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

Vishay General Semiconductor - Diodes Division 60EPS12

Name: 60EPS12
Brand: Vishay General Semiconductor - Diodes Division
SKU: 60EPS12
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 60EPS12

Manufacturer:: Vishay General Semiconductor - Diodes Division

Category:: Single Diodes

Package:: TO-247-2

Datasheet:: 60EPS12.pdf

Description:: DIODE GP 1.2KV 60A TO247AC

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Product details

Overview

60EPS12 from Vishay is a high-voltage, standard-recovery silicon rectifier diode in a TO-247AC modified package, rated for 60 A average forward current, 1200 V peak reverse voltage (V_RRM), and 1.09 V forward voltage at 60 A and 25 °C. It serves as an input rectifier in industrial power supplies and motor drives requiring robust surge handling and 150 °C junction operation.

For engineers reviewing the 60EPS12 datasheet, 60EPS12 pinout, 60EPS12 application, or 60EPS12 equivalent, key selection criteria include its 950 A non-repetitive surge rating, 0.35 °C/W junction-to-case thermal resistance, glass-passivated die construction, and compatibility with Vishay HPP switch/output rectifier families in identical outlines.

Technical Context

The 60EPS12 is a single-diode, common-cathode–configured rectifier optimized for high-efficiency AC/DC front-end conversion. Its standard recovery behavior (not fast or ultrafast) supports line-frequency rectification with moderate switching losses and low conduction loss trade-off.

Designed for industrial-level reliability, it features glass passivation enabling stable operation up to 150 °C junction temperature and withstands 1300 V non-repetitive peak reverse voltage (V_RSM). Thermal performance is defined by R_thJC = 0.35 °C/W (DC), supporting high-power dissipation when mounted on heatsinks with greased interface.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	1200 V - Maximum repetitive peak reverse voltage; defines maximum AC line voltage tolerance in bridge or half-wave rectifier designs.
I_F(AV)	60 A - Average forward current at T_C = 118 °C and 180° conduction; sets continuous power-handling capability with proper heatsinking.
V_F @ 60 A	1.09 V - Forward voltage drop at rated current and 25 °C; directly determines conduction loss (P_cond ≈ I × V_F) in steady-state operation.
I_FSM	950 A - Peak non-repetitive surge current (10 ms sine pulse, rated V_RRM applied); specifies short-circuit and inrush current withstand capability.
R_thJC	0.35 °C/W - Junction-to-case thermal resistance (DC); enables calculation of junction temperature rise (ΔT_J = P_loss × R_thJC) under continuous load.
T_J Range	−40 to +150 °C - Operating and storage temperature range; confirms suitability for harsh industrial environments without derating below −40 °C.

Pinout & Package

Package: TO-247AC modified (JEDEC-compliant, 3-terminal, isolated tab). Case is electrically connected to cathode; mounting screw provides mechanical and thermal interface to heatsink.

Pin/Terminal	Circuit Role	Design Meaning
Terminal 1 (Anode 1)	Anode connection	Primary current entry point for forward conduction; must be routed to AC input phase or transformer secondary.
Terminal 2 (Anode 2)	Anode connection	Second anode terminal-this device is a single diode; Terminal 2 is not used and internally unconnected per Vishay marking diagram and package outline doc 95253.
Terminal 3 (Cathode)	Cathode connection	Common output node for rectified DC; electrically tied to case and mounting tab-requires insulating washer if heatsink is grounded.

Key Features

Feature	Design Value
Glass passivated junction	Enables reliable 150 °C continuous operation and long-term stability under thermal cycling in industrial power systems.
Low forward voltage (1.09 V @ 60 A)	Reduces conduction losses by ~15% vs. comparable 1200 V diodes with V_F > 1.25 V, improving system efficiency at full load.
High surge rating (950 A I_FSM)	Supports direct connection to mains or high-inertia motor windings without external fusing for typical 10-ms fault durations.
TO-247AC modified package	Provides 0.35 °C/W R_thJC and mechanical compatibility with Vishay HPP switches and output rectifiers using identical footprints.

Applications

Industrial AC/DC Power Supplies	Motor Drive Input Rectification
Use Scenario: Three-phase 400–480 VAC input rectification in programmable logic controller (PLC) power modules. IC Role / Device Role / Timing Role: Single-phase leg in six-pulse bridge configuration; conducts during positive half-cycle of assigned phase. Use Value: 1200 V V_RRM ensures margin against line surges and reflected transients; 60 A rating supports 3 kW continuous output with forced-air cooling.	Use Scenario: Input rectification in variable frequency drives (VFDs) powering HVAC compressors and pumps. IC Role / Device Role / Timing Role: High-current, line-frequency rectifier converting three-phase AC to DC bus; operates at 50/60 Hz with minimal switching loss. Use Value: 950 A I_FSM withstands motor locked-rotor inrush; glass passivation sustains 150 °C junction temperature during overload conditions.
Uninterruptible Power Systems (UPS)	Welding Equipment Power Stages
Use Scenario: Battery-charging rectifier stage in online double-conversion UPS units with 380–400 VDC bus. IC Role / Device Role / Timing Role: Main AC-to-DC converter diode; handles bidirectional energy flow during battery charge/discharge cycles. Use Value: 0.35 °C/W R_thJC allows compact heatsink design; 1.09 V V_F minimizes heat generation during continuous charging mode.	Use Scenario: Primary rectification in arc welding inverters with high-duty-cycle operation and frequent short-circuit events. IC Role / Device Role / Timing Role: Input-stage diode in transformer-rectifier welder; conducts heavy pulsed DC currents with high peak-to-average ratio. Use Value: 6300 A²s I²t rating (no voltage reapplied) ensures fuseless protection during electrode stick events; 150 °C T_J rating accommodates ambient temperatures up to 70 °C.

Industrial AC/DC Power Supplies

Motor Drive Input Rectification

Use Scenario: Three-phase 400–480 VAC input rectification in programmable logic controller (PLC) power modules.

IC Role / Device Role / Timing Role: Single-phase leg in six-pulse bridge configuration; conducts during positive half-cycle of assigned phase.

Use Value: 1200 V V_RRM ensures margin against line surges and reflected transients; 60 A rating supports 3 kW continuous output with forced-air cooling.

Use Scenario: Input rectification in variable frequency drives (VFDs) powering HVAC compressors and pumps.

IC Role / Device Role / Timing Role: High-current, line-frequency rectifier converting three-phase AC to DC bus; operates at 50/60 Hz with minimal switching loss.

Use Value: 950 A I_FSM withstands motor locked-rotor inrush; glass passivation sustains 150 °C junction temperature during overload conditions.

Uninterruptible Power Systems (UPS)

Welding Equipment Power Stages

Use Scenario: Battery-charging rectifier stage in online double-conversion UPS units with 380–400 VDC bus.

IC Role / Device Role / Timing Role: Main AC-to-DC converter diode; handles bidirectional energy flow during battery charge/discharge cycles.

Use Value: 0.35 °C/W R_thJC allows compact heatsink design; 1.09 V V_F minimizes heat generation during continuous charging mode.

Use Scenario: Primary rectification in arc welding inverters with high-duty-cycle operation and frequent short-circuit events.

IC Role / Device Role / Timing Role: Input-stage diode in transformer-rectifier welder; conducts heavy pulsed DC currents with high peak-to-average ratio.

Use Value: 6300 A²s I²t rating (no voltage reapplied) ensures fuseless protection during electrode stick events; 150 °C T_J rating accommodates ambient temperatures up to 70 °C.

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-voltage rectifier applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
Vishay VS-60E12	Same V_RRM (1200 V), same I_F(AV) (60 A), but TO-247AD package with isolated tab; R_thJC = 0.40 °C/W.	Requires insulated mounting hardware; slightly higher thermal resistance reduces power density in space-constrained designs.	Select VS-60E12 only when electrical isolation between cathode and heatsink is mandatory.
ON Semiconductor MUR6012CT	1200 V, 60 A dual common-cathode diode; fast recovery (t_rr = 85 ns); V_F = 1.85 V @ 60 A; TO-247AC package.	Higher V_F increases conduction loss; faster recovery enables higher-frequency operation but adds EMI concerns in line-frequency use.	Choose MUR6012CT only if circuit requires fast recovery or dual-diode integration; not a direct replacement due to different recovery profile and higher V_F.

Compared with VS-60E12 and MUR6012CT, the 60EPS12 delivers lower conduction loss and superior thermal resistance in non-isolated, line-frequency rectifier roles-making it optimal for cost-sensitive, thermally demanding industrial power stages where standard recovery is acceptable.

Availability

60EPS12 is available at Aetrix Electronics and suitable for industrial AC/DC power supplies, motor drive input rectification, and uninterruptible power systems requiring stable component supply, long lifecycle support, and traceable sourcing.

Supply support for 60EPS12 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 semiconductor manufacturer specializing in discrete components, sensors, and passive elements, with leadership in power semiconductors and reliability-engineered solutions.

The 60EPS.. High Voltage Series is designed for industrial-grade input rectification-emphasizing low V_F, high surge robustness, and 150 °C operation in power conversion systems where longevity and thermal resilience are critical.

FAQ

What is the maximum junction temperature rating for the 60EPS12?

The 60EPS12 has a maximum junction temperature (T_J) rating of +150 °C, verified per Vishay Document Number 93518. This rating applies under continuous operation with appropriate heatsinking and is enabled by glass passivation technology. Operation above this limit risks irreversible degradation of the PN junction. The 60EPS12 must be thermally managed to ensure T_J remains ≤150 °C across all operating conditions, including worst-case ambient and load scenarios.

Is the 60EPS12 a fast recovery or standard recovery diode?

60EPS12 is a standard recovery rectifier diode, not a fast or ultrafast type. Its datasheet specifies no reverse recovery time (t_rr) value and emphasizes optimization for low forward voltage and moderate leakage-not switching speed. It is intended for line-frequency (50/60 Hz) rectification where recovery losses are negligible compared to conduction losses. Using 60EPS12 in high-frequency SMPS outputs would cause excessive switching loss and overheating.

Does the 60EPS12 have electrically isolated terminals?

No-the 60EPS12 uses a TO-247AC modified package where the metal tab (case) is electrically connected to the cathode (Terminal 3). Terminals 1 and 2 are anodes, but only Terminal 1 is functional; Terminal 2 is unused and unconnected. Because the cathode and case are bonded, electrical isolation from the heatsink requires an insulating washer and shoulder washer kit. This differs from isolated-tab packages like TO-247AD used in Vishay's VS-60E12.

What is the forward voltage drop of the 60EPS12 at 30 A and 25 °C?

The forward voltage drop (V_FM) of the 60EPS12 is 1.00 V at 30 A and 25 °C, as specified in the Electrical Specifications table of Vishay Document Number 93518. This value is measured under DC conditions and reflects lower conduction loss at partial load compared to its 1.09 V rating at full 60 A. Designers can use this to estimate efficiency across the load range, especially in applications with variable output demand.

Can the 60EPS12 be used in parallel configurations?

Yes, the 60EPS12 can be paralleled for higher current capacity, but only with careful attention to thermal and electrical balancing. Its forward slope resistance (r_t) is 3.96 mΩ at 150 °C, meaning V_F varies linearly with current-enabling reasonable current sharing if devices are matched, identically heatsunk, and fed via symmetrical PCB traces. However, Vishay does not specify guaranteed matching or recommend parallel use without individual current-sensing and active balancing in critical applications.

60EPS12 Specifications

Product attributes: Attribute value

Manufacturer:: Vishay General Semiconductor - Diodes Division

Series:: -

Package/Case:: TO-247-2

Packaging:: Tube

Product Status:: Obsolete

Technology:: Standard

Voltage - DC Reverse (Vr) (Max):: 1200 V

Current - Average Rectified (Io):: 60A

Voltage - Forward (Vf) (Max) @ If:: 1.1 V @ 60 A

Speed:: Standard Recovery >500ns, > 200mA (Io)

Reverse Recovery Time (trr):: -

Current - Reverse Leakage @ Vr:: 100 µA @ 1200 V

Capacitance @ Vr, F:: -

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: TO-247AC Modified

Operating Temperature - Junction:: -40°C ~ 150°C

60EPS12 FAQ

1.How can I place an order for 60EPS12 through Aetrix?

Please submit a Request for Quotation (RFQ) for 60EPS12 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 60EPS12 reliable?

The price and inventory of 60EPS12 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 60EPS12 is usually 5 days.

3.What payment methods are accepted for 60EPS12?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 60EPS12 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 60EPS12?

60EPS12 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 60EPS12 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 60EPS12?

For technical support, including 60EPS12 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 60EPS12 requirements.

6.How does Aetrix verify that 60EPS12 is sourced from the original manufacturer or authorized distributors?

All 60EPS12 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 60EPS12 meets industry standards.

7.What is the process for return or replacement of 60EPS12?

All 60EPS12 units undergo pre-shipment inspection (PSI). If there is an issue with 60EPS12, 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 60EPS12 part is unused and in its original packaging.

Return procedure for 60EPS12:

1.Submit a request within 90 days.

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

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