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Nexperia USA Inc. PTVS36VS1UR-QX
- Part No.:
- PTVS36VS1UR-QX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- TVS Diodes
- Package:
- SOD-123W
- Datasheet:
-
PTVS36VS1UR-QX.pdf
- Description:
- PTVS36VS1UR-Q/SOD123W/SOD2
- Quantity:
- Payment:
- Shipping:
Inventory:2,607
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Product details
Overview
PTVS36VS1UR-Q from Nexperia is a unidirectional 400 W Transient Voltage Suppressor (TVS) diode in SOD123W (CFP3) package, designed for automotive-grade overvoltage clamping on DC power rails. It features VRWM = 36 V, VBR(min) = 40.0 V, VCL(max) = 58.1 V at IPPM = 6.9 A (10/1000 µs), and qualifies to AEC-Q101 for under-hood power supply protection.
For engineers reviewing the PTVS36VS1UR-Q datasheet, PTVS36VS1UR-Q pinout, PTVS36VS1UR-Q application, or PTVS36VS1UR-Q equivalent, key selection criteria include clamping voltage margin vs. system rail tolerance, peak pulse current handling under ISO 7637-2 pulses, thermal resistance to PCB copper area, and AEC-Q101 qualification status for automotive deployment.
Technical Context
This unidirectional TVS operates as a reverse-biased avalanche clamp: when transient voltage exceeds VRWM (36 V), it breaks down at VBR ≥ 40.0 V and limits downstream voltage to ≤58.1 V at 6.9 A peak pulse current. Its 1 mm profile and SOD123W footprint enable compact placement near connectors or IC power inputs.
Rated for 400 W peak pulse power per IEC 61643-321 (10/1000 µs waveform), it sustains 30 kV ESD contact discharge and exhibits IRM ≤ 0.001 µA at VRWM - ensuring minimal leakage in always-on 12 V/24 V automotive subsystems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | 36 V - Maximum continuous reverse operating voltage before clamping begins; matches nominal 36 V battery or auxiliary rail systems. |
| VBR (min) | 40.0 V - Minimum breakdown voltage at 1 mA; ensures reliable turn-on with margin above VRWM. |
| VCL (max) | 58.1 V - Maximum clamped voltage at 6.9 A IPPM; defines worst-case protected circuit stress during transients. |
| PPPM | 400 W - Peak pulse power rating (10/1000 µs); supports robust immunity against load dump and inductive switching events. |
| IRM | 0.001 µA - Reverse leakage at VRWM; negligible current draw in standby, critical for low-power always-on modules. |
| Rth(j-a) | 220 K/W - Junction-to-ambient thermal resistance on standard FR4; informs derating requirements for sustained surge duty cycles. |
| AEC-Q101 | Qualified - Validated for automotive discrete semiconductor stress testing including temperature cycling, HBM ESD, and high-temp reverse bias life test. |
Pinout & Package
SOD123W (CFP3) surface-mount plastic package: 2.6 mm × 1.7 mm × 1.0 mm body, flat lead profile optimized for automated reflow assembly and space-constrained PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (K) | Cathode | Marked side with bar; connects to protected line (e.g., +12 V rail); avalanche conduction occurs from cathode to anode during overvoltage. |
| 2 (A) | Anode | Connects to ground reference; forms low-impedance path to GND during transient clamping; requires low-inductance layout. |
Key Features
| Feature | Design Value |
|---|---|
| Automotive qualification | AEC-Q101 qualified - Enables direct use in engine control units, body electronics, and ADAS power domains without additional reliability validation. |
| Low-profile packaging | 1.0 mm max height - Allows placement beneath connectors or in tight board-to-board interfaces where Z-height is constrained. |
| High ESD robustness | 30 kV contact / 30 kV air discharge per IEC 61000-4-2 - Protects against human-body and system-level electrostatic events in manufacturing and field operation. |
| Low leakage performance | IRM ≤ 0.001 µA at 36 V - Prevents battery drain in parked vehicle scenarios and avoids false triggering in precision sensing circuits. |
| Thermal design support | Rth(j-sp) = 18 K/W to solder point - Enables effective heat transfer to copper pour or thermal pad, improving surge endurance in repetitive event conditions. |
Applications
| Engine Control Unit (ECU) Power Input | Infotainment System USB Port Protection |
|---|---|
|
Use Scenario: Clamps load dump transients (ISO 7637-2 Pulse 5a) on 12 V supply feeding microcontroller and CAN transceivers. IC Role / Device Role / Timing Role: Unidirectional TVS placed between fused 12 V rail and local LDO input; responds within nanoseconds to suppress >100 V spikes. Use Value: Limits voltage seen by downstream regulators to ≤58.1 V, preventing latch-up or permanent damage to 40 V-rated input stages. |
Use Scenario: Guards 5 V USB VBUS line against hot-plug surges and ESD events in automotive head units. IC Role / Device Role / Timing Role: TVS mounted directly at USB connector, with short trace to GND plane; clamps fast-rising ESD pulses before reaching USB PHY. Use Value: Withstands 30 kV contact discharge while maintaining <0.001 µA leakage, preserving USB enumeration integrity and bus power budget. |
| ADAS Camera Module Power Rail | Body Control Module (BCM) LIN Bus Interface |
|
Use Scenario: Protects 3.3 V or 5 V imaging sensor power from coupled transients induced by nearby solenoid actuation. IC Role / Device Role / Timing Role: Secondary TVS stage after primary bulk clamp; placed adjacent to image sensor IC to suppress residual ringing and overshoot. Use Value: 400 W rating handles multiple sequential transients; 1 mm height allows integration into slim camera housing PCBs. |
Use Scenario: Shields LIN transceiver VCC pin from battery feed disturbances during ignition and alternator regulation transitions. IC Role / Device Role / Timing Role: TVS connected between LIN node VCC and chassis ground; absorbs slow-rising but high-energy voltage excursions. Use Value: VRWM = 36 V accommodates wide automotive battery range (9–16 V nominal, up to 36 V during load dump), avoiding false triggering. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ36A-Q | Lower PPPM (400 W same), but higher VCL = 59.0 V at 6.9 A; slightly larger SMA package (2.5 mm height). | Less suitable for ultra-low-profile automotive modules; identical AEC-Q101 qualification. | Select if existing SMA footprint reuse is prioritized over height reduction. |
| TPSMD36C-Q | Higher IPPM (7.5 A), lower VCL = 57.5 V; same SOD123W package; 30 kV ESD rating retained. | Better clamping margin for 36 V systems with tighter downstream voltage tolerances. | Prefer when protecting 40 V-rated loads requiring sub-58 V clamping ceiling. |
Compared with SMAJ36A-Q and TPSMD36C-Q, PTVS36VS1UR-Q delivers identical 400 W surge capability in the lowest possible 1 mm profile, making it optimal for next-generation compact automotive ECUs where Z-space and thermal mass are constrained.
Availability
PTVS36VS1UR-Q is available at Aetrix Electronics and suitable for automotive power supply protection, ADAS camera module hardening, and body control module LIN interface protection requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for PTVS36VS1UR-Q 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
Nexperia is a global semiconductor expert delivering high-performance, high-reliability discrete, logic, and MOSFET devices with focus on automotive, industrial, and mobile markets.
PTVS36VS1UR-Q belongs to the AEC-Q101-qualified PTVSxS1UR-Q series of unidirectional TVS diodes engineered specifically for robust transient suppression in automotive power networks and infotainment subsystems.
FAQ
What is the maximum clamping voltage of PTVS36VS1UR-Q at its rated peak pulse current?
The maximum clamping voltage (VCL) is 58.1 V at IPPM = 6.9 A under the standardized 10/1000 µs waveform per IEC 61643-321. This value is measured with the device mounted on a standard FR4 PCB and represents the worst-case voltage imposed on protected circuitry during a full-rated surge event.
Does PTVS36VS1UR-Q support bidirectional transient suppression?
No - PTVS36VS1UR-Q is a unidirectional TVS diode, configured to clamp only reverse-polarity transients on a positive supply rail. It conducts when voltage at the cathode exceeds the anode by ≥40.0 V. For AC or bipolar signal line protection, a bidirectional variant such as PTVS36VS1UR-Q-B would be required.
How does the SOD123W package affect thermal performance in high-surge applications?
The SOD123W package achieves Rth(j-sp) = 18 K/W to the cathode solder point, enabling efficient heat transfer to PCB copper. When mounted on a 1 cm² cathode pad, Rth(j-a) improves to 130 K/W - critical for sustaining repeated 400 W pulses without junction overheating beyond 150 °C.
Is PTVS36VS1UR-Q compatible with lead-free reflow soldering processes?
Yes - the device is qualified for lead-free reflow per J-STD-20, with a maximum peak temperature of 260 °C. The recommended reflow footprint (Fig. 4) specifies 0.1 mm stencil thickness and 2.1 mm × 1.6 mm solder land dimensions to ensure reliable wetting and mechanical attachment without tombstoning.
PTVS36VS1UR-QX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Package/Case:
- SOD-123W
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 36V (Max)
- Voltage - Breakdown (Min):
- 40V
- Voltage - Clamping (Max) @ Ipp:
- 58.1V
- Current - Peak Pulse (10/1000µs):
- 6.9A
- Power - Peak Pulse:
- 400W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-123W
PTVS36VS1UR-QX FAQ
1.How can I place an order for PTVS36VS1UR-QX through Aetrix?
Please submit a Request for Quotation (RFQ) for PTVS36VS1UR-QX 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 PTVS36VS1UR-QX reliable?
The price and inventory of PTVS36VS1UR-QX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PTVS36VS1UR-QX is usually 5 days.
3.What payment methods are accepted for PTVS36VS1UR-QX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PTVS36VS1UR-QX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PTVS36VS1UR-QX?
PTVS36VS1UR-QX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PTVS36VS1UR-QX 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 PTVS36VS1UR-QX?
For technical support, including PTVS36VS1UR-QX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PTVS36VS1UR-QX requirements.
6.How does Aetrix verify that PTVS36VS1UR-QX is sourced from the original manufacturer or authorized distributors?
All PTVS36VS1UR-QX 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 PTVS36VS1UR-QX meets industry standards.
7.What is the process for return or replacement of PTVS36VS1UR-QX?
All PTVS36VS1UR-QX units undergo pre-shipment inspection (PSI). If there is an issue with PTVS36VS1UR-QX, 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 PTVS36VS1UR-QX part is unused and in its original packaging.
Return procedure for PTVS36VS1UR-QX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PTVS36VS1UR-QX Tags
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DESD3V3E1BL-7B
Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Nexperia USA Inc.
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Toshiba Semiconductor and Storage
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Diodes Incorporated
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