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

STMicroelectronics STTH60RQ06WY

Name: STTH60RQ06WY
Brand: STMicroelectronics
SKU: STTH60RQ06WY
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: STTH60RQ06WY

Manufacturer:: STMicroelectronics

Category:: Single Diodes

Package:: DO-247-2 (Straight Leads)

Datasheet:: STTH60RQ06WY.pdf

Description:: DIODE GEN PURP 600V 60A DO247

Quantity:: RFQ Add To RFQ list

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Inventory:5,660

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Product details

Overview

STTH60RQ06WY from STMicroelectronics is an AEC-Q101-qualified ultrafast high-voltage rectifier diode in DO-247 package, rated for 600 V repetitive peak reverse voltage and 60 A average forward current, with 35 ns maximum reverse recovery time and 1.45 V max forward voltage at 150 °C, designed for LLC full-bridge secondary rectification in automotive and industrial power supplies.

For engineers reviewing the STTH60RQ06WY datasheet, STTH60RQ06WY pinout, STTH60RQ06WY application, or STTH60RQ06WY equivalent, key selection criteria include soft-recovery behavior, junction temperature capability up to +175 °C, low thermal resistance (0.38 °C/W), and PPAP readiness for automotive-grade production.

Technical Context

This device implements a planar epitaxial silicon structure optimized for ultrafast switching with soft reverse recovery-critical for minimizing EMI and voltage overshoot in high-frequency LLC resonant converters. Its dynamic performance is characterized by 660 nC reverse recovery charge and 12–16 A peak reverse recovery current under 200 A/µs di/dt at 125 °C.

The DO-247 package enables direct case-to-heatsink conduction cooling, supporting continuous operation at Tj = +175 °C while maintaining <80 µA reverse leakage at 25 °C and <1600 µA at 150 °C-enabling stable clamping and freewheeling in harsh thermal environments.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	600 V - Withstands repetitive reverse voltage up to 600 V, enabling use in 400 V DC-link systems with safety margin.
I_F(AV)	60 A - Sustains continuous forward current up to 60 A at T_c = 110 °C, suitable for high-power secondary-side rectification.
t_rr (max)	35 ns - Ultrafast recovery minimizes switching losses and EMI in >100 kHz LLC topologies.
V_F (max)	1.45 V @ 150 °C, 60 A - Low conduction loss improves efficiency and reduces heatsink requirements.
R_th(j-c)	0.38 °C/W - Enables efficient thermal transfer to heatsink, critical for automotive under-hood operation.
T_j range	−40 to +175 °C - Fully qualified for automotive engine bay and industrial ambient conditions.
Q_rr	660 nC - Quantified reverse recovery charge used directly in loss calculation for resonant converter design.

Pinout & Package

The STTH60RQ06WY uses a 2-terminal DO-247 package with axial leads: Anode (A) and Cathode (K). The case serves as the cathode terminal, and mechanical mounting torque is specified at 0.8 N·m (max 1.0 N·m).

Pin/Terminal	Circuit Role	Design Meaning
Anode (A)	Forward current entry point	Connected to transformer secondary or switching node; must withstand surge current up to 425 A (10 ms sine).
Cathode (K)	Forward current exit / case connection	Electrically and thermally tied to metal case; mounted directly to heatsink for low R_th(j-c).

Key Features

Feature	Design Value
AEC-Q101 qualification	Validated for automotive powertrain and body electronics per stress test requirements.
Soft recovery behavior	Controlled dI_rr/dt and S-factor >0.6 reduce voltage ringing and snubber losses in LLC circuits.
Low thermal resistance	0.38 °C/W junction-to-case enables >90 W dissipation at ΔT = 34 °C, reducing heatsink size.
PPAP capability	Full production part approval process support including control plans and process FMEAs.

Applications

LLC Resonant Converter Secondary Rectification

Automotive On-Board Charger (OBC)

Use Scenario: High-efficiency 6.6 kW bidirectional OBC using full-bridge LLC topology with synchronous rectification not feasible.

IC Role / Device Role / Timing Role: Ultrafast high-voltage rectifier handling 400–800 V DC-link, conducting during resonant half-cycles.

Use Value: 35 ns t_rr and soft recovery suppress voltage spikes across primary switches, eliminating need for oversized snubbers.

Use Scenario: 11 kW AC/DC stage in EV on-board charger operating at 200–300 kHz switching frequency.

IC Role / Device Role / Timing Role: Freewheeling/clamping diode in active clamp flyback or auxiliary supply rails.

Use Value: 175 °C max junction temperature ensures reliability in sealed, convection-limited under-dash enclosures.

Industrial SMPS Output Rectification

Telecom 48 V Intermediate Bus Converter

Use Scenario: 3 kW telecom rectifier module converting −48 V input to 12 V output using phase-shifted full-bridge.

IC Role / Device Role / Timing Role: Secondary-side rectifier with zero-voltage switching assistance via controlled reverse recovery.

Use Value: 600 V V_RRM supports 3× input derating for 400 V nominal bus, meeting IEC 62368-1 surge requirements.

Use Scenario: High-density 48 V to 12 V intermediate bus converter in 19″ rack-mounted servers.

IC Role / Device Role / Timing Role: Clamping diode across gate drivers and snubbers in high-side MOSFET gate drive circuits.

Use Value: Low 80 µA reverse leakage at 25 °C prevents standby current accumulation across stacked devices.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
IXYS MUR6060CT	TO-247 package, 600 V/60 A, t_rr = 50 ns (typ), R_th(j-c) = 0.45 °C/W	Higher thermal resistance and slower recovery increase conduction and switching losses in >200 kHz designs.	Prefer when legacy TO-247 footprint compatibility is required over optimal LLC efficiency.
Vishay VS-60EPU06L	DO-247 package, 600 V/60 A, t_rr = 45 ns (max), Q_rr = 820 nC	Higher Q_rr increases turn-off loss in high-di/dt LLC phases, requiring larger snubbers.	Acceptable where cost sensitivity outweighs 15% higher dynamic loss in resonant converters.

Compared with MUR6060CT and VS-60EPU06L, STTH60RQ06WY delivers lower R_th(j-c), faster t_rr, and softer recovery-making it the preferred choice for thermally constrained, high-frequency automotive and industrial LLC rectification where EMI and efficiency are critical.

Availability

STTH60RQ06WY is available at Aetrix Electronics and suitable for automotive on-board chargers, industrial switch-mode power supplies, and telecom intermediate bus converters requiring stable component supply with AEC-Q101 compliance and PPAP documentation.

Supply support for STTH60RQ06WY 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

STMicroelectronics is a global semiconductor leader headquartered in Geneva, designing and manufacturing microcontrollers, power devices, sensors, and analog ICs for automotive, industrial, and consumer markets.

The STTH automotive rectifier product line targets high-reliability power conversion in engine control units, battery management systems, and charging infrastructure-emphasizing AEC-Q101 qualification, thermal robustness, and soft-switching optimization.

FAQ

What is the maximum allowable case temperature for continuous operation?

The STTH60RQ06WY supports continuous operation with case temperature up to 110 °C, derived from its 60 A I_F(AV) rating at T_c = 110 °C and 0.38 °C/W R_th(j-c). At higher case temperatures, derating is required per Figure 1 and Figure 2 in DS12510.

Does this diode support bidirectional current flow in resonant topologies?

No-STTH60RQ06WY is a unidirectional rectifier diode. It conducts only from anode to cathode and blocks reverse current up to 600 V. In bidirectional LLC applications, complementary diodes or synchronous MOSFETs are used per half-cycle.

How is the soft recovery behavior quantified in the datasheet?

Softness is measured as the softness factor (SFACTOR), defined as the ratio of time to peak reverse current (t_p) to total reverse recovery time (t_rr). Figure 9 shows SFACTOR >0.6 across 50–500 A/µs di/dt, confirming controlled, non-abrupt current decay.

Can STTH60RQ06WY replace STTH60R06DY in existing designs?

Yes-both share identical electrical specs and DO-247 package, but STTH60RQ06WY adds AEC-Q101 qualification and PPAP capability. No layout or thermal redesign is needed; however, automotive programs must validate updated change control and test reports per PPAP Level 3.

STTH60RQ06WY Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: -

Package/Case:: DO-247-2 (Straight Leads)

Packaging:: Tube

Product Status:: Active

Technology:: Standard

Voltage - DC Reverse (Vr) (Max):: 600 V

Current - Average Rectified (Io):: 60A

Voltage - Forward (Vf) (Max) @ If:: -

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

Reverse Recovery Time (trr):: 65 ns

Current - Reverse Leakage @ Vr:: 80 µA @ 600 V

Capacitance @ Vr, F:: -

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Through Hole

Supplier Device Package:: DO-247

Operating Temperature - Junction:: -40°C ~ 175°C

STTH60RQ06WY FAQ

1.How can I place an order for STTH60RQ06WY through Aetrix?

Please submit a Request for Quotation (RFQ) for STTH60RQ06WY 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 STTH60RQ06WY reliable?

The price and inventory of STTH60RQ06WY are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STTH60RQ06WY is usually 5 days.

3.What payment methods are accepted for STTH60RQ06WY?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STTH60RQ06WY transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STTH60RQ06WY?

STTH60RQ06WY orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STTH60RQ06WY 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 STTH60RQ06WY?

For technical support, including STTH60RQ06WY datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STTH60RQ06WY requirements.

6.How does Aetrix verify that STTH60RQ06WY is sourced from the original manufacturer or authorized distributors?

All STTH60RQ06WY 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 STTH60RQ06WY meets industry standards.

7.What is the process for return or replacement of STTH60RQ06WY?

All STTH60RQ06WY units undergo pre-shipment inspection (PSI). If there is an issue with STTH60RQ06WY, 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 STTH60RQ06WY part is unused and in its original packaging.

Return procedure for STTH60RQ06WY:

1.Submit a request within 90 days.

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

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