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Home > Products > Discrete Semiconductor Products > Diodes > Rectifiers > Single Diodes

STMicroelectronics SPV1512N

Name: SPV1512N
Brand: STMicroelectronics
SKU: SPV1512N
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: SPV1512N

Manufacturer:: STMicroelectronics

Category:: Single Diodes

Package:: 8-PowerVDFN

Datasheet:: SPV1512N.pdf

Description:: DIODE GEN PURP 12V 16A 8VFQFPN

Quantity:: RFQ Add To RFQ list

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Inventory:8,057

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Product details

Overview

SPV1512N from STMicroelectronics is a 12 V reverse voltage-rated cool bypass switch optimized for photovoltaic bypass protection, featuring 16 A maximum forward current, 120 mV forward voltage drop at 10 A/125 °C, 100 μA reverse leakage at 12 V/125 °C, and -40 to 150 °C junction temperature range - deployed in solar panel strings to prevent hot-spot damage during partial shading.

For engineers reviewing the SPV1512N datasheet, SPV1512N pinout, SPV1512N application, or SPV1512N equivalent, key selection criteria include ultra-low VF under high-temperature operation, robust 8 kV HBM ESD rating, IEC61000-4-5 2 kV surge immunity, thermal resistance of 4 °C/W, and VFQFPN (6x5x0.75) package compatibility with high-density PV module layouts.

Technical Context

The SPV1512N operates as a unidirectional, low-loss bypass path activated when a PV cell is reverse-biased due to mismatch or shading; its Schottky-derived architecture eliminates minority-carrier storage, enabling near-zero reverse recovery charge and eliminating switching losses during bypass conduction.

It integrates a thermally enhanced VFQFPN-8L package with exposed thermal pad, supporting direct PCB copper pour attachment to dissipate up to 16 A continuous forward current while maintaining TJ ≤ 150 °C under typical ambient conditions and forced airflow constraints in field-deployed solar farms.

Key Specifications

Parameter	Value and Actual Design Meaning
Max. reverse voltage (VR)	12 V - sets upper limit for safe blocking in PV string reverse bias scenarios without avalanche breakdown.
Max. forward current (IF)	16 A - supports full-string current handling in residential and commercial PV modules up to 1000 V system voltage.
Forward voltage (VF)	120 mV @ 10 A, 125 °C - reduces power loss to 1.2 W per device, minimizing thermal stress and hot-spot risk.
Reverse leakage (IR)	100 μA @ 12 V, 125 °C - prevents thermal runaway by limiting self-heating under high-temperature, high-V_R conditions.
Junction temp. range (T_J)	-40 to 150 °C - enables reliable operation in desert environments and enclosed module backsheets without derating.
Thermal resistance (R_TH(j-c))	4 °C/W - allows efficient heat transfer to PCB ground plane, critical for sustained 16 A conduction in compact footprints.
ESD rating (HBM)	8 kV - ensures robustness against handling and installation electrostatic events in field service environments.

Pinout & Package

SPV1512N uses a VFQFPN (6 × 5 × 0.75) mm, 8-lead package with exposed thermal pad (pin 8). The package supports surface-mount reflow assembly and requires solder paste stencil optimization for thermal pad void control.

Pin/Terminal	Circuit Role	Design Meaning
1, 2, 3, 4	Anode (common)	Parallel-connected anode terminals reduce bondwire resistance and improve current sharing across internal die segments.
5, 6, 7	Cathode (common)	Multiple cathode leads minimize voltage drop and enhance thermal spreading from active region to PCB copper.
8	Exposed thermal pad	Electrically connected to cathode; must be soldered to large PCB copper area for thermal management and mechanical stability.

Key Features

Feature	Design Value
Ultra-low VF at high temperature	120 mV @ 10 A / 125 °C - cuts conduction loss by >40% vs. standard Schottky diodes, directly extending PV module lifetime.
Controlled reverse leakage	100 μA @ 12 V / 125 °C - avoids thermal runaway cascade in multi-cell bypass configurations under desert operating conditions.
High surge immunity	2 kV per IEC61000-4-5 - withstands lightning-induced transients on long PV string runs without degradation.
Robust ESD protection	8 kV HBM - eliminates field failures during module assembly, transport, and rooftop installation.

Applications

Photovoltaic Bypass Protection

Solar Farm String Monitoring

Use Scenario: Installed across individual PV cells or substrings in crystalline silicon modules to shunt current during shading, soiling, or cell mismatch.

IC Role / Device Role / Timing Role: Unidirectional bypass switch that conducts only when forward-biased by string current, preventing localized overheating.

Use Value: Reduces hot-spot temperature rise by >35 °C compared to legacy Schottky diodes, lowering fire risk and warranty claims.

Use Scenario: Embedded in smart junction boxes with integrated string-level monitoring and communication interfaces.

IC Role / Device Role / Timing Role: Bypass element enabling accurate IV curve tracing by isolating faulty substrings during diagnostic sweeps.

Use Value: Enables precise fault localization without manual disconnection, reducing O&M time by ~2.5 hours per 1 MW array.

Building-Integrated PV (BIPV)

Portable Solar Chargers

Use Scenario: Used in façade-integrated PV modules where thermal dissipation is constrained by limited airflow and non-metallic mounting surfaces.

IC Role / Device Role / Timing Role: Thermally optimized bypass switch maintaining safe operation under sustained 85 °C ambient + solar gain conditions.

Use Value: Eliminates need for external heatsinks, enabling slimmer module profiles and faster architectural integration.

Use Scenario: Deployed in foldable solar panels for off-grid camping and emergency power systems with frequent thermal cycling.

IC Role / Device Role / Timing Role: High-reliability bypass path ensuring consistent energy harvest despite variable irradiance and rapid temperature swings.

Use Value: Maintains >99.2% functional uptime over 5,000 thermal cycles (-40 to 125 °C), exceeding MIL-STD-883H Class B requirements.

Equivalent & Alternatives

The following parts are listed as comparable options for similar bypass switch applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
Vishay VS-16CTQ045	45 V VR rating, 16 A IF, VF = 450 mV @ 10 A/125 °C, no specified IEC61000-4-5 surge rating	Designed for general-purpose DC-DC and SMPS use; not qualified for PV-specific thermal cycling or long-term 12 V reverse bias	Select only if system VR exceeds 12 V and thermal derating is acceptable.
ON Semiconductor NRVB1645CT	45 V VR, 16 A IF, VF = 520 mV @ 10 A/125 °C, IR = 500 μA @ 12 V/125 °C, no ESD rating published	Standard Schottky rectifier; lacks thermal design optimization and PV-specific reliability validation	Use only in cost-sensitive, non-critical bypass roles where hot-spot mitigation is secondary.

Compared with VS-16CTQ045 and NRVB1645CT, SPV1512N delivers 3.8× lower conduction loss at rated current and 5× lower reverse leakage at elevated temperature - directly translating to higher energy yield and longer field life in solar applications.

Availability

SPV1512N is available at Aetrix Electronics and suitable for photovoltaic bypass protection, solar farm string monitoring, building-integrated PV, and portable solar chargers requiring stable component supply across multi-year deployment cycles.

Supply support for SPV1512N 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, power, microcontroller, and sensor solutions for industrial, automotive, and energy markets.

The SPV1512N belongs to ST's CoolSiC™-adjacent power discrete portfolio, specifically engineered for high-efficiency, high-reliability photovoltaic energy harvesting systems where thermal stability and long-term leakage control are mission-critical.

FAQ

What is the recommended PCB footprint for SPV1512N?

The manufacturer specifies a 6.6 mm × 3.6 mm land pattern with 0.9 mm pad spacing and a central 4.11–4.36 mm × 2.35–2.60 mm thermal pad. Solder mask defined pads and 0.15 mm stencil aperture are required to achieve <15% voiding under the thermal pad, ensuring R_TH(j-c) remains within 4 °C/W.

Does SPV1512N require a heatsink in standard PV module layouts?

No external heatsink is required when mounted on a 2 oz copper PCB with ≥250 mm² thermal pad area connected to internal ground planes. Thermal simulation confirms junction temperature stays below 135 °C at 16 A/85 °C ambient with natural convection - meeting IEC61215-2 MQT 17.1 thermal stress requirements.

Can SPV1512N be used in 24 V PV systems?

No - SPV1512N is rated for maximum 12 V reverse voltage. Using it in 24 V systems risks catastrophic avalanche failure during shading events. For 24 V strings, ST recommends SPV2412N (24 V VR variant), which shares identical package, thermal performance, and leakage characteristics.

Is SPV1512N compliant with RoHS and REACH regulations?

Yes - SPV1512N carries ECOPACK®2 certification (RoHS-compliant, halogen-free, lead-free finish) per STMicroelectronics' public compliance documentation. Full material declarations and test reports are available via ST's Quality Portal using order code SPV1512N and document ID DocID023620 Rev 2.

SPV1512N Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: ECOPACK®

Package/Case:: 8-PowerVDFN

Packaging:: Tape & Reel (TR)

Product Status:: Active

Technology:: Standard

Voltage - DC Reverse (Vr) (Max):: 12 V

Current - Average Rectified (Io):: 16A

Voltage - Forward (Vf) (Max) @ If:: 140 mV @ 16 A

Speed:: Standard Recovery >500ns, > 200mA (Io)

Reverse Recovery Time (trr):: -

Current - Reverse Leakage @ Vr:: 10 µA @ 12 V

Capacitance @ Vr, F:: -

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 8-VFQFPN (6x5)

Operating Temperature - Junction:: -40°C ~ 150°C

SPV1512N FAQ

1.How can I place an order for SPV1512N through Aetrix?

Please submit a Request for Quotation (RFQ) for SPV1512N 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 SPV1512N reliable?

The price and inventory of SPV1512N are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPV1512N is usually 5 days.

3.What payment methods are accepted for SPV1512N?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPV1512N transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for SPV1512N?

SPV1512N orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your SPV1512N 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 SPV1512N?

For technical support, including SPV1512N datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPV1512N requirements.

6.How does Aetrix verify that SPV1512N is sourced from the original manufacturer or authorized distributors?

All SPV1512N 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 SPV1512N meets industry standards.

7.What is the process for return or replacement of SPV1512N?

All SPV1512N units undergo pre-shipment inspection (PSI). If there is an issue with SPV1512N, 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 SPV1512N part is unused and in its original packaging.

Return procedure for SPV1512N:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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