Model:S1B
Model:S1B
Manufacturer：Taiwan Semiconductor
Stocks：2000
Describe：
S1B is a surface mount general-purpose rectifier diode, packaged in SMA (DO-214AC) format. This device is a standard PN junction rectifier diode and is suitable for rectification, polarity protection and reverse breakdown applications in various power supply circuits.
Main parameters: Reverse repetitive peak voltage 100V, average rectified current 1A, forward drop 1.1V @ 1A, non-repetitive peak surge current 30A-40A (varies by brand). Reverse leakage current as low as 1µA-5µA @ 100V, junction capacitance 10pF-15pF. Utilizing glass passivation chip technology, it offers high reliability and good temperature stability.
This device complies with RoHS standards and is lead-free and environmentally friendly. It adopts DO-214AC (SMA) surface mount packaging, which is compact (approximately 4.5mm × 2.6mm × 2.1mm), and is suitable for automated SMT production. The operating temperature range is -55°C to +150°C (junction temperature), meeting the requirements of industrial and consumer electronics applications. Some brand models are certified to AEC-Q101 automotive grade, suitable for automotive electronic systems.
Features ：
• Diode type: Standard rectifier diode, PN junction
• Reverse repetitive peak voltage (VRRM): 100V
• Average rectified current (Io): 1A
• Positive voltage drop (VF): 1.1V @ 1A
• Non-repetitive peak surge current (IFSM): 30A - 40A (depending on the brand; VISHAY is 40A, while others are mostly 30A)
• Reverse leakage current (IR): 1µA - 5µA @ 100V (25°C)
• Capacitor for connection (CJ): Typical value 10pF - 15pF at 4V, 1MHz
• Reverse recovery time (trr): 1.5µs - 1.8µs (standard recovery)
• Glass passivation: The chip adopts the glass passivation process to enhance reliability.
• Operating temperature range: Junction temperature -55°C to +150°C
• Compact packaging: SMA (DO-214AC), size approximately 4.50mm × 2.60mm × 2.10mm
• MSL level: Level-1 (unrestricted, unlimited workshop lifespan)
• Environmental compliance: Meets RoHS3 standards, lead-free (Pb-Free)
Application：
• Power supply rectification: The input rectification stage of switching power supplies and power adapters
• Polarity protection: Circuit anti-reversal protection, Battery charging protection
• DC-DC converter: The freewheeling or rectification circuit of the buck/boost circuit
• Inverter circuit: The rectification part of the low-voltage inverter
• Consumer electronics: Mobile phone chargers, LED lighting drivers, household power boards
• Industrial control: PLC power module, industrial equipment power supply
• Automotive Electronics: Vehicle Power Supply System (AEC-Q101 certified models are required)
