1. General Description

️· Product: Schottky Barrier Rectifiers
️· Manufacturer: AiT Semiconductor
️· Series: SM520C through SM5200C (a range of models)
️· Function: These are semiconductor devices designed to allow current flow in one direction only, with a low forward voltage drop characteristic of Schottky diodes.
️· Applications: Suitable for general rectification, switching power supplies, DC-DC converters, and other applications where low voltage drop and fast switching are required.
️· Revision: Document revision is REV3.1, released in August 2018.

2. Key Features & Benefits

️· Low Forward Voltage Drop: Schottky diodes are known for their lower forward voltage drop compared to standard silicon diodes, resulting in reduced power losses.
️· Fast Switching Speed: Schottky diodes exhibit fast switching characteristics, making them suitable for high-frequency applications.
️· RoHS Compliant: The products are compliant with the Restriction of Hazardous Substances (RoHS) directive.
️· Variety of Voltage/Current Ratings: The range (SM520C to SM5200C) provides options for different voltage and current requirements.

3. Absolute Maximum Ratings & Electrical Characteristics

This is a critical section. Key parameters include (but are not limited to - see the table below for more detail):

️· Reverse Voltage (VRRM): Ranges from 20V to 200V, depending on the specific model (SM520C to SM5200C).
️· Forward Current (IF(AV)): All models listed have a 5.0A forward current rating.
️· Peak Forward Surge Current (IFSM): Ranges from 150A to 175A depending on the model.
️· Forward Voltage (VF): Ranges from 0.45V to 0.85V, depending on the model.
️· Reverse Current (IR): Low, but the exact value is model-dependent.
️· Junction Temperature (TJ): -55°C to +150°C.
️· Storage Temperature (TSTG): -55°C to +150°C.

4. Package Information

️· Type: Plastic Surface Mounted Package (2 leads)
️· Dimensions: Specific dimensions are provided in a table within the datasheet.
️· Mounting: Designed for surface mount technology.

5. Important Notes

️· Disclaimer: AiT Semiconductor reserves the right to change product specifications without notice.
️· Life Support Applications: The datasheet explicitly states that these devices are *not* intended for use in life support applications without prior written agreement with AiT Semiconductor.
️· Liability: AiT Semiconductor assumes no liability for customer product design or application support.

Table of Key Parameters (Summary)

Parameter	SM520C	SM540C	SM560C	SM580C	SM5100C	SM5120C	SM5150C	SM5200C	Unit
VRRM (Reverse Voltage)	20	40	60	80	100	120	150	200	V
IF(AV) (Avg. Forward Current)	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0	A
IFSM (Peak Surge Current)	175	175	175	175	150	150	150	150	A
VF (Forward Voltage)	0.45	0.55	0.70	0.70	0.85	0.85	0.85	0.85	V
CJ (Junction Capacitance)	600	600	400	400	400	400	400	400	pF
RθJA (Thermal Resistance)	35	35	35	35	35	35	35	35	°C/W