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Diodes Incorporated STPR1640CTW
- Part No.:
- STPR1640CTW
- Manufacturer:
- Diodes Incorporated
- Category:
- Diode Arrays
- Package:
- TO-220-3
- Datasheet:
-
STPR1640CTW.pdf
- Description:
- DIODE ARRAY GP 400V 16A TO-220AB
- Quantity:
- Payment:
- Shipping:
Inventory:33
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Product details
Overview
STPR1640CTW from Diodes Incorporated is a superfast glass passivated rectifier diode rated for 400 V repetitive peak reverse voltage and 16 A average forward current at TC = 110°C, with 35 ns reverse recovery time and 1.17 V forward voltage at 16 A and 25°C, used in high-frequency DC–DC converters and switching-mode power supplies.
For engineers reviewing the STPR1640CTW datasheet, STPR1640CTW pinout, STPR1640CTW application, or STPR1640CTW equivalent, key selection criteria include reverse recovery time under 40 ns, thermal resistance of 2°C/W (junction-to-case), TO-220AB package mounting compatibility, and AEC-Q101 qualification for automotive-grade reliability.
Technical Context
This device is a dual common-cathode configuration fast recovery rectifier optimized for high-efficiency power conversion. Its 35 ns reverse recovery time and low 1.17 V VF at 16 A/25°C reduce switching losses in hard-switched topologies operating above 100 kHz.
The TO-220AB package enables direct heatsink mounting with RthJC = 2°C/W, and its AEC-Q101 Rev_D qualification confirms suitability for automotive under-hood applications requiring operation from –55°C to +150°C junction temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 400 V - supports input rectification in 28 V–48 V industrial SMPS and 36 V automotive systems with margin against line transients. |
| I(AV) | 16 A @ TC = 110°C - delivers continuous output current in compact 100–300 W offline adapters with forced-air or moderate heatsinking. |
| Trr | 35 ns - enables efficient operation in 200–500 kHz DC–DC converters without excessive switching loss or EMI generation. |
| VF | 1.17 V @ IF = 16 A, 25°C - reduces conduction loss to ~18.7 W per diode at full load, critical for thermal management in sealed enclosures. |
| IR | 1.87 µA @ VR = 400 V, 25°C - ensures minimal standby leakage in always-on auxiliary rails and battery-backed circuits. |
| RthJC | 2°C/W - allows 40°C temperature rise across junction-to-case with 20 W dissipation, compatible with standard 100 mm × 100 mm copper heatsinks. |
Pinout & Package
Package: TO-220AB, 3-terminal through-hole package with isolated tab (cathode-connected tab), lead-free and halogen-free "Green" molding compound (UL 94V-0).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 (Anode 1) | Anode of first diode element | Connects to AC input or transformer secondary side; requires trace width ≥ 2.5 mm for 16 A RMS current handling. |
| Pin 2 (Cathode) | Common cathode node | Internally bonded to metal tab; must be electrically connected to system ground or output rail and thermally coupled to heatsink. |
| Pin 3 (Anode 2) | Anode of second diode element | Enables dual-output or center-tapped full-wave rectification; electrically isolated from Pin 1 except via shared cathode path. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive under-hood use including engine control modules and ADAS power rails with –55°C to +150°C operation. |
| Superfast 35 ns Trr | Reduces turn-off energy loss by >40% vs. standard recovery rectifiers, enabling higher frequency operation without efficiency penalty. |
| Low VF = 1.17 V @ 16 A | Lowers conduction loss by ~15% compared to similar 400 V/16 A devices, directly improving thermal headroom in space-constrained designs. |
| TO-220AB with isolated tab | Permits high-voltage isolation between anodes while enabling direct thermal coupling of cathode to heatsink for optimal thermal performance. |
| Halogen- and antimony-free | Meets IEC 61249-2-21 and JEDEC J-STD-020 standards for green electronics, supporting RoHS 3 compliance and end-of-life recyclability. |
Applications
| Automotive DC–DC Converter | Industrial SMPS Front-End |
|---|---|
Use Scenario: 12 V–48 V bidirectional DC–DC converter in 48 V mild hybrid vehicle architecture. IC Role / Device Role / Timing Role: Dual-anode common-cathode rectifier providing synchronous rectification path during boost mode and freewheeling path during buck mode. Use Value: 35 ns Trr minimizes cross-conduction loss during dead-time transitions, improving overall converter efficiency by up to 2.1% at 250 kHz switching. |
Use Scenario: Input rectification stage in 200 W industrial AC–DC power supply with universal input (85–265 VAC). IC Role / Device Role / Timing Role: Bridge rectifier replacement in voltage-doubler or full-wave configuration for improved thermal distribution and reduced footprint. Use Value: 16 A rating and 2°C/W RthJC allow single-device implementation without parallel diodes, reducing BOM count and layout complexity. |
| Telecom 48 V Backup Supply | Server PSU Secondary Side |
Use Scenario: OR-ing diode array in redundant 48 V telecom backup power system with hot-swap capability. IC Role / Device Role / Timing Role: High-current, low-leakage rectifier ensuring minimal reverse current (<2 µA) during standby and fast turn-on during fault recovery. Use Value: 1.87 µA IR at 400 V prevents battery drain in off-line states, extending hold-up time in distributed power architectures. |
Use Scenario: Output rectification in 54 V/12 A server VRM secondary stage with multiphase synchronous design. IC Role / Device Role / Timing Role: Freewheeling diode complementing high-side MOSFETs in non-synchronous buck stages where gate drive complexity must be minimized. Use Value: 1.17 V VF at 16 A maintains <20 W conduction loss even at full load, avoiding thermal derating in dense 1U chassis layouts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fast rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH1604D | Same 400 V VRRM and 16 A I(AV), but Trr = 45 ns and VF = 1.25 V @ 16 A - higher conduction and switching loss. | Qualified to industrial grade only (not AEC-Q101); unsuitable for automotive under-hood deployment. | Select when cost sensitivity outweighs automotive qualification and 10 ns slower recovery is acceptable in <200 kHz designs. |
| VS-16CTQ045PbF | 45 V VRRM, Schottky architecture - zero reverse recovery but limited to ≤45 V blocking; VF = 0.55 V @ 16 A. | Only viable in low-voltage DC–DC outputs (e.g., 3.3 V, 5 V, 12 V rails); cannot replace STPR1640CTW in 48 V+ input stages. | Choose for secondary-side rectification where low VF dominates efficiency, provided system voltage stays below 45 V. |
Compared with STTH1604D and VS-16CTQ045PbF, STPR1640CTW uniquely balances 400 V blocking, 35 ns speed, AEC-Q101 qualification, and TO-220AB thermal performance-making it the only option for automotive 48 V front-end rectification requiring both reliability and high-frequency efficiency.
Availability
STPR1640CTW is available at Aetrix Electronics and suitable for automotive power conversion, industrial SMPS design, and telecom backup systems requiring stable component supply and long-term lifecycle assurance.
Supply support for STPR1640CTW 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and North America.
This device belongs to Diodes' high-reliability rectifier product line, engineered specifically for automotive and industrial power conversion where fast recovery, thermal robustness, and AEC-Q101 compliance are mandatory.
FAQ
Is STPR1640CTW pin-compatible with STPR1640CT?
Yes - STPR1640CTW and STPR1640CT share identical TO-220AB pinout, electrical specifications, and thermal characteristics. The "W" suffix denotes RoHS-compliant, halogen-free packaging per Diodes' Green initiative, with no functional or mechanical differences affecting PCB layout or thermal interface design.
What is the maximum allowable case temperature for continuous 16 A operation?
The datasheet specifies I(AV) = 16 A at TC = 110°C. Operation at higher case temperatures requires derating: at TC = 125°C, average current drops to approximately 13.5 A, and at TC = 140°C, it falls to ~9.5 A, per Figure 1's forward current derating curve.
Can STPR1640CTW be used in synchronous rectification topologies?
No - STPR1640CTW is a passive silicon PN-junction rectifier, not a MOSFET-based synchronous rectifier. It lacks gate control and cannot be actively switched. It serves only as a freewheeling or output rectifier in non-synchronous topologies such as flyback, forward, or half-bridge converters.
Does the metal tab carry electrical potential, and how should it be mounted?
Yes - the metal tab is internally connected to the common cathode (Pin 2). It must be electrically insulated from the heatsink unless the cathode node is at system ground potential. When isolation is required, use mica or polymer insulating washers with thermal grease to maintain RthJC ≈ 2°C/W performance.
STPR1640CTW Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- TO-220-3
- Packaging:
- Tube
- Product Status:
- Active
- Diode Configuration:
- 1 Pair Common Cathode
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 400 V
- Current - Average Rectified (Io) (per Diode):
- 16A
- Voltage - Forward (Vf) (Max) @ If:
- 1.5 V @ 16 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 35 ns
- Current - Reverse Leakage @ Vr:
- 10 µA @ 400 V
- Operating Temperature - Junction:
- -55°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-220AB
STPR1640CTW FAQ
1.How can I place an order for STPR1640CTW through Aetrix?
Please submit a Request for Quotation (RFQ) for STPR1640CTW 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 STPR1640CTW reliable?
The price and inventory of STPR1640CTW are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STPR1640CTW is usually 5 days.
3.What payment methods are accepted for STPR1640CTW?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STPR1640CTW transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STPR1640CTW?
STPR1640CTW orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STPR1640CTW 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 STPR1640CTW?
For technical support, including STPR1640CTW datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STPR1640CTW requirements.
6.How does Aetrix verify that STPR1640CTW is sourced from the original manufacturer or authorized distributors?
All STPR1640CTW 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 STPR1640CTW meets industry standards.
7.What is the process for return or replacement of STPR1640CTW?
All STPR1640CTW units undergo pre-shipment inspection (PSI). If there is an issue with STPR1640CTW, 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 STPR1640CTW part is unused and in its original packaging.
Return procedure for STPR1640CTW:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
STPR1640CTW Tags
-
BAV99-7-F
Diodes Incorporated
-
BAT54C-7-F
Diodes Incorporated
-
BAV99,215
Nexperia USA Inc.
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BAT54SLT1G
onsemi
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BAV70LT1G
onsemi
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BAT54CLT1G
onsemi
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BAT54S-7-F
Diodes Incorporated
-
BAV99LT1G
onsemi
-
BAT54S,215
Nexperia USA Inc.
-
BAS40-04LT1G
onsemi
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MMBD1503-TP
Micro Commercial Co
-
BAV99WT1G
onsemi
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