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onsemi NSPU2131MUT5G
- Part No.:
- NSPU2131MUT5G
- Manufacturer:
- onsemi
- Category:
- TVS Diodes
- Package:
- 2-UDFN
- Datasheet:
-
NSPU2131MUT5G.pdf
- Description:
- HIGH SURGE ESD PROTECTION
- Quantity:
- Payment:
- Shipping:
Inventory:4,055
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Product details
Overview
NSPU2131MUT5G from onsemi is a unidirectional ESD protection diode in UDFN2 (1.6 × 1.0 mm) package, rated for ±30 kV IEC61000−4−2 contact discharge, 90 A IEC61000−4−5 lightning surge, and 13.5 V working reverse voltage - deployed to safeguard high-speed USB 2.0, HDMI, and audio data lines against electrostatic damage.
For engineers reviewing the NSPU2131MUT5G datasheet, pinout, applications, or equivalent options, key selection criteria include clamping voltage at 8–16 A TLP (15.8–16.2 V), junction capacitance (550–650 pF), dynamic resistance (0.05 Ω), and RoHS-compliant Pb-free UDFN2 footprint compatibility with space-constrained portable interfaces.
Technical Context
This device operates as a single-channel, cathode-to-ground unidirectional TVS diode, with breakdown initiated at 13.6 V (min) and clamping sustained below 23 V at 90 A 8/20 µs surge. Its low dynamic resistance (0.05 Ω) ensures rapid voltage suppression during sub-100 ns ESD transients.
Designed for I/O line protection in consumer electronics, it meets IEC61000−4−2 Level 4 (±30 kV contact) and IEC61000−4−5 (90 A, 8/20 µs), while maintaining 550–650 pF capacitance at 0 V bias - enabling use on 480 Mbps USB 2.0 signals without signal integrity degradation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Working Reverse Voltage | 13.5 V - maximum continuous DC voltage applied before leakage exceeds 0.5 µA; sets upper limit for protected signal swing. |
| Breakdown Voltage | 13.6–17.5 V @ 1 mA - defines turn-on threshold; ensures conduction begins before downstream IC damage occurs. |
| Clamping Voltage | 15.8 V @ 8 A TLP - peak voltage seen by protected IC during IEC Level 2 ESD event; critical for 3.3 V/5 V interface survival. |
| Peak Pulse Current | 90 A @ 8/20 µs - withstands IEC61000−4−5 lightning surges without failure; validated per Figure 10 waveform. |
| Junction Capacitance | 550–650 pF @ 0 V, 1 MHz - low enough for <1% signal attenuation on USB 2.0 differential pairs at 480 Mbps. |
| Dynamic Resistance | 0.05 Ω - enables fast, low-voltage clamping response under high di/dt ESD conditions. |
Pinout & Package
NSPU2131MUT5G uses the UDFN2 (Case 517CZ) 2-pin package: 1.6 mm × 1.0 mm × 0.5 mm body, 0.55 mm pitch, with exposed thermal pad not connected internally. Pin 1 is Cathode; Pin 2 is Anode.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Cathode | Connected to system ground; provides low-impedance path for ESD current during positive transients on protected line. |
| Pin 2 | Anode | Connected to protected I/O line (e.g., USB D+, HDMI TMDS+); reverse-biased during normal operation. |
Key Features
| Feature | Design Value |
|---|---|
| IEC61000−4−2 Level 4 ESD protection | ±30 kV contact discharge - exceeds industrial and consumer immunity requirements without external circuitry. |
| Low clamping voltage at 16 A TLP | 16.2 V - limits stress on 3.3 V logic inputs during worst-case ESD events per IEC Level 4 equivalence. |
| Ultra-low dynamic resistance | 0.05 Ω - minimizes voltage overshoot during fast-rising ESD pulses (<1 ns rise time). |
| Pb-free, Halogen-free, RoHS-compliant | Meets IPC-J-STD-609 Class 3 moisture sensitivity and JEDEC J-STD-020 reflow profile for lead-free assembly. |
Applications
| USB 2.0 Interface Protection | HDMI Data Line Protection |
|---|---|
Use Scenario: Protecting USB 2.0 D+ and D− lines in smartphones, tablets, and docking stations from user-hand ESD events. IC Role / Device Role: Unidirectional shunt clamp between signal line and ground, activated only during overvoltage. Use Value: Clamps to ≤16.2 V at 16 A TLP while adding only 600 pF capacitance - preserves eye diagram integrity at 480 Mbps. | Use Scenario: Safeguarding HDMI TMDS+ and TMDS− channels in TVs, monitors, and set-top boxes against cable-discharge events. IC Role / Device Role: Low-capacitance transient voltage suppressor placed directly at HDMI connector pins. Use Value: 550–650 pF capacitance avoids signal rise-time degradation; 90 A surge rating handles hot-plug induced transients. |
| Audio Jack ESD Protection | Industrial Control I/O Protection |
Use Scenario: Shielding 3.5 mm audio jack tip/ring contacts in laptops and headsets from repeated plug/unplug ESD. IC Role / Device Role: Ground-referenced unidirectional TVS diode on each analog audio path. Use Value: 13.5 V VRWM allows full swing of ±12 V audio signals; 30 kV contact rating prevents jack corrosion-induced failures. | Use Scenario: Protecting RS-232 or CAN FD transceiver I/O pins in factory automation controllers exposed to maintenance personnel ESD. IC Role / Device Role: Primary front-end ESD clamp before signal conditioning circuitry. Use Value: −65 °C to +150 °C operating range supports extended temperature industrial deployment; RoHS compliance meets EU machinery directives. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ESD5Z3.3T5G | Lower VRWM (3.3 V), higher capacitance (1000 pF), same UDFN2 package | Better suited for 3.3 V logic rails; unsuitable for 12–15 V analog/audio lines | Select when protecting low-voltage digital I/O where clamping below 5 V is mandatory. |
| SMAJ15A | DO-214AC package, 15 V VBR, 400 W peak power, 1000 pF capacitance | Larger footprint; used in board-level surge protection, not high-speed data lines | Choose for cost-sensitive industrial power rail protection where PCB area and speed are secondary. |
Compared with ESD5Z3.3T5G and SMAJ15A, NSPU2131MUT5G uniquely balances 13.5 V working voltage, sub-650 pF capacitance, and UDFN2 size - making it optimal for mixed-signal interfaces requiring both analog headroom and digital bandwidth.
Availability
NSPU2131MUT5G is available at Aetrix Electronics and suitable for USB 2.0 interface protection, HDMI data line hardening, and audio jack ESD mitigation requiring stable component supply across high-volume consumer electronics programs.
Supply support for NSPU2131MUT5G 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 delivering energy-efficient silicon solutions for automotive, industrial, cloud, medical, and IoT applications.
The NSPU2131MUT5G belongs to onsemi's ESD protection diode family, engineered specifically for high-speed data line immunity in portable and interface-rich consumer electronics.
FAQ
What is the maximum working voltage supported by NSPU2131MUT5G?
The NSPU2131MUT5G has a working peak reverse voltage (VRWM) of 13.5 V, meaning it can safely block up to 13.5 V DC or peak AC signals during normal operation without significant leakage. This makes NSPU2131MUT5G appropriate for protecting 12 V analog audio paths and 5 V/3.3 V digital interfaces where transient headroom is required. Exceeding VRWM risks premature conduction and increased power dissipation.
Does NSPU2131MUT5G support bidirectional ESD protection?
No, NSPU2131MUT5G is a unidirectional ESD protection diode, configured as a cathode-to-ground device. It protects against positive transients on the anode (Pin 2) relative to ground (Pin 1), but does not clamp negative excursions beyond its forward voltage (~0.7 V). For bidirectional protection, two NSPU2131MUT5G devices in series opposition or a dedicated bidirectional part like ESD7L5.0DT5G would be required.
What is the junction capacitance of NSPU2131MUT5G and how does it affect high-speed signals?
The NSPU2131MUT5G exhibits 550–650 pF junction capacitance at 0 V bias and 1 MHz. This low value minimizes loading on high-speed differential pairs: for USB 2.0 (480 Mbps), it introduces <1% rise-time degradation and preserves signal integrity within USB compliance margins. Designers should place NSPU2131MUT5G as close as possible to the connector to avoid stub-induced impedance discontinuities.
Can NSPU2131MUT5G handle IEC61000−4−5 lightning surges?
Yes, NSPU2131MUT5G is rated for 90 A peak pulse current under the IEC61000−4−5 8/20 µs waveform at 25°C ambient. Its clamping voltage remains ≤23 V at 90 A, ensuring downstream ICs see limited overvoltage. However, for sustained surge environments (e.g., outdoor Ethernet), NSPU2131MUT5G should be paired with upstream GDT or polymer PTC for energy sharing - as it is optimized for fast ESD, not long-duration surges.
Is NSPU2131MUT5G compatible with lead-free reflow processes?
Yes, NSPU2131MUT5G is Pb-free, halogen-free, and RoHS-compliant, qualified for standard lead-free reflow profiles per JEDEC J-STD-020. Its UDFN2 package supports peak temperatures up to 260°C for 30 seconds. The device's moisture sensitivity level (MSL) is Level 1 - unlimited floor life at ≤30°C/85% RH - simplifying manufacturing handling without baking requirements.
NSPU2131MUT5G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Package/Case:
- 2-UDFN
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 13.5V (Max)
- Voltage - Breakdown (Min):
- 13.6V
- Voltage - Clamping (Max) @ Ipp:
- 23V
- Current - Peak Pulse (10/1000µs):
- 90A (8/20µs)
- Power - Peak Pulse:
- -
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 550pF @ 1MHz
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 2-UDFN (1.6x1)
NSPU2131MUT5G FAQ
1.How can I place an order for NSPU2131MUT5G through Aetrix?
Please submit a Request for Quotation (RFQ) for NSPU2131MUT5G 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 NSPU2131MUT5G reliable?
The price and inventory of NSPU2131MUT5G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NSPU2131MUT5G is usually 5 days.
3.What payment methods are accepted for NSPU2131MUT5G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NSPU2131MUT5G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NSPU2131MUT5G?
NSPU2131MUT5G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NSPU2131MUT5G 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 NSPU2131MUT5G?
For technical support, including NSPU2131MUT5G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NSPU2131MUT5G requirements.
6.How does Aetrix verify that NSPU2131MUT5G is sourced from the original manufacturer or authorized distributors?
All NSPU2131MUT5G 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 NSPU2131MUT5G meets industry standards.
7.What is the process for return or replacement of NSPU2131MUT5G?
All NSPU2131MUT5G units undergo pre-shipment inspection (PSI). If there is an issue with NSPU2131MUT5G, 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 NSPU2131MUT5G part is unused and in its original packaging.
Return procedure for NSPU2131MUT5G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
NSPU2131MUT5G Tags
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ESD9B5.0ST5G
onsemi
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DESD3V3E1BL-7B
Diodes Incorporated
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ESD5Z3.3T1G
onsemi
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D5V0H1B2LP-7B
Diodes Incorporated
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D5V0P1B2LP-7B
Diodes Incorporated
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DESD5V0U1BA-7
Diodes Incorporated
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ESD5Z5.0T1G
onsemi
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DESD5V0U1BB-7
Diodes Incorporated
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D12V0L1B2LP-7B
Diodes Incorporated
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PESD2V0Y1BSFYL
Nexperia USA Inc.
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DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
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D5V0L1B2WS-7
Diodes Incorporated
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