SD930 / SD940 / SD945
Document number: DS23026 Rev. 6 - 3 1 of 3
www.diodes.com January 2011
© Diodes Incorporated
SD930 / SD940 / SD945
NOT RECOMMENDED FOR NEW DESIGN
USE SBR10U45SP5
HIGH CURRENT SCHOTTKY BARRIER RECTIFIER
Features
• High Current Capability and Low Forward Drop
• High Surge Capacity
• Guard Ring for Transient Protection
• Low Power Loss, High Efficiency
• Lead Free Finish, RoHS Compliant (Note 1)
Mechanical Data
• Case: DO-201AD
• Case Material: Molded Plastic. UL Flammability Classification
Rating 94V-0
• Moisture Sensitivity: Level 1 per J-STD-020D
• Terminals: Finish ⎯ Tin. Leads Solderable per MIL-STD-202,
Method 208
• Polarity: Cathode Band
• Mounting Position: Any
• Ordering Information: See Page 3
• Weight: 1.1 grams (approximate)
Maximum Ratings @TA = 25°C unless otherwise specified
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitance load, derate current by 20%.
Characteristic Symbol SD930 SD940 SD945 Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR 30 40 45 V
Voltage Rate of Change dv/dt 10,000 V/µs
Maximum Average Forward Current @ TC = 120°C
(Note 3) IO 9.0 A
Maximum Peak One-Cycle @ 5µs Sine Wave
Surge Current @ 10ms Sine Wave IFSM 2150
340 A
Thermal Characteristics
Characteristic Symbol Value Unit
Typical Thermal Resistance Junction to Case (Note 2) R
JL 8.0 K/W
Operating and Storage Temperature Range TJ, TSTG -65 to +150 °C
Electrical Characteristics @TA = 25°C unless otherwise specified
Characteristic Symbol Min Typ Max Unit Test Condition
Forward Voltage (Note 4) VF -
-
-
-
-
-
-
-
0.48
0.42
0.57
0.52
V
IF = 9.0A, TJ = 25°C
IF = 9.0A, TJ = 125°C
IF = 18A, TJ = 25°C
IF = 18A, TJ = 125°C
Peak Reverse Current (Note 4) IR -
- -
- 0.8
70 mA @ Rated VR, TA = 25°C
@ Rated VR, TA = 100°C
Total Capacitance CT - - 900 pF VR = 4V, f = 1MHz
Notes: 1. RoHS revision 13.2.2003. Glass and high temperatu re solder exemptions applied, see EU Directive Annex Notes 5 and 7.
2. Thermal resistance from junction to lead vertical PC board mounting, 9.5mm lead length.
3. Device mounted to heat sink with 1/8" lead length.
4. Pulse width ≤ μs - Duty Cycle ≤ 2%.
5. Short duration pulse test used to minimize self-heating effect.
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