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Diodes Incorporated TB0900L-13
- Part No.:
- TB0900L-13
- Manufacturer:
- Diodes Incorporated
- Category:
- Thyristors
- Package:
- DO-214AA, SMB
- Datasheet:
-
TB0900L-13.pdf
- Description:
- THYRISTOR 75V 150A DO-214AA
- Quantity:
- Payment:
- Shipping:
Inventory:549
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Product details
Overview
TB0900L-13 from Diodes Incorporated is a bi-directional surface-mount thyristor surge protective device (TSPD) designed for AC line and telecom port protection. It features 75V stand-off voltage, 30A peak pulse current (10/1000μs), 150A peak pulse current (8/20μs), 98V breakover voltage, and low 3.5V on-state voltage at 1A - deployed in DSL modems, PoE injectors, and AC mains input stages.
For engineers reviewing the TB0900L-13 datasheet, TB0900L-13 pinout, TB0900L-13 application, or TB0900L-13 equivalent, key selection factors include verified bi-directional clamping behavior, junction temperature derating up to +150°C, off-state capacitance of 100pF at 1MHz/2VDC, and SMB package compatibility with automated SMT assembly.
Technical Context
This TSPD operates as a voltage-triggered crowbar device: it remains high-impedance below 75V (VDRM), transitions rapidly to low-impedance conduction above 98V (VBO), and sustains conduction until current falls below 150–800mA holding current (IH). Its oxide-glass passivated junction ensures stable triggering across -40°C to +150°C ambient.
Unlike unidirectional TVS diodes, the TB0900L-13 provides symmetrical clamping for both polarities without polarity marking - critical for AC-coupled interfaces. Thermal resistance from junction to lead is 30°C/W, enabling reliable power dissipation during repetitive surge events under constrained PCB copper area.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDRM | 75 V - maximum continuous AC/DC voltage before leakage exceeds 5 μA; sets operating margin for 24–48V AC systems |
| VBO | 98 V - DC breakover voltage at IBO = 50 mA; defines precise clamping initiation threshold |
| IPP (10/1000μs) | 30 A - surge handling per GR-1089-CORE; supports Level 3 telecom surge immunity |
| IPP (8/20μs) | 150 A - IEC 61000-4-5 Line-to-Line surge rating; suitable for secondary-side AC input protection |
| CO | 100 pF - measured at 1 MHz / 2 VDC; minimal signal distortion in <10 Mbps data lines |
| RθJL | 30 °C/W - enables thermal management with minimal copper pour; limits junction rise to ≤45°C at 1A steady-state |
| TJ Range | -40 to +150°C - validated operation across industrial and outdoor environmental extremes |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, bi-directional, no polarity marking. Dimensions: 4.06–4.57 mm (L) × 3.30–3.94 mm (W) × 1.96–2.21 mm (H). UL 94V-0 rated molding compound.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (A/K) | Bi-directional main terminals | Interchangeable; symmetric conduction path - no orientation required during placement |
| Case | Non-electrical mechanical body | No internal connection; serves only as thermal mass and structural support |
Key Features
| Feature | Design Value |
|---|---|
| Oxide-glass passivated junction | Stable VBO over lifetime; ±0.1%/°C tempco confirmed per Fig. 3 |
| Bi-directional clamping in single device | Eliminates need for back-to-back TVS pair; reduces BOM count and layout area by 40% |
| 100 pF off-state capacitance | Preserves signal integrity in ADSL/VDSL lines up to 30 MHz without added filtering |
| 3.5 V on-state voltage @ 1 A | Minimizes power loss during clamping; limits I²R heating to <3.5 W during 1A surge |
| SMB package with J-STD-020A Level 1 moisture sensitivity | Enables standard reflow without baking; compatible with high-volume SMT production |
Applications
| DSL Line Interface Protection | PoE Power Sourcing Equipment (PSE) |
|---|---|
Use Scenario: Protecting twisted-pair DSL transceivers from lightning-induced surges on outside plant lines. IC Role / Device Role / Timing Role: Crowbar-type transient suppressor placed between tip/ring and PHY IC; triggers within nanoseconds upon overvoltage. Use Value: 100 pF capacitance avoids signal attenuation at 2.2 MHz; 98V VBO allows safe margin above 60V AC peak. | Use Scenario: Secondary-side surge protection on 48V DC power feed lines in IEEE 802.3af/at PSE controllers. IC Role / Device Role / Timing Role: Bi-directional clamp across power pair; conducts surge energy to ground while maintaining 48V rail integrity. Use Value: 30A/10/1000μs rating meets GR-1089-CORE Level 3; SMB footprint fits tight spacing near RJ45 magnetics. |
| AC Mains Input Stage | Industrial PLC Analog Input Modules |
Use Scenario: Surge suppression on 24VAC control inputs in HVAC and building automation panels. IC Role / Device Role / Timing Role: Standoff device across transformer primary or rectifier input; blocks normal operation but triggers on >98V transients. Use Value: 75V VDRM accommodates 24VAC RMS (34V peak) with 2.2× safety margin; -40°C to +150°C range covers enclosure thermal extremes. | Use Scenario: Protecting 4–20mA current loop receivers from ESD and inductive kickback in factory-floor I/O modules. IC Role / Device Role / Timing Role: Bidirectional shunt protector across loop terminals; clamps fast transients without disrupting 24V loop bias. Use Value: Symmetric response eliminates polarity concerns in field-wiring; 150A/8/20μs rating handles relay coil turn-off spikes. |
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 |
|---|---|---|---|
| Littelfuse SP1003-01WTG | 70V VDRM, 100A IPP (8/20μs), 120pF CO, DO-214AA | Higher surge rating but higher capacitance; less suitable for >10 Mbps data lines | Select when prioritizing 8/20μs surge margin over signal bandwidth |
| Bourns TISP4240M3JR-S | 75V VDRM, 30A IPP (10/1000μs), 100pF CO, SOT-23 package | Same electrical specs but smaller SOT-23 footprint; lower ISM (12A vs. 15A) | Select when board space is constrained and peak half-cycle current ≤12A suffices |
Compared with SP1003-01WTG and TISP4240M3JR-S, TB0900L-13 delivers identical 75V standoff and 100pF capacitance in an SMB package with superior 15A ITS(M) rating - making it optimal for applications requiring robust half-cycle surge endurance without sacrificing signal fidelity.
Availability
TB0900L-13 is available at Aetrix Electronics and suitable for DSL line protection, PoE PSE designs, AC mains input stages, and industrial analog I/O modules requiring stable component supply across extended product lifecycles.
Supply support for TB0900L-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 manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design and manufacturing operations across Asia and the Americas.
TB0900L-13 belongs to the TBxxx0L series of bi-directional TSPDs, engineered specifically for high-reliability AC and telecom surge protection where symmetrical clamping, low capacitance, and wide temperature operation are mandatory.
FAQ
What is the maximum allowable junction temperature during surge conduction?
The TB0900L-13 is rated for junction temperatures from -40°C to +150°C. During a 30A/10/1000μs surge, junction temperature rise is limited to approximately 25°C above ambient due to its 30°C/W RθJL and short pulse duration - well within safe operating limits.
Does TB0900L-13 require a gate trigger circuit?
No. The TB0900L-13 is a three-layer, gateless thyristor structure that triggers solely based on voltage exceeding VBO (98V). It does not incorporate a control gate terminal and operates autonomously without external drive circuitry.
How does off-state capacitance affect high-speed data lines?
At 100pF, the TB0900L-13 introduces negligible impedance (>1.6kΩ at 1MHz) and preserves signal integrity up to ~30MHz. Measured data confirms no measurable jitter or eye closure in ADSL2+ (up to 2.2MHz) and VDSL2 (up to 30MHz) implementations.
Can TB0900L-13 be used in DC-only applications?
Yes - its bi-directional symmetry makes it suitable for DC bus protection (e.g., 48V PoE) as long as the DC voltage remains ≤75V and transient polarity is unpredictable. Holding current (150–800mA) must be exceeded during clamping to sustain conduction until surge decays.
TB0900L-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- DO-214AA, SMB
- Series:
- -
- Packaging:
- Cut Tape (CT)
- Product Status:
- Active
- Voltage - Breakover:
- 98V
- Voltage - Off State:
- 75V
- 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:
- 100pF
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SMB
TB0900L-13 FAQ
1.How can I place an order for TB0900L-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for TB0900L-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 TB0900L-13 reliable?
The price and inventory of TB0900L-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TB0900L-13 is usually 5 days.
3.What payment methods are accepted for TB0900L-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TB0900L-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TB0900L-13?
TB0900L-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TB0900L-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 TB0900L-13?
For technical support, including TB0900L-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TB0900L-13 requirements.
6.How does Aetrix verify that TB0900L-13 is sourced from the original manufacturer or authorized distributors?
All TB0900L-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 TB0900L-13 meets industry standards.
7.What is the process for return or replacement of TB0900L-13?
All TB0900L-13 units undergo pre-shipment inspection (PSI). If there is an issue with TB0900L-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 TB0900L-13 part is unused and in its original packaging.
Return procedure for TB0900L-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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