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Home > Products > Discrete Semiconductor Products > Diodes > Rectifiers > Single Diodes

Vishay General Semiconductor - Diodes Division RS2G-E3/52T

Name: RS2G-E3/52T
Brand: Vishay General Semiconductor - Diodes Division
SKU: RS2G-E3/52T
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: RS2G-E3/52T

Manufacturer:: Vishay General Semiconductor - Diodes Division

Category:: Single Diodes

Package:: DO-214AA, SMB

Datasheet:: RS2G-E3/52T.pdf

Description:: DIODE GEN PURP 400V 1.5A DO214AA

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Product details

Overview

RS2G-E3/52T from Vishay General Semiconductor is a surface-mount fast switching rectifier diode in SMB (DO-214AA) package, rated for 400 V repetitive peak reverse voltage (V_RRM), 1.5 A average forward current (I_F(AV)), and 150 ns reverse recovery time (t_rr), used as freewheeling or output rectifier in DC/DC converters and AC/DC power supplies.

For engineers reviewing the RS2G-E3/52T datasheet, RS2G-E3/52T pinout, RS2G-E3/52T application, or RS2G-E3/52T equivalent, key selection factors include its 400 V V_RRM, 1.3 V forward voltage at 1.5 A, 50 A surge rating, AEC-Q101 qualification eligibility via HE3 suffix, and SMB package compatibility with automated SMT placement.

Technical Context

This device is a single silicon PN junction diode with glass-passivated chip construction, optimized for fast recovery (150 ns) to minimize switching losses in high-frequency power conversion topologies. Its thermal resistance R_θJA is 55 °C/W (PCB-mounted on 7 mm × 7 mm copper pad), supporting operation up to 150 °C junction temperature.

The RS2G-E3/52T exhibits low leakage (5.0 μA at 25 °C, 200 μA at 125 °C) and stable junction capacitance (20 pF at 4.0 V, 1 MHz), enabling reliable performance in noise-sensitive rectification and freewheeling roles across consumer, industrial, and automotive-grade power designs.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	400 V - supports input rectification in 28 V–36 V nominal DC bus systems with 2× safety margin against transients
I_F(AV)	1.5 A - delivers continuous output current in compact 5–15 W SMPS designs without forced air cooling
t_rr	150 ns - enables efficient operation at switching frequencies up to 300 kHz with minimal reverse recovery loss
V_F	1.3 V @ 1.5 A - contributes ≤1.95 W conduction loss per diode in 1.5 A load paths
I_FSM	50 A - withstands inrush and fault currents in unregulated input stages and motor drive freewheeling paths
T_J max.	150 °C - allows full-rated operation in sealed enclosures or under elevated ambient conditions
C_J	20 pF @ 4 V - limits capacitive coupling noise in high-dv/dt gate-drive or snubber circuits

Pinout & Package

Package: SMB (DO-214AA), surface-mount, low-profile plastic case with matte tin-plated leads; cathode indicated by color band; meets UL 94 V-0 and J-STD-020 MSL Level 1 (260 °C peak reflow).

Pin/Terminal	Circuit Role	Design Meaning
Anode	Forward current entry point	Connected to lower-potential side of circuit (e.g., switch node in buck converter, transformer secondary center-tap)
Cathode	Forward current exit point / reverse blocking terminal	Connected to output rail or positive bus; color band identifies this terminal for correct PCB orientation

Key Features

Feature	Design Value
Fast switching (150 ns t_rr)	Reduces switching loss and EMI generation in 100–300 kHz DC/DC converters
Glass-passivated junction	Ensures long-term reliability and moisture resistance in humid or thermally cycled environments
AEC-Q101 qualification path	Enables use in automotive infotainment and body electronics when ordered as RS2GHE3_X variant
MSL Level 1 rating	Allows standard SMT reflow without pre-baking, reducing manufacturing overhead
SMB footprint compatibility	Shares land pattern with industry-standard DO-214AA devices, simplifying BOM consolidation

Applications

Switch-Mode Power Supply Output Rectifier	Automotive DC/DC Converter Freewheeling Diode
Use Scenario: Used in secondary-side synchronous or non-synchronous rectification of isolated flyback or forward converters delivering 5–12 V at ≤1.5 A. IC Role / Device Role / Timing Role: Fast-recovery rectifier handling high-frequency AC-to-DC conversion with minimal reverse recovery loss. Use Value: 150 ns t_rr and 1.3 V V_F jointly reduce total power loss by ~18% vs. standard recovery diodes in 200 kHz designs.	Use Scenario: Freewheeling path for 12 V automotive DC/DC modules powering ADAS sensors or lighting control units. IC Role / Device Role / Timing Role: Clamp inductive kickback during MOSFET turn-off in buck or boost regulators operating at 250 kHz. Use Value: 400 V V_RRM provides 3.3× margin over 12 V system transients (ISO 7637-2 Pulse 5a), ensuring robustness without derating.
Telecom AC/DC Adapter Input Bridge Leg	Industrial Motor Drive Snubber Diode
Use Scenario: One leg of a full-wave bridge rectifier in universal-input (90–264 VAC) telecom adapters rated ≤30 W. IC Role / Device Role / Timing Role: High-speed input rectifier minimizing conduction and switching loss during line-frequency and high-frequency ripple handling. Use Value: 50 A I_FSM sustains repeated inrush surges during cold-start, while 1.3 V V_F maintains >87% efficiency at full load.	Use Scenario: Snubber network diode in 24 V BLDC motor drives where rapid voltage reversal occurs across phase windings. IC Role / Device Role / Timing Role: Fast-recovery clamp preventing voltage overshoot during PWM edge transitions. Use Value: 20 pF C_J and 150 ns t_rr suppress ringing amplitude by ≥40% compared to slower 1N4007-class diodes.

Switch-Mode Power Supply Output Rectifier

Automotive DC/DC Converter Freewheeling Diode

Use Scenario: Used in secondary-side synchronous or non-synchronous rectification of isolated flyback or forward converters delivering 5–12 V at ≤1.5 A.

IC Role / Device Role / Timing Role: Fast-recovery rectifier handling high-frequency AC-to-DC conversion with minimal reverse recovery loss.

Use Value: 150 ns t_rr and 1.3 V V_F jointly reduce total power loss by ~18% vs. standard recovery diodes in 200 kHz designs.

Use Scenario: Freewheeling path for 12 V automotive DC/DC modules powering ADAS sensors or lighting control units.

IC Role / Device Role / Timing Role: Clamp inductive kickback during MOSFET turn-off in buck or boost regulators operating at 250 kHz.

Use Value: 400 V V_RRM provides 3.3× margin over 12 V system transients (ISO 7637-2 Pulse 5a), ensuring robustness without derating.

Telecom AC/DC Adapter Input Bridge Leg

Industrial Motor Drive Snubber Diode

Use Scenario: One leg of a full-wave bridge rectifier in universal-input (90–264 VAC) telecom adapters rated ≤30 W.

IC Role / Device Role / Timing Role: High-speed input rectifier minimizing conduction and switching loss during line-frequency and high-frequency ripple handling.

Use Value: 50 A I_FSM sustains repeated inrush surges during cold-start, while 1.3 V V_F maintains >87% efficiency at full load.

Use Scenario: Snubber network diode in 24 V BLDC motor drives where rapid voltage reversal occurs across phase windings.

IC Role / Device Role / Timing Role: Fast-recovery clamp preventing voltage overshoot during PWM edge transitions.

Use Value: 20 pF C_J and 150 ns t_rr suppress ringing amplitude by ≥40% compared to slower 1N4007-class diodes.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
STTH1L06S	600 V V_RRM, 1.0 A I_F(AV), 75 ns t_rr, same SMB package	Better suited for higher-voltage, lower-current 200–500 kHz flybacks	Select when faster recovery and higher V_RRM outweigh 0.5 A lower current rating
ON Semi MUR120RLG	200 V V_RRM, 1.0 A I_F(AV), 35 ns t_rr, DO-41 through-hole	Requires PCB redesign; optimized for ultra-fast <100 ns applications with lower voltage stress	Choose only if board revision permits through-hole and system V_R ≤200 V

Compared with STTH1L06S and MUR120RLG, the RS2G-E3/52T offers balanced 400 V/1.5 A/150 ns performance in an MSL Level 1–compatible SMB package-ideal for cost- and space-constrained 10–25 W industrial and automotive DC/DC designs where moderate speed and robust surge capability are prioritized.

Availability

RS2G-E3/52T is available at Aetrix Electronics and suitable for switch-mode power supply output rectification, automotive DC/DC converter freewheeling, and telecom AC/DC adapter input rectification requiring stable component supply and RoHS-compliant commercial-grade sourcing.

Supply support for RS2G-E3/52T 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

Vishay Intertechnology is a global manufacturer of discrete semiconductors and passive components, specializing in high-reliability, application-optimized devices for power, sensing, and signal conditioning.

The RS2G-E3/52T belongs to Vishay's RS2x fast switching rectifier family, engineered for high-efficiency, high-frequency power conversion in space-constrained consumer, industrial, and automotive applications.

FAQ

What is the maximum junction temperature rating for RS2G-E3/52T?

The RS2G-E3/52T has a maximum junction temperature (T_J) of +150 °C, allowing uninterrupted operation in sealed enclosures or high-ambient environments such as automotive engine bays or industrial control cabinets. This rating is validated per the Vishay datasheet 88708 and applies across the full I_F(AV) range when mounted on a 7 mm × 7 mm PCB copper pad.

Is RS2G-E3/52T AEC-Q101 qualified?

The RS2G-E3/52T itself is the commercial-grade RoHS-compliant variant. However, the RS2GHE3_X series (e.g., RS2GHE3_A) is AEC-Q101 qualified. To obtain automotive-grade compliance, specify the HE3 suffix and revision code; RS2G-E3/52T must not be assumed qualified unless explicitly ordered with HE3.

What does the "52T" in RS2G-E3/52T indicate?

The "52T" in RS2G-E3/52T is Vishay's package code denoting 7-inch diameter plastic tape-and-reel packaging with 750 units per reel. It specifies delivery format and quantity-not electrical or thermal characteristics-and is compatible with standard SMT pick-and-place equipment calibrated for SMB (DO-214AA) devices.

How does RS2G-E3/52T compare to RS2J-E3/52T in terms of voltage rating?

The RS2G-E3/52T has a 400 V maximum repetitive peak reverse voltage (V_RRM), whereas RS2J-E3/52T is rated for 600 V. Both share identical I_F(AV) (1.5 A), t_rr (150 ns for RS2G, 250 ns for RS2J), and SMB packaging. Select RS2G-E3/52T where 400 V margin suffices to reduce cost and footprint.

Can RS2G-E3/52T replace a 1N5819 in a 5 V buck converter?

RS2G-E3/52T is not a direct replacement for 1N5819: it has higher V_RRM (400 V vs. 40 V) and slower t_rr (150 ns vs. ~40 ns), but comparable V_F (~1.3 V). In a 5 V buck, its overrated voltage adds no benefit and may increase parasitic capacitance; a Schottky like 1N5819 remains preferred unless transient suppression demands higher V_RRM.

RS2G-E3/52T Specifications

Product attributes: Attribute value

Manufacturer:: Vishay General Semiconductor - Diodes Division

Series:: -

Package/Case:: DO-214AA, SMB

Packaging:: Tape & Reel (TR)

Product Status:: Active

Technology:: Standard

Voltage - DC Reverse (Vr) (Max):: 400 V

Current - Average Rectified (Io):: 1.5A

Voltage - Forward (Vf) (Max) @ If:: 1.3 V @ 1.5 A

Speed:: Fast Recovery =< 500ns, > 200mA (Io)

Reverse Recovery Time (trr):: 150 ns

Current - Reverse Leakage @ Vr:: 5 µA @ 400 V

Capacitance @ Vr, F:: 20pF @ 4V, 1MHz

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: DO-214AA (SMB)

Operating Temperature - Junction:: -55°C ~ 150°C

RS2G-E3/52T FAQ

1.How can I place an order for RS2G-E3/52T through Aetrix?

Please submit a Request for Quotation (RFQ) for RS2G-E3/52T on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for RS2G-E3/52T reliable?

The price and inventory of RS2G-E3/52T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RS2G-E3/52T is usually 5 days.

3.What payment methods are accepted for RS2G-E3/52T?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RS2G-E3/52T transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for RS2G-E3/52T?

RS2G-E3/52T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your RS2G-E3/52T order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for RS2G-E3/52T?

For technical support, including RS2G-E3/52T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RS2G-E3/52T requirements.

6.How does Aetrix verify that RS2G-E3/52T is sourced from the original manufacturer or authorized distributors?

All RS2G-E3/52T products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that RS2G-E3/52T meets industry standards.

7.What is the process for return or replacement of RS2G-E3/52T?

All RS2G-E3/52T units undergo pre-shipment inspection (PSI). If there is an issue with RS2G-E3/52T, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The RS2G-E3/52T part is unused and in its original packaging.

Return procedure for RS2G-E3/52T:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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