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Diodes Incorporated TB2300L-13

Part No.:
TB2300L-13
Manufacturer:
Diodes Incorporated
Category:
Thyristors
Package:
DO-214AA, SMB
Datasheet:
AetrixTB2300L-13.pdf
Description:
THYRISTOR 190V 150A DO-214AA
Quantity:
Payment:
Payment
Shipping:
Shipping

Inventory:5,612

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Product details

Overview

TB2300L-13 from Diodes Incorporated is a bi-directional surface-mount thyristor surge protective device (TSPD) with 190V stand-off voltage, 30A peak pulse current (10/1000μs), and 150A peak pulse current (8/20μs), designed for primary-level overvoltage protection in telecom line interfaces, AC power inputs, and industrial control I/O circuits.

For engineers reviewing the TB2300L-13 datasheet, TB2300L-13 pinout, TB2300L-13 application, or TB2300L-13 equivalent, key selection criteria include off-state capacitance (40 pF), breakover voltage (265 V), holding current range (150–800 mA), thermal resistance (30 °C/W junction-to-lead), and SMB package compatibility with automated SMT assembly.

Technical Context

This TSPD operates as a voltage-triggered crowbar device: it remains high-impedance below 190V (VDRM), transitions to low-impedance conduction at 265V (VBO), and latches on until current falls below 150–800 mA (IH). Its oxide-glass passivated junction ensures stable triggering across -40°C to +150°C junction temperature.

Bi-directional symmetry enables single-device protection of AC lines without polarity concerns; off-state capacitance of 40 pF minimizes signal distortion in high-frequency telecom applications, while 30 °C/W RθJL supports reliable power dissipation during repetitive surges.

Key Specifications

ParameterValue and Actual Design Meaning
VDRM190 V - Maximum continuous reverse/forward voltage before leakage exceeds 5 µA
VBO265 V - Breakover voltage threshold initiating conduction under surge conditions
IPP (10/1000µs)30 A - Peak surge current handling for long-duration lightning-induced transients
IPP (8/20µs)150 A - Peak surge current handling for fast-rising utility or EFT events
CO40 pF - Low off-state capacitance preserves signal integrity up to ~100 MHz
RθJL30 °C/W - Enables efficient heat transfer to PCB copper, critical for repeated surge duty
IH150–800 mA - Minimum current required to sustain conduction; defines recovery behavior post-surge

Pinout & Package

Package: SMB (DO-214AA), surface-mount, UL 94V-0 molded plastic case, no polarity indicator due to bi-directional symmetry.

Pin/TerminalCircuit RoleDesign Meaning
Anode/Cathode (A/K)Bi-directional main terminalsInterchangeable; either terminal serves as anode or cathode depending on transient polarity
CaseNon-electrical mechanical referenceNo internal connection; serves only as thermal path and mechanical anchor

Key Features

FeatureDesign Value
Oxide-glass passivated junctionEnsures stable, repeatable breakover voltage with <0.1 %/°C tempco and minimal parameter drift over life
Bi-directional protection in single deviceEliminates need for back-to-back diode or dual-TSPD layout, reducing board area by ≥40%
High off-state impedance (>1 GΩ @ 190 V)Prevents standby power loss and false triggering in always-on systems
Low on-state voltage (3.5 V @ 1 A)Minimizes clamping energy dissipation during surge, reducing thermal stress on PCB traces

Applications

DSL Line Interface ProtectionAC Power Input Surge Suppression

Use Scenario: Protecting ADSL/VDSL line cards from induced lightning surges on twisted-pair copper lines.

IC Role / Device Role / Timing Role: Primary crowbar protector placed before line transformer and receiver IC.

Use Value: 40 pF capacitance avoids signal attenuation above 1 MHz; 265 V VBO coordinates with secondary TVS clamping at 24 V.

Use Scenario: Safeguarding AC-DC adapter inputs against line-switching transients and indirect lightning.

IC Role / Device Role / Timing Role: First-stage surge limiter upstream of bridge rectifier and fuse.

Use Value: 150 A (8/20 µs) rating handles IEC 61000-4-5 Level 4 surges; SMB footprint allows direct replacement of legacy MOVs.

Industrial PLC Digital I/O ProtectionSmart Meter Communication Port Protection

Use Scenario: Shielding 24 V DC digital input channels from inductive kickback and ground potential differences.

IC Role / Device Role / Timing Role: Bi-directional clamp between signal line and chassis ground.

Use Value: 190 V VDRM tolerates normal 24 V ±20% variation plus ripple; 30 °C/W RθJL sustains repeated 10/1000 µs surges without thermal runaway.

Use Scenario: Securing RS-485 or HPLC communication ports in electricity meters exposed to grid noise.

IC Role / Device Role / Timing Role: Standoff protector on differential bus lines, coordinated with common-mode chokes.

Use Value: Symmetrical bi-directional response prevents polarity-dependent failure; 150–800 mA IH ensures clean recovery after meter reset cycles.

Equivalent & Alternatives

The following parts are listed as comparable options for similar bi-directional thyristor surge protection applications.

Alternative PartTechnical DifferenceApplication DifferenceSelection Advice
SMBJ190CAUnidirectional TVS diode; 190 V standoff, but no latching behavior or holding currentLacks crowbar action; relies on system current limiting to clear surgeChoose when lower clamping voltage (≈215 V) is prioritized over self-sustaining conduction
TB2600L-13Higher 220 V VDRM and 300 V VBO; otherwise identical SMB package and thermal specsBetter suited for 230 VAC mains interfaces where higher standoff margin is requiredSelect when protecting circuits operating near 200–220 V nominal with tighter safety margins

Compared with TB2300L-13, SMBJ190CA offers faster response but no current-holding capability-requiring external current limiting-while TB2600L-13 provides higher voltage margin without changing layout or thermal design.

Availability

TB2300L-13 is available at Aetrix Electronics and suitable for DSL line interface protection, AC power input surge suppression, and industrial PLC digital I/O protection requiring stable component supply and consistent surge performance across production batches.

Supply support for TB2300L-13 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 semiconductor company specializing in discrete, analog, and mixed-signal solutions for power management, signal integrity, and protection applications.

TB2300L-13 belongs to the TBxxx0L series of bi-directional TSPDs engineered specifically for robust, low-capacitance primary surge protection in telecom, industrial, and smart energy infrastructure.

FAQ

What is the maximum allowable surge repetition rate for TB2300L-13?

TB2300L-13 has no specified maximum repetition rate in its datasheet; however, thermal recovery requires ≥1 second between 30 A (10/1000 µs) surges to prevent junction temperature exceeding +150°C, based on RθJL = 30 °C/W and typical surge energy of 1.2 J. For higher repetition, derating or heatsinking is mandatory.

Does TB2300L-13 require a gate trigger circuit?

No. TB2300L-13 is a three-layer, gateless thyristor that triggers solely via voltage-dependent avalanche breakdown at the junction. It requires no external gate drive, biasing, or control signals-conduction initiates automatically when applied voltage exceeds 265 V (VBO) under specified dV/dt conditions.

How does TB2300L-13 behave after a surge event?

After triggering, TB2300L-13 latches into low-impedance conduction and remains on until load current drops below its holding current (150–800 mA). Recovery to high-impedance state occurs within ≤30 ms once current falls below IH, verified per datasheet Note 1 and Fig. 5's junction temperature dependency.

Can TB2300L-13 be used in DC-only circuits?

Yes. Although bi-directional, TB2300L-13 functions identically in DC circuits: it blocks up to 190 V in either polarity and triggers at 265 V across its terminals. In DC, it acts as a unidirectional crowbar-once triggered, it conducts until current interruption (e.g., by fuse or current-limiting resistor) forces recovery.

TB2300L-13 Specifications

Product attributes
Attribute value
Manufacturer:
Diodes Incorporated
Package/Case:
DO-214AA, SMB
Series:
-
Packaging:
Tape & Reel (TR)
Product Status:
Discontinued at Digi-Key
Voltage - Breakover:
265V
Voltage - Off State:
190V
Voltage - On State:
3.5 V
Current - Peak Pulse (8/20µs):
150 A
Current - Peak Pulse (10/1000µs):
30 A
Current - Hold (Ih):
150 mA
Number of Elements:
1
Capacitance:
40pF
Grade:
-
Qualification:
-
Mounting Type:
Surface Mount
Supplier Device Package:
SMB

TB2300L-13 FAQ

1.How can I place an order for TB2300L-13 through Aetrix?

Please submit a Request for Quotation (RFQ) for TB2300L-13 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 TB2300L-13 reliable?

The price and inventory of TB2300L-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TB2300L-13 is usually 5 days.

3.What payment methods are accepted for TB2300L-13?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TB2300L-13 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TB2300L-13?

TB2300L-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TB2300L-13 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 TB2300L-13?

For technical support, including TB2300L-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TB2300L-13 requirements.

6.How does Aetrix verify that TB2300L-13 is sourced from the original manufacturer or authorized distributors?

All TB2300L-13 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 TB2300L-13 meets industry standards.

7.What is the process for return or replacement of TB2300L-13?

All TB2300L-13 units undergo pre-shipment inspection (PSI). If there is an issue with TB2300L-13, 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 TB2300L-13 part is unused and in its original packaging.

Return procedure for TB2300L-13:

1.Submit a request within 90 days.

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

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