DS15001 Rev. 8 - 3 1 of 3 DL4933-DL4937
www.diodes.com ã Diodes Incorporated
Features
·Glass Passivated Junction
·Low Leakage Current
·Low Forward Voltage Drop
·High Current Capability
·Lead Free Finish/RoHS Compliant (Note 3)
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Maximum Ratings and Electrical Characteristics @ TA = 25°C unless otherwise specified
Characteristic Symbol DL4933 DL4934 DL4935 DL4936 DL4937 Units
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 Forward Rectified Current @ TT = 75°C IO1.0 A
Peak Forward Surge Current 8.3 ms half sine-wave
superimposed on rated load IFSM 30 A
Maximum Instantaneous Forward Voltage @ IF = 1.0A VFM 1.2 V
Maximum DC Reverse Current at Rated Blocking Voltage IRM 5.0 mA
Maximum Full Load Reverse Current Full Cycle Average
@ TT = 55°CIR100 mA
Maximum Reverse Recovery Time (Note 1) trr 200 ns
Typical Total Capacitance (Note 2) CT15 pF
Operating and Storage Temperature Range Tj, TSTG -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.
3. RoHS revision 13.2.2003. Glass and High Temperature Solder Exemptions Applied, see EU Directive Annex Notes 5 and 7.
DL4933 - DL4937
1.0A SURFACE MOUNT FAST RECOVERY RECTIFIER
Mechanical Data
·Case: MELF
·Case Material: Molded Plastic. UL Flammability
Classification Rating 94V-0
·Lead Free Plating (Matte Tin Finish).
·Polarity: Cathode Band
·Approx Weight: 0.25 grams
·Marking: Cathode Band Only
MELF
Dim Min Max
A4.80 5.20
B2.40 2.60
C0.55 Nominal
All Dimensions in mm
C
A
B
NOT RECOMMENDED FOR NEW DESIGN
SUGGESTED REPLACEMENT RS1A - RS1J
NOT RECOMMENDED FOR NEW DESIGN
SUGGESTED REPLACEMENT RS1A - RS1J
DS15001 Rev. 8 - 3 2 of 3 DL4933-DL4937
www.diodes.com
0.01
0.1
1.0
10
0.6 0.8 1.0 1.2 1.4
T = 25ºC
j
Pulse Width = 300 ms
I , INSTANTANEOUS FORWARD CURRENT (A)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
F
Fig. 1 Typical Forward Characteristics
1
10
100
1 10 100
C , TOTAL CAPACITANCE (pF)
T
V , REVERSE VOLTAGE (V)
R
Fig. 4 Typical Total Capacitance vs Reverse Voltage
T = 25ºC
j
f = 1MHz
0
10
20
30
1 10 100
I , PEAK FORWARD SURGE CURRENT (A)
FSM
NUMBER OF CYCLES AT 60 Hz
Fig. 3 Peak Fwd Surge Current vs Number of Cycles at 60 Hz
T = 150ºC
j
Pulse Width
8.3 ms Single Half
Sine-Wave
0
0.2
0.4
0.6
0.8
1.0
25 50 75 100 125 150 175 200
I , AVERAGE FORWARD RECTIFIED CURRENT (A)
O
T , TERMINAL TEMPERATURE (ºC)
T
Fig. 2 Forward Derating Curve
Single Phase
Half Wave 60 Hz
Resistive or
Inductive Load
Device Packaging Shipping
DL4933-13-F MELF 5,000/Tape & Reel
DL4934-13-F MELF 5,000/Tape & Reel
DL4935-13-F MELF 5,000/Tape & Reel
DL4936-13-F MELF 5,000/Tape & Reel
DL4937-13-F MELF 5,000/Tape & Reel
Ordering Information
NOT RECOMMENDED FOR NEW DESIGN
SUGGESTED REPLACEMENT RS1A - RS1J
DS15001 Rev. 8 - 3 3 of 3 DL4933-DL4937
www.diodes.com
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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.