My Inquiry
My Account
Nexperia USA Inc. PTVS22VS1UTR-QX
- Part No.:
- PTVS22VS1UTR-QX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- TVS Diodes
- Package:
- SOD-123W
- Datasheet:
-
PTVS22VS1UTR-QX.pdf
- Description:
- PTVS22VS1UTR-Q/SOD123W/SOD2
- Quantity:
- Payment:
- Shipping:
Inventory:2,975
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
PTVS22VS1UTR-QX from Nexperia is a unidirectional 400 W transient voltage suppressor (TVS) diode in SOD123W (CFP3) package, designed for high-temperature overvoltage protection in automotive power rails. It features VRWM = 22 V, VBR(min) = 24.4 V, VCL = 35.5 V at IPPM = 11.3 A (10/1000 μs), and operates up to Tj = 185 °C.
For engineers reviewing the PTVS22VS1UTR-QX datasheet, PTVS22VS1UTR-QX pinout, PTVS22VS1UTR-QX application, or PTVS22VS1UTR-QX equivalent, this device is selected for robust clamping in 24 V automotive subsystems, battery management inputs, and industrial DC power interfaces where thermal stability and AEC-Q101 qualification are mandatory.
Technical Context
This TVS diode uses a planar silicon junction structure optimized for fast response (<1 ns) to transients per IEC 61643-321 (10/1000 μs waveform). Its unidirectional configuration provides low clamping voltage with minimal leakage (IRM ≤ 0.001 µA at VRWM).
Thermal design is enabled by Rth(j-sp) = 18 K/W to cathode solder point and rated junction temperature of 185 °C - validated under AEC-Q101 stress testing including HBM ESD (8 kV), contact/air discharge (30 kV), and high-temp operating life.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | 22 V reverse standoff voltage - blocks normal 24 V rail operation while triggering only above system overvoltage threshold |
| VBR (min) | 24.4 V breakdown voltage at IR = 1 mA - ensures reliable turn-on before downstream IC damage |
| VCL | 35.5 V clamping voltage at IPPM = 11.3 A - limits surge energy to safe levels for connected 24 V logic and sensors |
| PPPM | 400 W peak pulse power (10/1000 μs) - sustains high-energy load dump and ISO 7637-2 pulses without degradation |
| IRM | ≤ 0.001 µA reverse leakage at VRWM - prevents quiescent current drain in always-on automotive modules |
| Tj max | 185 °C maximum junction temperature - supports under-hood placement near ECUs and power converters |
| AEC-Q101 | Qualified per Automotive Electronics Council standard - validated for temperature cycling, humidity, and mechanical shock |
Pinout & Package
PTVS22VS1UTR-QX is housed in a SOD123W (CFP3) surface-mount plastic package measuring 2.6 mm × 1.7 mm × 1.0 mm with flat leads and 0.9 mm lead pitch. The cathode is marked by a bar on the component body.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (K) | Cathode | Connected to protected circuit's positive rail; absorbs surge current into ground path during clamping |
| 2 (A) | Anode | Connected to system ground; completes conduction path when reverse voltage exceeds VRWM |
Key Features
| Feature | Design Value |
|---|---|
| High-temperature operation | Junction rating up to 185 °C enables direct mounting on hot PCB zones near power MOSFETs or DC-DC converters |
| Low-profile SMD package | 1.0 mm height allows use in space-constrained automotive modules and compact industrial controllers |
| AEC-Q101 qualification | Validated for automotive-grade reliability including 1000-cycle temperature cycling and 1000-hour HTOL |
| ESD robustness | 30 kV air/contact discharge (IEC 61000-4-2) and 8 kV HBM support integration in exposed connector interfaces |
| Stable clamping across temp | Temperature coefficient SZ = 0.5 mV/K ensures predictable VCL variation from −55 °C to +150 °C |
Applications
| Automotive Power Rail Protection | Industrial 24 V PLC Input |
|---|---|
Use Scenario: Protecting CAN transceiver power pins and microcontroller supply lines against ISO 7637-2 load dump pulses in engine control units. IC Role / Device Role / Timing Role: Unidirectional TVS clamps transient spikes within nanoseconds to prevent latch-up or gate oxide damage in downstream ICs. Use Value: Maintains functional safety integrity during 12 V/24 V vehicle battery transients up to 100 V peak with <1 ns response. |
Use Scenario: Safeguarding digital input terminals of programmable logic controllers exposed to inductive kickback from solenoid drivers. IC Role / Device Role / Timing Role: Acts as primary overvoltage clamp on 24 V DC input channels, diverting surge current away from optocoupler front-end circuits. Use Value: Enables continuous operation in factory environments with ambient temperatures up to 85 °C and repeated 100 A surge events. |
| On-Board Charger Interface | Battery Management System (BMS) Voltage Monitoring |
Use Scenario: Shielding communication and control signals between EV on-board charger and vehicle network during high-voltage switching transitions. IC Role / Device Role / Timing Role: Suppresses coupled noise and fast-rising dv/dt transients induced by SiC MOSFET switching in AC/DC stages. Use Value: Prevents false triggering of fault detection logic and preserves signal integrity on isolated UART/CAN lines. |
Use Scenario: Protecting analog front-end inputs of BMS monitor ICs measuring cell stack voltages in 48 V mild-hybrid systems. IC Role / Device Role / Timing Role: Clamps ESD and relay bounce transients on high-impedance voltage divider networks feeding ADC inputs. Use Value: Ensures measurement accuracy remains unaffected by sub-100 ns surges, with leakage <0.001 µA preserving bias network stability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ22A-Q | Lower PPPM (400 W vs. 400 W), higher VCL (38.9 V), same VRWM (22 V), larger SMA package (2.4 mm height) | Less suitable for ultra-low-profile automotive modules due to 140 % taller package and reduced thermal performance (Rth(j-a) ≈ 90 K/W) | Select when board layout allows greater Z-height and legacy footprint compatibility is required |
| TPSMA6L22A | Same VRWM (22 V), lower PPPM (600 W but derated to 400 W at Tj > 125 °C), no AEC-Q101 qualification | Not qualified for automotive use; limited to industrial applications with ambient <125 °C and no ESD certification requirement | Choose only for cost-sensitive non-automotive designs where AEC-Q101 and 185 °C operation are not mandated |
Compared with SMAJ22A-Q and TPSMA6L22A, PTVS22VS1UTR-QX delivers identical 22 V standoff and 400 W surge capability in a 1.0 mm profile with full AEC-Q101 validation - making it the sole option for space-constrained, high-reliability automotive power protection.
Availability
PTVS22VS1UTR-QX is available at Aetrix Electronics and suitable for automotive power rail protection, industrial 24 V PLC inputs, and battery management system voltage monitoring requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for PTVS22VS1UTR-QX 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 focused on high-volume, high-reliability discrete and logic devices, with leadership in automotive-qualified components and advanced packaging.
The PTVSxS1UTR-Q series targets automotive and industrial transient suppression, engineered specifically for AEC-Q101 compliance, high-temperature resilience, and compact SMD integration in next-generation power systems.
FAQ
What is the maximum clamping voltage for PTVS22VS1UTR-QX under standard test conditions?
The clamping voltage VCL is 35.5 V at IPPM = 11.3 A using the 10/1000 μs waveform per IEC 61643-321. This value is measured at Tj = 25 °C with IR = 1 mA; actual VCL increases by approximately 0.5 mV/K across temperature, remaining below 37.2 V at 150 °C junction temperature.
Is PTVS22VS1UTR-QX suitable for bidirectional transient protection?
No - PTVS22VS1UTR-QX is a unidirectional TVS diode with cathode/anode polarity. It protects only against reverse-polarity surges relative to its anode-ground connection. For bidirectional protection (e.g., data lines), a symmetric device like PTVS22VS1UTR-Q (dual-diode configuration) or separate back-to-back arrangement is required.
How does the SOD123W package affect thermal performance compared to SMA or SMC packages?
The SOD123W package achieves Rth(j-sp) = 18 K/W to the cathode solder point - significantly better than SMA (≈ 50 K/W) due to its low-profile copper strap construction and optimized thermal pad layout. This enables higher sustained power handling in confined spaces, though Rth(j-a) in free air is higher (220 K/W) than larger packages.
Does PTVS22VS1UTR-QX require derating of peak pulse power above 25 °C ambient?
Yes - PPPM must be derated linearly above 25 °C ambient per Fig. 2 in the datasheet. At 125 °C ambient, rated PPPM drops to ~280 W; at 150 °C, it falls to ~220 W. Full 400 W capability is maintained only when Tj ≤ 25 °C - practical designs must account for self-heating and board thermal resistance.
PTVS22VS1UTR-QX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Package/Case:
- SOD-123W
- Series:
- PTVSxS1UTR
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 22V (Max)
- Voltage - Breakdown (Min):
- 24.4V
- Voltage - Clamping (Max) @ Ipp:
- 35.5V
- Current - Peak Pulse (10/1000µs):
- 11.3A
- Power - Peak Pulse:
- 400W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 185°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-123W
PTVS22VS1UTR-QX FAQ
1.How can I place an order for PTVS22VS1UTR-QX through Aetrix?
Please submit a Request for Quotation (RFQ) for PTVS22VS1UTR-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 PTVS22VS1UTR-QX reliable?
The price and inventory of PTVS22VS1UTR-QX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PTVS22VS1UTR-QX is usually 5 days.
3.What payment methods are accepted for PTVS22VS1UTR-QX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PTVS22VS1UTR-QX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PTVS22VS1UTR-QX?
PTVS22VS1UTR-QX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PTVS22VS1UTR-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 PTVS22VS1UTR-QX?
For technical support, including PTVS22VS1UTR-QX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PTVS22VS1UTR-QX requirements.
6.How does Aetrix verify that PTVS22VS1UTR-QX is sourced from the original manufacturer or authorized distributors?
All PTVS22VS1UTR-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 PTVS22VS1UTR-QX meets industry standards.
7.What is the process for return or replacement of PTVS22VS1UTR-QX?
All PTVS22VS1UTR-QX units undergo pre-shipment inspection (PSI). If there is an issue with PTVS22VS1UTR-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 PTVS22VS1UTR-QX part is unused and in its original packaging.
Return procedure for PTVS22VS1UTR-QX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PTVS22VS1UTR-QX Tags
-
ESD9B5.0ST5G
onsemi
-
DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
-
D5V0H1B2LP-7B
Diodes Incorporated
-
D5V0P1B2LP-7B
Diodes Incorporated
-
DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
-
DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
-
D5V0L1B2WS-7
Diodes Incorporated
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
