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

Diodes Incorporated SBL1630

Name: SBL1630
Brand: Diodes Incorporated
SKU: SBL1630
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: SBL1630

Manufacturer:: Diodes Incorporated

Category:: Single Diodes

Package:: TO-220-2

Datasheet:: SBL1630.pdf

Description:: DIODE SCHOTTKY 30V 16A TO220AC

Quantity:: RFQ Add To RFQ list

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Inventory:6,091

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Product details

Overview

SBL1630 from Diodes Incorporated is a 16A, 30V Schottky barrier rectifier in TO-220AC package, designed for low-voltage, high-frequency power conversion. It delivers 0.57V forward voltage at 16A/25°C, 275A non-repetitive surge capability, and 3.5°C/W thermal resistance junction-to-case-enabling efficient free-wheeling and polarity protection in DC-DC converters and industrial power supplies.

For engineers reviewing the SBL1630 datasheet, SBL1630 pinout, SBL1630 application, or SBL1630 equivalent, key selection criteria include forward voltage drop at rated current, thermal resistance under heatsink mounting, peak repetitive reverse voltage margin, and surge current handling in inductive switching circuits.

Technical Context

The SBL1630 employs a Schottky barrier die with guard ring construction to suppress transient-induced avalanche failure and improve ruggedness. Its low V_F and fast recovery (no minority carrier storage) minimize conduction and switching losses in high-frequency rectification.

Rated for 16A average forward current at T_C = 95°C with mandatory heatsink mounting, it operates across –65°C to +150°C junction temperature range and exhibits 700pF junction capacitance at 4V reverse bias-critical for EMI-sensitive SMPS input stages.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	30 V - Maximum repetitive reverse blocking voltage before breakdown; sets minimum isolation margin in 24V bus polarity protection.
I_O	16 A - Average rectified output current at case temperature 95°C with heatsink; defines continuous power-handling capacity.
V_FM	0.57 V - Forward voltage drop at 16A and 25°C; directly determines conduction loss (9.12W at full load).
I_FSM	275 A - Non-repetitive 8.3ms half-sine surge rating; supports motor-start and inrush current tolerance.
R_θJC	3.5 °C/W - Thermal resistance junction-to-case; enables thermal design with known heatsink interface resistance.
C_j	700 pF - Junction capacitance at 4V reverse bias and 1MHz; impacts high-frequency switching noise and snubber sizing.

Pinout & Package

Package: TO-220AC - Molded plastic case (UL 94V-0), 2.24g mass, tin-plated terminals solderable per MIL-STD-202 Method 208, with integral metal tab serving as cathode terminal and mechanical mounting surface.

Pin/Terminal	Circuit Role	Design Meaning
Pin 1 (Lead)	Anode	Primary current entry point; connects to input/source side of rectification path.
Pin 2 (Lead)	Cathode	Current exit node; electrically tied to metal tab for low-inductance, high-current return path.
Metal Tab	Cathode / Thermal Interface	Provides simultaneous electrical connection and thermal conduction to heatsink; must be electrically isolated if circuit ground is not cathode-referenced.

Key Features

Feature	Design Value
Guard ring die construction	Suppresses edge breakdown during voltage transients, improving reliability in noisy industrial environments.
Low forward voltage (0.57V @16A)	Reduces conduction loss by ~30% vs. comparable silicon diodes, enabling higher efficiency in 12–24V systems.
275A surge rating	Withstands motor startup surges and capacitor inrush without degradation, eliminating need for external current limiting.
TO-220AC package with metal tab	Enables direct bolt-down heatsinking with <3.5°C/W thermal path, supporting compact high-power designs.

Applications

DC-DC Converter Output Rectification

Automotive Battery Polarity Protection

Use Scenario: Secondary-side synchronous rectification replacement in 12V/24V isolated flyback or forward converters.

IC Role / Device Role / Timing Role: Uncontrolled power diode providing low-loss unidirectional current path during freewheeling phase.

Use Value: 0.57V V_F reduces output rectification loss by >2W vs. standard PN diode at 16A, improving thermal margin and efficiency.

Use Scenario: Reverse-voltage protection on vehicle infotainment or ADAS module inputs connected to battery rail.

IC Role / Device Role / Timing Role: Series-connected anode-in configuration blocking reverse current during jump-start or battery misconnection.

Use Value: 30V V_RRM provides 25% margin over 24V nominal automotive system, while 275A I_FSM survives cranking transients.

Industrial Motor Drive Freewheeling

UPS Inverter Output Stage

Use Scenario: Freewheeling path across inductive loads (e.g., solenoids, relay coils, BLDC phase windings) in PLC output modules.

IC Role / Device Role / Timing Role: Clamping diode dissipating stored inductive energy during switch-off transitions.

Use Value: Fast recovery and low V_F minimize voltage overshoot and power dissipation during repeated switching at up to 20kHz.

Use Scenario: Output rectification in line-interactive UPS inverters converting 350V DC bus to 230V AC via H-bridge.

IC Role / Device Role / Timing Role: Half-wave rectifier in bootstrap supply or auxiliary DC link sensing circuitry.

Use Value: 700pF C_j limits capacitive coupling noise into control logic; TO-220AC tab ensures stable thermal performance under 100% duty cycle.

Equivalent & Alternatives

The following parts are listed as comparable options for similar Schottky rectifier applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
Vishay VS-16CTQ030PbF	Same 30V V_RRM, 16A I_O, but 0.52V V_F @16A and 2.5°C/W R_θJC; TO-220AC package.	Lower conduction loss and better thermal performance; suitable where board space allows identical footprint.	Select for highest efficiency in thermally constrained 24V systems; verify layout compatibility with Vishay's leadframe geometry.
ON Semiconductor MBR1630CT	Dual common-cathode configuration (16A per diode), 30V V_RRM, 0.62V V_F @16A, TO-220AB package with insulated tab.	Provides dual-diode functionality for center-tapped or dual-output topologies; insulated tab eliminates need for isolation hardware.	Choose when dual independent Schottky paths are required; note higher V_F and different mounting requirements.

Compared with VS-16CTQ030PbF, SBL1630 trades 0.05V higher V_F for broader distributor availability and documented industrial qualification; versus MBR1630CT, it offers single-diode simplicity and lower thermal resistance but lacks dual-channel integration.

Availability

SBL1630 is available at Aetrix Electronics and suitable for DC-DC converter output rectification, automotive battery polarity protection, and industrial motor drive freewheeling requiring stable component supply and long-term industrial lifecycle support.

Supply support for SBL1630 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 and manufacturing operations across Asia and the US.

The SBL16xx series belongs to Diodes' high-current Schottky rectifier product line, engineered specifically for efficiency-critical 12–48V power systems where low V_F, robust surge handling, and thermal reliability are prioritized over ultra-low leakage.

FAQ

Is SBL1630 RoHS compliant?

Yes, SBL1630 features a lead-free finish and is RoHS compliant per EU Directive 2002/95/EC revision 13.2.2003, with exemptions applied for glass and high-temperature solder per Annex Notes 5 and 7. Tin-plated terminals meet MIL-STD-202 Method 208 solderability requirements.

Can SBL1630 be used without a heatsink?

No. The 16A average current rating assumes case temperature ≤95°C with proper heatsinking. Without a heatsink, derated current drops sharply-e.g., to ~4.5A at T_C = 75°C per Fig. 1-and sustained operation above 4A risks thermal runaway due to its positive V_F temperature coefficient.

What is the significance of the guard ring construction in SBL1630?

The guard ring die structure surrounds the active Schottky junction to distribute electric field stress and prevent premature edge breakdown during voltage transients. This improves ruggedness against repetitive surge events and enhances long-term reliability in industrial environments with frequent load dumps or inductive switching noise.

Why is SBL1630 marked "NOT RECOMMENDED FOR NEW DESIGN"?

This designation reflects Diodes Incorporated's internal product lifecycle status: newer alternatives (e.g., higher-efficiency Gen 4 Schottky or SiC diodes) are preferred for new projects. However, SBL1630 remains fully qualified, in active production, and supported for legacy design refresh, repair, and industrial maintenance programs with no announced obsolescence date.

SBL1630 Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Series:: -

Package/Case:: TO-220-2

Packaging:: Tube

Product Status:: Obsolete

Technology:: Schottky

Voltage - DC Reverse (Vr) (Max):: 30 V

Current - Average Rectified (Io):: 16A

Voltage - Forward (Vf) (Max) @ If:: 570 mV @ 16 A

Speed:: Fast Recovery =< 500ns, > 200mA (Io)

Reverse Recovery Time (trr):: -

Current - Reverse Leakage @ Vr:: 1 mA @ 30 V

Capacitance @ Vr, F:: -

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: TO-220AC

Operating Temperature - Junction:: -65°C ~ 150°C

SBL1630 FAQ

1.How can I place an order for SBL1630 through Aetrix?

Please submit a Request for Quotation (RFQ) for SBL1630 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 SBL1630 reliable?

The price and inventory of SBL1630 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SBL1630 is usually 5 days.

3.What payment methods are accepted for SBL1630?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SBL1630 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for SBL1630?

SBL1630 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your SBL1630 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 SBL1630?

For technical support, including SBL1630 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SBL1630 requirements.

6.How does Aetrix verify that SBL1630 is sourced from the original manufacturer or authorized distributors?

All SBL1630 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 SBL1630 meets industry standards.

7.What is the process for return or replacement of SBL1630?

All SBL1630 units undergo pre-shipment inspection (PSI). If there is an issue with SBL1630, 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 SBL1630 part is unused and in its original packaging.

Return procedure for SBL1630:

1.Submit a request within 90 days.

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

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