Current - Peak Pulse (10/1000µs):	1.78A
Base Part Number:	UPTB48
Supplier Device Package:	Powermite 1 (DO216-AA)
Package / Case:	DO-216AA
Mounting Type:	Surface Mount
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	1000W (1kW)
Series:	--
Voltage - Clamping (Max) @ Ipp:	84.3V
Voltage - Breakdown (Min):	54V
Voltage - Reverse Standoff (Typ):	48V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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UPTB48E3/TR13 application field and working principle

Introduction

The UPTB48E3/TR13 is a type of TVS (Transient Voltage Suppressor) Diode, which is responsible for protecting the circuit components from being damaged or destroyed by transient voltage spikes. The working principle of a TVS diode is to clamp any voltage spikes above or below a specific threshold voltage, and to absorb any over-voltage power surges in the system, thus protecting the other components from potential damage.

Application Field

The UPTB48E3/TR13 diode is mainly used in the following scenarios:

• It can protect the circuit from being impacted by ESD, EFT, and surge voltage.
• It can act as an overvoltage protection device when connected in series with a load, protecting it from being damaged by sudden voltage spikes.
• It can be used in different automotive systems, such as engine control systems, anti-lock braking systems, powertrain control systems, etc.
• It can act as an overvoltage protection device in consumer electronics, home appliances, personal computers, and other electronic systems.
• It can be used in industrial applications to protect sensitive electronic components and circuits.

Working Principle

The UPTB48E3/TR13 is a unidirectional diode, meaning it can absorb overvoltage power surges in only one direction. It is designed to protect the connected circuit components from being damaged by transient voltage spikes of up to 48V. It has a standoff voltage of 13V and a follow-on response time of < 1ns.When a voltage surge occurs, the diode will act as a conductance element and absorb the surge power, thus protecting the other circuit components from potential damage. The UPTB48E3/TR13 diode has an ultra-low holding current of < 0.20mA, ensuring long-term protection against overvoltage spikes.

Conclusion

The UPTB48E3/TR13 is a type of unidirectional TVS (Transient Voltage Suppressor) Diode, which is designed to protect the connected circuits from being damaged or destroyed by transient voltage spikes of up to 48V. It is mainly used in automotive systems, consumer electronics, industrial applications, and other electronic systems. Its working principle is to absorb any overvoltage power surges in the system, thus protecting the other components from potential damage.

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