Features
• Ultra Low Forward Voltage Drop
• Superior Reverse Avalanche Capability
• Patented Super Barrier Rectifier Technology
• Soft, Fast Switching Capability
• 150ºC Operating Junction Temperature
• Lead Free Finish, RoHS Compliant (Note 1)
• “Green” Device, (Note 2)
• Qualified to AEC-Q101 Standards for High Reliability
Top View
SBR05U20SN
SURFACE MOUNT SUPER BARRIER RECTIFIER
Mechanical Data
• Case: SC-59
• Case Material: Molded Plastic, "Green" Molding Compound.
UL Flammability Classification Rating 94V-0
• Terminals: Matte Tin Finish annealed over Copper leadframe
Solderable per MIL-STD-202, Method 208
• Polarity: See Diagram
• Marking Information: See Page 3
• Ordering Information: See Page 3
• Weight: 0.008 grams (approximate)
Top View
Device Schematic
0.5A SBR
®
Maximum Ratings @T
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitance load, derate current by 20%.
Characteristic Symbol Value Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Average Rectified Output Current (See Figure 1)
Non-Repetitive Peak Forward Surge Current
= 25°C unless otherwise specified
A
V
RRM
V
RWM
V
RM
V
R(RMS
I
O
I
FSM
20 V
14 V
500 mA
3 A
Thermal Characteristics
Maximum Thermal Resistance
Thermal Resisitance Junction to Ambient (Note 4)
Operating and Storage Temperature Range
Electrical Characteristics @T
Reverse Breakdown Voltage (Note 3)
Forward Voltage Drop
Leakage Current (Note 3)
Notes: 1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied, see EU Directive 2002/95/EC Annex Notes.
2. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.
3. Short duration pulse test used to minimize self-heating effect.
4. Polymide PCB, 2oz, copper minimum recommended pad layout per http://www.diodes.com
SBR is a registered trademark of Diodes Incorporated.
SBR05U20SN
Document number: DS31387 Rev. 5 - 2
Characteristic Symbol Value Unit
R
θJA
T
, T
J
STG
= 25°C unless otherwise specified
A
Characteristic Symbol Min Typ Max Unit Test Condition
V
R
V
F
I
R
1 of 4
www.diodes.com
20 - - V
-
-
134 ºC/W
-65 to +150 ºC
IR = 100µA
= 0.5A, TJ = 25ºC
0.51
0.48
6
0.5
0.56
0.53
100
20
V
µA
mA
I
F
I
= 0.5A, TJ = 125ºC
F
= 20V, TJ = 25ºC
V
R
= 20V, TJ = 125ºC
V
R
August 2010
© Diodes Incorporated
SBR05U20SN
0.9
0.8
0.7
N (W)
0.6
1
E (A)
0.1
D V
0.5
DISSI
0.4
0.01
S F
0.3
D
0.2
ANE
AN
0.001
0.1
F
I , INS
0.0001
0 200 400 600 800
V , INSTANTANEOUS FORWARD VOLTAGE(mV)
F
Fig. 2 Typical Forward Characteristics
180
160
10,000
E (µA)
1,000
0
0
0.3 0.6 0.9 1.2
I , AVERAGE FORWARD CURRENT (A)
F(AV)
Fig. 1 Forward Power Dissipation
140
SE V
EVE
ANE
R
I , INS
(A)
EN
D
E F
100
10
1
0.1
0.01
04 81216
V , INSTANTANEOUS REVERSE VOLTAGE(V)
R
Fig. 3 Typical Reverse Characteristics
0.70
0.60
0.50
0.40
0.30
0.20
20
120
100
80
60
T
40
C , TOTAL CAPACIT ANCE (pF)
20
0
0.1 1 10 100
V , DC REVERSE VOL TAGE (V)
R
Fig. 4 Total Capacitance vs. Reverse Voltage
150
125
100
75
50
0.10
F(AV)
I, AVE
0
0
25
T , AMBIENT TEMPERATURE (°C)
A
50
75
100 125
150
175
Fig. 5 Forward Current Derating Curve
25
A
T , DERATED AMBIENT TEMPERATURE (°C)
0
02468101214161820
V , DC REVERSE VOL TAGE (V)
R
Fig. 6 Operating Temperature Derating
SBR is a registered trademark of Diodes Incorporated.
SBR05U20SN
Document number: DS31387 Rev. 5 - 2
2 of 4
www.diodes.com
August 2010
© Diodes Incorporated