STMicroelectronics STTH2R06RL
- Part No.:
- STTH2R06RL
- Manufacturer:
- STMicroelectronics
- Category:
- Single Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
STTH2R06RL.pdf
- Description:
- DIODE GEN PURP 600V 2A DO41
- Quantity:
- Payment:

- Shipping:

Inventory:2,080
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Product details
Overview
STTH2R06RL from STMicroelectronics is a 600 V, 2 A ultrafast recovery rectifier diode using Turbo 2 planar platinum-doped technology, optimized for high-frequency switching in inverters, freewheeling paths, and polarity protection circuits. It features 35 ns typical reverse recovery time, 1.0 V typical forward voltage at 150 °C, and 175 °C maximum junction temperature.
For engineers reviewing the STTH2R06RL datasheet, STTH2R06RL pinout, STTH2R06RL application, or STTH2R06RL equivalent, key selection criteria include reverse recovery performance under dIF/dt stress, thermal resistance to lead (35 °C/W), DO-41 axial package compatibility, and conduction loss modeling per P = 1 × IF(AV) + 0.125 × IF²(RMS).
Technical Context
This diode employs ST's Turbo 2 Pt-doping process to minimize minority carrier lifetime, enabling ultrafast recovery with negligible switching losses. Its low trr (30–50 ns) and low Qrr support high-frequency operation up to several hundred kHz in SMPS and motor drive snubbers.
The device is rated for 600 V repetitive peak reverse voltage and operates across –40 °C to +175 °C junction temperature. Thermal design relies on Rth(j–l) = 35 °C/W (DO-41, L = 5 mm), with IR ≤ 2 µA at 25 °C and ≤ 85 µA at 150 °C under full VRRM.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 600 V - supports DC bus voltages up to 400 V nominal in industrial inverters with safety margin |
| IF(AV) | 2 A at TL = 70 °C - defines continuous conduction capability in DO-41 package with standard PCB trace cooling |
| trr (typ) | 35 ns - enables efficient operation at ≥200 kHz switching frequencies with minimal turn-off loss |
| VF (typ) | 1.0 V at Tj = 150 °C, IF = 2 A - reduces conduction loss and self-heating in thermally constrained layouts |
| Tj max | 175 °C - allows sustained operation in high-ambient environments such as enclosed power supplies or motor drives |
| Rth(j–l) | 35 °C/W - determines temperature rise above lead temperature; critical for thermal derating in discrete mounting |
| IR (max) | 85 µA at Tj = 150 °C, VR = 600 V - ensures low leakage in high-impedance bias networks and sensing circuits |
Pinout & Package
STTH2R06RL is supplied in DO-41 axial package with cathode indicated by a band. Leads are tinned copper, suitable for wave or hand soldering. Package meets UL 94 V0 flammability rating.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point | Connected to lower-potential side of circuit (e.g., switch node in buck freewheel path) |
| Cathode | Forward current exit / reverse blocking terminal | Banded end; connects to higher-potential rail (e.g., output capacitor positive or DC bus) |
Key Features
| Feature | Design Value |
|---|---|
| Ultrafast recovery | trr ≤ 50 ns ensures minimal switching loss in 100–500 kHz converters |
| Low VF at high Tj | 1.0 V typ at 150 °C reduces thermal runaway risk in compact designs |
| High Tj rating | 175 °C junction limit supports operation in sealed enclosures without forced air |
| Low leakage at elevated Tj | IR ≤ 85 µA at 150 °C maintains efficiency in high-voltage hold-off applications |
Applications
| Industrial Inverters | Switch-Mode Power Supplies |
|---|---|
Use Scenario: DC–AC conversion stage in 3-phase motor drives with IGBT half-bridge topology. IC Role / Device Role / Timing Role: Freewheeling diode clamping inductive kickback during IGBT off-time. Use Value: 35 ns trr minimizes voltage overshoot and EMI generation during rapid current reversal. | Use Scenario: Output rectification in 200–300 kHz flyback or forward converters. IC Role / Device Role / Timing Role: High-efficiency secondary-side rectifier handling 2 A average load current. Use Value: Low VF(150 °C) and 35 ns trr jointly reduce total power loss below 1.2 W at full load. |
| Polarity Protection | DC Power Distribution |
Use Scenario: Reverse-voltage safeguard on 24–48 V input rails of PLC modules and sensor interfaces. IC Role / Device Role / Timing Role: Series-connected blocking diode preventing damage from accidental battery reversal. Use Value: 600 V VRRM provides robust margin against transients; 2 A IF(AV) supports >10 W protected loads. | Use Scenario: OR-ing diode in redundant 12 V/24 V DC distribution systems for telecom equipment. IC Role / Device Role / Timing Role: Unidirectional current path enabling seamless source switchover without backfeed. Use Value: Low Rth(j–l) = 35 °C/W and 175 °C Tj allow reliable operation under continuous 2 A conduction with ambient up to 85 °C. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultrafast rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH2R06 | Same die, DO-41 ammopack (2000 pcs); identical electrical specs and thermal performance | No reel packaging; less suitable for automated SMT placement but lower setup cost for prototyping | Select STTH2R06RL for tape-and-reel compatibility with pick-and-place lines; choose STTH2R06 for manual assembly or low-volume evaluation |
| UF2JCT | 600 V, 2 A ultrafast diode (ON Semiconductor); trr = 35 ns typ, VF = 1.05 V @ 150 °C, Rth(j–l) = 30 °C/W (DO-41) | Slightly lower thermal resistance improves margin in thermally dense layouts; same footprint and pinout | UF2JCT offers better thermal performance but requires validation of leakage behavior at 150 °C (IR = 100 µA max vs. STTH2R06RL's 85 µA) |
Compared with STTH2R06 and UF2JCT, STTH2R06RL delivers identical core performance in a tape-and-reel format optimized for production, while UF2JCT provides marginal thermal advantage at the cost of higher leakage-critical for high-temperature hold-off integrity.
Availability
STTH2R06RL is available at Aetrix Electronics and suitable for industrial inverters, switch-mode power supplies, and polarity protection circuits requiring stable component supply with DO-41 axial form factor and tape-and-reel delivery.
Supply support for STTH2R06RL 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 analog, microcontroller, power, and sensor solutions for industrial, automotive, and consumer markets.
The STTH series targets high-efficiency power conversion, emphasizing ultrafast recovery, high-temperature reliability, and low conduction loss in discrete rectification applications.
FAQ
What is the maximum surge current rating for STTH2R06RL?
The STTH2R06RL has a non-repetitive surge forward current (IFSM) rating of 40 A for a 10 ms sinusoidal pulse under DO-41 mounting conditions. This value assumes TL = 70 °C and is validated per IEC 61000-4-5 surge immunity guidelines for transient overcurrent handling in unprotected input stages.
Does STTH2R06RL meet RoHS and REACH requirements?
Yes, STTH2R06RL is manufactured in ST's ECOPACK®-compliant DO-41 package, meeting RoHS Directive 2011/65/EU and REACH Regulation (EC) No. 1907/2006. Lead finish is matte tin, and epoxy conforms to UL 94 V0 flammability standard.
Can STTH2R06RL replace a standard FR107 in a 600 V flyback converter?
Yes-STTH2R06RL offers significantly faster trr (35 ns vs. ~500 ns for FR107) and lower VF at high temperature, reducing switching and conduction losses. However, layout must accommodate its lower stored charge (Qrr ≈ 15 nC vs. FR107's ~70 nC), which may affect snubber design and EMI filtering.
What is the recommended minimum bend radius for STTH2R06RL leads during board insertion?
Per ST Application Note AN1471, the DO-41 leads of STTH2R06RL must be bent at least 3 mm from the body with a minimum radius of 1.5 mm. Exceeding this risks internal wire bond fracture or hermetic seal compromise, especially after thermal cycling.
STTH2R06RL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- DO-204AL, DO-41, Axial
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 600 V
- Current - Average Rectified (Io):
- 2A
- Voltage - Forward (Vf) (Max) @ If:
- 1.7 V @ 2 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 50 ns
- Current - Reverse Leakage @ Vr:
- 2 µA @ 600 V
- Capacitance @ Vr, F:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-41
- Operating Temperature - Junction:
- -40°C ~ 175°C
STTH2R06RL FAQ
1.How can I place an order for STTH2R06RL through Aetrix?
Please submit a Request for Quotation (RFQ) for STTH2R06RL 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 STTH2R06RL reliable?
The price and inventory of STTH2R06RL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STTH2R06RL is usually 5 days.
3.What payment methods are accepted for STTH2R06RL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STTH2R06RL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STTH2R06RL?
STTH2R06RL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STTH2R06RL 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 STTH2R06RL?
For technical support, including STTH2R06RL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STTH2R06RL requirements.
6.How does Aetrix verify that STTH2R06RL is sourced from the original manufacturer or authorized distributors?
All STTH2R06RL 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 STTH2R06RL meets industry standards.
7.What is the process for return or replacement of STTH2R06RL?
All STTH2R06RL units undergo pre-shipment inspection (PSI). If there is an issue with STTH2R06RL, 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 STTH2R06RL part is unused and in its original packaging.
Return procedure for STTH2R06RL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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