SK32B/TR13

Packaging:	Tape & Reel (TR)
Part Status:	Active
Diode Type:	Schottky
Voltage - DC Reverse (Vr) (Max):	20V
Current - Average Rectified (Io):	3A
Voltage - Forward (Vf) (Max) @ If:	500mV @ 3A
Speed:	Fast Recovery = 200mA (Io)
Current - Reverse Leakage @ Vr:	500µA @ 20V
Capacitance @ Vr, F:	--
Mounting Type:	Surface Mount
Package / Case:	DO-214AA, SMB
Supplier Device Package:	SMB (DO-214AA)
Operating Temperature - Junction:	-55°C ~ 125°C
Base Part Number:	SK32
Series:	--

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SK32B/TR13 Application Field and Working Principle

The SK32B/TR13 is a single-diode rectifier in a TO-220AB package with through-hole mounting for ease of device integration. The device features a breakdown voltage rating of 4,000V, a low-frequency maximum forward voltage drop of 0.39V, and a very low mean leak current of 0.15mA. The SK32B/TR13 offers a wide variety of applications and uses:

Power Rectification

The SK32B/TR13 can be used in many applications as a single-diode rectifier, such as charging batteries and stabilizing voltage. The low-frequency forward voltage drop and the low mean leak current make it ideal for AC-DC power supplies and DC-DC converters.

Lighting Rectification

The SK32B/TR13 can also be used in lighting systems, such as LED and incandescent lighting, for rectification. The large breakdown voltage rating makes the SK32B/TR13 particularly suited for lighting applications as it can handle large spikes in power. Moreover, the low mean leak current ensures that the efficiency of the lighting system is not significantly reduced by the rectifier.

Waveform Rectification

The SK32B/TR13 can also be used in waveform rectification applications. The large breakdown voltage rating and low-frequency forward voltage drop make it particularly suited for rectifying signals from transducers and other analog-to-digital sensors. In addition, the low mean leak current ensures that the efficiency of the circuit is not significantly reduced by the rectifier.

Working Principle

The SK32B/TR13 operates on the principle of PN junction diode. When a PN junction diode is connected in a forward bias, its P-type material is connected to the positive terminal while the N-type material is connected to the negative terminal, forming the diode. When the forward voltage is applied to the diode, the electrons in the N-type material move to the P-type material, forming a conductive path and allowing current to flow through the device.In reverse bias, the electrons in the N-type material are repelled and there is no path for current to flow, effectively blocking the current. The SK32B/TR13 is designed with a breakdown voltage of 4,000V to ensure that the device can handle large voltage spikes without being damaged.

Conclusion

The SK32B/TR13 is a single-diode rectifier in a TO-220AB package with through-hole mounting for ease of device integration. The device features a breakdown voltage rating of 4,000V, a low-frequency maximum forward voltage drop of 0.39V, and a very low mean leak current of 0.15mA. The SK32B/TR13 provides an effective means of rectifying both high- and low-frequency signals and is well-suited for a variety of applications such as power rectification, lighting rectification, and waveform rectification. The working principle is based on the PN junction diode and utilizes the breakdown voltage of the device to block large voltage spikes.

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