DS23005 Rev. E-3 1 of 2 SR502 - SR506
·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,T
STG -65 to +150 °C
·Case: 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
DO-201AD
Dim Min Max
A25.40 ¾
B7.20 9.50
C1.20 1.30
D4.80 5.20
All Dimensions in mm
DS23005 Rev. E-3 2 of 2 SR502 - SR506
20 40 60 80 100 120 140
0
1
2
3
4
5
T , LEAD TEMPERATURE (ºC)
Fi
g
.1 T
y
pical Forward Characteristics
L
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
Fi
g
. 4 Maximum Non-Repetitive Peak Forward Sur
g
e 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)
Fig. 3 Typical Junction Capacitance
R
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)
Fi
g
.2 T
y
pical Forward Characteristics
F
SR502
SR503
SR504
SR505
SR506
T = 25ºC
Pulse Width = 300ms
2% Duty Cycle
J
