onsemi EGP30K

Overview

EGP30K from onsemi is a glass-passivated axial-leaded superfast rectifier diode rated for 3.0 A average forward current and 800 V peak repetitive reverse voltage, with 50 ns maximum reverse recovery time and 1.7 V max forward voltage at 3.0 A, used in high-efficiency AC/DC power supplies and switch-mode power converters.

For engineers reviewing the EGP30K datasheet, pinout, applications, or equivalent options, key selection criteria include its 800 V blocking rating, 50 ns trr performance, low leakage (<5 µA at 25°C), thermal resistance (R_JL = 8.5 °C/W), and DO-201AD package compatibility with high-surge industrial power stages.

Technical Context

The EGP30K operates as a unidirectional superfast recovery rectifier optimized for high-frequency switching applications up to several hundred kHz. Its glass-passivated junction eliminates cavity-related reliability risks while enabling stable operation across −65 °C to +150 °C junction temperature range.

It delivers 125 A non-repetitive surge current capability under JEDEC half-sine conditions and maintains low reverse leakage (≤5 µA at 25°C, ≤100 µA at 125°C) even at full 800 V DC reverse bias, supporting robust hold-off in offline front-end designs.

Key Specifications

Pinout & Package

EGP30K uses the DO-201AD (Case 017AF) axial-leaded glass package with cathode indicated by a color band. Leads are tinned copper-clad steel; body is hermetically sealed glass with no internal cavity.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar superfast rectifier applications.

Compared with STTH3R08 and VS-3EYH08-M3, the EGP30K offers the fastest recovery (50 ns) in the DO-201AD axial package, making it optimal for compact, high-frequency designs where layout space and switching loss are critical constraints.

Availability

EGP30K is available at Aetrix Electronics and suitable for AC/DC front-end rectification, switch-mode power supply output stages, and industrial motor drive input stages requiring stable component supply and long-term obsolescence mitigation.

Supply support for EGP30K includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

onsemi (formerly ON Semiconductor) is a global semiconductor supplier delivering energy-efficient, high-performance silicon solutions for automotive, industrial, cloud, medical, and IoT applications.

The EGP30K belongs to onsemi's high-efficiency rectifier product line, engineered specifically for high-frequency, high-reliability power conversion where fast recovery, low leakage, and rugged surge performance are essential.

FAQ

What is the maximum junction temperature rating for the EGP30K?

The EGP30K has a specified junction and storage temperature range of −65 °C to +150 °C. This wide operating envelope allows deployment in harsh environments such as industrial motor drives and outdoor UPS systems. The device's glass-passivated construction contributes to stability at elevated temperatures, and its R_JL of 8.5 °C/W enables effective heat dissipation through axial leads when mounted on thermally conductive PCBs. Always verify actual T_J using measured case temperature and power dissipation in the final design.

Does the EGP30K have a RoHS-compliant and halide-free construction?

Yes, the EGP30K is explicitly stated in the onsemi datasheet as Pb-free, halide-free, and RoHS compliant. This compliance is confirmed in the "Features" section and reinforced in the ordering information table. The device meets Directive 2011/65/EU requirements and is suitable for use in consumer, industrial, and medical equipment where environmental regulations apply. No exemptions are cited, and the marking diagram confirms full material compliance per onsemi's standard process.

What is the reverse recovery time test condition for the EGP30K?

The EGP30K's maximum reverse recovery time of 50 ns is measured under the standardized condition: I_F = 0.5 A, I_R = 1.0 A, and I_rr = 0.25 A, per JEDEC JESD24-11. This test setup reflects realistic commutation behavior in high-frequency rectifier applications. The datasheet specifies this value applies across the full EGP30x family, including EGP30K, and is validated using the test circuit shown in Figure 6 with 50 Ω non-inductive source impedance and oscilloscope bandwidth ≥100 MHz.

Can the EGP30K replace the EGP30J in an existing design?

Yes, the EGP30K can directly replace the EGP30J because both share identical DO-201AD packaging, pinout, and thermal characteristics, differing only in peak reverse voltage rating (EGP30J = 600 V, EGP30K = 800 V). The higher voltage rating of EGP30K provides additional margin in 400 V AC systems or noisy line environments. No PCB or layout changes are required, and all electrical parameters-including forward voltage, recovery time, and surge rating-are matched or improved in EGP30K.

What is the typical junction capacitance of the EGP30K and how does it affect high-frequency performance?

The EGP30K exhibits a typical junction capacitance of 75 pF at V_R = 4.0 V and f = 1.0 MHz, as specified in the Electrical Characteristics table. This relatively low C_j minimizes displacement current during voltage transitions, reducing EMI generation and gate-drive loading in synchronous rectifier circuits. In high-frequency SMPS designs (>200 kHz), this capacitance contributes less than 0.5% of total switching loss-making EGP30K suitable for noise-sensitive applications like medical power supplies and audio amplifiers.