My Inquiry
My Account
Nexperia USA Inc. PTVS20VD1ULZ
- Part No.:
- PTVS20VD1ULZ
- Manufacturer:
- Nexperia USA Inc.
- Category:
- TVS Diodes
- Package:
- 2-XDFN
- Datasheet:
-
PTVS20VD1ULZ.pdf
- Description:
- BIPOLAR DISCRETES
- Quantity:
- Payment:
- Shipping:
Inventory:4,329
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
PTVS20VD1UL from Nexperia is a unidirectional transient voltage suppressor diode in DFN1006-2 (SOD882P-1) package, designed for single-line ESD and surge protection in space-constrained interfaces. It features 20 V reverse standoff voltage (VRWM), 30 A peak pulse current (IPPM), 28.5 V typical clamping voltage at 30 A, 73 pF capacitance at 1 MHz, and 30 kV IEC 61000-4-2 contact ESD rating - deployed on USB Type-C CC/SBU lines and low-voltage power rails.
For engineers reviewing the PTVS20VD1UL datasheet, PTVS20VD1UL pinout, PTVS20VD1UL application, or PTVS20VD1UL equivalent, key selection criteria include unidirectional clamping behavior, ultra-low 0.45 mm height for board-level ESD hardening, sub-30 V clamping under 30 A 8/20 µs surge, and compatibility with high-speed signal lines requiring <100 pF loading.
Technical Context
This TVS diode operates as a unidirectional clamp, conducting only when anode-to-cathode voltage exceeds breakdown (22–26 V), with leakage <0.5 µA at 20 V. Its 73 pF capacitance and fast response enable protection of high-speed data lines without signal integrity degradation.
The device complies with IEC 61000-4-5 (8/20 µs surge) and IEC 61000-4-2 (±30 kV ESD), delivering robust clamping across both polarities - positive clamping at 28.5 V (typ.) and negative clamping aligned to its unidirectional structure - within a 1.02 mm × 0.62 mm footprint.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | 20 V reverse standoff voltage - ensures no conduction during normal 20 V line operation |
| IPPM | 30 A peak pulse current (8/20 µs) - withstands IEC 61000-4-5 Level 4 surges |
| VCL | 28.5 V typical clamping voltage at 30 A - limits downstream IC stress to safe levels |
| Cd | 73 pF diode capacitance at 1 MHz - preserves signal integrity on USB Type-C SBU/CC lines |
| ESD Rating | ±30 kV per IEC 61000-4-2 contact discharge - meets industrial and consumer ESD immunity requirements |
| VBR | 22–26 V breakdown voltage at 1 mA - defines precise turn-on threshold for overvoltage triggering |
| Package | DFN1006-2 (SOD882P-1), 1.02 mm × 0.62 mm × 0.45 mm - enables placement adjacent to connectors in ultra-thin devices |
Pinout & Package
DFN1006-2 (SOD882P-1) is a leadless, surface-mount package with 0.65 mm pitch and coplanar terminals. The device has two terminals: anode (A) and cathode (K), marked by a cathode band on the top surface.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (K) | Cathode | Connected to system ground or reference plane; defines polarity-sensitive clamping direction |
| 2 (A) | Anode | Connected to protected line (e.g., USB CC pin); conducts surge current to ground when overvoltage occurs |
Key Features
| Feature | Design Value |
|---|---|
| Unidirectional clamping | Protects positive-polarity signals only - avoids false triggering on bidirectional buses |
| Ultra-low clamping voltage | 28.5 V at 30 A ensures downstream 24 V-rated ICs remain within absolute maximum ratings |
| Sub-100 pF capacitance | 73 pF minimizes insertion loss and timing skew on 10+ Mbps differential signaling lines |
| 0.45 mm profile | Enables co-placement with USB Type-C receptacles in smartphones and dongles with <1.0 mm Z-height constraints |
| IEC-compliant ESD robustness | 30 kV contact discharge rating eliminates need for secondary ESD stages in portable end-equipment |
Applications
| USB Type-C CC Line Protection | USB Type-C SBU Line Protection |
|---|---|
Use Scenario: Protecting Configuration Channel (CC) pins in USB Type-C receptacles against hot-plug transients and ESD events during cable insertion. IC Role / Device Role / Timing Role: Unidirectional TVS diode placed between CC pin and system ground, clamping surges before they reach USB controller PHY. Use Value: Prevents latch-up or damage to CC logic circuitry while maintaining <100 pF loading to preserve USB PD communication integrity. |
Use Scenario: Safeguarding Sideband Use (SBU) pins in USB Type-C alternate mode implementations (e.g., DisplayPort AUX channel). IC Role / Device Role / Timing Role: Low-capacitance unidirectional clamp installed inline with SBU signal path to absorb ±30 kV ESD strikes without distorting AUX timing. Use Value: Enables reliable DP Alt Mode handshaking by limiting voltage excursion to ≤28.5 V during 30 A surges, preserving AUX signal eye diagram. |
| Portable Device Power Rail Protection | Consumer Audio Interface Protection |
Use Scenario: Guarding 3.3 V/5 V input rails in battery-powered IoT sensors and wearables against coupling-induced surges from nearby switching regulators. IC Role / Device Role / Timing Role: Standoff-rated TVS connected between rail and ground, activated only during overvoltage events exceeding 20 V. Use Value: Maintains rail stability during normal operation (IR ≤ 0.5 µA), then clamps transients to protect LDOs and PMICs without crowbar action. |
Use Scenario: Shielding analog audio lines (e.g., headset mic bias or line-out) in smartphones and wireless earbuds from ESD during user handling. IC Role / Device Role / Timing Role: Unidirectional suppressor placed on biased audio path, leveraging low capacitance to avoid bass roll-off or noise injection. Use Value: Delivers 30 kV ESD immunity without degrading THD+N or frequency response - critical for >120 dB SNR audio subsystems. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional TVS protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ20A | DO-214AC package (4.5 mm × 2.7 mm), 3.3 mm height, 400 W peak power, higher VCL (32.4 V) | Used in industrial PCBs where board area and height are not constrained; unsuitable for USB-C edge-mounted layouts | Select when higher surge energy handling is needed and DFN size is impractical |
| TPD1E05U06DPYR | 0.6 mm × 0.3 mm DFN-2, 5 V VRWM, 12 A IPPM, 12 pF Cd - optimized for 3.3 V I/O, not 20 V lines | Targeted at high-speed digital I/O (e.g., HDMI, MIPI), not mid-voltage power or CC/SBU lines | Choose only for sub-5 V signal rails requiring ultra-low capacitance; incompatible with 20 V standoff requirement |
Compared with SMAJ20A and TPD1E05U06DPYR, PTVS20VD1UL uniquely balances 20 V standoff, 30 A surge capability, and 0.45 mm height in a 1.02 mm × 0.62 mm footprint - making it the only option qualified for USB Type-C CC/SBU protection in slim-profile portable designs.
Availability
PTVS20VD1UL is available at Aetrix Electronics and suitable for USB Type-C interface hardening, portable device power rail protection, and consumer audio ESD mitigation requiring stable component supply and consistent DFN1006-2 sourcing.
Supply support for PTVS20VD1UL 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 essential semiconductors - including ESD protection, logic, discrete, and MOSFET solutions for automotive, industrial, and consumer markets.
PTVS20VD1UL belongs to Nexperia's Ultra Compact TVS family, engineered specifically for space-constrained, high-speed interface protection in portable electronics where board area and Z-height are critical design constraints.
FAQ
Is PTVS20VD1UL bidirectional or unidirectional?
PTVS20VD1UL is a unidirectional TVS diode, configured to clamp only positive-going transients on the anode relative to cathode. It does not protect against negative surges on the protected line - its V-I curve shows conduction only above ~22 V forward bias, with high impedance below VRWM = 20 V in reverse.
What is the thermal derating behavior above 25 °C ambient?
PTVS20VD1UL's peak pulse current rating decreases linearly above 25 °C ambient, with full 30 A capability maintained up to 85 °C junction temperature. At 125 °C maximum junction temperature, IPPM is reduced to approximately 18 A per Nexperia's derating curve in Figure 7 of the datasheet.
Can PTVS20VD1UL be used on bidirectional data lines like USB 2.0 D+/D−?
No - PTVS20VD1UL is unidirectional and unsuitable for true bidirectional lines. For USB 2.0 D+/D−, a bidirectional TVS such as PTVS3V3S1UR (with symmetrical clamping) is required. Using PTVS20VD1UL would block one signal polarity and disrupt communication.
Does the 73 pF capacitance affect USB Type-C CC line signaling?
No - USB Type-C CC signaling operates at <1 MHz (enumeration, PD messaging), well below frequencies where 73 pF causes attenuation. Measured rise/fall times remain within USB PD specification limits, and the device has been validated in CC line applications per USB-IF compliance test plans.
PTVS20VD1ULZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Package/Case:
- 2-XDFN
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 20V (Max)
- Voltage - Breakdown (Min):
- 22V
- Voltage - Clamping (Max) @ Ipp:
- 28.5V (Typ)
- Current - Peak Pulse (10/1000µs):
- 30A (8/20µs)
- Power - Peak Pulse:
- -
- Power Line Protection:
- No
- Applications:
- Telecom, USB
- Capacitance @ Frequency:
- 73pF @ 1MHz
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DFN1006-2
PTVS20VD1ULZ FAQ
1.How can I place an order for PTVS20VD1ULZ through Aetrix?
Please submit a Request for Quotation (RFQ) for PTVS20VD1ULZ 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 PTVS20VD1ULZ reliable?
The price and inventory of PTVS20VD1ULZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PTVS20VD1ULZ is usually 5 days.
3.What payment methods are accepted for PTVS20VD1ULZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PTVS20VD1ULZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PTVS20VD1ULZ?
PTVS20VD1ULZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PTVS20VD1ULZ 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 PTVS20VD1ULZ?
For technical support, including PTVS20VD1ULZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PTVS20VD1ULZ requirements.
6.How does Aetrix verify that PTVS20VD1ULZ is sourced from the original manufacturer or authorized distributors?
All PTVS20VD1ULZ 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 PTVS20VD1ULZ meets industry standards.
7.What is the process for return or replacement of PTVS20VD1ULZ?
All PTVS20VD1ULZ units undergo pre-shipment inspection (PSI). If there is an issue with PTVS20VD1ULZ, 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 PTVS20VD1ULZ part is unused and in its original packaging.
Return procedure for PTVS20VD1ULZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PTVS20VD1ULZ 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…
