Document
1N4933/L - 1N4937/L
1.0A FAST RECOVERY RECTIFIER Features
· · · · · · 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
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B
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C
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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
Dim A B C D
DO-41 Plastic Min 25.40 4.06 0.71 2.00 Max ¾ 5.21 0.864 2.72
A-405 Min 25.40 4.10 0.53 2.00 Max ¾¾ 5.20 0.64 2.70
All Dimensions in mm “L” Suffix Designates A-405 Package No Suffix Designates DO-41 Package @ TA = 25°C unless otherwise specified
Maximum Ratings and Electrical Characteristics
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 Average Rectified Output Current (Note 1) @ TA = 75°C Non-Repetitive Peak Forward Surge Current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) Forward Voltage Drop Peak Reverse Current at Rated DC Blocking Voltage Reverse Recovery Time (Note 3) Typical Junction Capacitance (Note 2) Typical Thermal Resistance Junction to Ambient Operating and Storage Temperature Range @ IF = 1.0A @TA = 25°C @ TA = 100°C Symbol VRRM VRWM VR VR(RMS) IO IFSM VFM IRM trr Cj RqJA Tj, TSTG
1N4933/L 50 35
1N4934/L 100 70
1N4935/L 200 140 1.0 30 1.2 5.0 100 200 15 100 -65 to +150
1N4936/L 400 280
1N4937/L 600 420
Unit V V A A V mA ns pF K/W °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.
DS26002 Rev. E-2
1 of 2
1N4933/L-1N4937/L
I(AV), AVERAGE FWD RECTIFIED CURRENT (A)
IF, INSTANTANEOUS FORWARD CURRENT (A)
1.0
20 10
0.8
0.6
1.0
0.4
0.1
0.2
PC Board Mounted 9.5mm Lead Lengths
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TJ = 25°C Pulse Width = 300µs
0
0
25
50
75
100
125
150
175
0.01
0.6
0.8
1.0
1.2
1.4
1.6
TA, AMBIENT TEMPERATURE (ºC) Fig. 1 Forward Current Derating Curves
VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 2 Typical Forward Characteristics
30
100
Pulse Width 8.3ms Single Half Sine-Wave
Tj = 25C f = 1MHz
IFSM, PEAK FWD SURGE CURRENT (A)
20
10
0 1 10 100 NUMBER OF CYCLES AT 60 Hz Fig. 3 Max Non-Repetitive Peak Fwd Surge Current
Cj, CAPACITANCE (pF)
10
1
1
10 VR, REVERSE VOLTAGE (V) Fig. 4 Typical Junction Capacitance
100
DS26002 Rev. E-2
2 of 2
1N4933/L-1N4937/L
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