DL4933 - DL4937
1.0A SURFACE MOUNT FAST RECOVERY RECTIFIER
Features
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·
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Glass Passivated Junction
Low Leakage
Low Forward Voltage Drop
High Current Capability
For Surface Mounted Application
Plastic Material UL Flammability
Classification Rating 94V-0
A
B
C
Mechanical Data
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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
Dim
A
B
C
MELF
Min
4.80
2.40
Max
5.20
2.60
0.55 Nominal
All Dimensions in mm
Maximum Ratings and Electrical Characteristics
@ T
A
= 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
RMS Reverse Voltage
Maximum Average Forward Rectified Current @ T
T
=75°C
Peak Forward Surge Current 8.3 ms half sine-wave
superimposed on rated load (JEDEC Method)
Maximum Instantaneous Forward Voltage
@ I
F
= 1.0A
Maximum DC Reverse Current at Rated Blocking Voltage
Maximum Full Load Reverse Current Full Cycle Average
@ T
T
= 55°C
Maximum Reverse Recovery Time (Note 1)
Typical Junction Capacitance (Note 2)
Operating and Storage Temperature Range
Symbol
V
RRM
V
RWM
V
R
V
R(RMS)
I
O
I
FSM
V
F
I
R
I
R
t
rr
C
j
T
j,
T
STG
DL4933
50
35
DL4934
100
70
DL4935
200
140
1.0
30
1.2
5.0
100
200
15
-65 to +150
DL4936
400
280
DL4937
600
420
Units
V
V
A
A
V
mA
mA
ns
pF
°C
Notes:
1. Reverse Recovery Test Conditions: I
F
=1.0A, V
R
=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
I
O
, AVERAGE FORWARD RECTIFIED CURRENT (A)
I
FSM
, PEAK FORWARD SURGE CURRENT (A)
1.0
10
0.8
1.0
0.6
0.1
T
j
= 25ºC
Pulse Width = 300 ms
0.4
0.2
0.01
Single Phase
Half Wave 60 Hz
Resistive or
Inductive Load
0.6
0.8
1.0
1.2
1.4
0
25
50
75
100
125 150 175 200
V
F
, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 1 Peak Forward Surge Current vs Forward Voltage
T
T
, TERMINAL TEMPERATURE (ºC)
Fig. 2 Forward Derating Curve
I
FSM
, PEAK FORWARD SURGE CURRENT (A)
30
T
j
= 150ºC
Pulse Width
8.3 ms Single Half
Sine-Wave
100
C
j
, JUNCTION CAPACITANCE (pF)
T
j
= 25ºC
f = 1MHz
20
10
10
0
1
10
100
1
1
10
100
V
R
, REVERSE VOLTAGE (V)
Fig. 4 Junction Capacitance vs Reverse Voltage
NUMBER OF CYCLES AT 60 Hz
Fig. 3 Peak Fwd Surge Current vs Number of Cycles at 60 Hz
DS15001 Rev. D-2
2 of 2
DL4933-DL4937
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