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onsemi NP2600SBT3G
- Part No.:
- NP2600SBT3G
- Manufacturer:
- onsemi
- Category:
- Thyristors
- Package:
- DO-214AA, SMB
- Datasheet:
-
NP2600SBT3G.pdf
- Description:
- THYRISTOR 220V 80A DO-214AA
- Quantity:
- Payment:
- Shipping:
Inventory:8,620
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Product details
Overview
NP2600SBT3G from onsemi is a bidirectional thyristor surge protector (TSPD) designed for overvoltage protection in telecom line interfaces. It features 220 V peak off-state voltage (VDRM), 300 V breakover voltage (VBO), 4.0 V on-state voltage at 1 A, 150 mA holding current, and supports GR-1089-CORE and IEC 61000-4-5 surge immunity up to 150 A(pk) for 2×10 µs waveform - deployed in central office and customer premises equipment.
For engineers reviewing the NP2600SBT3G datasheet, pinout, applications, or equivalent options, key selection criteria include bidirectional crowbar clamping behavior, SMB package thermal resistance (90 °C/W), surge current rating per ITU-T K.20/21, VDRM/VBO margin, and RoHS-compliant lead-free construction.
Technical Context
The NP2600SBT3G operates as a voltage-triggered bidirectional crowbar device: it remains high-impedance below VDRM (220 V), switches to low-impedance conduction upon exceeding VBO (300 V) in either polarity, and latches until current falls below IH (150 mA). Its dv/dt rating of 5.0 kV/s ensures robust immunity against false triggering from fast transients.
Designed for telecom primary protection, it handles repetitive 10×1000 µs surges up to 50 A(pk) and non-repetitive 2×10 µs pulses up to 150 A(pk). The 33 pF capacitance at 1 MHz minimizes signal distortion in voice/data lines, while its −40 °C to +150 °C operating range supports harsh environmental deployment.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDRM | 220 V - Maximum continuous off-state voltage both polarities; defines maximum steady-state line voltage tolerance before leakage exceeds 5 µA. |
| VBO | 300 V - Breakover voltage threshold where device triggers into conduction; sets minimum surge amplitude required to activate crowbar protection. |
| VT | 4.0 V - On-state voltage at 1 A peak; determines clamping voltage during surge event and power dissipation (4 W peak). |
| IH | 150 mA - Minimum current needed to sustain conduction after triggering; ensures reliable hold-on during sustained overcurrent conditions. |
| CO | 33 pF - Junction capacitance at 1 MHz / 2 Vdc bias; enables minimal insertion loss and signal integrity in POTS and xDSL applications. |
| dv/dt | 5.0 kV/s - Critical rate of rise of off-state voltage; prevents spurious turn-on from fast-rising noise or ringing on protected lines. |
| Surge Rating (2×10 µs) | 150 A(pk) - Non-repetitive peak surge current capability; meets GR-1089-CORE Level 3 primary protection requirements. |
Pinout & Package
NP2600SBT3G uses the SMB (DO-214AA, Case 403C) surface-mount package with two terminals: MT1 and MT2. This symmetrical bidirectional structure eliminates polarity dependency and allows placement without orientation constraints on PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| MT1 | Anode/Cathode (bidirectional) | Primary current terminal; interchangeable with MT2 due to symmetrical thyristor structure; connects to line or tip/ring side of telecom interface. |
| MT2 | Anode/Cathode (bidirectional) | Secondary current terminal; electrically identical to MT1; completes crowbar path during overvoltage events in either polarity. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional Crowbar Protection | Triggers symmetrically above ±300 V, clamps to <4 V, and holds until current drops below 150 mA - eliminating need for back-to-back discrete devices. |
| GR-1089-CORE & IEC 61000-4-5 Compliance | Validated for Level 3 primary protection (150 A pk, 2×10 µs) and secondary protection (50 A pk, 10×1000 µs) - reduces certification effort for telecom equipment. |
| Low Capacitance (33 pF) | Minimizes high-frequency insertion loss and crosstalk in voice-grade and broadband DSL lines - preserves signal fidelity without external filtering. |
| SMB Package (JEDEC DO-214AA) | Standardized footprint with 90 °C/W junction-to-ambient thermal resistance - enables direct replacement in existing telecom surge designs and automated assembly. |
| Pb-Free / RoHS Compliant | Meets EU Directive 2011/65/EU and JESD97 stress testing - supports global market access and environmentally aligned manufacturing. |
Applications
| Central Office Line Cards | DSLAM Protection Modules |
|---|---|
Use Scenario: Protecting analog line interface circuits in carrier-class central office switching systems against lightning-induced surges and AC power cross faults. IC Role / Device Role / Timing Role: Primary-level crowbar protector placed between line transformer and codec IC - shunts >150 A surge energy before downstream components experience overvoltage. Use Value: Enables compliance with GR-1089-CORE Level 3 without external series impedance or timing-critical coordination - simplifies board layout and improves fault coverage. |
Use Scenario: Safeguarding ADSL/VDSL line drivers and receivers in digital subscriber line access multiplexers exposed to induced surges on copper loops. IC Role / Device Role / Timing Role: Bidirectional transient suppressor mounted directly at line entry point - clamps differential-mode surges within 100 ns while maintaining <33 pF signal path capacitance. Use Value: Preserves broadband signal integrity up to 30 MHz while meeting ITU-T K.21 surge immunity requirements - avoids bandwidth-limiting RC filters or active protection circuits. |
| VoIP Gateway Interfaces | Customer Premises Equipment (CPE) |
Use Scenario: Securing FXS/FXO ports in enterprise VoIP gateways connected to PSTN lines vulnerable to accidental 48 V battery contact or induced transients. IC Role / Device Role / Timing Role: Standalone overvoltage latch protecting analog telephony interface ICs - activates only during overvoltage, then resets automatically when line current decays. Use Value: Eliminates need for resettable fuses or opto-isolated reset circuitry - reduces BOM count and improves long-term reliability under repeated surge exposure. |
Use Scenario: Providing primary surge immunity in residential DSL modems, fax machines, and analog telephones installed on unprotected outside plant wiring. IC Role / Device Role / Timing Role: First-stage protector between telephone line jack and internal hybrid circuit - absorbs up to 150 A(peak) 2×10 µs surges without degradation. Use Value: Extends product lifetime in uncontrolled environments by preventing catastrophic failure of line interface transformers and codec ICs - lowers warranty return rates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar thyristor surge protector applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NP2600SAT3G | Same electrical specs and SMB package; differs only in marking code (260A vs. 260B) and surge rating tier (A-tier rated for 150 A pk @ 2×10 µs, same as NP2600SBT3G) | No functional difference; A/B/C suffixes denote internal production lot traceability, not performance grading | Select NP2600SAT3G if legacy design documentation references "A" marking; otherwise NP2600SBT3G is functionally identical. |
| NP2600SCT3G | Identical VDRM, VBO, VT, IH, and package; C-tier shares same 150 A pk 2×10 µs rating per datasheet Table 3 | No application distinction; C marking reflects alternate wafer fab or test flow - all three variants meet full GR-1089-CORE Level 3 spec | NP2600SCT3G offers same protection performance; choose based on distributor availability or preferred lot traceability scheme. |
Compared with NP2600SAT3G and NP2600SCT3G, the NP2600SBT3G delivers identical surge handling, clamping behavior, and thermal performance in the SMB package - the A/B/C suffixes reflect internal manufacturing traceability only, not electrical or reliability differentiation.
Availability
NP2600SBT3G is available at Aetrix Electronics and suitable for central office line cards, DSLAM protection modules, and VoIP gateway interfaces requiring stable component supply, long-lifecycle support, and RoHS-compliant surge protection.
Supply support for NP2600SBT3G 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
onsemi (formerly ON Semiconductor) is a global semiconductor manufacturer specializing in energy-efficient power, analog, sensor, and logic solutions for automotive, industrial, cloud, and communications markets.
The NP Series thyristor surge protectors were developed specifically for telecom infrastructure protection - delivering high-voltage bidirectional crowbar action in standardized surface-mount packages to simplify compliance with GR-1089-CORE, ITU-T K.20/21, and IEC 61000-4-5 standards.
FAQ
What is the primary function of the NP2600SBT3G in a telecom circuit?
The NP2600SBT3G functions as a bidirectional thyristor surge protector (TSPD) that acts as a crowbar device. When line voltage exceeds ±300 V (VBO), it switches to low-impedance conduction, clamping the voltage to ≤4.0 V while diverting surge current away from sensitive downstream components. It remains latched until current falls below 150 mA (IH). This behavior protects analog and DSL line interfaces in central office and CPE equipment.
Does the NP2600SBT3G require external triggering or control circuitry?
No, the NP2600SBT3G is a passive, voltage-triggered device with no control pins or bias requirements. It operates autonomously based solely on applied voltage across MT1 and MT2 terminals. Its breakover voltage (300 V) and holding current (150 mA) are intrinsic device parameters - no external gate drive, timing circuit, or power supply is needed for operation.
What surge waveforms is the NP2600SBT3G rated for, and what are the corresponding peak currents?
The NP2600SBT3G is rated for multiple standardized surge waveforms: 150 A(pk) for 2×10 µs (GR-1089-CORE Level 3), 90 A(pk) for 10×160 µs (TIA-968-A), 75 A(pk) for 10×360 µs (GR-1089-CORE), and 50 A(pk) for 10×1000 µs. These ratings are confirmed in the "SURGE DATA RATINGS" table of the official datasheet (Rev. 5, May 2008).
Can the NP2600SBT3G be used in DC power line protection applications?
The NP2600SBT3G is optimized for AC-coupled telecom line protection and is not recommended for standalone DC power rail protection. Its 150 mA holding current requires the protected circuit to naturally interrupt current flow after clamping - which occurs inherently in AC line interfaces but may not occur in constant-current DC systems, risking thermal runaway. Use dedicated DC-rated TSPDs or TVS diodes for DC power rails.
What is the thermal resistance and maximum junction temperature of the NP2600SBT3G?
The NP2600SBT3G has a junction-to-ambient thermal resistance (RθJA) of 90 °C/W under JEDEC EIA/JESD51-3 test conditions (FR4 PCB, 3″×4.5″, 2 oz copper, 3×3 inch fan-out). Its maximum operating junction temperature is +150 °C, and storage temperature range is −65 °C to +150 °C - enabling deployment in industrial and outdoor telecom enclosures.
NP2600SBT3G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Package/Case:
- DO-214AA, SMB
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Voltage - Breakover:
- 300V
- Voltage - Off State:
- 220V
- Voltage - On State:
- 4 V
- Current - Peak Pulse (8/20µs):
- -
- Current - Peak Pulse (10/1000µs):
- 80 A
- Current - Hold (Ih):
- 150 mA
- Number of Elements:
- 1
- Capacitance:
- 52pF
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SMB
NP2600SBT3G FAQ
1.How can I place an order for NP2600SBT3G through Aetrix?
Please submit a Request for Quotation (RFQ) for NP2600SBT3G 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 NP2600SBT3G reliable?
The price and inventory of NP2600SBT3G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NP2600SBT3G is usually 5 days.
3.What payment methods are accepted for NP2600SBT3G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NP2600SBT3G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NP2600SBT3G?
NP2600SBT3G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NP2600SBT3G 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 NP2600SBT3G?
For technical support, including NP2600SBT3G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NP2600SBT3G requirements.
6.How does Aetrix verify that NP2600SBT3G is sourced from the original manufacturer or authorized distributors?
All NP2600SBT3G 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 NP2600SBT3G meets industry standards.
7.What is the process for return or replacement of NP2600SBT3G?
All NP2600SBT3G units undergo pre-shipment inspection (PSI). If there is an issue with NP2600SBT3G, 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 NP2600SBT3G part is unused and in its original packaging.
Return procedure for NP2600SBT3G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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