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

Vishay General Semiconductor - Diodes Division S1FLD-GS18

Name: S1FLD-GS18
Brand: Vishay General Semiconductor - Diodes Division
SKU: S1FLD-GS18
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: S1FLD-GS18

Manufacturer:: Vishay General Semiconductor - Diodes Division

Category:: Single Diodes

Package:: DO-219AB

Datasheet:: S1FLD-GS18.pdf

Description:: DIODE GP 200V 700MA DO219AB

Quantity:: RFQ Add To RFQ list

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Inventory:7,743

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Product details

Overview

S1FLD-GS18 from Vishay Semiconductors is a high-voltage standard recovery surface-mount rectifier diode with 200 V repetitive peak reverse voltage (V_RRM), 1.5 A average forward current at 75 °C case temperature, and 1800 ns reverse recovery time. It features glass passivation, wave/reflow solder compatibility, and is packaged in the low-profile SMF (DO-219AB) case for automated placement in power supply input stages.

For engineers reviewing the S1FLD-GS18 datasheet, S1FLD-GS18 pinout, S1FLD-GS18 application, or S1FLD-GS18 equivalent, key selection criteria include its 200 V blocking capability, 1.1 V typical forward voltage at 1 A, 10 µA max reverse leakage at 25 °C, thermal resistance of 180 K/W, and compatibility with SOD-123W footprint layouts.

Technical Context

The S1FLD-GS18 operates as a single-diode, unidirectional rectifier in AC-to-DC conversion circuits. Its 1800 ns reverse recovery time and 4 pF junction capacitance at 4 V/1 MHz indicate suitability for line-frequency and low-switching-speed applications-not fast-switching SMPS topologies.

Rated for 22 A non-repetitive surge current (8.3 ms half-sine), it supports transient overload conditions in offline power supplies. The SMF package enables mounting on 3 mm × 3 mm Cu pads (≥40 µm thick), delivering 0.7 A average forward current at 65 °C ambient per JEDEC JESD51-2.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	200 V - Supports rectification in 115 VAC and 230 VAC mains-input circuits with adequate safety margin.
I_F(AV)	1.5 A at T_L = 75 °C - Enables continuous conduction in compact adapter and open-frame PSU designs with localized heatsinking.
V_F	1.1 V typ. at 1 A - Limits conduction loss to ~1.1 W per diode, reducing thermal stress in linearly scaled rectifier strings.
t_rr	1800 ns - Compatible with 50/60 Hz and 400 Hz aircraft power systems; not suitable for >20 kHz switching.
R_thJA	180 K/W - Requires PCB copper area ≥3 mm × 3 mm (40 µm thick) to maintain T_j ≤150 °C at full load.
I_R	10 µA max at 25 °C - Ensures minimal standby power loss in energy-sensitive offline converters.

Pinout & Package

Package: SMF (DO-219AB), surface-mount, low-profile (max height 1.08 mm), cathode indicated by band. Compatible with SOD-123W, SOD-123F, and SOD-123FL footprints.

Pin/Terminal	Circuit Role	Design Meaning
Anode	Input terminal for forward-biased conduction	Connected to AC source or transformer secondary; must withstand full reverse voltage when cathode is positive.
Cathode	Output terminal for forward-biased conduction	Connected to bulk capacitor or DC bus; polarity band identifies this terminal for correct PCB orientation.

Key Features

Feature	Design Value
Glass passivated junction	Enhances long-term reliability under humid or contaminated environments without requiring conformal coating.
260 °C / 10 s solder tolerance	Supports robust reflow profiles including lead-free SAC305 without junction degradation or bond wire failure.
SMF (DO-219AB) package	Reduces board space vs. SMA/SMB while maintaining 1.5 A thermal rating-ideal for ultra-thin power adapters.
Wave and reflow solderable	Eliminates need for selective soldering or hand-soldering in high-volume manufacturing of consumer and industrial PSUs.

Applications

AC-DC Adapter Input Stage	Industrial Control Power Supply
Use Scenario: Rectifying 115/230 VAC mains into DC for wall-wart and desktop adapter primary-side circuits. IC Role / Device Role / Timing Role: Standard recovery rectifier performing full-wave or bridge configuration conduction. Use Value: 200 V V_RRM provides 2× safety margin over 230 VAC peak (325 V), while 1.1 V V_F limits no-load heating in Class VI-compliant designs.	Use Scenario: Providing auxiliary 12–24 VDC bias rails in PLC I/O modules and motor drive control boards. IC Role / Device Role / Timing Role: Single-phase rectifier in transformer-isolated, linear-regulated auxiliary supplies. Use Value: 1800 ns t_rr avoids commutation noise in low-frequency (<1 kHz) transformer-coupled topologies common in industrial analog signal conditioning.
LED Driver Bulk Capacitor Charging	Appliance Main Power Conversion
Use Scenario: Charging bulk electrolytic capacitors in non-isolated LED drivers for commercial lighting fixtures. IC Role / Device Role / Timing Role: High-voltage rectifier in single-ended flyback or capacitor-input filter stage. Use Value: 10 µA max I_R at 25 °C minimizes capacitor self-discharge during standby, extending hold-up time in dimmable drivers.	Use Scenario: Primary-side rectification in white goods (refrigerators, washing machines) with universal AC input. IC Role / Device Role / Timing Role: Bridge leg component in discrete full-wave rectifier assembly. Use Value: Glass passivation and -55 °C to +150 °C operating range ensure stable performance across wide ambient temperature swings in appliance enclosures.

AC-DC Adapter Input Stage

Industrial Control Power Supply

Use Scenario: Rectifying 115/230 VAC mains into DC for wall-wart and desktop adapter primary-side circuits.

IC Role / Device Role / Timing Role: Standard recovery rectifier performing full-wave or bridge configuration conduction.

Use Value: 200 V V_RRM provides 2× safety margin over 230 VAC peak (325 V), while 1.1 V V_F limits no-load heating in Class VI-compliant designs.

Use Scenario: Providing auxiliary 12–24 VDC bias rails in PLC I/O modules and motor drive control boards.

IC Role / Device Role / Timing Role: Single-phase rectifier in transformer-isolated, linear-regulated auxiliary supplies.

Use Value: 1800 ns t_rr avoids commutation noise in low-frequency (<1 kHz) transformer-coupled topologies common in industrial analog signal conditioning.

LED Driver Bulk Capacitor Charging

Appliance Main Power Conversion

Use Scenario: Charging bulk electrolytic capacitors in non-isolated LED drivers for commercial lighting fixtures.

IC Role / Device Role / Timing Role: High-voltage rectifier in single-ended flyback or capacitor-input filter stage.

Use Value: 10 µA max I_R at 25 °C minimizes capacitor self-discharge during standby, extending hold-up time in dimmable drivers.

Use Scenario: Primary-side rectification in white goods (refrigerators, washing machines) with universal AC input.

IC Role / Device Role / Timing Role: Bridge leg component in discrete full-wave rectifier assembly.

Use Value: Glass passivation and -55 °C to +150 °C operating range ensure stable performance across wide ambient temperature swings in appliance enclosures.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
STTH1L06U	Same V_RRM (600 V), higher I_F(AV) (1.6 A), faster t_rr (750 ns), DO-214AA (SMA) package	Higher voltage rating suits 230 VAC+ designs with tighter derating; faster recovery allows marginal use in 20 kHz PFC pre-regulators	Select when system requires >200 V blocking or improved surge margin; requires SMA footprint redesign.
ON Semi MUR120	Same V_RRM (200 V), same I_F(AV) (1.5 A), faster t_rr (75 ns), DO-41 through-hole package	Ultrafast recovery enables use in quasi-resonant flyback snubber networks; through-hole mounting limits automated assembly	Choose only for legacy through-hole production or where <100 ns t_rr is mandatory; incompatible with SMD-only lines.

Compared with STTH1L06U and MUR120, the S1FLD-GS18 offers optimized cost-performance balance for fixed 200 V line-frequency rectification in space-constrained SMD designs-without over-specifying speed or voltage, and avoiding footprint conversion overhead.

Availability

S1FLD-GS18 is available at Aetrix Electronics and suitable for AC-DC adapters, industrial control power supplies, LED driver bulk charging, and appliance main power conversion requiring stable component supply and consistent tape-and-reel delivery.

Supply support for S1FLD-GS18 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

Vishay Intertechnology is a global semiconductor manufacturer specializing in discrete components, sensors, and passive elements, with emphasis on reliability, precision, and high-power handling.

The S1FLD-GS18 belongs to Vishay's eSMP® Series of surface-mount rectifiers, engineered for high-voltage, high-reliability AC/DC front-end applications where low profile, automated assembly, and thermal robustness are critical.

FAQ

What is the maximum junction temperature rating for the S1FLD-GS18?

The S1FLD-GS18 has an operating junction temperature range of -55 °C to +150 °C. This rating is validated under specified thermal conditions-including mounting on 3 mm × 3 mm copper pads ≥40 µm thick-and enables reliable operation in enclosed industrial and consumer power supplies where ambient temperatures exceed 70 °C.

Is the S1FLD-GS18 compatible with lead-free reflow soldering processes?

Yes, the S1FLD-GS18 is rated for 260 °C / 10 s at terminals, fully compliant with IPC/JEDEC J-STD-020 moisture sensitivity level (MSL) requirements for lead-free reflow. Its glass passivated junction and SMF package ensure mechanical and electrical integrity across standard SAC305 thermal profiles.

Does the S1FLD-GS18 have a specified reverse recovery charge (Q_rr) value?

No, the official Vishay datasheet for S1FLD-GS18 does not specify reverse recovery charge (Q_rr). Only reverse recovery time (t_rr = 1800 ns) is provided under defined test conditions (I_F = 0.5 A, I_R = 1 A, I_rr = 0.25 A). Q_rr must be measured empirically or estimated using application-specific circuit conditions.

Can the S1FLD-GS18 replace the S1FLB-GS18 in a design?

No-the S1FLD-GS18 (200 V V_RRM) is not a direct replacement for the S1FLB-GS18 (100 V V_RRM). Substituting S1FLD-GS18 in a design originally specifying S1FLB-GS18 may result in unnecessary cost and size penalty, while offering no functional benefit unless the circuit requires >100 V blocking capability.

What is the marking code for the S1FLD-GS18 on the device body?

The S1FLD-GS18 is marked "FD" on its package body. This two-character laser marking appears adjacent to the cathode band and is used for visual identification and traceability during assembly and field service-consistent with Vishay's eSMP® Series marking convention across the S1FLx family.

S1FLD-GS18 Specifications

Product attributes: Attribute value

Manufacturer:: Vishay General Semiconductor - Diodes Division

Series:: -

Package/Case:: DO-219AB

Packaging:: Tape & Reel (TR)

Product Status:: Active

Technology:: Standard

Voltage - DC Reverse (Vr) (Max):: 200 V

Current - Average Rectified (Io):: 700mA

Voltage - Forward (Vf) (Max) @ If:: 1.1 V @ 1 A

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

Reverse Recovery Time (trr):: 1.8 µs

Current - Reverse Leakage @ Vr:: 10 µA @ 200 V

Capacitance @ Vr, F:: 4pF @ 4V, 1MHz

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: DO-219AB (SMF)

Operating Temperature - Junction:: -55°C ~ 150°C

S1FLD-GS18 FAQ

1.How can I place an order for S1FLD-GS18 through Aetrix?

Please submit a Request for Quotation (RFQ) for S1FLD-GS18 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 S1FLD-GS18 reliable?

The price and inventory of S1FLD-GS18 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S1FLD-GS18 is usually 5 days.

3.What payment methods are accepted for S1FLD-GS18?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S1FLD-GS18 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for S1FLD-GS18?

S1FLD-GS18 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your S1FLD-GS18 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 S1FLD-GS18?

For technical support, including S1FLD-GS18 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S1FLD-GS18 requirements.

6.How does Aetrix verify that S1FLD-GS18 is sourced from the original manufacturer or authorized distributors?

All S1FLD-GS18 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 S1FLD-GS18 meets industry standards.

7.What is the process for return or replacement of S1FLD-GS18?

All S1FLD-GS18 units undergo pre-shipment inspection (PSI). If there is an issue with S1FLD-GS18, 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 S1FLD-GS18 part is unused and in its original packaging.

Return procedure for S1FLD-GS18:

1.Submit a request within 90 days.

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

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