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 S1M R3G

Name: S1M R3G
Brand: Taiwan Semiconductor Corporation
SKU: S1M R3G
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: S1M R3G

Manufacturer:: Taiwan Semiconductor Corporation

Category:: Single Diodes

Package:: DO-214AC, SMA

Datasheet:: S1M R3G.pdf

Description:: DIODE GEN PURP 1KV 1A DO214AC

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:7,212

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

Product details

Overview

S1M R3G from Taiwan Semiconductor is a 1A, 1000V surface-mount silicon rectifier diode in DO-214AC (SMA) package, featuring glass-passivated junction, 1.1V max forward voltage at 1A/25°C, 1µA max reverse leakage at 25°C, and 1500ns reverse recovery time - used in snubber networks and DC-DC converters requiring high-voltage blocking.

For engineers reviewing the S1M R3G datasheet, S1M R3G pinout, S1M R3G application, or S1M R3G equivalent, key selection factors include peak repetitive reverse voltage (1000V), surge current rating (30A), thermal resistance (30°C/W junction-to-lead), RoHS/halogen-free compliance, and J-STD-020 Level 1 moisture sensitivity.

Technical Context

This standard recovery rectifier employs a single-die silicon PN junction with glass passivation for enhanced reliability under repetitive surge stress. Its 1000V V_RRM and 30A I_FSM support high-voltage transient suppression in switching power supplies.

The device exhibits 12pF junction capacitance at 4V reverse bias and 1500ns reverse recovery time under specified test conditions (I_F=0.5A, I_R=1.0A, I_rr=0.25A), confirming suitability for non-critical-frequency rectification rather than high-frequency synchronous designs.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	1000 V - maximum repetitive reverse voltage the diode blocks without breakdown
I_F	1 A - continuous average forward current rating at case temperature ≤75°C
I_FSM	30 A - non-repetitive peak forward surge current (8.3ms half-sine)
V_F	≤1.1 V - max forward voltage drop at 1A and 25°C junction temperature
I_R	≤1 µA - max reverse leakage current at rated V_R and 25°C junction temperature
t_rr	1500 ns - reverse recovery time under defined switching test conditions
R_θJL	30 °C/W - junction-to-lead thermal resistance, critical for heatsinking in high-power PCB layouts

Pinout & Package

Package: DO-214AC (SMA), surface-mount, cathode indicated by band on body, matte tin-plated leads, UL 94V-0 molding compound, 0.060g typical weight.

Pin/Terminal	Circuit Role	Design Meaning
Anode	Forward current entry point	Connected to lower-potential side of circuit during conduction; requires adequate copper pour for thermal dissipation
Cathode	Forward current exit / reverse voltage blocking terminal	Marked by band; connects to higher-potential node; determines polarity in bridge or snubber placement

Key Features

Feature	Design Value
Glass-passivated junction	Enables stable long-term operation under humidity and thermal cycling per J-STD-020 Level 1
Low forward voltage drop	Reduces conduction losses in 1A-level power conversion stages, improving efficiency in compact SMPS
RoHS and halogen-free compliance	Meets IEC 61249-2-21 and EU RoHS directives for environmentally constrained industrial and lighting applications
Automated placement compatibility	DO-214AC footprint and lead geometry support high-yield pick-and-place assembly without rework

Applications

DC-DC Converter	Snubber Network
Use Scenario: Secondary-side rectification in isolated flyback or forward converters operating up to 100kHz. IC Role / Device Role / Timing Role: Unidirectional current steering and voltage step-down via conduction during transformer reset phase. Use Value: 1000V V_RRM withstands reflected primary-side transients; 1.1V V_F limits power loss at 1A load current.	Use Scenario: Voltage clamping across MOSFET drains in hard-switched SMPS to suppress ringing and overshoot. IC Role / Device Role / Timing Role: Fast turn-on during voltage spike events to divert energy into RC network. Use Value: 30A I_FSM handles short-duration avalanche energy; 1500ns t_rr ensures reliable clamping without oscillation.
Lighting Application	Switching Inverter
Use Scenario: Input rectification in LED driver circuits with universal AC input (90–265VAC). IC Role / Device Role / Timing Role: AC-to-DC conversion stage before PFC or buck controller. Use Value: 175°C T_JMAX supports operation in thermally constrained enclosed luminaires; UL 94V-0 package enhances fire safety.	Use Scenario: Output rectification in low-frequency (<50kHz) motor drive inverters or UPS systems. IC Role / Device Role / Timing Role: Half-wave or full-wave rectification of inverter output prior to filtering. Use Value: 1000V blocking capability accommodates 600V+ bus voltages; DO-214AC allows dense layout in multi-phase modules.

DC-DC Converter

Snubber Network

Use Scenario: Secondary-side rectification in isolated flyback or forward converters operating up to 100kHz.

IC Role / Device Role / Timing Role: Unidirectional current steering and voltage step-down via conduction during transformer reset phase.

Use Value: 1000V V_RRM withstands reflected primary-side transients; 1.1V V_F limits power loss at 1A load current.

Use Scenario: Voltage clamping across MOSFET drains in hard-switched SMPS to suppress ringing and overshoot.

IC Role / Device Role / Timing Role: Fast turn-on during voltage spike events to divert energy into RC network.

Use Value: 30A I_FSM handles short-duration avalanche energy; 1500ns t_rr ensures reliable clamping without oscillation.

Lighting Application

Switching Inverter

Use Scenario: Input rectification in LED driver circuits with universal AC input (90–265VAC).

IC Role / Device Role / Timing Role: AC-to-DC conversion stage before PFC or buck controller.

Use Value: 175°C T_JMAX supports operation in thermally constrained enclosed luminaires; UL 94V-0 package enhances fire safety.

Use Scenario: Output rectification in low-frequency (<50kHz) motor drive inverters or UPS systems.

IC Role / Device Role / Timing Role: Half-wave or full-wave rectification of inverter output prior to filtering.

Use Value: 1000V blocking capability accommodates 600V+ bus voltages; DO-214AC allows dense layout in multi-phase modules.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
STTH1R06	600V V_RRM, 50ns t_rr, TO-277 package	Better suited for high-frequency PFC stages due to faster recovery	Select when <600V blocking suffices and faster switching is required
ON Semi MUR110	1000V V_RRM, 75ns t_rr, DO-41 through-hole	Requires PCB through-hole mounting; not surface-mount compatible	Choose only if legacy through-hole assembly is mandated and thermal design permits higher R_θJA

Compared with STTH1R06 and MUR110, the S1M R3G offers superior high-voltage robustness (1000V) in an automated SMT package but trades off speed (1500ns vs. sub-100ns), making it optimal for cost-sensitive, thermally managed, medium-frequency rectification where surge resilience matters most.

Availability

S1M R3G is available at Aetrix Electronics and suitable for DC-DC converters, snubber networks, lighting applications, and switching inverters requiring stable component supply with consistent DO-214AC packaging and 1000V rating.

Supply support for S1M R3G 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, specializing in power rectifiers, TVS devices, and protection ICs since 1979.

The S1M R3G belongs to TSC's S1x series of general-purpose surface-mount rectifiers, designed specifically for cost-effective, high-reliability AC/DC and DC/DC power conversion in industrial, lighting, and consumer power supplies.

FAQ

What is the maximum junction temperature rating for the S1M R3G?

The S1M R3G has a maximum junction temperature (T_J) of +175°C, enabling operation in high-ambient environments such as enclosed LED drivers or industrial power supplies. This rating is validated per absolute maximum ratings in the official TSC datasheet (Version S2102), and derating curves confirm usable current capacity down to −55°C storage temperature. Thermal design must maintain R_θJL = 30°C/W to avoid exceeding this limit under 1A DC load.

Does the S1M R3G meet RoHS and halogen-free requirements?

Yes, the S1M R3G is RoHS compliant and halogen-free per IEC 61249-2-21, as explicitly stated in the TSC product documentation. The device uses matte tin-plated leads and UL 94V-0 molding compound, satisfying environmental compliance for export to EU, China, and other regulated markets. No brominated flame retardants or chlorine-based additives are present in its construction.

What does the "R3G" suffix indicate in S1M R3G?

The "R3G" suffix in S1M R3G denotes Taiwan Semiconductor's internal date code and factory marking: "R" indicates year code (2023), "3" is week code (week 3), and "G" identifies the fabrication facility. It does not affect electrical specifications - all S1M devices share identical V_RRM = 1000V, I_F = 1A, and DO-214AC packaging regardless of R3G or other suffix variants.

Can the S1M R3G replace a 1N4007 in surface-mount designs?

No - while both are 1A/1000V rectifiers, the 1N4007 uses DO-41 through-hole packaging and lacks S1M R3G's glass passivation, J-STD-020 Level 1 moisture rating, and optimized SMT pad layout. Substituting S1M R3G for 1N4007 requires PCB redesign to accommodate DO-214AC footprint and reflow profile adjustments, but delivers improved automated assembly yield and thermal performance.

What is the reverse recovery time specification for the S1M R3G?

The S1M R3G has a reverse recovery time (t_rr) of 1500ns, measured under I_F = 0.5A, I_R = 1.0A, and I_rr = 0.25A per the TSC datasheet. This value confirms its classification as a standard-recovery rectifier - appropriate for line-frequency and medium-frequency (<100kHz) applications but not recommended for high-frequency synchronous rectification where ultrafast diodes (<75ns) are required.

S1M R3G Specifications

Product attributes: Attribute value

Manufacturer:: Taiwan Semiconductor Corporation

Series:: -

Package/Case:: DO-214AC, SMA

Packaging:: Tape & Reel (TR)

Product Status:: Discontinued at Digi-Key

Technology:: Standard

Voltage - DC Reverse (Vr) (Max):: 1000 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):: 1.5 µs

Current - Reverse Leakage @ Vr:: 1 µA @ 1000 V

Capacitance @ Vr, F:: 12pF @ 4V, 1MHz

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: DO-214AC (SMA)

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

S1M R3G FAQ

1.How can I place an order for S1M R3G through Aetrix?

Please submit a Request for Quotation (RFQ) for S1M R3G 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 S1M R3G reliable?

The price and inventory of S1M R3G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S1M R3G is usually 5 days.

3.What payment methods are accepted for S1M R3G?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S1M R3G transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for S1M R3G?

S1M R3G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your S1M R3G 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 S1M R3G?

For technical support, including S1M R3G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S1M R3G requirements.

6.How does Aetrix verify that S1M R3G is sourced from the original manufacturer or authorized distributors?

All S1M R3G 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 S1M R3G meets industry standards.

7.What is the process for return or replacement of S1M R3G?

All S1M R3G units undergo pre-shipment inspection (PSI). If there is an issue with S1M R3G, 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 S1M R3G part is unused and in its original packaging.

Return procedure for S1M R3G:

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…