DS23005 Rev. 7 - 3 1 of 2 SR502 - SR506
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·High Current Capability and Low Forward Drop
·High Surge Capacity
·Guard Ring for Transient Protection
·Low Power Loss, High Efficiency
·Plastic Material: UL Flammability
Classification Rating 94V-0
Mechanical Data
Characteristic Symbol SR502 SR503 SR504 SR505 SR506 Unit
Maximum Recurrent Peak Reverse Voltage VRRM 20 30 40 50 60 V
Maximum RMS Voltage VRSM 14 21 28 35 42 V
Maximum DC Blocking Voltage VDC 20 30 40 50 60 V
Maximum Average Forward Rectified @ TL = 90°C
Current 9.5mm lead length I(AV) 5.0 A
Peak Forward Surge current 8.3ms half sine-wave
Superimposed on Rated Load (JEDEC Method) IFSM 150 A
Maximum Forward Voltage @ 5.0A VF0.55 0.67 V
Maximum Average Reverse Current at @ TA = 25°C
Peak Reverse Voltage @ TA = 100°C
IR
IR
1.0
50 mA
Typical Thermal Resistance (Note 1) RqJL 15 10 K/W
Typical Junction Capacitance (Note 2) CJ550 400 pF
Storage and Operating Temperature Range TJ, TSTG -65 to +150 °C
·Case: DO-201AD, Molded Plastic
·Terminals: Axial Lead, Solderable per
MIL-STD-202, Method 208
·Mounting Position: Any
·Polarity: Cathode Band
·Weight: 1.20 grams (approx.)
Rating at 25°C ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
Maximum Ratings and Electrical Characteristics
Notes: 1. Thermal Resistance from Junction to Lead Vertical PC Board Mounting, 9.5mm Lead Length.
2. Measured at 1.0MHz and applied reverse voltage of 4.0V.
SR502 - SR506
HIGH CURRENT SCHOTTKY BARRIER RECTIFIER
Features
AA
B
C
D
DO-201AD
Dim Min Max
A25.40 ¾
B7.20 9.50
C1.20 1.30
D4.80 5.20
All Dimensions in mm
NOT RECOMMENDED FOR NEW DESIGNS,
PLEASE USE SB520 - SB560
DS23005 Rev. 7 - 3 2 of 2 SR502 - SR506
www.diodes.com
20 40 60 80 100 120 140
0
1
2
3
4
5
T , LEAD TEMPERATURE (ºC)
L
Fig. 1 Typical Forward Characteristics
I , AVERAGE OUTPUT CURRENT (AMPERES)
(AV)
Single Phase Half Wave
60 Hz Resistive or Inductive Load
0
25
50
75
100
125
150
175
1 10 100
I , PEAK FORWARD SURGE CURRENT (AMPERES)
FSM
NUMBER OF CYCLES AT 60 Hz
Fig. 4 Maximum Non-Repetitive Peak Forward Surge Current
8.3ms Single Half Sine-Wave
JEDEC Method
100
1000
4000
0.1 1.0 10 100
C , CAPACITANCE (pF)
J
V , REVERSE VOLTAGE (VOLTS)
R
Fig. 3 Typical Junction Capacitance
SR502
SR503
SR504
SR505
SR506
T = 25ºC
J
0.1
1.0
10
40
0.1 0.3 0.5 0.7 0.9 1.1
I , INSTANTANEOUS FORWARD CURRENT (AMPS)
F
V , INSTANTANEOUS FORWARD VOLTAGE (VOLTS)
F
Fig. 2 Typical Forward Characteristics
SR502
SR503
SR504
SR505
SR506
T = 25ºC
J
Pulse Width = 300ms
2% Duty Cycle
IMPORTANT NOTICE
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further
notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product described herein; neither
does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall assume all risks of such use and will
agree to hold Diodes Incorporated and all the companies whose products are represented on our website, harmless against all damages.
LIFE SUPPORT
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.
