Thông số kỹ thuật
| thuộc tính | Giá trị |
| Supplier | Diodes Incorporated |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | SBR® |
| Part Status | Active |
| Diode Type | Super Barrier |
| Voltage - DC Reverse (Vr) (Max) | 40 V |
| Current - Average Rectified(Io) | 1A |
| Voltage - Forward (Vf) (Max) @ If | 550 mV @ 1 A |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) |
| Current - Reverse Leakage @ Vr | 100 µA @ 40 V |
| Mounting Type | Surface Mount |
| Supplier Device Package | SOD-323 |
Tổng quan
Description
Introduction to SBR1A40S3-7 (concise overview)
- Type: Most likely a surface-mount Schottky barrier rectifier (SBR) diode.
- Ratings: Commonly around 40 V reverse voltage and 1 A forward current; exact values vary by manufacturer.
- Key benefits: Low forward voltage drop (roughly 0.4–0.5 V at 1 A), very fast switching, and negligible reverse recovery, boosting efficiency in switching power supplies.
- Typical uses: Output rectification in DC-DC converters, OR-ing/ideal-diode applications, reverse-polarity protection in power paths, and general automotive/industrial power electronics.
- Note: For precise electrical and mechanical specs (package type, leakage, capacitance, thermal data), consult the exact vendor datasheet.
If you provide the manufacturer or a datasheet link, I can tailor this to that specific variant.
- Type: Most likely a surface-mount Schottky barrier rectifier (SBR) diode.
- Ratings: Commonly around 40 V reverse voltage and 1 A forward current; exact values vary by manufacturer.
- Key benefits: Low forward voltage drop (roughly 0.4–0.5 V at 1 A), very fast switching, and negligible reverse recovery, boosting efficiency in switching power supplies.
- Typical uses: Output rectification in DC-DC converters, OR-ing/ideal-diode applications, reverse-polarity protection in power paths, and general automotive/industrial power electronics.
- Note: For precise electrical and mechanical specs (package type, leakage, capacitance, thermal data), consult the exact vendor datasheet.
If you provide the manufacturer or a datasheet link, I can tailor this to that specific variant.
Equivalent
Exact equivalents depend on the package and datasheet. SBR1A40S3-7 is a 1 A, 40 V Schottky barrier rectifier in SMT. Common cross-references with the same ratings include SS14 (1 A, 40 V Schottky in SMA) and other 1 A/40 V SMT Schottky diodes from major vendors. For precise substitutes, provide the package type (SMA/SOD-123/etc.) and the manufacturer or use a distributor’s cross-reference tool.
Features
- Schottky barrier rectifier diode (SBR)
- 1 A average forward current
- 40 V repetitive reverse voltage (VRRM)
- Very low forward voltage drop for higher efficiency
- High-speed switching with no reverse-recovery
- High surge current capability
- Low leakage current
- Surface-mount package (SMD)
- RoHS-compliant and lead-free
- Wide operating temperature range (-55°C to 125°C)
- 1 A average forward current
- 40 V repetitive reverse voltage (VRRM)
- Very low forward voltage drop for higher efficiency
- High-speed switching with no reverse-recovery
- High surge current capability
- Low leakage current
- Surface-mount package (SMD)
- RoHS-compliant and lead-free
- Wide operating temperature range (-55°C to 125°C)
Pinout
- Pin count: 2 pins (two-terminal diode: anode and cathode).
- Function: Schottky barrier rectifier diode (1 A, 40 V) used for efficient rectification and reverse-polarity protection in power supplies.
- Function: Schottky barrier rectifier diode (1 A, 40 V) used for efficient rectification and reverse-polarity protection in power supplies.
Application
SBR1A40S3-7 is a 1 A, 40 V Super Barrier Rectifier. Typical applications include:
- High-efficiency rectification in switch‑mode power supplies, adapters, and chargers
- Freewheeling/output rectification in DC‑DC converters and point‑of‑load regulators
- Power-path ORing and reverse-blocking in low-voltage rails (up to 40 V)
- PV solar charge controllers and small inverters
- Automotive/consumer electronics with 12–40 V rails (LED drivers, battery management)
Note: used where fast switching and low forward drop are beneficial.
- High-efficiency rectification in switch‑mode power supplies, adapters, and chargers
- Freewheeling/output rectification in DC‑DC converters and point‑of‑load regulators
- Power-path ORing and reverse-blocking in low-voltage rails (up to 40 V)
- PV solar charge controllers and small inverters
- Automotive/consumer electronics with 12–40 V rails (LED drivers, battery management)
Note: used where fast switching and low forward drop are beneficial.
Package
S3 package (S3 SMT package).
