MV104

Product Overview

The onsemi MV104 is a silicon planar diode designed primarily for general-purpose rectification and switching applications. It belongs to the family of small-signal diodes and is widely used in low to medium current electronic circuits requiring reliable, fast, and efficient diode performance. The device offers robust electrical characteristics, making it suitable for use in power supplies, signal processing, and protection circuits.

Functional Description

The MV104 diode operates by allowing current flow in the forward direction with low forward voltage drop, while blocking current in the reverse direction up to its rated maximum reverse voltage. Its silicon planar structure ensures consistent forward and reverse characteristics with good thermal stability and long operational life. The MV104 is typically employed in switching, clamping, rectifying, and protection roles within electronic devices.

Key Features

* Fast switching capability with typical recovery times suitable for switching applications
* Low forward voltage drop for efficient conduction
* High surge current tolerance for transient events
* Robust construction for improved reliability and longevity
* Suitable for low to medium current rectification and switching
* Available in standard DO-41 axial lead glass package for through-hole mounting
* Wide operating temperature range
* Compliant with industry standards for electronic components

Electrical Specifications

* Maximum repetitive peak reverse voltage (V_RRM): 100 V
* Maximum average forward rectified current (I_F(AV)): 1 A
* Non-repetitive peak forward surge current (I_FSM): 30 A (8.3 ms single half sine-wave)
* Forward voltage drop (V_F): Approximately 1.1 V at 1 A forward current
* Reverse leakage current (I_R): Typically in the microampere range at rated reverse voltage
* Reverse recovery time (t_rr): Approximately 150 ns typical
* Junction capacitance (C_j): Typically 10 pF at 4 V reverse bias
* Operating junction temperature range (T_J): –65 °C to +150 °C
* Storage temperature range (T_STG): –65 °C to +150 °C

Package and Mechanical Characteristics

* Package type: DO-41 axial glass encapsulated diode
* Dimensions:

* Body length: ~5 mm to 7 mm
* Lead diameter: ~0.8 mm
* Lead length: Approximately 25 mm
* Mounting style: Through-hole with axial leads
* Marking: Typically marked with device code or manufacturer code on the diode body

Operating Principle

The MV104 conducts current primarily in the forward direction when the applied voltage exceeds the forward threshold, allowing current to flow with minimal voltage drop. In the reverse direction, it blocks current flow up to the maximum rated reverse voltage. Its fast recovery time allows rapid switching from conducting to blocking states, making it suitable for applications involving high-speed switching signals.

Typical Applications

* Rectification in low- and medium-power power supplies
* Switching elements in signal processing circuits
* Protection devices against voltage spikes and transients
* Clamping circuits in analog and digital electronics
* Polarity protection for sensitive components
* General-purpose diode requirements in consumer electronics, automotive, and industrial equipment

Performance Characteristics

The MV104 diode offers a good balance between speed and current handling, with fast switching characteristics to reduce switching losses and improve efficiency in switching circuits. Its low forward voltage drop contributes to reduced power dissipation, which is critical for maintaining thermal stability. The diode’s surge current rating supports transient tolerance for voltage spikes common in automotive and industrial environments.

Design Considerations

* Proper heat dissipation measures such as adequate PCB copper area or heat sinks may be required at or near maximum rated currents.
* Fast switching capability is suitable for circuits operating at moderate frequencies, but for extremely high-frequency applications, specialized fast or ultrafast diodes might be preferred.
* The diode must be operated within specified voltage and current limits to ensure long-term reliability.
* Reverse leakage current and junction capacitance should be considered in high-impedance or high-frequency circuits to avoid signal degradation.
* Use of axial-lead packages facilitates through-hole mounting and easy replacement or prototyping.

Reliability and Robustness

The MV104 diode is built with silicon planar technology enclosed in a robust glass package, providing strong mechanical protection and good resistance to environmental stressors such as moisture and thermal cycling. Its specified operating temperature range and surge current capability ensure dependable operation in a variety of harsh conditions and industrial environments.

Summary

The onsemi MV104 is a versatile, reliable silicon diode suited for general-purpose rectification and switching applications. With a maximum repetitive peak reverse voltage of 100 V and a forward current rating of 1 A, it fits well in circuits requiring fast switching, moderate current handling, and robust protection. Its glass-encapsulated DO-41 package supports through-hole mounting and provides mechanical durability. The device is widely adopted across industrial, automotive, and consumer electronic sectors for efficient, stable diode performance.