Overview
The BAS321 is a general-purpose diode fabricated in planar technology and encapsulated in a small SOD323 (SC-76) plastic package. This diode is designed for surface-mounted circuits and is suitable for various general-purpose switching applications. Although the BAS321/8X variant is obsolete and no longer manufactured, the BAS321 series remains widely available and is a popular choice for its robust specifications and compact design.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Forward Current (IF) | - | - | 250 | mA | |
| Reverse Voltage (VR) | - | - | 200 | V | |
| Repetitive Peak Reverse Voltage (VRRM) | - | - | 250 | V | |
| Repetitive Peak Forward Current (IFRM) | tp ≤ 0.5 ms; δ ≤ 0.25 | - | 625 | mA | |
| Total Power Dissipation (Ptot) | Tamb = 25 °C | - | - | 300 | mW |
| Forward Voltage (VF) | IF = 200 mA; Tj = 25 °C | - | - | 1.25 | V |
| Reverse Recovery Time (trr) | IF = 30 mA; IR = 30 mA; RL = 100 Ω; Tj = 25 °C | - | - | 50 | ns |
| Junction Temperature (Tj) | - | - | 150 | °C | |
| Storage Temperature (Tstg) | - | -65 | 150 | °C |
Key Features
- Small SOD323 (SC-76) plastic package, ideal for surface-mounted circuits.
- Switching speed: maximum 50 ns.
- Continuous reverse voltage: up to 200 V.
- Repetitive peak reverse voltage: up to 250 V.
- Repetitive peak forward current: up to 625 mA.
- Low forward voltage drop: up to 1.25 V at 200 mA.
- Compact design with a body size of 1.7 mm x 1.25 mm x 0.95 mm.
Applications
The BAS321 diode is suitable for general-purpose switching in surface-mounted circuits. It is commonly used in various applications such as:
- Automotive electronics for safety and efficiency improvements.
- Industrial electronics for energy-efficient and reliable solutions.
- Consumer electronics requiring compact and robust diodes.
- Power supply circuits where high switching speeds and low forward voltage drops are necessary.
Q & A
- What is the maximum forward current of the BAS321 diode?
The maximum forward current (IF) of the BAS321 diode is 250 mA. - What is the maximum reverse voltage of the BAS321 diode?
The maximum reverse voltage (VR) of the BAS321 diode is 200 V. - What is the repetitive peak reverse voltage of the BAS321 diode?
The repetitive peak reverse voltage (VRRM) of the BAS321 diode is 250 V. - What is the switching speed of the BAS321 diode?
The switching speed of the BAS321 diode has a maximum reverse recovery time (trr) of 50 ns. - What is the package type of the BAS321 diode?
The BAS321 diode is encapsulated in a SOD323 (SC-76) plastic package. - What are the typical applications of the BAS321 diode?
The BAS321 diode is used in general-purpose switching in surface-mounted circuits, including automotive, industrial, and consumer electronics. - What is the maximum junction temperature of the BAS321 diode?
The maximum junction temperature (Tj) of the BAS321 diode is 150 °C. - What is the storage temperature range of the BAS321 diode?
The storage temperature range (Tstg) of the BAS321 diode is from -65 °C to 150 °C. - Is the BAS321/8X variant still available?
No, the BAS321/8X variant is obsolete and no longer manufactured. However, other variants of the BAS321 are still available. - What is the forward voltage drop of the BAS321 diode at 200 mA?
The forward voltage drop (VF) of the BAS321 diode at 200 mA is up to 1.25 V.
