Overview
The BAS21_ND87Z is a general-purpose high voltage diode produced by onsemi. Although this specific part is currently obsolete and no longer manufactured, it remains relevant for understanding the capabilities and specifications of similar diodes. The BAS21 series is known for its high voltage handling and versatility in various applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Working Inverse Voltage (VIV) | 250 | V |
| Average Rectified Current (IO) | 200 | mA |
| DC Forward Current (IF) | 600 | mA |
| Peak Forward Surge Current (1 second pulse width) | 1.0 | A |
| Peak Forward Surge Current (1 microsecond pulse width) | 2.0 | A |
| Storage Temperature Range (TSTG) | -55 to +150 | °C |
| Operating Junction Temperature (TJ) | 150 | °C |
| Total Device Dissipation (PD) | 350 | mW |
| Thermal Resistance, Junction-to-Ambient (RθJA) | 357 | °C/W |
| Breakdown Voltage (BV) | 250 | V |
| Reverse Voltage Leakage Current (IR) at VR = 200 V | 100 nA (at 25°C), 100 μA (at 150°C) | |
| Forward Voltage (VF) at IF = 100 mA | 1.0 | V |
| Forward Voltage (VF) at IF = 200 mA | 1.25 | V |
| Diode Capacitance (CO) at VR = 0, f = 1.0 MHz | 5.0 | pF |
| Reverse Recovery Time (TRR) | 50 nS |
Key Features
- High voltage handling up to 250 V.
- High forward current capability up to 600 mA.
- Low forward voltage drop (e.g., 1.0 V at 100 mA and 1.25 V at 200 mA).
- Low reverse leakage current (e.g., 100 nA at 200 V and 25°C).
- Compact SOT-23 package.
- Wide operating temperature range from -55°C to 150°C.
- Fast reverse recovery time of 50 nS.
Applications
The BAS21_ND87Z and similar diodes are suitable for a variety of applications, including:
- General-purpose rectification in power supplies and DC-DC converters.
- Voltage regulation circuits.
- High-density PC boards in devices such as cell phones and handheld portables.
- Automotive industry applications due to their high reliability and performance characteristics.
Q & A
- What is the maximum working inverse voltage of the BAS21_ND87Z?
The maximum working inverse voltage is 250 V. - What is the average rectified current rating of the BAS21_ND87Z?
The average rectified current rating is 200 mA. - What is the maximum DC forward current of the BAS21_ND87Z?
The maximum DC forward current is 600 mA. - What is the peak forward surge current rating for a 1-second pulse width?
The peak forward surge current rating for a 1-second pulse width is 1.0 A. - What is the storage temperature range for the BAS21_ND87Z?
The storage temperature range is from -55°C to +150°C. - What is the thermal resistance, junction-to-ambient, of the BAS21_ND87Z?
The thermal resistance, junction-to-ambient, is 357 °C/W. - What is the breakdown voltage of the BAS21_ND87Z?
The breakdown voltage is 250 V. - What is the forward voltage drop at 100 mA and 200 mA?
The forward voltage drop is 1.0 V at 100 mA and 1.25 V at 200 mA. - What is the reverse recovery time of the BAS21_ND87Z?
The reverse recovery time is 50 nS. - Is the BAS21_ND87Z still in production?
No, the BAS21_ND87Z is obsolete and no longer manufactured.
