Wuxi Xuyang Electronics Co., Ltd.
Wuxi Xuyang Electronics Co., Ltd.
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20Amp 45V SMD Schottky Barrier Rectifier Diode 20SQ045PBF TO-263 Case
FEATURES
● Designed as Bypass Diodes for Solar Panels
● Selectively Rated for 200ºC Maximum Junction Temperature for High Thermal Reliability
● Patented Super Barrier Rectifier Technology
● High Forward Surge Capability
● Ultra Low Forward Voltage Drop
● Excellent High Temperature Stability
Mechanical Data
● Case: TO-263
● Case Material: Molded Plasti c, “Green” Molding Compound. UL Flammability Classification
Rating 94V-0
● Terminals: Finish – Matte Tin annealed over Copper leadframe. Solderable per MIL-STD-202,
Method 2026
● Weight: 2.24 grams (approximate)
Maximum Ratings @TA = 25°C unless otherwise specified
Single phase, half wave, 60Hz, re sistive 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 | V RRM V RWM V RM | 45 | V |
| RMS Reverse Voltage | V R(RMS) | 32 | V |
| Average Rectified Output Current | IO | 15 | A |
| Non-Repetitive Peak Forward Surge Current 8.3ms Single Half Sine-Wave Superimposed on Rated Load | IFSM | 400 | A |
Thermal Characteristics
| Characteristic | Symbol | Value | Unit |
| Maximum Thermal Resistance Thermal Resistance Junction to Ambient (Note 1) | RθJA | 2.5 | ºC/W |
| Operating Temperature Range | TJ | -55 to +200 | ºC |
| Storage Temperature Range | TSTG | -55 to +175 | ºC |
Electrical Characteristics @TA = 25°C unless otherwise specified
| Characteristic | Symbol | Min | Typ | Max | Unit | Test Condition |
| Forward Voltage Drop (Per Leg) | VF | 0.60 0.55 | V | IF = 20A, TJ = 25ºC IF = 15A, TJ = 125ºC | ||
| Leakage Current (Note 2) | VF | 0.3 100 | mA | V R = 45V, TJ = 25ºC V R = 45V, TJ = 125ºC |
Notes: 1. Polymide, 2oz. Copper 16x minimum recommended pad layout
2. Short duration pulse test used to minimize self-heating effect.
Drawing:
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