM 1.2 V
Peak Reverse Current @TA = 25°C
at Rated DC Blocking Voltage @ TA = 100°CIRM 5.0
100 mA
Reverse Recovery Time (Note 3) trr 200 ns
Typical Junction Capacitance (Note 2) Cj15 pF
Typical Thermal Resistance Junction to Ambient RqJA 100 K/W
Operating and Storage Temperature Range Tj, TSTG -65 to +150 °C
Notes: 1.Leads 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 = 1A, Irr = 0.25A.
SPICE MODELS: 1N4933 1N4934 1N4935 1N4936 1N4937
DS26002 Rev. E-2 2 of 2 1N4933/L-1N4937/L
www.diodes.com
1 10 100
1
10
100
C , CAPACITANCE (pF)
j
V , REVERSE VOLTAGE (V)
R
Fi
g
.4 T
y
pical Junction Capacitance
T = 25C
j
f = 1MHz
110
100
0
NUMBER OF CYCLES AT 60 Hz
Fi
g
. 3 Max Non-Repetitive Peak Fwd Sur
g
e Current
I , PEAK FWD SURGE CURRENT (A)
FSM
10
20
30
Pulse Width
8.3ms Single Half
Sine-Wave
0.6 0.8 1.0 1.2 1.4 1.6
0.01
0.1
1.0
10
20
V , INSTANTANEOUS FORWARD VOLTAGE (V)
F
Fig. 2 Typical Forward Characteristics
I , INSTANTANE
O
US F
O
RWARD CURRENT (A)
F
T=25°C
J
Pulse Width = 300µs
025 50 75 100 125 150 175
0.2
0.4
0.6
0.8
1
.
0
0
I , AVERAGE FWD RECTIFIED CURRENT (A)
(AV)
T , AMBIENT TEMPERATURE (ºC)
A
Fi
g
. 1 Forward Current Deratin
g
Curves
PC Board Mounted
9.5mm Lead Lengths
