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onsemi NSPM8151MUTBG
- Part No.:
- NSPM8151MUTBG
- Manufacturer:
- onsemi
- Category:
- TVS Diodes
- Package:
- 6-UFDFN Exposed Pad
- Datasheet:
-
NSPM8151MUTBG.pdf
- Description:
- TVS DIODE 15VWM 27VC 6UDFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,000
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Product details
Overview
NSPM8151MUTBG from onsemi is a unidirectional ESD and surge protection diode designed for 15 V supply rail clamping, delivering ±30 kV IEC 61000-4-2 contact discharge protection, 100 A (8/20 µs) peak pulse current handling, and 27 V clamping voltage at rated current - deployed in USB power lines, industrial I/O ports, and automotive body control modules.
For engineers reviewing the NSPM8151MUTBG datasheet, pinout, applications, or equivalent options, key selection criteria include working peak reverse voltage (15 V), clamping performance under 100 A surge, thermal stability across –55 °C to +125 °C, and UDFN6 package compatibility with high-density PCB layouts.
Technical Context
This device implements a high-voltage Zener-based unidirectional clamping architecture optimized for DC supply rail protection. It operates as a single-channel transient voltage suppressor with cathode-anode polarity, where VCC connects to the anode and GND to cathode terminals - enabling fast response to ESD events while maintaining low leakage (<1 µA at 15 V).
The NSPM8151MUTBG integrates a die-attach pad (DAP) on the package underside, electrically tied to ground for enhanced thermal dissipation and low-inductance grounding. Its electrical behavior follows standardized IEC 61000-4-5 lightning surge waveforms and complies with RoHS and Pb-free requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | 15 V - maximum continuous reverse operating voltage; must match or exceed protected rail's DC level |
| VBR (min) | 16 V @ 1 mA - ensures reliable breakdown initiation before system damage occurs |
| VC @ IPP | 27 V @ 100 A (8/20 µs) - clamping voltage during worst-case surge; defines max stress on downstream ICs |
| IPP | 100 A - peak pulse current rating per IEC 61000-4-5; validates robustness against lightning transients |
| ESD Rating | ±30 kV contact discharge per IEC 61000-4-2 Level 4 - exceeds industrial immunity requirements |
| Operating Temp | –55 °C to +125 °C - supports deployment in under-hood automotive and industrial environments |
Pinout & Package
NSPM8151MUTBG uses a 6-lead UDFN package (Case 517CS, 1.8 mm × 2.0 mm, 0.4 mm pitch) with exposed die-attach pad (DAP) on the bottom surface, intended for solder connection to PCB ground plane to improve thermal and ESD performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (VCC) | Anode | Input terminal connected to protected supply rail; conducts surge current toward ground |
| 2, 3, 4 (N/C) | No Connect | Internally unconnected; must remain floating - no routing or stitching required |
| 5, 6 (GND) | Cathode / Ground Return | Low-inductance path to system ground; ties to DAP for optimal thermal conduction |
Key Features
| Feature | Design Value |
|---|---|
| Unidirectional Clamping | Enables rail-specific protection without affecting signal integrity on bidirectional data lines |
| 100 A Surge Rating | Withstands severe IEC 61000-4-5 lightning surges without degradation or latch-up |
| Exposed DAP Grounding | Reduces thermal resistance by >40% vs. standard UDFN; improves long-term reliability under repeated transients |
| Pb-Free & RoHS Compliant | Meets global environmental regulations and lead-free reflow soldering profiles (J-STD-020) |
Applications
| USB Power Input Protection | Industrial Sensor Interface |
|---|---|
Use Scenario: Protecting 5 V/12 V USB-C PD input stages from ESD and hot-swap transients in factory automation gateways. IC Role / Device Role / Timing Role: Unidirectional TVS diode placed between VBUS and GND to clamp overvoltage before it reaches PMIC or controller. Use Value: Limits clamped voltage to 27 V during 100 A surge, preventing damage to downstream USB PD controllers rated for ≤30 V absolute max. | Use Scenario: Safeguarding analog sensor inputs (e.g., 4–20 mA loop receivers) in harsh industrial PLC modules exposed to field wiring surges. IC Role / Device Role / Timing Role: Supply rail protector on isolated 15 V auxiliary bias rail powering op-amps and ADC front-ends. Use Value: Maintains <1 µA leakage at 15 V, avoiding offset errors in precision measurement circuits while surviving ±30 kV ESD events. |
| Automotive Body Control Unit | Smart Meter Power Supply |
Use Scenario: Securing 12 V battery-supplied microcontroller rails in BCM modules subject to load-dump and jump-start conditions. IC Role / Device Role / Timing Role: Primary clamping device on MCU VDD line, coordinated with upstream fuse and secondary LC filtering. Use Value: Operates reliably from –55 °C to +125 °C and withstands 100 A pulses - critical for under-hood thermal cycling and surge resilience. | Use Scenario: Protecting 15 V SMPS output in utility smart meters installed in outdoor meter cabinets vulnerable to induced lightning surges. IC Role / Device Role / Timing Role: Final-stage rail protector after bulk filtering, ensuring downstream metrology SoC remains within safe operating area. Use Value: Delivers 27 V clamping at full 100 A rating - keeps SoC supply below its 30 V absolute maximum, preventing latch-up or permanent failure. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional surge protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ15A | DO-214AC package; 1500 W peak power; higher clamping voltage (24.4 V @ 38.8 A) | Larger footprint; lower surge current rating (38.8 A vs. 100 A); suited for lower-energy transients | Select when board space allows larger SMC/SMA packages and surge threat level is below IEC 61000-4-5 Class 3 |
| SMF15 | SOD-123FL package; same VRWM (15 V); lower IPP (50 A); clamping voltage 23.2 V @ 50 A | Smaller than UDFN6 but lacks DAP; limited thermal capacity for repetitive surges | Prefer for cost-sensitive consumer designs with moderate ESD exposure and no lightning risk |
Compared with SMAJ15A and SMF15, the NSPM8151MUTBG provides superior surge current handling (100 A), lower thermal resistance via DAP, and tighter clamping (27 V), making it optimal for space-constrained industrial and automotive applications requiring IEC 61000-4-5 compliance.
Availability
NSPM8151MUTBG is available at Aetrix Electronics and suitable for USB power input protection, industrial sensor interface design, and automotive body control unit development requiring stable component supply and long-term lifecycle assurance.
Supply support for NSPM8151MUTBG 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 is a global semiconductor supplier delivering energy-efficient, intelligent power and sensing solutions for automotive, industrial, cloud, medical, and IoT applications.
The NSPM8151MUTBG belongs to onsemi's transient voltage suppression portfolio, engineered specifically for compact, high-reliability unidirectional rail protection in next-generation industrial and automotive electronics.
FAQ
What is the maximum clamping voltage of the NSPM8151MUTBG during a 100 A surge event?
The NSPM8151MUTBG clamps to a maximum of 27 V at 100 A (8/20 µs waveform), as specified in Table 2 of the official onsemi datasheet. This value defines the upper voltage limit imposed on protected circuitry during worst-case surge conditions and is measured under standardized IEC 61000-4-5 test conditions. The NSPM8151MUTBG maintains this clamping performance across its full operating temperature range.
Does the NSPM8151MUTBG require connection of the die-attach pad (DAP)?
Yes - the DAP on the underside of the NSPM8151MUTBG package must be soldered to a PCB ground plane. It is electrically connected to pins 5 and 6 (GND) and serves as the primary thermal and low-inductance return path. Omitting DAP connection degrades surge handling capability and increases junction temperature during repetitive transients. The NSPM8151MUTBG datasheet explicitly specifies DAP grounding in the mechanical drawings and mounting footprint guidelines.
Can the NSPM8151MUTBG be used for bidirectional signal line protection?
No - the NSPM8151MUTBG is strictly unidirectional and designed only for supply rail protection (anode-to-rail, cathode-to-ground). It does not provide symmetric clamping for AC or bidirectional data lines like USB D+/D− or CAN bus. Using it on signal lines risks forward conduction during normal operation and fails to suppress negative transients. For bidirectional protection, engineers must select dedicated devices such as the NUP4201MR6 or ESD5Z series - not the NSPM8151MUTBG.
What is the leakage current specification for NSPM8151MUTBG at its working voltage?
The NSPM8151MUTBG exhibits a maximum reverse leakage current of 1 µA at its working peak reverse voltage (VRWM) of 15 V, measured at 25 °C ambient. This low leakage ensures minimal impact on power rail efficiency and avoids loading sensitive analog circuits. The parameter is validated per onsemi's Electrical Characteristics table and remains stable across the full –55 °C to +125 °C operating range, supporting precision applications where quiescent current matters - a key advantage of the NSPM8151MUTBG over higher-leakage alternatives.
Is NSPM8151MUTBG pin-compatible with NSPM8181MUTBG?
No - although both share the same UDFN6 package and pinout, the NSPM8151MUTBG and NSPM8181MUTBG differ in key electrical parameters: VRWM (15 V vs. 18 V), VBR (16–18.5 V vs. 20–23.5 V), and IPP (100 A vs. 119 A). Substituting one for the other without verifying system voltage margins and surge threat level may result in premature clamping or insufficient protection. The NSPM8151MUTBG is not a drop-in replacement for NSPM8181MUTBG, and vice versa.
NSPM8151MUTBG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Package/Case:
- 6-UFDFN Exposed Pad
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 15V (Max)
- Voltage - Breakdown (Min):
- 16V
- Voltage - Clamping (Max) @ Ipp:
- 27V
- Current - Peak Pulse (10/1000µs):
- 100A (8/20µs)
- Power - Peak Pulse:
- 2500W(2.5kW)
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-UDFN (1.8x2)
NSPM8151MUTBG FAQ
1.How can I place an order for NSPM8151MUTBG through Aetrix?
Please submit a Request for Quotation (RFQ) for NSPM8151MUTBG 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 NSPM8151MUTBG reliable?
The price and inventory of NSPM8151MUTBG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NSPM8151MUTBG is usually 5 days.
3.What payment methods are accepted for NSPM8151MUTBG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NSPM8151MUTBG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NSPM8151MUTBG?
NSPM8151MUTBG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NSPM8151MUTBG 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 NSPM8151MUTBG?
For technical support, including NSPM8151MUTBG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NSPM8151MUTBG requirements.
6.How does Aetrix verify that NSPM8151MUTBG is sourced from the original manufacturer or authorized distributors?
All NSPM8151MUTBG 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 NSPM8151MUTBG meets industry standards.
7.What is the process for return or replacement of NSPM8151MUTBG?
All NSPM8151MUTBG units undergo pre-shipment inspection (PSI). If there is an issue with NSPM8151MUTBG, 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 NSPM8151MUTBG part is unused and in its original packaging.
Return procedure for NSPM8151MUTBG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
NSPM8151MUTBG 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
-
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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