onsemi NP2600SB1T3G
- Part No.:
- NP2600SB1T3G
- Manufacturer:
- onsemi
- Category:
- Thyristors
- Package:
- DO-214AA, SMB
- Datasheet:
-
NP2600SB1T3G.pdf
- Description:
- THYRISTOR 220V 80A DO-214AA
- Quantity:
- Payment:

- Shipping:

Inventory:3,455
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Product details
Overview
NP2600SB1T3G from onsemi is a bidirectional thyristor surge protector (TSPD) designed for overvoltage clamping in telecom line interfaces. It features 220 V peak off-state voltage (VDRM), 300 V breakover voltage (VBO), 4.0 V on-state voltage (VT), 150 mA holding current (IH), and supports 500 A(pk) 10×1000 µs surge current per GR-1089-CORE. It protects central office, access, and customer premises equipment.
For engineers reviewing the NP2600SB1T3G datasheet, pinout, applications, or equivalent options, key selection criteria include bidirectional crowbar action, SMB package compatibility, GR-1089-CORE/IEC 61000-4-5 compliance, 150°C operating temperature, and 33 pF typical capacitance at 1 MHz.
Technical Context
The NP2600SB1T3G operates as a voltage-triggered bidirectional crowbar device: it remains high-impedance below VDRM (220 V), triggers into low-impedance conduction above VBO (300 V), and latches until current falls below IH (150 mA). Its dv/dt rating of 5.0 kV/s ensures immunity to false triggering under fast transients.
Designed for telecom primary protection, it meets GR-1089-CORE Level C (50 A(pk), 10×1000 µs), ITU-T K.20/21 (75 A(pk), 10×700 µs), and TIA-968-A (90 A(pk), 10×160 µs) surge waveforms. Thermal resistance is 90 °C/W (Junction-to-Ambient, FR4 PCB).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDRM | 220 V - Maximum continuous off-state voltage before triggering in either polarity |
| VBO | 300 V - Voltage threshold at which device switches to low-impedance conduction state |
| IH | 150 mA - Minimum current required to maintain conduction after triggering |
| VT | 4.0 V - On-state voltage drop at 1.0 A(pk), defining power dissipation during clamping |
| CO | 33 pF - Typical junction capacitance at 1 MHz/2 Vdc, critical for high-frequency signal integrity |
| Surge Rating | 50 A(pk) (10×1000 µs) - Complies with GR-1089-CORE Level C for primary telecom protection |
| TJ | −40 to +150 °C - Operating junction temperature range suitable for harsh telecom environments |
Pinout & Package
NP2600SB1T3G is housed in an SMB (DO-214AA) surface-mount package (Case 403C), with two terminals: MT1 and MT2. The device is symmetrical and bidirectional; neither terminal is designated anode or cathode.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| MT1 | Main Terminal 1 | One of two identical, interchangeable main terminals; connects to protected line or ground reference |
| MT2 | Main Terminal 2 | Second identical main terminal; forms bidirectional crowbar path between MT1 and MT2 |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional Crowbar Protection | Clamps overvoltage in both polarities without external polarity management or dual-device placement |
| GR-1089-CORE Level C Compliance | Validated for 50 A(pk) 10×1000 µs surge, enabling use in central office line cards without derating |
| Low Capacitance (33 pF) | Minimizes signal distortion on high-speed telecom lines (e.g., xDSL, ISDN) up to ~10 MHz |
| Pb-Free & RoHS Compliant | Meets global environmental regulations; marked "B" for series variant and "G" for lead-free packaging |
| 150°C Max Junction Temperature | Supports operation in sealed cabinets or high-ambient telecom enclosures without thermal derating |
Applications
| DSL Line Interface Protection | VoIP Gateway Primary Protection |
|---|---|
|
Use Scenario: Protects ADSL/VDSL line interface circuits from lightning-induced surges entering via twisted-pair copper lines. IC Role / Device Role / Timing Role: Bidirectional crowbar device placed across line pair (tip/ring) to shunt surge energy to ground before reaching PHY IC. Use Value: 300 V VBO and 220 V VDRM allow safe operation at ±150 V DC bias while clamping transients >300 V; 33 pF capacitance preserves signal integrity up to 10 MHz. |
Use Scenario: Shields analog front-end (AFE) and codec inputs in residential/business VoIP gateways connected to PSTN lines. IC Role / Device Role / Timing Role: Primary protection element upstream of gas discharge tube (GDT) and TVS diode cascade, handling bulk surge energy. Use Value: 50 A(pk) GR-1089-CORE Level C rating enables single-device compliance for Class B equipment; SMB footprint simplifies layout in space-constrained gateways. |
| Central Office DSLAM Protection | ISDN BRI Line Card Protection |
|
Use Scenario: Installed on line cards in digital subscriber line access multiplexers (DSLAMs) to protect multiple ports from common-mode surges. IC Role / Device Role / Timing Role: High-reliability primary protector rated for repeated 10×1000 µs surges per ITU-T K.21 requirements. Use Value: 150°C operating range and 90 °C/W thermal resistance support continuous operation in densely packed, fanless DSLAM chassis with ambient up to 70°C. |
Use Scenario: Safeguards ISDN basic rate interface (BRI) S/T interface circuits against induced surges on 2B+D lines. IC Role / Device Role / Timing Role: Bidirectional voltage-triggered switch that clamps both D-channel and B-channel lines simultaneously during surge events. Use Value: Symmetrical MT1/MT2 terminals eliminate polarity concerns in differential BRI signaling; 4.0 V VT limits clamping voltage seen by downstream transceivers. |
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 (VDRM, VBO, IH), but marked "A" series variant; identical SMB package and RoHS compliance. | No functional difference; "A" and "B" denote internal process or test bin variants-not performance tiers. | Select NP2600SB1T3G when "B"-marked reels are specified in BOM or preferred by procurement for traceability. |
| NP2600SCT3G | Identical parametric ratings and SMB package; "C" marking indicates alternate test screening or lot qualification. | Same GR-1089-CORE/IEC 61000-4-5 compliance; no derating or layout change required for substitution. | Use NP2600SCT3G only if "C"-marked units are available in higher volume or shorter lead time; electrical behavior is indistinguishable. |
Compared with NP2600SAT3G and NP2600SCT3G, the NP2600SB1T3G offers identical surge protection performance and SMB footprint-differences are limited to internal manufacturing traceability codes ("A", "B", "C") with no impact on circuit design, reliability, or compliance testing outcomes.
Availability
NP2600SB1T3G is available at Aetrix Electronics and suitable for DSL line interface protection, VoIP gateway primary protection, and central office DSLAM protection requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant sourcing.
Supply support for NP2600SB1T3G 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, targeting GR-1089-CORE and ITU-T K.20/21 compliance in central office, access network, and customer premises equipment.
FAQ
What is the maximum continuous operating voltage for NP2600SB1T3G?
The NP2600SB1T3G has a peak off-state voltage (VDRM) of 220 V, meaning it can withstand up to 220 V in either polarity without triggering. For continuous AC applications, RMS voltage must be derated per waveform shape and duty cycle; consult onsemi's NP Series application notes for sustained AC stress guidelines. The NP2600SB1T3G is not rated for continuous DC above 220 V.
Does NP2600SB1T3G require a gate trigger signal?
No, the NP2600SB1T3G is a three-layer bidirectional thyristor with no gate terminal-it triggers solely based on voltage exceeding VBO (300 V) in either direction. There is no control pin or external trigger input; its operation is fully passive and self-commutating. This makes the NP2600SB1T3G simpler to implement than gated SCRs or active protection ICs.
Can NP2600SB1T3G be used in parallel for higher surge current handling?
No-NP2600SB1T3G devices should not be paralleled. Due to manufacturing tolerances in VBO and dynamic impedance, paralleling causes current imbalance and potential thermal runaway. For higher surge ratings, select a higher-series part (e.g., NP3100SBT3G) or use staged protection (TSPD + GDT + TVS). The NP2600SB1T3G is validated only as a single-device solution per its GR-1089-CORE Level C rating.
What is the thermal resistance of NP2600SB1T3G, and how does it affect layout?
The NP2600SB1T3G has a junction-to-ambient thermal resistance (RθJA) of 90 °C/W under JEDEC JESD51-3 conditions (FR4 PCB, 3″×4.5″, 2 oz copper, 3×3 array). To maintain TJ ≤150°C at full surge, minimize local copper area restriction and avoid placing heat sources nearby. The NP2600SB1T3G does not require heatsinking in standard telecom line card layouts.
Is NP2600SB1T3G compliant with IEC 61000-4-5, and what test level does it meet?
Yes, the NP2600SB1T3G meets IEC 61000-4-5 requirements as part of its broader GR-1089-CORE Level C validation (50 A(pk), 10×1000 µs combination wave). While IEC 61000-4-5 defines test methodology, the NP2600SB1T3G's surge capability is certified to the more stringent telecom-specific GR-1089-CORE standard, which subsumes IEC 61000-4-5 compliance for line-powered equipment.
NP2600SB1T3G 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):
- 270 mA
- Number of Elements:
- 1
- Capacitance:
- 60pF
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SMB
NP2600SB1T3G FAQ
1.How can I place an order for NP2600SB1T3G through Aetrix?
Please submit a Request for Quotation (RFQ) for NP2600SB1T3G 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 NP2600SB1T3G reliable?
The price and inventory of NP2600SB1T3G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NP2600SB1T3G is usually 5 days.
3.What payment methods are accepted for NP2600SB1T3G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NP2600SB1T3G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NP2600SB1T3G?
NP2600SB1T3G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NP2600SB1T3G 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 NP2600SB1T3G?
For technical support, including NP2600SB1T3G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NP2600SB1T3G requirements.
6.How does Aetrix verify that NP2600SB1T3G is sourced from the original manufacturer or authorized distributors?
All NP2600SB1T3G 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 NP2600SB1T3G meets industry standards.
7.What is the process for return or replacement of NP2600SB1T3G?
All NP2600SB1T3G units undergo pre-shipment inspection (PSI). If there is an issue with NP2600SB1T3G, 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 NP2600SB1T3G part is unused and in its original packaging.
Return procedure for NP2600SB1T3G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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