DIODS DL4937, DL4936, DL4935, DL4934, DL4933 Datasheet
Features
Glass Passivated Junction
·
Low Leakage
·
Low Forward Voltage Drop
·
High Current Capability
·
For Surface Mounted Application
·
Plastic Material UL Flammability
·
Classification Rating 94V-0
DL4933 - DL4937
1.0A SURFACE MOUNT FAST RECOVERY RECTIFIER
A
B
C
Mechanical Data
Case: MELF, Plastic
·
Terminals: Solderable per MIL-STD-202,
·
Method 208
Polarity: Cathode band
·
Approx Weight: 0.25 grams
·
Mounting Position: Any
·
· Marking: Cathode Band Only
Maximum Ratings and Electrical Characteristics
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Characteristic Symbol DL4933 DL4934 DL4935 DL4936 DL4937 Units
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Maximum Average Forward Rectified Current @ TT=75°C
Peak Forward Surge Current 8.3 ms half sine-wave
superimposed on rated load (JEDEC Method)
Maximum Instantaneous Forward Voltage @ IF= 1.0A
Maximum DC Reverse Current at Rated Blocking Voltage
Maximum Full Load Reverse Current Full Cycle Average
Maximum Reverse Recovery Time (Note 1)
Typical Junction Capacitance (Note 2)
Operating and Storage Temperature Range
@ T
= 55°C
T
V
V
V
R(RMS)
I
T
j,TSTG
RRM
RWM
V
R
I
O
FSM
V
F
I
R
I
R
t
rr
C
j
MELF
Dim Min Max
A
B
C
All Dimensions in mm
@ TA= 25°C unless otherwise specified
50 100 200 400 600 V
35 70 140 280 420 V
4.80 5.20
2.40 2.60
0.55 Nominal
1.0 A
30 A
1.2 V
5.0 mA
100 mA
200 ns
15 pF
-65 to +150 °C
Notes: 1. Reverse Recovery Test Conditions: IF=1.0A, VR=30V, di/dt = 50 A/ms.
2. Measured at 1.0MHz and Applied Reverse Voltage of 4.0V.
DS15001 Rev. D-2 1 of 2 DL4933-DL4937
10
O
e
100
g
)
g
1.0
0.8
1.0
T = 25ºC
j
WARD SURGE CURRENT (A)
0.1
R
0.01
FSM
I , PEAK F
0.6
V , INSTANTANEOUS FORWARD VOLTAGE (V)
F
0.8
Pulse Width = 300 ms
1.0
1.2
Fig. 1 Peak Forward Surge Current vs Forward Voltag
30
T = 150ºC
j
Pulse Width
8.3 ms Single Half
Sine-Wave
20
1.4
0.6
0.4
0.2
Single Phase
Half Wave 60 Hz
Resistive or
Inductive Load
0
25 50 75 100 125 150 175 200
O
I , AVERAGE FORWARD RECTIFIED CURRENT (A
T , TERMINAL TEMPERATURE (ºC)
T
Fi
. 2 Forward DeratingCurve
T = 25ºC
f = 1MHz
j
10
10
j
C , JUNCTION CAPACITANCE (pF)
FSM
I , PEAK FORWARD SURGE CURRENT (A)
0
1 10 100
NUMBER OF CYCLES AT 60 Hz
Fig. 3 Peak Fwd Surge Current vs Number of Cycles at 60 Hz
1
1 10 100
V , REVERSE VOLTAGE (V)
R
Fi
. 4 Junction Capacitance vs Reverse Voltage
DS15001 Rev. D-2 2 of 2 DL4933-DL4937
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