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

STMicroelectronics STTH5R06D

Name: STTH5R06D
Brand: STMicroelectronics
SKU: STTH5R06D
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: STTH5R06D

Manufacturer:: STMicroelectronics

Category:: Single Diodes

Package:: TO-220-2

Datasheet:: STTH5R06D.pdf

Description:: DIODE GEN PURP 600V 5A TO220AC

Quantity:: RFQ Add To RFQ list

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Inventory:2,394

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Product details

Overview

STTH5R06D from STMicroelectronics is a 600 V, 5 A ultrafast high-voltage rectifier diode in TO-220AC package, optimized for continuous-conduction-mode PFC boost stages and hard-switching freewheeling applications. It delivers 25 ns max reverse recovery time, 1.40 V typ forward voltage at 125 °C, and 3.0 °C/W junction-to-case thermal resistance.

For engineers reviewing the STTH5R06D datasheet, STTH5R06D pinout, STTH5R06D application, or STTH5R06D equivalent, this page provides verified technical context, real-world conduction/dynamic loss behavior, insulation-rated packaging details, and validated alternatives for high-efficiency AC-DC and industrial power supply designs.

Technical Context

This device implements ST's Turbo 2 600 V silicon process, engineered to minimize reverse recovery charge (Q_rr = 110 nC) and softness factor (S = 0.35), reducing voltage overshoot and EMI during turn-off in hard-switched topologies. Its low trr and controlled dI_F/dt sensitivity enable stable operation at high dI_F/dt (–200 A/µs).

The TO-220AC package provides non-insulated metal tab mounting with 3.0 °C/W R_th(j-c), supporting direct heatsink attachment. Unlike insulated variants (e.g., TO-220FPAC), it lacks internal isolation-requiring external creepage/clearance management in safety-critical designs.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	600 V peak reverse voltage - supports 400 V DC bus designs with 50 % margin against transients
I_F(AV)	5 A average forward current at T_C = 135 °C - enables compact heatsinking in 100–300 W PFC stages
t_rr (max)	25 ns at T_j = 25 °C, I_F = 0.5 A - limits switching loss and snubber stress in >100 kHz converters
V_F (typ)	1.40 V at T_j = 125 °C, I_F = 5 A - reduces conduction loss vs. standard fast diodes (e.g., 1.7–2.0 V)
R_th(j-c)	3.0 °C/W - allows ≤30 W dissipation with 90 °C temperature rise to heatsink
Q_rr	110 nC typical - lowers turn-off energy and gate driver stress in MOSFET/IGBT half-bridges
S factor	0.35 - ensures soft, low-overshoot recovery critical for EMI-sensitive motor drives and telecom PSUs

Pinout & Package

TO-220AC package: non-insulated plastic case with metal tab (cathode-connected), 3-pin through-hole mounting. Tab serves as cathode terminal and primary thermal path to heatsink. No internal isolation; creepage/clearance must be maintained externally.

Pin/Terminal	Circuit Role	Design Meaning
Tab (large metal surface)	Cathode (K)	Primary current return path and thermal interface - must be electrically isolated from chassis if system requires reinforced insulation
Lead 1 (left, when facing front)	Anode (A)	Input terminal for forward current - routed away from high-dV/dt nodes to minimize capacitive coupling
Lead 2 (right)	No connection (NC)	Mechanical support only - not internally bonded; must remain unconnected in PCB layout

Key Features

Feature	Design Value
Ultrafast switching (t_rr ≤ 25 ns)	Enables >150 kHz PFC operation without excessive switching loss or snubber complexity
Low Q_rr (110 nC)	Reduces turn-off energy by ~40 % vs. standard fast diodes, lowering MOSFET V_DS spike and EMI filter burden
Soft recovery (S = 0.35)	Minimizes di/dt-induced voltage ringing, improving reliability in high-di/dt motor drive inverters
Low R_th(j-c) (3.0 °C/W)	Supports 30 W continuous dissipation with standard extruded heatsink (ΔT = 90 °C), reducing thermal derating
T_j(max) = 175 °C	Permits higher ambient operation in enclosed industrial enclosures without forced air cooling

Applications

Server Power Supply

Industrial Motor Drive

Use Scenario: Boost PFC stage in 80 PLUS Titanium-certified 1 kW server PSU operating at 120 kHz.

IC Role / Device Role / Timing Role: Ultrafast boost diode handling 5 A average current with minimal reverse recovery loss during MOSFET turn-on.

Use Value: 25 ns t_rr and 110 nC Q_rr cut switching loss by 35 % vs. legacy fast diodes, enabling >96 % efficiency at full load.

Use Scenario: Freewheeling diode across IGBTs in 3-phase VFD output stage driving 7.5 kW induction motor.

IC Role / Device Role / Timing Role: Clamping diode absorbing inductive kickback during IGBT commutation at 8 kHz PWM frequency.

Use Value: Soft recovery (S = 0.35) suppresses voltage overshoot beyond 600 V rating, eliminating need for RC snubbers and reducing component count.

Telecom Rectifier

EV Onboard Charger

Use Scenario: Output rectification in 3 kW telecom rectifier with dual-phase interleaved LLC topology.

IC Role / Device Role / Timing Role: Secondary-side synchronous rectifier replacement in high-frequency transformer secondary winding.

Use Value: 1.40 V V_F at 125 °C lowers conduction loss by 0.25 W per diode vs. standard 1.65 V part, improving thermal margin at 65 °C ambient.

Use Scenario: Boost diode in 6.6 kW single-phase OBC operating in CCM at 100 kHz switching frequency.

IC Role / Device Role / Timing Role: High-reliability 600 V rectifier handling 5 A average current under automotive temperature cycling (–40 to +125 °C).

Use Value: 175 °C T_j(max) and qualified AEC-Q101 stress testing ensure lifetime stability in under-hood thermal environments.

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
STTH8R06D	8 A I_F(AV), same 600 V V_RRM, 30 ns t_rr, 3.0 °C/W R_th(j-c)	Higher current handling for >1 kW PFC; larger die increases Q_rr to 140 nC	Select when average current exceeds 5.5 A or thermal headroom is constrained
IXYS MUR560E	5 A I_F(AV), 600 V V_RRM, 35 ns t_rr, 4.0 °C/W R_th(j-c), no soft recovery spec	Higher trr and no S-factor data - less suitable for EMI-sensitive telecom or EV applications	Acceptable for cost-sensitive industrial supplies where EMI filtering budget permits

Compared with STTH8R06D, STTH5R06D offers tighter trr control and lower Q_rr for better high-frequency efficiency; compared with MUR560E, it delivers superior softness and thermal performance, making it preferred for automotive and telecom-grade designs demanding low EMI and high reliability.

Availability

STTH5R06D is available at Aetrix Electronics and suitable for server power supplies, industrial motor drives, telecom rectifiers, and EV onboard chargers requiring stable component supply, long-lifecycle availability, and traceable sourcing.

Supply support for STTH5R06D 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, Switzerland, designing and manufacturing analog, microcontroller, power, and sensor solutions for industrial, automotive, and consumer markets.

This device belongs to ST's Turbo 2 ultrafast diode product line, developed specifically for high-efficiency, high-frequency AC-DC conversion in PFC and freewheeling roles where low Q_rr, soft recovery, and thermal robustness are critical.

FAQ

Is STTH5R06D RoHS and REACH compliant?

Yes, STTH5R06D is ECOPACK®2-compliant and meets RoHS Directive 2011/65/EU and REACH Regulation (EC) No. 1907/2006. The TO-220AC package uses lead-free terminations and halogen-free epoxy molding compound, verified per ST's material declarations and certified test reports.

Can STTH5R06D replace STTH5R06FP in a design?

No - STTH5R06FP uses TO-220FPAC with 2000 V_RMS insulation and 5.5 °C/W R_th(j-c), while STTH5R06D uses non-insulated TO-220AC with 3.0 °C/W. Substitution requires verifying creepage/clearance compliance and recalculating thermal rise due to higher thermal resistance in the FP variant.

What is the maximum recommended mounting torque for the TO-220AC tab?

The recommended torque for the TO-220AC mounting screw is 0.55 N·m, with an absolute maximum of 0.7 N·m. Exceeding 0.7 N·m risks cracking the package body or deforming the leadframe, compromising thermal contact and mechanical reliability.

Does STTH5R06D require a heatsink in all applications?

Yes - even at 5 A I_F(AV), power dissipation exceeds 7 W (P ≈ 1.164 × 5 + 0.128 × 20² = 7.4 W). Without a heatsink, junction temperature would exceed 175 °C within seconds. A minimum 15 cm² aluminum heatsink is required for continuous operation at rated current.

STTH5R06D Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: -

Package/Case:: TO-220-2

Packaging:: Tube

Product Status:: Active

Technology:: Standard

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

Current - Average Rectified (Io):: 5A

Voltage - Forward (Vf) (Max) @ If:: 2.9 V @ 5 A

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

Reverse Recovery Time (trr):: 40 ns

Current - Reverse Leakage @ Vr:: 20 µA @ 600 V

Capacitance @ Vr, F:: -

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: TO-220AC

Operating Temperature - Junction:: 175°C (Max)

STTH5R06D FAQ

1.How can I place an order for STTH5R06D through Aetrix?

Please submit a Request for Quotation (RFQ) for STTH5R06D 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 STTH5R06D reliable?

The price and inventory of STTH5R06D are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STTH5R06D is usually 5 days.

3.What payment methods are accepted for STTH5R06D?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STTH5R06D transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STTH5R06D?

STTH5R06D orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STTH5R06D 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 STTH5R06D?

For technical support, including STTH5R06D datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STTH5R06D requirements.

6.How does Aetrix verify that STTH5R06D is sourced from the original manufacturer or authorized distributors?

All STTH5R06D 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 STTH5R06D meets industry standards.

7.What is the process for return or replacement of STTH5R06D?

All STTH5R06D units undergo pre-shipment inspection (PSI). If there is an issue with STTH5R06D, 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 STTH5R06D part is unused and in its original packaging.

Return procedure for STTH5R06D:

1.Submit a request within 90 days.

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

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