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Home > Products > Circuit Protection > Transient Voltage Suppressors (TVS) > Thyristors

Diodes Incorporated TB1300L-13

Name: TB1300L-13
Brand: Diodes Incorporated
SKU: TB1300L-13
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: TB1300L-13

Manufacturer:: Diodes Incorporated

Category:: Thyristors

Package:: DO-214AA, SMB

Datasheet:: TB1300L-13.pdf

Description:: THYRISTOR 120V 150A DO-214AA

Quantity:: RFQ Add To RFQ list

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Product details

Overview

TB1300L-13 from Diodes Incorporated is a bi-directional surface-mount thyristor surge protective device (TSPD) rated for 120V stand-off voltage, 30A peak pulse current (10/1000μs), and 150A peak pulse current (8/20μs), with 3.5V on-state voltage at 1A and 60pF off-state capacitance - deployed in telecom line interface protection against lightning-induced transients.

For engineers reviewing the TB1300L-13 datasheet, TB1300L-13 pinout, TB1300L-13 application, or TB1300L-13 equivalent, key selection criteria include verified bi-directional clamping behavior, junction temperature derating up to +150°C, SMB package thermal resistance (R_θJL = 30°C/W), and compliance with IEC 61000-4-5 and GR-1089-CORE surge standards.

Technical Context

This TSPD operates as a voltage-triggered, self-resetting crowbar device: it remains high-impedance below 120V (V_DRM), triggers at ~160V (V_BO), and latches into low-voltage conduction (V_T = 3.5V) until current falls below 150–800mA holding threshold (I_H). Its oxide-glass passivated junction ensures stable breakover voltage drift of +0.1%/°C.

Designed for single-phase AC line protection, it supports half-wave 60Hz resistive/inductive loads without polarity marking; capacitive loads require 20% current derating. Surge recovery time is ≤30ms, and off-state capacitance remains stable at 60pF under 2V DC bias at 1MHz.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DRM	120 V - Maximum continuous AC/DC voltage before triggering; defines system operating margin in telecom line interfaces.
I_PP (10/1000μs)	30 A - Sustains lightning-induced surges per GR-1089-CORE; determines PCB trace width and fuse coordination.
I_PP (8/20μs)	150 A - Withstands IEC 61000-4-5 Level 4 surges; validates robustness in DSL/ISDN port protection.
V_T @ I_T = 1A	3.5 V - Low clamping voltage during conduction reduces power dissipation and downstream component stress.
C_O	60 pF - Minimal signal distortion in high-speed data lines (e.g., ADSL2+, VDSL2); measured at 1 MHz, 2V bias.
R_θJL	30 °C/W - Enables direct thermal coupling to copper pour; critical for sustained surge duty cycling in compact SMB layout.
T_J Range	−40 to +150 °C - Supports operation in uncontrolled outdoor enclosures and industrial DSLAM chassis.

Pinout & Package

Package: SMB (DO-214AA), surface-mount, bi-directional - no polarity; terminals are anode/cathode interchangeable due to symmetrical structure.

Pin/Terminal	Circuit Role	Design Meaning
Anode (A)	Current entry terminal during positive half-cycle surge	Internally identical to cathode; bidirectional symmetry eliminates orientation constraints during placement.
Cathode (K)	Current entry terminal during negative half-cycle surge	Electrically mirrored to anode; enables single-device protection of AC signals without external diode pairing.

Key Features

Feature	Design Value
Oxide-glass passivated junction	Ensures long-term V_BO stability and low leakage (<5 μA at 120V) across temperature and humidity stress.
Bi-directional clamping in single device	Eliminates need for back-to-back discrete SCRs or MOV+TVS combos; reduces BOM count and board area by >40%.
UL 94V-0 molded plastic case	Meets flammability safety requirements for telecom equipment housed in confined cabinets or wall-mounted units.
Moisture sensitivity Level 1	Permits standard SMT reflow without baking; compatible with high-volume automated assembly lines.

Applications

DSL Line Interface Protection

ISDN BRI Port Protection

Use Scenario: Protects twisted-pair copper lines in DSLAMs and customer premises equipment from induced lightning surges and AC power cross-talk.

IC Role / Device Role: Bi-directional crowbar that clamps transients above 120V while maintaining <5 μA leakage during normal operation.

Use Value: 60pF capacitance preserves ADSL2+ signal integrity up to 2.2 MHz; 30°C/W thermal resistance prevents thermal runaway during repeated 30A surges.

Use Scenario: Shields ISDN Basic Rate Interface (2B+D) ports from EFT bursts and telecom line faults in PBX and gateway systems.

IC Role / Device Role: Voltage-triggered thyristor that switches from high-Z to low-V_T state within nanoseconds upon overvoltage detection.

Use Value: 150A (8/20μs) rating meets IEC 61000-4-4/5 Level 4; bi-directionality protects both B-channels and D-channel simultaneously.

VoIP Phone Line Protection

Security System Sensor Loop Protection

Use Scenario: Installed inline between analog telephone interface IC and RJ11 jack in VoIP adapters to suppress ring-trip surges and accidental AC mains contact.

IC Role / Device Role: Self-resetting surge protector that returns to high-impedance state within 30ms after fault clearance.

Use Value: Holding current range (150–800mA) ensures reliable latch-off after typical phone loop current (~20–50mA) drops post-surge.

Use Scenario: Safeguards 24V DC sensor loops (e.g., door contacts, motion detectors) in building security panels from induced surges on long outdoor wiring runs.

IC Role / Device Role: Bidirectional transient shunt that conducts surge energy to ground regardless of polarity of incoming transient.

Use Value: 120V V_DRM accommodates 24V nominal + 30% tolerance + ripple; 150°C max junction temperature supports operation in hot attic-mounted control boxes.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
SMBJ120A	Unidirectional TVS diode; 120V V_BR, 30A I_PP (10/1000μs), but no latching behavior or controlled on-state voltage.	Requires external series impedance to limit current; cannot sustain clamping without burnout under repeated surges.	Select when fast response (<1ps) is prioritized over self-resetting capability and low clamping voltage.
P6SMB120A	Same unidirectional TVS package and rating as SMBJ120A; higher leakage (~10 μA) and no hold-off recovery mechanism.	Lacks bi-directionality - needs two devices for AC line protection, increasing cost and footprint.	Choose only for DC-only circuits where polarity is fixed and surge repetition is infrequent.

Compared with SMBJ120A and P6SMB120A, TB1300L-13 provides true bi-directional, self-resetting protection with defined on-state voltage and holding current - enabling robust, maintenance-free surge suppression in AC-coupled telecom and security interfaces without external current limiting.

Availability

TB1300L-13 is available at Aetrix Electronics and suitable for DSL line interface protection, ISDN port hardening, and VoIP telephone circuit protection requiring stable component supply and full compliance with GR-1089-CORE and IEC 61000-4-5 standards.

Supply support for TB1300L-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 high-reliability industrial, computing, and communications applications.

TB1300L-13 belongs to the TBxxx0L family of bi-directional thyristor surge protectors, engineered specifically for telecom line interface protection where low capacitance, precise voltage standoff, and self-resetting behavior are mandatory.

FAQ

What is the maximum allowable surge repetition rate for TB1300L-13?

TB1300L-13 has no specified minimum inter-surge interval in its datasheet. However, thermal recovery requires ≥1 second between consecutive 30A (10/1000μs) surges to prevent junction temperature exceeding +150°C, given R_θJL = 30°C/W and typical surge energy of ~1.2 J. For 150A (8/20μs) events, ≥5 seconds is recommended.

Does TB1300L-13 require an external trigger circuit or gate control?

No. TB1300L-13 is a gateless, voltage-triggered thyristor. It transitions automatically from high-impedance to low-V_T conduction when applied voltage exceeds ~160V (V_BO), and resets when load current falls below its holding current (150–800mA). No external bias or control signal is needed.

Can TB1300L-13 be used in DC power rail protection?

Yes - but only if the DC source can sink the latched current until it falls below the holding threshold (I_H). In pure DC systems without natural current zero-crossing, a series current-limiting resistor or upstream fuse must be added to ensure automatic reset after clamping; otherwise, the device remains latched and shorts the rail.

How does the 0.1%/°C temperature coefficient affect system-level voltage margin?

At +125°C junction temperature, V_BO increases by +10% (from 160V to 176V), widening the gap between V_BO and V_DRM (120V). This improves noise immunity but delays triggering during high-temp surges - design margin must account for worst-case V_BO shift across −40°C to +150°C.

TB1300L-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:: 160V

Voltage - Off State:: 120V

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:: 60pF

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SMB

TB1300L-13 FAQ

1.How can I place an order for TB1300L-13 through Aetrix?

Please submit a Request for Quotation (RFQ) for TB1300L-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 TB1300L-13 reliable?

The price and inventory of TB1300L-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TB1300L-13 is usually 5 days.

3.What payment methods are accepted for TB1300L-13?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TB1300L-13 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TB1300L-13?

TB1300L-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TB1300L-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 TB1300L-13?

For technical support, including TB1300L-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TB1300L-13 requirements.

6.How does Aetrix verify that TB1300L-13 is sourced from the original manufacturer or authorized distributors?

All TB1300L-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 TB1300L-13 meets industry standards.

7.What is the process for return or replacement of TB1300L-13?

All TB1300L-13 units undergo pre-shipment inspection (PSI). If there is an issue with TB1300L-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 TB1300L-13 part is unused and in its original packaging.

Return procedure for TB1300L-13:

1.Submit a request within 90 days.

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

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