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Home > Products > Discrete Semiconductor Products > Diodes > Bridge Rectifiers

Semtech Corporation SC3BJ6

Name: SC3BJ6
Brand: Semtech Corporation
SKU: SC3BJ6
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: SC3BJ6

Manufacturer:: Semtech Corporation

Category:: Bridge Rectifiers

Package:: 5-Rectangle

Datasheet:: SC3BJ6.pdf

Description:: BRIDGE RECT 3PHASE 600V 2A

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Product details

Overview

TDS2211P from Semtech is a transient diverting suppressor designed for high-energy EOS protection of 22V voltage buses or I/O lines, featuring ±30kV IEC 61000-4-2 ESD immunity, 40A (8/20μs) peak pulse current handling, and stable 27.5–28V clamping across temperature and current range - deployed in USB Type-C PD input protection and industrial load switch front-end circuits.

For engineers reviewing the TDS2211P datasheet, pinout, applications, or equivalent options, key selection criteria include clamping voltage stability under 40A surge, DFN-6 thermal and layout performance, low 20mΩ dynamic resistance, and compatibility with 22V working voltage systems requiring robust EOS resilience without TVS-like voltage drift.

Technical Context

The TDS2211P uses a surge-rated FET as its primary protection element, activated by a precision trigger circuit that turns on the shunt path when transient voltage exceeds breakdown threshold. Unlike conventional TVS diodes, its clamping voltage remains nearly constant due to decreasing R_DS(on) under increasing current.

It operates over –40°C to +125°C, maintains ≤600nA reverse leakage at 22V, and delivers 1120W peak pulse power (8/20μs). Its functional architecture separates trigger sensing (V_BR ≈27.9V typ.) from low-impedance conduction (R_DYN = 20mΩ), enabling superior thermal stability versus junction-limited TVS devices.

Key Specifications

Parameter	Value and Actual Design Meaning
Working Voltage	22V - defines maximum continuous DC bus voltage before leakage or conduction onset.
Clamping Voltage	27.5–28V at 40A (8/20μs) - ensures protected ICs (e.g., USB PD controllers) remain below damage thresholds during worst-case surges.
Peak Pulse Current	40A (8/20μs) - meets IEC 61000-4-5 Level 4 industrial surge requirements with 2Ω source impedance.
ESD Withstand	±30kV contact & air (IEC 61000-4-2) - exceeds automotive and industrial ESD immunity standards without derating.
Dynamic Resistance	20mΩ - enables flat clamping curve; reduces voltage rise per amp vs. TVS diodes with fixed R_DYN.
Junction Capacitance	175pF at 22V, 1MHz - suitable for DC/low-speed power and control line protection; not intended for high-speed data lanes.
Package	DFN 1.6 × 1.6 × 0.55 mm, 6-lead - enables compact placement near connectors with minimal PCB area and parasitic inductance.

Pinout & Package

Package: DFN-6 (1.6 mm × 1.6 mm × 0.55 mm), RoHS-compliant, Pb-free, UL 94V-0 molding compound. Exposed thermal pad not required; all GND and IN pins must be connected for rated surge performance.

Pin/Terminal	Circuit Role	Design Meaning
Pins 1, 2, 3	GND	Common ground return path for surge current; all three must be soldered to minimize inductance and maximize 40A capability.
Pins 4, 5, 6	IN	Protected line input (e.g., VBUS or load switch input); parallel connection ensures uniform current sharing and thermal distribution.

Key Features

Feature	Design Value
Constant-clamp architecture	Clamping voltage varies <0.5V from 24A to 40A (8/20μs), eliminating design margin inflation needed with TVS diodes.
Temperature-stable protection	Clamping remains ~27.6V from –40°C to +125°C - avoids thermal derating in industrial enclosures or automotive under-hood environments.
Low dynamic resistance	20mΩ measured between 1A–40A enables efficient energy shunting without localized heating or voltage overshoot.
High-energy surge rating	1120W peak pulse power supports repeated exposure to IEC 61000-4-5 40A transients without degradation.
Compact DFN footprint	1.6×1.6mm body saves >60% board space vs. SO-8 or SOT-23 TVS alternatives while maintaining 6-terminal current distribution.

Applications

USB Type-C Power Delivery Protection	Industrial Load Switch Input Protection
Use Scenario: Protecting 20–22V VBUS lines in USB-C PD ports against lightning-induced surges and connector hot-plug ESD. IC Role / Device Role / Timing Role: Primary front-end EOS suppressor placed directly at the Type-C receptacle, upstream of PD controller and load switch. Use Value: Maintains clamping at ≤28V across full temperature range, preventing damage to 30V-rated PD controllers (e.g., STUSB4500, CYPD3177) where TVS solutions exceed safe limits at elevated ambient.	Use Scenario: Shielding industrial-grade load switches (e.g., HS2950P, TPS22990) from 1kV/42Ω surges on 24V rail inputs in remote meters or robotics. IC Role / Device Role / Timing Role: Transient shunt device triggered within nanoseconds to clamp overvoltage before internal FET gate oxide breakdown. Use Value: Limits stress on load switch drain-source junction by holding clamped voltage below 30V - avoiding latch-up or permanent failure during field-deployed surge events.
IoT Edge Node Power Bus Protection	Storage Device DC Rail Protection
Use Scenario: Securing 12–22V DC input rails in battery-backed IoT gateways exposed to EFT bursts (±4kV, 5/50ns) and ESD in factory or outdoor deployments. IC Role / Device Role / Timing Role: Solid-state EOS protector replacing MOV+TVS stacks, providing repeatable response without wear-out mechanisms. Use Value: Delivers 4kV EFT immunity per IEC 61000-4-4 without waveform distortion or leakage drift - critical for always-on edge nodes with constrained thermal budgets.	Use Scenario: Safeguarding SATA or NVMe SSD power inputs (3.3V/5V/12V rails) against EOS during hot-swap or power-rail coupling events in enterprise storage enclosures. IC Role / Device Role / Timing Role: Low-capacitance (175pF), low-leakage (≤600nA) protector for non-data power lines, minimizing standby current impact. Use Value: Enables reliable operation at 125°C ambient with <0.6μA total leakage - preserving battery life in fanless NAS units while meeting IEC 61000-4-5 surge compliance.

USB Type-C Power Delivery Protection

Industrial Load Switch Input Protection

Use Scenario: Protecting 20–22V VBUS lines in USB-C PD ports against lightning-induced surges and connector hot-plug ESD.

IC Role / Device Role / Timing Role: Primary front-end EOS suppressor placed directly at the Type-C receptacle, upstream of PD controller and load switch.

Use Value: Maintains clamping at ≤28V across full temperature range, preventing damage to 30V-rated PD controllers (e.g., STUSB4500, CYPD3177) where TVS solutions exceed safe limits at elevated ambient.

Use Scenario: Shielding industrial-grade load switches (e.g., HS2950P, TPS22990) from 1kV/42Ω surges on 24V rail inputs in remote meters or robotics.

IC Role / Device Role / Timing Role: Transient shunt device triggered within nanoseconds to clamp overvoltage before internal FET gate oxide breakdown.

Use Value: Limits stress on load switch drain-source junction by holding clamped voltage below 30V - avoiding latch-up or permanent failure during field-deployed surge events.

IoT Edge Node Power Bus Protection

Storage Device DC Rail Protection

Use Scenario: Securing 12–22V DC input rails in battery-backed IoT gateways exposed to EFT bursts (±4kV, 5/50ns) and ESD in factory or outdoor deployments.

IC Role / Device Role / Timing Role: Solid-state EOS protector replacing MOV+TVS stacks, providing repeatable response without wear-out mechanisms.

Use Value: Delivers 4kV EFT immunity per IEC 61000-4-4 without waveform distortion or leakage drift - critical for always-on edge nodes with constrained thermal budgets.

Use Scenario: Safeguarding SATA or NVMe SSD power inputs (3.3V/5V/12V rails) against EOS during hot-swap or power-rail coupling events in enterprise storage enclosures.

IC Role / Device Role / Timing Role: Low-capacitance (175pF), low-leakage (≤600nA) protector for non-data power lines, minimizing standby current impact.

Use Value: Enables reliable operation at 125°C ambient with <0.6μA total leakage - preserving battery life in fanless NAS units while meeting IEC 61000-4-5 surge compliance.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
SMAJ22A	Standard unidirectional TVS diode; clamping rises to ~42V at 40A (8/20μs); higher R_DYN (~0.5Ω); 1500W peak power.	Higher clamping voltage risks PD controller damage; requires larger derating margin at 85°C+; no constant-clamp behavior.	Select only if cost sensitivity outweighs clamping stability and thermal performance requirements.
TPD2E007DRYR	Low-capacitance (3.5pF) dual-channel ESD array; rated for 3A (8/20μs); 12V working voltage; not rated for 1kV surge.	Designed for high-speed data lines (USB 2.0, HDMI), not power rail protection; insufficient for IEC 61000-4-5 compliance.	Use only for signal-line ESD co-protection alongside TDS2211P - never as standalone replacement for 22V bus protection.

Compared with SMAJ22A and TPD2E007DRYR, the TDS2211P uniquely delivers flat 27.5–28V clamping across 40A and –40°C to +125°C, making it the only option qualified for 22V industrial power rail surge protection without thermal or current derating.

Availability

TDS2211P is available at Aetrix Electronics and suitable for USB Type-C PD interfaces, industrial load switch inputs, and IoT edge node power buses requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant surge resilience.

Supply support for TDS2211P 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

Semtech Corporation is a U.S.-based fabless semiconductor company specializing in analog and mixed-signal ICs for precision sensing, protection, and signal integrity.

The TDS family targets high-reliability EOS protection in power and interface rails where TVS limitations-clamping drift, thermal derating, and wear-out-compromise system robustness in industrial, computing, and USB-C applications.

FAQ

What is the maximum continuous operating voltage for TDS2211P?

The TDS2211P has a reverse stand-off voltage (V_RWM) of 22V, meaning it can continuously block up to 22V DC without significant leakage or conduction. This makes TDS2211P suitable for 20V USB PD VBUS and 24V industrial rails with appropriate safety margin. Operation above 22V risks premature triggering or accelerated degradation.

Does TDS2211P require a thermal pad or heatsink on the PCB?

No, the TDS2211P does not require an exposed thermal pad or external heatsink. Its solid-state FET-based architecture dissipates surge energy efficiently without relying on thermal mass. The DFN-6 package relies on low-inductance GND connections (pins 1–3) and short traces to manage transient energy - confirmed in Semtech's layout guidelines and thermal characterization data.

Can TDS2211P protect high-speed data lines like USB 3.2 or PCIe?

No, TDS2211P is not intended for high-speed data line protection. With 175pF junction capacitance at 22V, it would severely degrade signal integrity on superspeed lanes. It is specifically designed for DC power rails and low-speed control lines. For USB SS/PCIe, use low-capacitance ESD arrays such as RClamp3371ZC (<0.25pF) in conjunction with TDS2211P on the VBUS rail.

How does TDS2211P compare to standard TVS diodes in temperature performance?

Unlike standard TVS diodes whose clamping voltage increases with temperature and peak current, TDS2211P maintains ~27.6V clamping from –40°C to +125°C at 40A. This stability arises from its FET-based shunt architecture and low R_DYN, eliminating the V_BR + I_PP×R_DYN dependency that plagues PN-junction TVS devices - a key advantage in thermally demanding industrial deployments.

Is TDS2211P compatible with automated optical inspection (AOI) and reflow processes?

Yes, TDS2211P is fully compatible with standard lead-free reflow profiles (J-STD-020) and AOI systems. Its DFN-6 package features laser-marked "T22" identification and a visible pin-1 dot. The RoHS-compliant, halogen-free molding compound (UL 94V-0 rated) and lead-free finish meet IPC-A-610 Class 2/3 assembly requirements without special process adjustments.

SC3BJ6 Specifications

Product attributes: Attribute value

Manufacturer:: Semtech Corporation

Series:: -

Package/Case:: 5-Rectangle

Packaging:: Bulk

Product Status:: Discontinued at Digi-Key

Diode Type:: Three Phase

Technology:: Standard

Voltage - Peak Reverse (Max):: 600 V

Current - Average Rectified (Io):: 2 A

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

Current - Reverse Leakage @ Vr:: 3 µA @ 600 V

Operating Temperature:: -55°C ~ 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: QC Terminal

Supplier Device Package:: -

SC3BJ6 FAQ

1.How can I place an order for SC3BJ6 through Aetrix?

Please submit a Request for Quotation (RFQ) for SC3BJ6 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 SC3BJ6 reliable?

The price and inventory of SC3BJ6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SC3BJ6 is usually 5 days.

3.What payment methods are accepted for SC3BJ6?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SC3BJ6 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for SC3BJ6?

SC3BJ6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your SC3BJ6 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 SC3BJ6?

For technical support, including SC3BJ6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SC3BJ6 requirements.

6.How does Aetrix verify that SC3BJ6 is sourced from the original manufacturer or authorized distributors?

All SC3BJ6 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 SC3BJ6 meets industry standards.

7.What is the process for return or replacement of SC3BJ6?

All SC3BJ6 units undergo pre-shipment inspection (PSI). If there is an issue with SC3BJ6, 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 SC3BJ6 part is unused and in its original packaging.

Return procedure for SC3BJ6:

1.Submit a request within 90 days.

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

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