Overview
The BAT54CW-7-G is a surface mount Schottky barrier diode produced by Diodes Incorporated. This component is part of the BAT54 series, known for its low forward voltage drop and fast switching capabilities. It is packaged in the SOT323 (SC-70) case, making it suitable for applications where space is limited. The BAT54CW-7-G is fully RoHS compliant, halogen and antimony free, and lead-free, aligning with environmental regulations.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit | Test Condition |
|---|---|---|---|---|---|---|
| Reverse Breakdown Voltage | V(BR)R | - | - | 30 | V | IR = 100µA |
| Forward Voltage | VF | - | - | 320 | mV | IF = 1mA |
| Reverse Leakage Current | IR | - | - | 2.0 | µA | VR = 25V |
| Total Capacitance | CT | - | - | 10 | pF | VR = 1.0V, f = 1.0MHz |
| Reverse Recovery Time | tRR | - | - | 5.0 | ns | IF = 10mA through IR = 10mA to IR = 1.0mA, RL = 100Ω |
| Power Dissipation | PD | - | - | 200 | mW | - |
| Thermal Resistance Junction to Ambient Air | RθJA | - | - | 625 | °C/W | - |
| Operating and Storage Temperature Range | TJ, TSTG | -65 | - | 125 | °C | - |
Key Features
- Low Forward Voltage Drop: The BAT54CW-7-G has a low forward voltage drop, typically 320 mV at 1 mA, which reduces power losses in applications.
- Fast Switching: This diode features fast switching times, making it suitable for high-frequency applications.
- Ultra-Small Surface Mount Package: The SOT323 package is compact, ideal for space-constrained designs.
- PN Junction Guard Ring for Transient and ESD Protection: Provides protection against transient and electrostatic discharge (ESD) events.
- Totally Lead-Free & Fully RoHS Compliant: Compliant with EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2), and 2015/863/EU (RoHS 3).
- Halogen and Antimony Free: Defined as containing less than 900 ppm bromine, less than 900 ppm chlorine, and less than 1000 ppm antimony compounds.
Applications
- Switch Mode Power Supplies (SMPS): Used in power conversion circuits due to its low forward voltage drop and fast switching characteristics.
- DC-DC Converters: Suitable for use in DC-DC conversion applications where efficiency and speed are critical.
- Freewheeling Diodes: Often used as freewheeling diodes to protect against back EMF in inductive circuits.
- Reverse Polarity Protections: Can be used to protect circuits from reverse polarity conditions.
- Blocking Diodes: Used in various blocking diode applications where low forward voltage drop is necessary.
Q & A
- What is the typical forward voltage drop of the BAT54CW-7-G at 1 mA?
The typical forward voltage drop is 320 mV at 1 mA.
- What is the maximum reverse breakdown voltage of the BAT54CW-7-G?
The maximum reverse breakdown voltage is 30 V.
- What is the thermal resistance junction to ambient air for the BAT54CW-7-G?
The thermal resistance junction to ambient air is 625 °C/W.
- Is the BAT54CW-7-G RoHS compliant?
Yes, it is fully RoHS compliant.
- What is the operating temperature range for the BAT54CW-7-G?
The operating temperature range is -65°C to +125°C.
- What package type is used for the BAT54CW-7-G?
The BAT54CW-7-G is packaged in the SOT323 (SC-70) case.
- What are some common applications for the BAT54CW-7-G?
Common applications include SMPS, DC-DC converters, freewheeling diodes, reverse polarity protections, and blocking diodes.
- Does the BAT54CW-7-G have any built-in protection features?
Yes, it includes a PN junction guard ring for transient and ESD protection.
- What is the maximum power dissipation for the BAT54CW-7-G?
The maximum power dissipation is 200 mW.
- Is the BAT54CW-7-G halogen and antimony free?
Yes, it is halogen and antimony free, defined as containing less than 900 ppm bromine, less than 900 ppm chlorine, and less than 1000 ppm antimony compounds.
