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onsemi NZ8DH27VMXWT5G
- Part No.:
- NZ8DH27VMXWT5G
- Manufacturer:
- onsemi
- Category:
- TVS Diodes
- Package:
- 2-UDFN
- Datasheet:
-
NZ8DH27VMXWT5G.pdf
- Description:
- DUAL DIODE ZENER PROTECTION 27V
- Quantity:
- Payment:
- Shipping:
Inventory:9,307
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Product details
Overview
NZ8DH27VMXWT5G from onsemi is a bidirectional Zener protection diode designed for ESD and transient overvoltage suppression in voltage-sensitive signal lines. It features a 27 V working peak reverse voltage (VRWM), 30.7 V typical clamping voltage at 1.0 A, ±30 kV IEC 61000-4-2 contact ESD rating, and 12 pF capacitance at 0 V - optimized for automotive ECUs and in-vehicle networking interfaces.
For engineers reviewing the NZ8DH27VMXWT5G datasheet, pinout, applications, or equivalent options, key selection criteria include clamping performance under 1.0 A pulse, ultra-low 12 pF line capacitance, AEC-Q101 qualification, wettable flank XDFNW2 package for AOI, and 175 °C maximum junction temperature capability.
Technical Context
The NZ8DH27VMXWT5G implements a symmetric bidirectional Zener structure enabling equal clamping in both polarities, with breakdown voltage specified between pins 1 and 2 in either direction. Its 27 V VRWM and 25.95–29.85 V VBR range (at 5 mA) define precise DC blocking and turn-on thresholds for transient suppression.
Designed for high-reliability automotive environments, it supports continuous operation up to 175 °C TJ and delivers 4.5 A peak pulse current (8/20 µs), with thermal resistance of 400 °C/W (junction-to-ambient, FR-4 board). The XDFNW2 package enables compact layout while maintaining solder-joint inspection capability via wettable flanks.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | 27 V - Maximum continuous reverse voltage before significant leakage; sets operating margin for protected signal lines. |
| VBR (min/max) | 25.95 V / 29.85 V @ 5 mA - Confirmed bidirectional breakdown window ensures predictable turn-on during transients. |
| VC @ IPP=1.0 A | 30.7 V typ - Clamping voltage limits stress on downstream ICs during ESD events without excessive overshoot. |
| C @ 0 V, 1 MHz | 12 pF - Ultra-low capacitance preserves signal integrity in high-speed data lines (e.g., CAN FD, LIN, SENT). |
| ESD Rating | ±30 kV (IEC 61000-4-2 contact/air) - Meets stringent automotive ESD immunity requirements. |
| TJ(MAX) | +175 °C - Enables deployment in engine bay, transmission control, and other high-temperature mission-critical locations. |
| Ipp (8/20 µs) | 4.5 A - Sustains high-energy transients per ISO 10605 and IEC 61000-4-5 surge standards. |
Pinout & Package
Package: XDFNW2 (Case 521AE), 1.0 mm × 0.6 mm × 0.5 mm, wettable flank, Pb-free, RoHS-compliant surface-mount package.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode/Cathode (bidirectional) | Interchangeable terminal; forms symmetrical Zener pair with Pin 2 for dual-polarity clamping. |
| Pin 2 | Anode/Cathode (bidirectional) | Interchangeable terminal; completes bidirectional ESD path with Pin 1 - no polarity marking required. |
Key Features
| Feature | Design Value |
|---|---|
| Precise clamping voltage | 30.7 V typical at 1.0 A ensures consistent overvoltage limiting across production lots and temperature range. |
| AEC-Q101 qualified | Validated for automotive electronics including ECUs, body controllers, and ADAS sensor interfaces. |
| Wettable flank package | XDFNW2 footprint enables automated optical inspection (AOI) of solder joints - critical for zero-defect automotive manufacturing. |
| High-temperature operation | Rated to +175 °C TJ supports placement near heat sources (e.g., powertrain modules, inverters) without derating. |
| Low line capacitance | 12 pF minimizes signal distortion and timing skew on high-speed serial buses (e.g., CAN, LIN, FlexRay). |
Applications
| Automotive Engine Control Unit (ECU) | In-Vehicle Networking (IVN) |
|---|---|
Use Scenario: Protecting CAN FD and LIN bus pins from ESD and load-dump induced transients in under-hood ECUs. IC Role / Device Role / Timing Role: Bidirectional transient voltage suppressor placed directly at connector interface before signal conditioning ICs. Use Value: 30.7 V clamping prevents latch-up in CAN transceivers; 12 pF avoids signal rise-time degradation on 5 Mbps CAN FD lines. | Use Scenario: Safeguarding SENT sensor inputs and diagnostic lines in body control modules exposed to assembly-line ESD. IC Role / Device Role / Timing Role: Low-capacitance shunt protector on analog/digital sensor signal paths with minimal loading effect. Use Value: ±30 kV ESD rating meets ISO 10605 requirements; 175 °C rating allows placement adjacent to power regulators. |
| Advanced Driver Assistance Systems (ADAS) | Industrial Motor Control Interfaces |
Use Scenario: Shielding radar module LVDS clock and data lanes from board-level ESD during handling and integration. IC Role / Device Role / Timing Role: Signal-line TVS diode deployed inline with high-speed differential pairs to clamp common-mode surges. Use Value: Symmetric clamping ensures identical response on both LVDS lines; 12 pF avoids jitter accumulation in 100+ MHz clock paths. | Use Scenario: Protecting isolated RS-485 transceiver I/O pins in motor drives subjected to repetitive switching transients. IC Role / Device Role / Timing Role: Primary overvoltage clamp on fieldbus physical layer, coordinated with upstream MOV/gas-tube staging. Use Value: 4.5 A Ipp handles repeated 8/20 µs surges; 27 V VRWM matches 24 V system rail tolerance margins. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SZ1.5SM27A | Unidirectional, DO-214AC package (4.5 mm × 3.5 mm), higher 33.3 V clamping at 12.3 A, 100 pF capacitance. | Requires polarity-aware layout; unsuitable for bidirectional buses like CAN or LIN without external circuitry. | Select only when unidirectional protection suffices and board space permits larger footprint. |
| TPD2E001DRYR | 2-channel bidirectional array, SOT-563, 15 pF per channel, 12 V VRWM, ±8 kV ESD rating. | Limited to low-voltage logic I/O; insufficient clamping headroom for 24 V automotive systems. | Use for 3.3/5 V digital interfaces only - not a functional replacement for NZ8DH27VMXWT5G's 27 V system-level protection. |
Compared with SZ1.5SM27A and TPD2E001DRYR, NZ8DH27VMXWT5G uniquely combines bidirectional 27 V clamping, 12 pF capacitance, ±30 kV ESD robustness, and AEC-Q101 qualification in a 1.0 × 0.6 mm wettable flank package - making it the only drop-in solution for space-constrained, high-reliability automotive signal line protection.
Availability
NZ8DH27VMXWT5G is available at Aetrix Electronics and suitable for automotive ECUs, in-vehicle networking nodes, and ADAS sensor interfaces requiring stable component supply, AEC-Q101 compliance, and long-term lifecycle support.
Supply support for NZ8DH27VMXWT5G 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 (Semiconductor Components Industries, LLC) is a global semiconductor supplier delivering energy-efficient, intelligent power and sensing solutions for automotive, industrial, cloud, medical, and IoT applications.
The NZ8DH Series is part of onsemi's automotive-grade transient voltage suppression portfolio, engineered specifically for high-temperature, high-reliability ESD protection in next-generation vehicle electronic architectures.
FAQ
What is the clamping voltage of NZ8DH27VMXWT5G at 1.0 A peak pulse current?
The NZ8DH27VMXWT5G has a typical clamping voltage (VC) of 30.7 V at 1.0 A (8/20 µs waveform), as specified in the Electrical Characteristics table. This value ensures predictable overvoltage limiting during ESD events while maintaining safe margins below the absolute maximum ratings of protected ICs. The actual clamping voltage remains within tight process control across temperature and lot variations, supporting robust design validation for automotive applications.
Is NZ8DH27VMXWT5G qualified for automotive use?
Yes, NZ8DH27VMXWT5G is AEC-Q101 qualified and PPAP capable, with an extended junction temperature range of −55 °C to +175 °C. It carries the SZ prefix option for automotive-specific traceability and change control, and its design targets mission-critical automotive subsystems including engine control, body electronics, and ADAS sensor interfaces where reliability under thermal and electrical stress is mandatory.
What package type does NZ8DH27VMXWT5G use, and why is it beneficial?
NZ8DH27VMXWT5G uses the XDFNW2 package (Case 521AE), measuring 1.0 mm × 0.6 mm × 0.5 mm with wettable flanks. This ultra-compact, leadless design reduces PCB area by >70% versus SOT-23 alternatives, while the wettable flanks enable automated optical inspection (AOI) of solder joints - a critical requirement for zero-defect automotive manufacturing and high-yield SMT assembly.
Does NZ8DH27VMXWT5G support bidirectional transient protection?
Yes, NZ8DH27VMXWT5G is inherently bidirectional: its Zener structure provides symmetrical clamping between Pin 1 and Pin 2 in either polarity, with identical VBR and VC specifications measured both ways. This eliminates polarity concerns during layout and makes it ideal for protecting AC-coupled or differential signal lines such as CAN, LIN, and SENT without additional components or routing constraints.
What is the maximum peak pulse current rating for NZ8DH27VMXWT5G?
The NZ8DH27VMXWT5G is rated for a maximum peak pulse current (Ipp) of 4.5 A under the 8/20 µs waveform condition, as defined in the Maximum Ratings table. This rating reflects its ability to safely absorb high-energy transients per ISO 10605 and IEC 61000-4-5 standards, supporting robust protection in harsh automotive and industrial environments where repetitive surge exposure occurs.
NZ8DH27VMXWT5G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Package/Case:
- 2-UDFN
- Series:
- NZ8DH
- Packaging:
- Bulk
- Product Status:
- Discontinued at Digi-Key
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 22V (Max)
- Voltage - Breakdown (Min):
- 25.95V
- Voltage - Clamping (Max) @ Ipp:
- 30.7V
- Current - Peak Pulse (10/1000µs):
- 1A
- Power - Peak Pulse:
- -
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 12pF @ 1MHz
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- 2-X2DFNW (1x0.6)
NZ8DH27VMXWT5G FAQ
1.How can I place an order for NZ8DH27VMXWT5G through Aetrix?
Please submit a Request for Quotation (RFQ) for NZ8DH27VMXWT5G 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 NZ8DH27VMXWT5G reliable?
The price and inventory of NZ8DH27VMXWT5G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NZ8DH27VMXWT5G is usually 5 days.
3.What payment methods are accepted for NZ8DH27VMXWT5G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NZ8DH27VMXWT5G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NZ8DH27VMXWT5G?
NZ8DH27VMXWT5G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NZ8DH27VMXWT5G 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 NZ8DH27VMXWT5G?
For technical support, including NZ8DH27VMXWT5G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NZ8DH27VMXWT5G requirements.
6.How does Aetrix verify that NZ8DH27VMXWT5G is sourced from the original manufacturer or authorized distributors?
All NZ8DH27VMXWT5G 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 NZ8DH27VMXWT5G meets industry standards.
7.What is the process for return or replacement of NZ8DH27VMXWT5G?
All NZ8DH27VMXWT5G units undergo pre-shipment inspection (PSI). If there is an issue with NZ8DH27VMXWT5G, 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 NZ8DH27VMXWT5G part is unused and in its original packaging.
Return procedure for NZ8DH27VMXWT5G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
NZ8DH27VMXWT5G Tags
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ESD9B5.0ST5G
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ESD5Z3.3T1G
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ESD5Z5.0T1G
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DESD5V0U1BB-7
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D12V0L1B2LP-7B
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PESD2V0Y1BSFYL
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