Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

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

Taiwan Semiconductor Corporation S1JLWH

Name: S1JLWH
Brand: Taiwan Semiconductor Corporation
SKU: S1JLWH
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: S1JLWH

Manufacturer:: Taiwan Semiconductor Corporation

Category:: Single Diodes

Package:: SOD-123W

Datasheet:: S1JLWH.pdf

Description:: DIODE GEN PURP 600V 1A SOD123W

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:28,574

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

S1JLWH from Taiwan Semiconductor is a 600 V, 1 A standard surface-mount silicon rectifier diode in SOD-123W package, rated for 30 A non-repetitive surge current and operating up to 175 °C junction temperature, used in automotive lighting and DC-DC converter snubber circuits.

For engineers reviewing the S1JLWH datasheet, S1JLWH pinout, S1JLWH application, or S1JLWH equivalent, key selection criteria include repetitive peak reverse voltage (600 V), forward voltage at 1 A (≤1.1 V), reverse leakage at 125 °C (≤50 µA), thermal resistance (R_θJA = 80 °C/W), and AEC-Q101 qualification status.

Technical Context

The S1JLWH is a single-die, planar passivated silicon PN junction rectifier optimized for high-efficiency, high-temperature operation in automotive and industrial power conversion. Its 600 V V_RRM, 1 A average forward current, and 30 A I_FSM support robust transient handling in snubber and flyback clamp applications.

Thermal performance is defined by R_θJL = 25 °C/W and R_θJA = 80 °C/W under standard PCB mounting conditions. The device features matte tin-plated leads compliant with J-STD-002 solderability and meets JESD201 Class 2 whisker resistance.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	600 V - Maximum repetitive reverse blocking voltage; defines safe operating range in DC-DC clamp and automotive lighting circuits.
I_F	1 A - Continuous average forward current at T_A = 75 °C; determines steady-state power dissipation capability.
I_FSM	30 A - Peak non-repetitive surge current (8.3 ms half-sine); enables reliable operation during load dump or inductive switching events.
V_F	≤1.1 V @ I_F = 1 A, T_J = 25 °C - Forward voltage drop directly impacts conduction loss and thermal design margin.
I_R	≤50 µA @ V_R = 600 V, T_J = 125 °C - High-temperature reverse leakage affects standby power and system reliability in hot environments.
T_J max	175 °C - Maximum junction temperature rating supports under-hood automotive deployment without derating penalties.
C_J	8 pF @ 1 MHz, V_R = 4 V - Junction capacitance influences high-frequency switching behavior and EMI in snubber networks.

Pinout & Package

Package: SOD-123W - Surface-mount plastic case with gull-wing leads, UL 94V-0 rated molding compound, cathode band polarity marking, and 0.019 g typical weight.

Pin/Terminal	Circuit Role	Design Meaning
Anode	Forward current entry point	Connected to lower-potential side of circuit; must withstand surge current and thermal cycling in automotive applications.
Cathode	Forward current exit / reverse blocking terminal	Marked by band; carries full reverse voltage and defines clamping level in snubber networks.

Key Features

Feature	Design Value
AEC-Q101 qualified	Validated for automotive-grade reliability including temperature cycling, HTRB, and HTGB testing per stress test conditions.
Moisture sensitivity level 1	No floor life limitation or bake requirement before reflow; compatible with standard SMT assembly lines without special handling.
High surge current capability (30 A)	Enables use in unclamped inductive load switching without external protection components in cost-sensitive designs.
Low forward voltage (≤1.1 V)	Reduces conduction losses by ~15% vs. comparable 600 V rectifiers, improving efficiency in 12 V automotive DC-DC stages.
Halogen-free construction	Complies with IEC 61249-2-21; eliminates brominated flame retardants for RoHS-compliant end-product certification.

Applications

Automotive LED Lighting	DC-DC Converter Snubber
Use Scenario: Reverse polarity protection and freewheeling path in 12 V/24 V LED headlamp drivers. IC Role / Device Role / Timing Role: Standard rectifier providing unidirectional current flow and voltage clamping during MOSFET turn-off. Use Value: AEC-Q101 qualification and 175 °C T_J max ensure long-term reliability in sealed, thermally constrained lamp housings.	Use Scenario: Energy dissipation path across transformer primary in flyback converters for infotainment power supplies. IC Role / Device Role / Timing Role: Clamp diode absorbing leakage inductance energy during switch-off transitions. Use Value: 30 A I_FSM and low C_J (8 pF) minimize voltage overshoot and improve EMI profile compared to higher-capacitance alternatives.
Industrial Power Supply Input Stage	General-Purpose AC/DC Bridge Leg
Use Scenario: Input rectification in compact 5–15 W industrial wall adapters operating in ambient temperatures up to 85 °C. IC Role / Device Role / Timing Role: Single-phase rectifier converting AC line to DC bus with minimal thermal footprint. Use Value: R_θJA = 80 °C/W and 1 A I_F rating allow direct PCB trace heatsinking without copper pour, reducing BOM count.	Use Scenario: Replacement for one leg of discrete bridge rectifiers in low-power auxiliary supplies. IC Role / Device Role / Timing Role: Discrete rectifying element enabling modular layout and selective voltage rating selection (e.g., 600 V for 230 VAC input). Use Value: SOD-123W footprint provides standardized, automated placement compatibility while supporting 600 V isolation margin over peak line voltage.

Automotive LED Lighting

DC-DC Converter Snubber

Use Scenario: Reverse polarity protection and freewheeling path in 12 V/24 V LED headlamp drivers.

IC Role / Device Role / Timing Role: Standard rectifier providing unidirectional current flow and voltage clamping during MOSFET turn-off.

Use Value: AEC-Q101 qualification and 175 °C T_J max ensure long-term reliability in sealed, thermally constrained lamp housings.

Use Scenario: Energy dissipation path across transformer primary in flyback converters for infotainment power supplies.

IC Role / Device Role / Timing Role: Clamp diode absorbing leakage inductance energy during switch-off transitions.

Use Value: 30 A I_FSM and low C_J (8 pF) minimize voltage overshoot and improve EMI profile compared to higher-capacitance alternatives.

Industrial Power Supply Input Stage

General-Purpose AC/DC Bridge Leg

Use Scenario: Input rectification in compact 5–15 W industrial wall adapters operating in ambient temperatures up to 85 °C.

IC Role / Device Role / Timing Role: Single-phase rectifier converting AC line to DC bus with minimal thermal footprint.

Use Value: R_θJA = 80 °C/W and 1 A I_F rating allow direct PCB trace heatsinking without copper pour, reducing BOM count.

Use Scenario: Replacement for one leg of discrete bridge rectifiers in low-power auxiliary supplies.

IC Role / Device Role / Timing Role: Discrete rectifying element enabling modular layout and selective voltage rating selection (e.g., 600 V for 230 VAC input).

Use Value: SOD-123W footprint provides standardized, automated placement compatibility while supporting 600 V isolation margin over peak line voltage.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
STTH1L06S	600 V V_RRM, 1 A I_F, but VF = 1.15 V (max) and no AEC-Q101 qualification.	Not approved for automotive use; suitable only for industrial/commercial power supplies.	Select when AEC-Q101 compliance is not required and slightly higher conduction loss is acceptable.
ON Semi MUR1060	600 V V_RRM, 1 A I_F, but TO-277 package (larger footprint) and I_FSM = 25 A (lower surge tolerance).	Requires PCB redesign due to different outline; less robust in high-surge automotive transients.	Select only if legacy TO-277 layout exists and surge margin is not critical.

Compared with STTH1L06S and MUR1060, the S1JLWH delivers automotive-grade reliability, superior surge capability (30 A), and smaller SOD-123W footprint-making it optimal for space-constrained, high-reliability 12 V/24 V systems where thermal and mechanical robustness are prioritized.

Availability

S1JLWH is available at Aetrix Electronics and suitable for automotive LED lighting, DC-DC converter snubbers, and industrial power supply input stages requiring stable component supply and AEC-Q101 assurance.

Supply support for S1JLWH 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

Taiwan Semiconductor Corporation (TSC) is a vertically integrated analog and discrete semiconductor manufacturer headquartered in Hsinchu, Taiwan, serving automotive, industrial, and consumer markets since 1979.

The S1JLWH belongs to TSC's S1xLWH family of AEC-Q101-qualified standard rectifiers designed specifically for high-temperature, high-reliability automotive power management and industrial snubber applications.

FAQ

What is the maximum repetitive peak reverse voltage rating for S1JLWH?

The S1JLWH has a maximum repetitive peak reverse voltage (V_RRM) of 600 V, as specified in the absolute maximum ratings table. This value is fixed for the S1JLWH variant and confirmed across all official Taiwan Semiconductor documentation versions (B2109). It defines the highest continuous reverse-bias voltage the S1JLWH can block without breakdown under normal operating conditions.

Is S1JLWH qualified for automotive applications?

Yes, the S1JLWH is explicitly AEC-Q101 qualified per the manufacturer's datasheet. This qualification covers stress tests including high-temperature reverse bias (HTRB), high-temperature gate bias (HTGB), temperature cycling, and unbiased highly accelerated stress testing (UHAST), confirming suitability for under-hood and lighting modules in passenger vehicles and commercial vehicles.

What package type does S1JLWH use, and what are its key mechanical attributes?

The S1JLWH uses the SOD-123W surface-mount package. Key mechanical attributes include UL 94V-0 flammability-rated molding compound, matte tin-plated gull-wing leads compliant with J-STD-002, cathode band polarity marking, and a typical weight of 0.019 g. The package supports automated placement and reflow soldering without moisture sensitivity concerns (MSL Level 1).

What is the forward voltage of S1JLWH at rated current and room temperature?

The forward voltage (V_F) of the S1JLWH is ≤1.1 V at I_F = 1 A and T_J = 25 °C, as stated in the electrical specifications table. This value is measured under pulsed conditions (PW = 0.3 ms) and represents the maximum conduction loss under nominal operating conditions, directly impacting thermal design and efficiency in power stage applications.

Does S1JLWH have halogen-free and RoHS-compliant construction?

Yes, the S1JLWH is both RoHS compliant and halogen-free per IEC 61249-2-21. Taiwan Semiconductor confirms this in the FEATURES section and MECHANICAL DATA, ensuring compatibility with environmental regulations for automotive and industrial end equipment without compromising flame-retardant performance (UL 94V-0).

S1JLWH Specifications

Product attributes: Attribute value

Manufacturer:: Taiwan Semiconductor Corporation

Series:: -

Package/Case:: SOD-123W

Packaging:: Tape & Reel (TR)

Product Status:: Active

Technology:: Standard

Voltage - DC Reverse (Vr) (Max):: 600 V

Current - Average Rectified (Io):: 1A

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

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

Reverse Recovery Time (trr):: -

Current - Reverse Leakage @ Vr:: 1 µA @ 600 V

Capacitance @ Vr, F:: -

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SOD-123W

Operating Temperature - Junction:: -55°C ~ 175°C

S1JLWH FAQ

1.How can I place an order for S1JLWH through Aetrix?

Please submit a Request for Quotation (RFQ) for S1JLWH 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 S1JLWH reliable?

The price and inventory of S1JLWH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S1JLWH is usually 5 days.

3.What payment methods are accepted for S1JLWH?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S1JLWH transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for S1JLWH?

S1JLWH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your S1JLWH 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 S1JLWH?

For technical support, including S1JLWH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S1JLWH requirements.

6.How does Aetrix verify that S1JLWH is sourced from the original manufacturer or authorized distributors?

All S1JLWH 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 S1JLWH meets industry standards.

7.What is the process for return or replacement of S1JLWH?

All S1JLWH units undergo pre-shipment inspection (PSI). If there is an issue with S1JLWH, 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 S1JLWH part is unused and in its original packaging.

Return procedure for S1JLWH:

1.Submit a request within 90 days.

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

Tech Hub

2026-09-09 Counterfeit Electronic Components: How to Detect, Authenticate, and Test Suspect Parts

Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …

2026-09-08 Obsolete Electronic Components: How to Source and Evaluate Replacements

A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.

2026-09-07 TTL vs CMOS Logic Levels: 74HC and 74HCT Compatibility Explained

TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.

2026-09-04 Logic Level Shifter: How to Connect 3.3V and 5V Logic Safely

A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.

2026-09-03 74HC595 vs TPIC6B595: Output Drive, Pinout, Current, and Load Selection

The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…

2026-09-02 74HC595 Pinout, Timing, Output Current, and Applications

The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…

2026-09-01 Latch vs Flip-Flop: Timing, Differences and Design Choices

A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…

2026-08-30 D Latch Circuit: Truth Table, Timing, ICs and Applications

A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …

2026-08-28 SR Latch Explained: NOR and NAND Circuits, Truth Tables, and Applications

An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…

2026-08-27 Latch Circuit: SR and D Latches, Truth Tables, Timing, and Applications

Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…