My Inquiry
My Account
Diodes Incorporated D22V0S1U6LP2018-7
- Part No.:
- D22V0S1U6LP2018-7
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- 6-UFDFN Exposed Pad
- Datasheet:
-
D22V0S1U6LP2018-7.pdf
- Description:
- TVS DIODE 22VWM 42VC U-DFN1820-6
- Quantity:
- Payment:
- Shipping:
Inventory:2,990
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
D22V0S1U6LP2018-7 from Diodes Incorporated is a unidirectional transient voltage suppression (TVS) diode designed for ESD protection of high-speed data lines in portable electronics. It features a 22 V reverse working voltage, 24 V minimum breakdown voltage, 130 A peak pulse current (8/20 µs), 30 V clamping voltage at 10 A, and 900 pF typical junction capacitance - enabling robust surge immunity without signal integrity degradation in USB, HDMI, or audio interfaces.
For engineers reviewing the D22V0S1U6LP2018-7 datasheet, D22V0S1U6LP2018-7 pinout, D22V0S1U6LP2018-7 application, or D22V0S1U6LP2018-7 equivalent, key selection criteria include IEC 61000-4-2 ±30 kV contact/air ESD rating, low-capacitance unidirectional clamping behavior, U-DFN1820-6 package thermal performance (RθJA = 150 °C/W), and compatibility with FR-4 PCB layouts per Diodes' recommended pad dimensions.
Technical Context
This TVS device operates as a single-channel, cathode-to-anode clamping protector with fixed unidirectional polarity. Its silicon avalanche structure delivers precise 24 V breakdown (VBR) at 1 mA and clamps to ≤35 V at 100 A (8/20 µs), ensuring predictable overvoltage limiting during lightning-induced surges per IEC 61000-4-5.
The U-DFN1820-6 package integrates two anode terminals (pins 1 & 2) tied together on PCB, one cathode (pin 6), and three grounded substrate pads (pins 3–5). This layout minimizes parasitic inductance and supports high-frequency ESD dissipation while maintaining <1 µA leakage at 22 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | 22 V - Maximum continuous reverse operating voltage before leakage exceeds 1 µA |
| VBR (min) | 24 V - Guaranteed avalanche onset at 1 mA test current; defines minimum surge threshold |
| VCL @ 10 A | 30 V - Clamped voltage across device during 10 A 8/20 µs transient; limits downstream IC stress |
| IPP (max) | 130 A - Peak pulse current handling per 8/20 µs waveform; meets IEC 61000-4-5 Level 4 |
| CT (typ) | 900 pF - Junction capacitance at 0 V, 1 MHz; enables use on 480 Mbps USB 2.0 lines |
| ESD Rating | ±30 kV - Contact and air discharge per IEC 61000-4-2; exceeds industrial immunity requirements |
| PPP | 5460 W - Peak pulse power capability; determines survivability under short-duration surges |
Pinout & Package
Package: U-DFN1820-6 (Type A), 1.8 mm × 2.0 mm × 0.575 mm body height, molded green plastic (UL 94V-0), NiPdAu-plated copper leadframe.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2 | Anode | Electrically connected at PCB; forms low-inductance input path for transient current |
| 3, 4, 5 | Ground / Exposed Pad | Thermal and electrical ground plane connection; critical for RθJA = 150 °C/W performance |
| 6 | Cathode | Output node tied to protected line; clamps to ground when VIN > VBR |
Key Features
| Feature | Design Value |
|---|---|
| IEC 61000-4-2 ESD Protection | ±30 kV contact/air - Eliminates need for secondary ESD stages in handheld UI circuits |
| Low Capacitance | 900 pF typ - Preserves signal rise time on 480 Mbps USB 2.0 and 100 Mbps Ethernet PHY lines |
| Unidirectional Clamping | Single-cathode architecture - Prevents forward conduction during normal DC bias, avoiding signal distortion |
| Green Construction | Halogen- and antimony-free, RoHS 3 compliant - Meets IPC-1752A material declaration requirements |
| Thermal Performance | RθJA = 150 °C/W on 2 oz FR-4 - Enables 900 mW continuous power dissipation without derating at +25°C ambient |
Applications
| USB 2.0 Data Lines | HDMI Interface Protection |
|---|---|
Use Scenario: ESD protection on D+ and D− lines of smartphone USB ports exposed to frequent human contact. IC Role / Device Role / Timing Role: Unidirectional TVS clamp placed between connector and USB transceiver IC to limit transient voltage to <35 V. Use Value: 900 pF capacitance avoids signal integrity loss at 480 Mbps; ±30 kV ESD rating prevents latch-up in PHY during plug/unplug events. | Use Scenario: Surge suppression on TMDS clock and data channels of portable media players connecting to displays. IC Role / Device Role / Timing Role: Cathode-connected TVS on each TMDS pair, referenced to shield ground, to clamp fast-rising EFT bursts. Use Value: 130 A peak pulse current withstand ensures survival during 1 kV/50 Ω EFT testing; low leakage (<1 µA) prevents DC offset on differential pairs. |
| Smartphone Audio Jacks | Industrial Handheld Terminals |
Use Scenario: Protecting microphone and headset detection lines in 3.5 mm TRRS jacks from user-hand ESD. IC Role / Device Role / Timing Role: Single-channel TVS on MIC_BIAS and SENSE lines, mounted adjacent to jack footprint. Use Value: 22 V VRWM allows safe operation with 2.8 V bias rails; 24 V VBR ensures clamping initiates before audio codec damage thresholds. | Use Scenario: Safeguarding RS-232 or CAN FD interface pins on ruggedized field devices subjected to repeated static discharge. IC Role / Device Role / Timing Role: Point-of-entry TVS on transceiver enable and data lines, routed to chassis ground via low-inductance paths. Use Value: U-DFN1820-6 footprint enables dense layout near connectors; -55°C to +150°C operating range supports extended temperature deployments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional TVS protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ22A | DO-214AC package; 22 V VRWM, 24.4 V VBR, 35.5 V VCL@10 A, 1000 pF | Through-hole or larger SMT footprint; higher thermal resistance (RθJA ≈ 50 °C/W) | Preferred for legacy designs with space margin and lower-frequency interfaces (>100 MHz bandwidth not required) |
| SP1003-02HTG | SOD-323 package; 22 V VRWM, 24.5 V VBR, 33 V VCL@10 A, 350 pF | Lower capacitance but reduced IPP (30 A); no exposed thermal pad | Selected when sub-500 pF is mandatory (e.g., USB 3.0 SS lines) and surge threat level is ≤30 A |
Compared with SMAJ22A and SP1003-02HTG, D22V0S1U6LP2018-7 uniquely balances 130 A surge capacity, 900 pF signal-line compatibility, and U-DFN1820-6 thermal efficiency - making it optimal for next-gen portable USB/HDMI interfaces where board area, ESD robustness, and high-speed fidelity are jointly constrained.
Availability
D22V0S1U6LP2018-7 is available at Aetrix Electronics and suitable for cellular handsets, portable electronics, and computers and peripheral requiring stable component supply with guaranteed RoHS 3 compliance and full traceability.
Supply support for D22V0S1U6LP2018-7 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and North America.
This device belongs to Diodes' UniGuard™ TVS portfolio, engineered specifically for ultra-low-capacitance, high-surge ESD protection in space-constrained portable electronics - emphasizing manufacturability, thermal reliability, and IEC-compliant immunity.
FAQ
What is the maximum clamping voltage at 130 A for D22V0S1U6LP2018-7?
The datasheet specifies a maximum clamping voltage of 42 V at 130 A (8/20 µs pulse). This value is measured with the device mounted on Diodes' recommended FR-4 PCB layout using 2 oz copper. It reflects worst-case transient suppression performance under full-rated surge conditions and must be compared against protected IC absolute maximum ratings to ensure system-level safety margins.
Can D22V0S1U6LP2018-7 be used for bidirectional signal lines like USB OTG?
No - D22V0S1U6LP2018-7 is strictly unidirectional and only clamps positive transients relative to ground. For bidirectional lines such as USB OTG or RS-485, a symmetric TVS array (e.g., D24V0S1U6LP2018-7) or dual-diode configuration is required. Using this part on bidirectional signals risks forward conduction during negative excursions, potentially disrupting DC bias or damaging upstream drivers.
How should the exposed pad (pins 3–5) be connected on the PCB?
Pins 3, 4, and 5 form a single exposed thermal pad and must be soldered to a solid copper ground plane with ≥4 thermal vias (0.3 mm diameter, spaced ≤1 mm apart) connecting to inner-layer ground planes. Diodes' recommended pad layout specifies 0.40 mm solder mask opening and 0.80 mm copper pad size. Omitting this connection degrades RθJA by >40% and risks thermal runaway during repetitive surge events.
Is D22V0S1U6LP2018-7 compatible with lead-free reflow profiles?
Yes - the device is fully RoHS 3 compliant and qualified for standard JEDEC J-STD-020D Level 1 moisture sensitivity. It supports peak reflow temperatures up to 260°C (per IPC/JEDEC J-STD-020) with a 60-second exposure above 220°C. The NiPdAu plating ensures reliable wetting and intermetallic formation during Pb-free soldering without voiding or dewetting issues.
D22V0S1U6LP2018-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- 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):
- 22V (Max)
- Voltage - Breakdown (Min):
- 24V
- Voltage - Clamping (Max) @ Ipp:
- 42V
- Current - Peak Pulse (10/1000µs):
- 130A (8/20µs)
- Power - Peak Pulse:
- 5460W (5.46kW)
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 900pF @ 1MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- U-DFN1820-6 (Type A)
D22V0S1U6LP2018-7 FAQ
1.How can I place an order for D22V0S1U6LP2018-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for D22V0S1U6LP2018-7 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 D22V0S1U6LP2018-7 reliable?
The price and inventory of D22V0S1U6LP2018-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for D22V0S1U6LP2018-7 is usually 5 days.
3.What payment methods are accepted for D22V0S1U6LP2018-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for D22V0S1U6LP2018-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for D22V0S1U6LP2018-7?
D22V0S1U6LP2018-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your D22V0S1U6LP2018-7 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 D22V0S1U6LP2018-7?
For technical support, including D22V0S1U6LP2018-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your D22V0S1U6LP2018-7 requirements.
6.How does Aetrix verify that D22V0S1U6LP2018-7 is sourced from the original manufacturer or authorized distributors?
All D22V0S1U6LP2018-7 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 D22V0S1U6LP2018-7 meets industry standards.
7.What is the process for return or replacement of D22V0S1U6LP2018-7?
All D22V0S1U6LP2018-7 units undergo pre-shipment inspection (PSI). If there is an issue with D22V0S1U6LP2018-7, 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 D22V0S1U6LP2018-7 part is unused and in its original packaging.
Return procedure for D22V0S1U6LP2018-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
D22V0S1U6LP2018-7 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…
