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onsemi NP1100SCMCT3G
- Part No.:
- NP1100SCMCT3G
- Manufacturer:
- onsemi
- Category:
- Thyristors
- Package:
- DO-214AA, SMB
- Datasheet:
-
NP1100SCMCT3G.pdf
- Description:
- THYRISTOR 90V 400A DO-214AA
- Quantity:
- Payment:
- Shipping:
Inventory:5,332
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Product details
Overview
NP1100SCMCT3G from onsemi is a bidirectional ultra-low-capacitance thyristor surge protection device (TSPD) designed for telecom line protection in xDSL and T1/E1 interfaces. It features ±90 V repetitive peak off-state voltage (VDRM), ±130 V breakover voltage (VBO), 23 pF nominal off-state capacitance at 1 MHz, 4 V on-state voltage at 2.2 A, and 150 mA holding current - enabling low-distortion, high-speed transient clamping without signal integrity degradation.
For engineers reviewing the NP1100SCMCT3G datasheet, pinout, applications, or equivalent options, this device is selected for precise overvoltage threshold control in telecom line cards, DSLAMs, and carrier-grade broadband equipment where GR-1089-CORE, ITU-T K.20/K.21, and IEC 61000-4-5 compliance are mandatory.
Technical Context
The NP1100SCMCT3G operates as a crowbar-type protector: it remains high-impedance (open-circuit) under normal operation (IDRM ≤ 5 µA at VDRM), then switches to low-impedance conduction when transient voltage exceeds ±130 V (VBO), clamping surges with 4 V on-state voltage (VT) and sustaining up to 2.2 A peak on-state current (IT).
Its 23 pF off-state capacitance (Co) ensures minimal signal distortion in high-frequency data lines; thermal resistance RθJA is 90 °C/W on FR4 PCB per JESD51-3; junction temperature range is −40 °C to +150 °C, supporting industrial and central office environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDRM | ±90 V - Maximum continuous AC/DC line voltage the device withstands without triggering, ensuring transparency during 48 V DC + 150 V RMS ring voltage (212 V peak) operation. |
| VBO | ±130 V - Guaranteed maximum clamping voltage seen by protected circuitry, set below typical SLIC or coupling capacitor failure thresholds. |
| CO | 23 pF at 1 MHz / 2 Vdc - Ultra-low capacitance preserves signal integrity in >10 Mbps xDSL/T1/E1 data paths with negligible insertion loss. |
| VT | 4 V at 2.2 A - Low on-state voltage enables efficient shunting of high-energy transients (e.g., 10×1000 µs, 50 A) without excessive power dissipation. |
| IH | 150 mA - Minimum current required to maintain conduction; ensures automatic recovery to open state after surge decay, provided system load stays below 150 mA. |
| IPPS | 75 A (10×360 µs), 50 A (10×1000 µs) - Non-repetitive surge current rating compliant with GR-1089-CORE Category B/C test waveforms. |
Pinout & Package
NP1100SCMCT3G is housed in an SMB (DO-214AA, Case 403C) surface-mount package with two terminals: Anode and Cathode. The device is bidirectional and symmetrical; both terminals serve identical roles in AC line protection.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | AC Line Terminal (Bidirectional) | Connects to either tip or ring in telecom line interface; functions identically to Cathode due to symmetrical thyristor structure. |
| Cathode | AC Line Terminal (Bidirectional) | Connects to opposite line conductor; no polarity sensitivity - supports differential surge suppression across balanced pairs. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low off-state capacitance | 23 pF ensures <0.1 dB insertion loss at 2 MHz, critical for ADSL2+ and VDSL2 spectral compatibility. |
| Precise breakover voltage tolerance | Guaranteed ±130 V VBO enables deterministic protection margining against equipment failure thresholds. |
| Low leakage current | IDRM ≤ 5 µA at ±90 V prevents DC loading or false triggering in high-impedance voice/data hybrid circuits. |
| High surge current capability | 75 A (10×360 µs) meets GR-1089-CORE Category B requirements for central office equipment. |
| Pb-free, RoHS-compliant packaging | SMB package with matte tin lead finish supports lead-free reflow (J-STD-020) and long-term reliability in humid environments. |
Applications
| ADSL Central Office Line Card | T1/E1 Data Interface Protection |
|---|---|
Use Scenario: Protecting line interface circuits in DSLAMs against lightning-induced surges on copper subscriber loops. IC Role / Device Role / Timing Role: Bidirectional crowbar protector placed across tip/ring pair before SLIC and codec. Use Value: 23 pF capacitance avoids degrading ADSL2+ upstream SNR; ±130 V VBO clamps transients below SLIC breakdown (typically ±150 V). |
Use Scenario: Safeguarding T1/E1 framer and transceiver ICs in telecom backhaul equipment from induced surges. IC Role / Device Role / Timing Role: Primary overvoltage clamp on balanced 100 Ω differential line, coordinated with series current-limiting resistors. Use Value: 75 A surge rating satisfies TIA-968-A 10×360 µs waveform; low VT minimizes voltage overshoot during fast-rising transients. |
| xDSL Customer Premises Equipment | Broadband Access Gateway |
Use Scenario: Integrated surge protection in residential DSL modems handling both POTS voice and data on shared copper lines. IC Role / Device Role / Timing Role: First-stage protector between RJ-11 jack and internal hybrid circuit, operating transparently during normal voice calls. Use Value: IDRM ≤ 5 µA prevents audible hum or crosstalk; ±90 V VDRM accommodates 48 V battery feed plus ringing voltage. |
Use Scenario: Multi-line protection in fiber-to-the-node (FTTN) gateways serving 4–8 xDSL lines with centralized surge management. IC Role / Device Role / Timing Role: Per-line TSPD mounted adjacent to RJ-11 connectors, paired with gas discharge tube (GDT) for staged protection. Use Value: SMB footprint enables dense layout; RoHS-compliant termination supports automated assembly and IPC-A-610 Class 3 compliance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar thyristor surge protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NP1100SxMCT3G (generic family part) | Same electrical specs but unspecified variant marking; lacks confirmed traceability to exact NP1100SCMCT3G production lot controls and UL recognition. | Acceptable for non-certified prototypes; not recommended for GR-1089-CORE final certification without validation. | Select NP1100SCMCT3G for production requiring UL Recognized Component status and documented DO-214AA mechanical consistency. |
| SMCJ90CA | Unidirectional TVS diode with 90 V standoff, 133 V clamping (VC), 350 W peak power, 100 pF capacitance - higher capacitance, lower surge current (100 A vs. 75 A @ 10×360 µs). | Suitable for lower-speed analog lines; unsuitable for >2 MHz xDSL due to 4× higher capacitance causing signal attenuation. | Choose NP1100SCMCT3G where low-capacitance linearity and telecom regulatory compliance are mandatory. |
Compared with NP1100SxMCT3G, NP1100SCMCT3G provides verified UL recognition and consistent SMB mechanicals; versus SMCJ90CA, it delivers 77% lower capacitance and superior linearity for broadband data integrity - making it the only option meeting ITU-T K.21 and GR-1089-CORE Category B simultaneously.
Availability
NP1100SCMCT3G is available at Aetrix Electronics and suitable for xDSL central office systems, T1/E1 data transmission equipment, and broadband access gateways requiring stable component supply, full traceability, and compliance-ready documentation.
Supply support for NP1100SCMCT3G 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 supplier specializing in energy-efficient power, analog, sensor, and connectivity solutions for automotive, industrial, cloud, and communications markets.
The NPMC Series, including NP1100SCMCT3G, was engineered specifically for telecom line protection - delivering ultra-low capacitance, precise breakover voltage, and GR-1089-CORE compliance in compact SMB packages.
FAQ
What is the maximum continuous operating voltage for NP1100SCMCT3G?
The NP1100SCMCT3G has a repetitive peak off-state voltage (VDRM) of ±90 V, meaning it can continuously withstand up to 90 V DC or peak AC voltage in either polarity without triggering. This rating ensures reliable transparency during normal operation of telecom lines with 48 V DC battery feed and 150 V RMS ringing voltage (212 V peak), provided design margins account for transient叠加.
Does NP1100SCMCT3G meet GR-1089-CORE Category B requirements?
Yes, NP1100SCMCT3G is explicitly rated for GR-1089-CORE Category B surge testing: it sustains 75 A peak impulse current under the 10×360 µs waveform and 50 A under 10×1000 µs, as confirmed in the official onsemi NPMC Series datasheet. Its ±130 V VBO and 23 pF capacitance further align with Category B line-card protection requirements.
How does NP1100SCMCT3G recover after a surge event?
After clamping a transient, NP1100SCMCT3G returns to its high-impedance off-state once line current falls below the 150 mA holding current (IH). This automatic recovery requires the protected circuit's steady-state load current to remain under 150 mA; exceeding this value may cause latch-up. No external reset or control signal is needed.
Is NP1100SCMCT3G compatible with lead-free reflow soldering?
Yes, NP1100SCMCT3G uses a Pb-free SMB package with matte tin terminations qualified for standard lead-free reflow profiles (J-STD-020). Its maximum junction temperature rating of +150 °C and thermal resistance of 90 °C/W allow safe processing on FR4 PCBs with 2 oz copper, provided pad layout follows onsemi's recommended solder footprint.
What is the off-state capacitance of NP1100SCMCT3G and why does it matter?
NP1100SCMCT3G exhibits 23 pF nominal off-state capacitance (CO) at 1 MHz and 2 Vdc bias. This ultra-low value prevents signal distortion and insertion loss in high-speed xDSL and T1/E1 data lines - unlike TVS diodes with >100 pF capacitance, which degrade SNR and limit achievable bit rates above 2 MHz.
NP1100SCMCT3G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Package/Case:
- DO-214AA, SMB
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Voltage - Breakover:
- 130V
- Voltage - Off State:
- 90V
- Voltage - On State:
- 4 V
- Current - Peak Pulse (8/20µs):
- 400 A
- Current - Peak Pulse (10/1000µs):
- 100 A
- Current - Hold (Ih):
- 150 mA
- Number of Elements:
- 1
- Capacitance:
- 33pF
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SMB
NP1100SCMCT3G FAQ
1.How can I place an order for NP1100SCMCT3G through Aetrix?
Please submit a Request for Quotation (RFQ) for NP1100SCMCT3G 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 NP1100SCMCT3G reliable?
The price and inventory of NP1100SCMCT3G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NP1100SCMCT3G is usually 5 days.
3.What payment methods are accepted for NP1100SCMCT3G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NP1100SCMCT3G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NP1100SCMCT3G?
NP1100SCMCT3G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NP1100SCMCT3G 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 NP1100SCMCT3G?
For technical support, including NP1100SCMCT3G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NP1100SCMCT3G requirements.
6.How does Aetrix verify that NP1100SCMCT3G is sourced from the original manufacturer or authorized distributors?
All NP1100SCMCT3G 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 NP1100SCMCT3G meets industry standards.
7.What is the process for return or replacement of NP1100SCMCT3G?
All NP1100SCMCT3G units undergo pre-shipment inspection (PSI). If there is an issue with NP1100SCMCT3G, 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 NP1100SCMCT3G part is unused and in its original packaging.
Return procedure for NP1100SCMCT3G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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