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STMicroelectronics STPS20170CG-TR
- Part No.:
- STPS20170CG-TR
- Manufacturer:
- STMicroelectronics
- Category:
- Diode Arrays
- Package:
- TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Datasheet:
-
STPS20170CG-TR.pdf
- Description:
- DIODE ARRAY SCHOT 170V 10A D2PAK
- Quantity:
- Payment:
- Shipping:
Inventory:3,973
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Product details
Overview
STPS20170CG-TR from STMicroelectronics is a dual-center-tap high-voltage Schottky rectifier diode in D²PAK package, rated for 170 V repetitive peak reverse voltage, 2 × 10 A average forward current per diode, and 175 °C maximum junction temperature. It delivers low forward voltage drop (0.69 V typ. at 125 °C, 10 A) and supports high-frequency switched-mode power supplies with avalanche-rated capability up to 480 W.
For engineers reviewing the STPS20170CG-TR datasheet, STPS20170CG-TR pinout, STPS20170CG-TR application, or STPS20170CG-TR equivalent, key selection considerations include thermal resistance (Rth(j-c) = 1.3 °C/W total), insulated package rating (2000 VRMS), dual-diode configuration for center-tapped topologies, and ECOPACK®2 compliance for industrial-grade reliability.
Technical Context
This dual Schottky rectifier integrates two independent anode-cathode paths sharing a common cathode terminal (center-tap configuration), enabling synchronous rectification in forward and flyback converters. Its low VF and fast recovery eliminate minority-carrier storage delay, reducing switching losses versus bipolar ultrafast diodes.
The D²PAK package provides enhanced thermal coupling (Rth(j-c) = 1.3 °C/W total) and 2000 VRMS insulation between case and terminals, supporting isolated high-voltage DC/DC stages. Avalanche energy rating (480 W at 10 µs, Tj = 125 °C) allows robust operation under transient overvoltage conditions without external snubbers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 170 V - Withstands repetitive reverse voltage up to 170 V without breakdown in SMPS output rectification. |
| IF(AV) | 2 × 10 A - Supports 10 A average forward current per diode, enabling 20 A total conduction in center-tapped transformer designs. |
| VF (typ.) | 0.69 V @ 125 °C, 10 A - Minimizes conduction loss (P ≈ 0.64×IF(AV) + 0.011×IF(RMS)²) in high-efficiency 100–500 kHz converters. |
| Tj(max) | 175 °C - Enables operation in thermally constrained environments such as enclosed server PSUs or industrial motor drives. |
| Rth(j-c) | 1.3 °C/W (total) - Delivers efficient heat transfer from junction to case when mounted on PCB copper area ≥ 10 cm². |
| Avalanche Power | 480 W @ 10 µs - Absorbs transient energy during MOSFET turn-off spikes without failure, reducing need for external clamping circuits. |
Pinout & Package
D²PAK (TO-263) surface-mount package with insulated dielectric barrier; 3-terminal configuration: two anodes (A1, A2) and one shared cathode (K).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A1 | Anode 1 | Input terminal for first diode path; connects to one end of center-tapped transformer secondary. |
| A2 | Anode 2 | Input terminal for second diode path; connects to opposite end of center-tapped transformer secondary. |
| K | Common Cathode | Output node for full-wave rectified DC; serves as reference return for both diodes and PCB ground plane connection. |
Key Features
| Feature | Design Value |
|---|---|
| High junction temperature capability | 175 °C max operating temperature enables reliable operation in sealed enclosures without forced air cooling. |
| Insulated TO-220FPAB/D²PAK package | 2000 VRMS isolation supports safety-critical isolated DC/DC converters meeting IEC 62368-1 creepage requirements. |
| Avalanche specification with derating curves | Controlled single-pulse energy absorption (480 W @ 10 µs) simplifies surge protection design in offline adapters. |
| ECOPACK®2 compliance | Halogen-free, RoHS-compliant construction meets EU environmental directives for industrial and telecom equipment. |
Applications
| Server Power Supply | Industrial DC/DC Converter |
|---|---|
Use Scenario: High-density 1U server PSU with center-tapped forward topology delivering 12 V/100 A output. IC Role / Device Role / Timing Role: Dual Schottky rectifier providing synchronous rectification on transformer secondary side. Use Value: Low 0.69 V forward drop reduces conduction loss by >30% vs. silicon ultrafast diodes, improving efficiency from 92% to 94.5% at full load. | Use Scenario: Isolated 24 V input to 5 V/20 A output DC/DC module for PLC backplane power. IC Role / Device Role / Timing Role: Center-tapped rectifier in active-clamp forward converter with reinforced isolation barrier. Use Value: 2000 VRMS insulation rating eliminates need for additional isolation components, reducing BOM count and board space. |
| Telecom Rectifier Module | EV Onboard Charger Auxiliary Supply |
Use Scenario: -48 V telecom rectifier with dual-output (3.3 V & 12 V) using shared center-tapped transformer. IC Role / Device Role / Timing Role: Dual-path rectifier enabling independent regulation of two output rails from single magnetic structure. Use Value: Matched VF characteristics between A1-K and A2-K paths ensure balanced current sharing and thermal distribution across both diodes. | Use Scenario: Auxiliary 12 V supply in 6.6 kW OBC, powered from high-voltage battery via isolated flyback stage. IC Role / Device Role / Timing Role: Output rectifier handling 10 A continuous current in high-reliability automotive environment. Use Value: 175 °C junction rating supports operation at ambient temperatures up to 105 °C inside sealed charger enclosure without derating. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-voltage Schottky rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STPS20170CT | TO-220AB through-hole package; Rth(j-c) = 1.3 °C/W (total), same electrical specs. | Requires mounting hardware and larger PCB footprint; suited for prototyping or low-volume manual assembly. | Select when mechanical robustness or serviceability outweighs automated SMT yield concerns. |
| Vishay VS-20CPH17 | D²PAK package; 170 V VRRM, 20 A total IF(AV), but VF = 0.82 V @ 125 °C - 19% higher conduction loss. | Lacks avalanche rating; requires external TVS for transient suppression in unregulated inputs. | Choose only if STPS20170CG-TR is unavailable and thermal margin permits higher VF penalty. |
Compared with STPS20170CT and VS-20CPH17, STPS20170CG-TR uniquely combines D²PAK SMT compatibility, 2000 VRMS insulation, and avalanche-rated ruggedness-enabling compact, high-reliability, and thermally optimized designs without trade-offs in surge immunity or efficiency.
Availability
STPS20170CG-TR is available at Aetrix Electronics and suitable for server power supplies, industrial DC/DC converters, telecom rectifier modules, and EV onboard charger auxiliary supplies requiring stable component supply and long-term lifecycle support.
Supply support for STPS20170CG-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 industrial, automotive, and consumer markets.
The STPS20170C series belongs to ST's high-voltage Schottky rectifier product line, engineered specifically for high-frequency, high-efficiency AC/DC and isolated DC/DC conversion in demanding power infrastructure applications.
FAQ
What is the thermal resistance from junction to case for STPS20170CG-TR?
The total junction-to-case thermal resistance (Rth(j-c)) is 1.3 °C/W when both diodes operate simultaneously in the D²PAK package. This value assumes proper soldering to ≥10 cm² of 35 µm copper on FR4 PCB and accounts for internal thermal coupling between the dual die and shared cathode tab.
Does STPS20170CG-TR support center-tapped transformer configurations?
Yes - STPS20170CG-TR is explicitly designed as a dual-center-tap Schottky rectifier with separate anodes (A1, A2) and a common cathode (K), enabling full-wave rectification in forward, push-pull, and flyback topologies using center-tapped magnetics without external parallel diodes.
Is STPS20170CG-TR compliant with environmental regulations?
Yes - STPS20170CG-TR carries ECOPACK®2 certification, confirming halogen-free materials, RoHS compliance, and adherence to ST's stringent environmental standards for industrial and telecom equipment, including lead-free reflow compatibility per JEDEC J-STD-020.
What is the maximum surge current rating for STPS20170CG-TR?
The non-repetitive surge forward current (IFSM) is 180 A for a 10 ms sinusoidal half-cycle pulse at Tj = 25 °C. Derating applies above 25 °C ambient; see Figure 2 in the datasheet for IF(AV) vs. Tamb curves and Table 2 for absolute ratings.
STPS20170CG-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:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 170 V
- Current - Average Rectified (Io) (per Diode):
- 10A
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 10 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 15 µA @ 170 V
- Operating Temperature - Junction:
- 175°C (Max)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- D2PAK
STPS20170CG-TR FAQ
1.How can I place an order for STPS20170CG-TR through Aetrix?
Please submit a Request for Quotation (RFQ) for STPS20170CG-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 STPS20170CG-TR reliable?
The price and inventory of STPS20170CG-TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STPS20170CG-TR is usually 5 days.
3.What payment methods are accepted for STPS20170CG-TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STPS20170CG-TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STPS20170CG-TR?
STPS20170CG-TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STPS20170CG-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 STPS20170CG-TR?
For technical support, including STPS20170CG-TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STPS20170CG-TR requirements.
6.How does Aetrix verify that STPS20170CG-TR is sourced from the original manufacturer or authorized distributors?
All STPS20170CG-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 STPS20170CG-TR meets industry standards.
7.What is the process for return or replacement of STPS20170CG-TR?
All STPS20170CG-TR units undergo pre-shipment inspection (PSI). If there is an issue with STPS20170CG-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 STPS20170CG-TR part is unused and in its original packaging.
Return procedure for STPS20170CG-TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
STPS20170CG-TR Tags
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BAV99-7-F
Diodes Incorporated
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BAT54C-7-F
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BAV99,215
Nexperia USA Inc.
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BAT54SLT1G
onsemi
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BAV70LT1G
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BAT54CLT1G
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BAT54S-7-F
Diodes Incorporated
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BAV99LT1G
onsemi
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BAT54S,215
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BAS40-04LT1G
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MMBD1503-TP
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BAV99WT1G
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