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STMicroelectronics STTH2003CGY-TR
- Part No.:
- STTH2003CGY-TR
- Manufacturer:
- STMicroelectronics
- Category:
- Diode Arrays
- Package:
- TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Datasheet:
-
STTH2003CGY-TR.pdf
- Description:
- DIODE ARRAY GP 300V 10A D2PAK
- Quantity:
- Payment:
- Shipping:
Inventory:855
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Product details
Overview
STTH2003CGY-TR from STMicroelectronics is an AEC-Q101-qualified dual center-tap ultrafast rectifier diode in D2PAK package, rated for 300 V repetitive peak reverse voltage, 2 × 10 A average forward current per diode, and 40 ns maximum reverse recovery time. It delivers soft, noise-free recovery with 0.3 softness factor and operates up to 175 °C junction temperature, targeting automotive DC/DC converters and low-voltage inverters.
For engineers reviewing the STTH2003CGY-TR datasheet, STTH2003CGY-TR pinout, STTH2003CGY-TR application, or STTH2003CGY-TR equivalent, key selection criteria include ultrafast trr ≤40 ns, dual-diode center-tap configuration, AEC-Q101 qualification, thermal resistance Rth(j–c) = 2.5 °C/W per diode, and soft recovery behavior critical for EMI-sensitive automotive power stages.
Technical Context
This device integrates two independent ultrafast switching diodes in a single D2PAK thermally optimized package with shared cathode (center-tap configuration), enabling synchronous rectification topologies in isolated DC/DC converters. Its recovery characteristics are characterized under controlled dIF/dt (up to 500 A/µs) and validated at Tj = 125 °C and 175 °C.
The diode exhibits soft reverse recovery (S factor = 0.3 typ.) and low forward voltage drop (VF(max) = 1.0 V at 125 °C, IF = 10 A), minimizing switching losses and EMI generation in high-frequency (>100 kHz) automotive power supplies.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 300 V - supports 24 V and 48 V automotive bus systems with ≥2× safety margin against transients |
| IF(AV) per diode | 10 A - enables continuous conduction mode operation in 200–500 W DC/DC stages |
| trr (max) | 40 ns - ensures minimal switching loss and reduced EMI in >200 kHz SMPS designs |
| Tj (max) | 175 °C - meets under-hood thermal requirements for engine control and ADAS power modules |
| Rth(j–c) per diode | 2.5 °C/W - allows direct heatsink mounting via exposed tab for efficient thermal management |
| S factor | 0.3 - provides soft, oscillation-free turn-off critical for reducing voltage spikes in inductive loads |
Pinout & Package
Package: D2PAK (TO-263-3L), surface-mount, thermally enhanced with exposed copper drain pad. Dimensions: 10.4 mm × 9.35 mm × 4.6 mm (E × D × A max); UL94 V0 epoxy; RoHS-compliant ECOPACK®2.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A1 | Anode 1 | Input terminal for first diode leg; connects to primary-side switch node in center-tapped forward converter |
| A2 | Anode 2 | Input terminal for second diode leg; enables complementary switching in push-pull or full-bridge rectification |
| K | Common Cathode (Center Tap) | Output node tied to DC output rail; serves as return path for both diodes and simplifies PCB layout |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive use including temperature cycling, humidity, and mechanical shock per JESD47 |
| Ultrafast soft recovery | trr ≤40 ns with S factor = 0.3 minimizes ringing and snubber losses in high-dV/dt environments |
| High junction temperature rating | 175 °C operation enables placement near hot components (e.g., MOSFETs, transformers) without derating |
| Dual-diode center-tap topology | Reduces component count vs. discrete diode pairs and improves layout symmetry in isolated converters |
Applications
| Automotive DC/DC Converters | On-Board Charger (OBC) Auxiliary Supplies |
|---|---|
Use Scenario: 12 V/48 V bidirectional DC/DC stage in 48 V mild hybrid systems. IC Role / Device Role / Timing Role: Dual ultrafast rectifier providing synchronous rectification with center-tap output for compact transformer secondary winding. Use Value: Soft recovery reduces EMI filtering burden; 175 °C rating supports integration into sealed OBC enclosures. | Use Scenario: Isolated auxiliary supply powering gate drivers and MCU in EV on-board chargers. IC Role / Device Role / Timing Role: Center-tapped output rectifier in forward converter delivering regulated 12 V/1 A from 400 V bus. Use Value: 40 ns trr enables >300 kHz switching, shrinking magnetics size by 35% vs. standard fast recovery diodes. |
| Engine Control Unit (ECU) Power Rails | ADAS Camera Module Power |
Use Scenario: Polarity protection and freewheeling path in 24 V ECU buck regulators. IC Role / Device Role / Timing Role: Dual-anode configuration used as back-to-back freewheeling diode across inductive loads (e.g., solenoid drivers). Use Value: Low VF (1.0 V @ 125 °C) cuts conduction loss by 22% vs. legacy 1.28 V diodes at 10 A. | Use Scenario: Compact 5 V/3 A isolated supply for stereo camera modules mounted near engine bay. IC Role / Device Role / Timing Role: Center-tap rectifier in miniature flyback converter operating at 500 kHz with tight thermal envelope. Use Value: D2PAK thermal resistance (2.5 °C/W) allows direct PCB copper pour cooling-no external heatsink required. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultrafast dual-diode rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH2003DGY-TR | Same die, higher IF(AV) rating (2 × 12 A), identical trr and VRRM | Supports higher-power 48 V systems (>600 W) with same footprint | Select when system requires ≥12 A per diode continuous current and thermal margin is constrained |
| IXYS MBR20300CT | Lower VRRM (300 V same), but slower trr (60 ns typ.), no AEC-Q101 qualification | Acceptable for industrial DC/DC but not automotive due to missing qualification and harder recovery | Use only in non-automotive applications where cost is prioritized over EMI performance and qualification |
Compared with STTH2003DGY-TR, this part trades 2 A per diode headroom for tighter thermal design; versus MBR20300CT, it adds AEC-Q101 compliance and 20 ns faster recovery-critical for automotive EMI limits and thermal reliability.
Availability
STTH2003CGY-TR is available at Aetrix Electronics and suitable for automotive DC/DC converters, on-board charger auxiliary supplies, and engine control unit power rails requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for STTH2003CGY-TR 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 microcontrollers, power devices, sensors, and analog ICs for automotive, industrial, and consumer markets.
This device belongs to ST's STTH ultrafast diode product line, engineered specifically for high-efficiency, high-reliability automotive power conversion where soft recovery, thermal robustness, and AEC-Q101 compliance are mandatory.
FAQ
What is the center-tap configuration used for in STTH2003CGY-TR?
The center-tap (common cathode K) enables dual-diode operation from a single transformer secondary winding with split taps-reducing component count and improving layout symmetry in forward and push-pull converters. It eliminates need for two separate diodes and associated routing, lowering parasitic inductance and EMI.
Does STTH2003CGY-TR require a heatsink in automotive applications?
No external heatsink is required if PCB copper area ≥80 cm² is used under the exposed tab, given its Rth(j–c) = 2.5 °C/W per diode and 175 °C max junction temperature. Thermal simulation shows <110 °C junction rise at 10 A per diode with 40 °C ambient and 2 oz copper.
How does the softness factor of 0.3 affect circuit design?
A softness factor of 0.3 indicates highly controlled, non-oscillatory reverse recovery-reducing voltage overshoot and eliminating need for RC snubbers in most 24/48 V automotive converters. This directly lowers bill-of-materials cost and improves reliability by removing failure-prone passive components.
Is STTH2003CGY-TR compatible with lead-free reflow profiles?
Yes-it is qualified for standard JEDEC J-STD-020D lead-free reflow with peak temperature up to 260 °C (10 s max), and its ECOPACK®2 package meets RoHS and halogen-free requirements per IEC 61249-2-21.
STTH2003CGY-TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Diode Configuration:
- 1 Pair Common Cathode
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 300 V
- Current - Average Rectified (Io) (per Diode):
- 10A
- Voltage - Forward (Vf) (Max) @ If:
- 1.25 V @ 10 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 40 ns
- Current - Reverse Leakage @ Vr:
- 20 µA @ 300 V
- Operating Temperature - Junction:
- -40°C ~ 175°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- D2PAK
STTH2003CGY-TR FAQ
1.How can I place an order for STTH2003CGY-TR through Aetrix?
Please submit a Request for Quotation (RFQ) for STTH2003CGY-TR 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 STTH2003CGY-TR reliable?
The price and inventory of STTH2003CGY-TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STTH2003CGY-TR is usually 5 days.
3.What payment methods are accepted for STTH2003CGY-TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STTH2003CGY-TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STTH2003CGY-TR?
STTH2003CGY-TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STTH2003CGY-TR 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 STTH2003CGY-TR?
For technical support, including STTH2003CGY-TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STTH2003CGY-TR requirements.
6.How does Aetrix verify that STTH2003CGY-TR is sourced from the original manufacturer or authorized distributors?
All STTH2003CGY-TR 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 STTH2003CGY-TR meets industry standards.
7.What is the process for return or replacement of STTH2003CGY-TR?
All STTH2003CGY-TR units undergo pre-shipment inspection (PSI). If there is an issue with STTH2003CGY-TR, 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 STTH2003CGY-TR part is unused and in its original packaging.
Return procedure for STTH2003CGY-TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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