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STMicroelectronics STTH1602CT
- Part No.:
- STTH1602CT
- Manufacturer:
- STMicroelectronics
- Category:
- Diode Arrays
- Package:
- TO-220-3
- Datasheet:
-
STTH1602CT.pdf
- Description:
- DIODE ARRAY GP 200V 10A TO-220
- Quantity:
- Payment:
- Shipping:
Inventory:14,928
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Product details
Overview
STTH1602CT from STMicroelectronics is a dual center-tap ultrafast rectifier diode in TO-220AB package, rated for 200 V repetitive peak reverse voltage, 16 A average forward current (per device), and 21 ns typical reverse recovery time. It delivers low conduction losses (VF = 0.78 V typ. at 150 °C, 8 A) and high thermal robustness (Tj max = 175 °C), designed for low-voltage, high-frequency DC–DC converters and SMPS freewheeling paths.
For engineers reviewing the STTH1602CT datasheet, STTH1602CT pinout, STTH1602CT application, or STTH1602CT equivalent, key selection criteria include reverse recovery time under dIF/dt stress, thermal resistance junction-to-case (1.9 °C/W per device), insulated mounting capability, and compliance with ECOPACK®2 environmental standards.
Technical Context
This dual-diode configuration shares a common cathode terminal and features independent anodes (A1, A2), enabling center-tap full-wave rectification without external wiring. Its ultrafast switching (trr ≤ 26 ns) minimizes switching losses in hard-switched topologies operating above 100 kHz.
The device uses optimized epitaxial silicon with controlled lifetime to balance low VF and fast trr-verified by 100 A/µs dIF/dt testing at 125 °C. Thermal design relies on direct case conduction (Rth(j–c) = 1.9 °C/W per device), requiring mechanical mounting to heatsink via insulated washer due to TO-220AB's non-isolated tab.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 200 V - supports input rectification up to 141 V RMS AC or 200 V DC bus clamping |
| IF(AV) per device | 16 A at TC = 140 °C - enables 32 W conduction loss budget in compact SMPS designs |
| trr (typ.) | 21 ns - reduces turn-off switching loss and EMI in 200–500 kHz DC–DC stages |
| VF (typ.) | 0.78 V at 8 A, 150 °C - lowers forward drop vs. standard fast diodes, improving efficiency at high load |
| Rth(j–c) per device | 1.9 °C/W - allows 16 A operation with ≤30 °C temperature rise across heatsink interface |
| Tj(max) | 175 °C - supports sustained operation in sealed industrial enclosures without forced air |
| IR (max) | 60 µA at 125 °C - ensures minimal leakage in high-impedance bias networks |
Pinout & Package
STTH1602CT uses the TO-220AB package with non-insulated metal tab (electrically connected to cathode). Mounting requires isolation hardware when heatsink is grounded. Package outline conforms to ST's mechanical drawing for TO-220AB (Ref. DocID10180 Rev 3, Fig.14).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A1 | Anode 1 | Input terminal for first half of center-tapped secondary winding or independent DC path |
| A2 | Anode 2 | Input terminal for second half of center-tapped secondary winding or alternate DC path |
| K | Common Cathode | Single output node for full-wave rectified DC; electrically tied to TO-220AB tab |
Key Features
| Feature | Design Value |
|---|---|
| Ultrafast recovery | 21 ns trr enables >300 kHz switching in LLC and phase-shifted full-bridge converters |
| Low VF at high Tj | 0.78 V @ 150 °C reduces thermal runaway risk in paralleled or high-ambient deployments |
| High IF(AV) rating | 16 A per device at TC = 140 °C supports single-device solutions for 200–300 W power stages |
| ECOPACK®2 compliance | Meets RoHS, halogen-free, and material declaration requirements for industrial OEM shipments |
| Robust surge handling | 80 A IFSM withstands 10 ms line transients and startup inrush without degradation |
Applications
| Server VRM Output Stage | Industrial DC–DC Converter |
|---|---|
Use Scenario: Secondary-side synchronous rectification replacement in 12 V → 1.2 V VRMs for x86 servers. IC Role / Device Role / Timing Role: Freewheeling diode in non-synchronous buck stage, conducting during low-side FET off-time. Use Value: 21 ns trr limits reverse recovery charge (Qrr < 25 nC), reducing cross-conduction loss and MOSFET gate drive stress. | Use Scenario: Input rectification in 48 V isolated DC–DC modules for PLC backplanes. IC Role / Device Role / Timing Role: Center-tap full-wave rectifier converting transformer secondary to regulated 24 V DC bus. Use Value: Dual-anode topology eliminates external diode pairing; 175 °C Tj rating sustains operation in unventilated control cabinets. |
| Solar Microinverter DC Link | Automotive On-Board Charger (OBC) |
Use Scenario: Boost converter output rectification in string-level microinverters (<1 kW). IC Role / Device Role / Timing Role: High-frequency output diode handling 100–250 kHz switching with bidirectional voltage stress. Use Value: Low IR (≤60 µA @ 125 °C) prevents leakage-induced voltage imbalance across series-connected PV strings. | Use Scenario: Auxiliary power supply rectification in 6.6 kW OBCs powering vehicle battery management systems. IC Role / Device Role / Timing Role: Primary-side bridge rectifier feeding PFC stage, exposed to 400 V DC link ripple. Use Value: 200 V VRRM margin accommodates 1.5× nominal DC link peaks during regenerative braking events. |
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 |
|---|---|---|---|
| STTH1602CG | D²PAK package; Rth(j–c) = 3.0 °C/W per diode; higher thermal resistance than TO-220AB | Better suited for surface-mount assembly; less effective heatsinking than through-hole TO-220AB | Select when PCB space constraints prohibit through-hole mounting and thermal load ≤12 A/device |
| STTH1602CFP | TO-220FPAB package; insulated tab (2000 VRMS); Rth(j–c) = 4.5 °C/W per device | Eliminates need for insulating hardware; lower thermal performance due to plastic isolation layer | Select when system grounding scheme mandates galvanic isolation between heatsink and cathode |
Compared with STTH1602CG and STTH1602CFP, the STTH1602CT offers optimal thermal performance (1.9 °C/W) and mechanical robustness for high-power through-hole designs, while trading off insulation and SMT compatibility for superior heatsink coupling.
Availability
STTH1602CT is available at Aetrix Electronics and suitable for server VRM output stages, industrial DC–DC converters, solar microinverter DC links, and automotive on-board chargers requiring stable component supply and long-term industrial lifecycle support.
Supply support for STTH1602CT 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, power, MCU, and sensor solutions for industrial, automotive, and consumer markets.
The STTH ultrafast diode product line targets high-efficiency power conversion in switch-mode supplies, emphasizing low Qrr, tight VF consistency, and rugged thermal design for mission-critical power stages.
FAQ
What is the maximum continuous junction temperature for STTH1602CT?
The absolute maximum junction temperature is 175 °C, validated per Table 2 of the official datasheet (DocID10180 Rev 3). Operation at this limit requires strict thermal management: case temperature must not exceed 140 °C to sustain 16 A average current, and derating curves apply above that point.
Can STTH1602CT be used in place of a single 200 V, 10 A ultrafast diode?
No-it is a dual-diode device with shared cathode (K) and separate anodes (A1, A2). Using only one anode de-rates IF(AV) to 10 A per diode at TC = 130 °C. Its value lies in center-tap rectification, not single-diode substitution.
Is the TO-220AB tab electrically isolated in STTH1602CT?
No-the metal tab is internally connected to the common cathode (K) terminal. Electrical isolation requires an insulating washer and shoulder washer during heatsink mounting. This differs from the TO-220FPAB variant (STTH1602CFP), which provides 2000 VRMS insulation.
How does STTH1602CT's reverse recovery behavior change with temperature?
As junction temperature rises from 25 °C to 125 °C, trr increases by ~15% (from 21 ns to ~24 ns typ.), while IR increases exponentially-from <6 µA at 25 °C to 60 µA at 125 °C-per Table 4 and Figure 10 in the datasheet.
STTH1602CT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- TO-220-3
- Packaging:
- Tube
- Product Status:
- Active
- Diode Configuration:
- 1 Pair Common Cathode
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 200 V
- Current - Average Rectified (Io) (per Diode):
- 10A
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 8 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 26 ns
- Current - Reverse Leakage @ Vr:
- 6 µA @ 200 V
- Operating Temperature - Junction:
- 175°C (Max)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-220
STTH1602CT FAQ
1.How can I place an order for STTH1602CT through Aetrix?
Please submit a Request for Quotation (RFQ) for STTH1602CT 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 STTH1602CT reliable?
The price and inventory of STTH1602CT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STTH1602CT is usually 5 days.
3.What payment methods are accepted for STTH1602CT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STTH1602CT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STTH1602CT?
STTH1602CT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STTH1602CT 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 STTH1602CT?
For technical support, including STTH1602CT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STTH1602CT requirements.
6.How does Aetrix verify that STTH1602CT is sourced from the original manufacturer or authorized distributors?
All STTH1602CT 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 STTH1602CT meets industry standards.
7.What is the process for return or replacement of STTH1602CT?
All STTH1602CT units undergo pre-shipment inspection (PSI). If there is an issue with STTH1602CT, 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 STTH1602CT part is unused and in its original packaging.
Return procedure for STTH1602CT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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