My Inquiry
My Account
Diodes Incorporated DLPT05WA-7
- Part No.:
- DLPT05WA-7
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- SC-70, SOT-323
- Datasheet:
-
DLPT05WA-7.pdf
- Description:
- DATALINE PROTECTION PP SOT323 T&
- Quantity:
- Payment:
- Shipping:
Inventory:3,518
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
DLPT05WA from Diodes Incorporated is a surface-mount transient voltage suppression (TVS) diode designed for unidirectional ESD and surge protection of low-voltage data lines. It features a 5V reverse standoff voltage (VRWM), 75V peak repetitive reverse voltage (VRRM), 9.8V clamping voltage at 1A (VC), 300W peak pulse power (8×20µs), and 1.9pF typical capacitance - enabling high-speed USB, HDMI, and I²C line protection in space-constrained consumer and industrial interfaces.
For engineers reviewing the DLPT05WA datasheet, DLPT05WA pinout, DLPT05WA application, or DLPT05WA equivalent, key selection criteria include its low 1.9pF capacitance for signal integrity preservation, ±30kV contact/air ESD robustness per IEC 61000-4-2 Level 4, 5V working voltage compatibility with 3.3V/5V logic rails, and SOT323 footprint suitability for automated assembly on high-density PCBs.
Technical Context
This device operates as a unidirectional TVS diode, conducting transient energy from protected data lines to ground when reverse voltage exceeds VRWM (5V) and clamping to ≤9.8V at 1A peak pulse current. Its low leakage (<20µA at VRWM) ensures minimal impact on signal DC bias and power budget in always-on interfaces.
The SOT323 package delivers thermal resistance of 625°C/W (junction-to-ambient, FR-4, 2oz copper), supporting operation from –55°C to +150°C. Its 1.9pF capacitance at 0V bias and 1MHz enables use in 480Mbps USB 2.0 and 100Mbps Ethernet PHY applications without signal degradation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | 5 V - Maximum continuous reverse operating voltage before conduction; matches 3.3V/5V logic I/O rails. |
| VRRM | 75 V - Peak repetitive reverse blocking capability; withstands short-term overvoltage transients. |
| VC @ IPP = 1A | 9.8 V - Clamped voltage during 8×20µs surge; protects downstream ICs rated for ≤12V absolute max. |
| PPK | 300 W - Peak pulse power handling (8×20µs); meets IEC 61000-4-4 EFT and Level 4 ESD requirements. |
| CT @ 0V, 1MHz | 1.9 pF - Low junction capacitance; preserves signal rise/fall times in high-speed data lines. |
| IR @ VRWM | ≤20 µA - Ultra-low reverse leakage; avoids loading of high-impedance sensor or bus lines. |
Pinout & Package
DLPT05WA is housed in a standard SOT323 plastic package (2.15mm × 2.10mm × 0.95mm), optimized for reflow soldering and automated placement. The package features a matte tin-plated Alloy 42 leadframe and complies with RoHS 3, halogen-free, and IATF 16949 manufacturing standards.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Pin 1) | Protected Data Line Input | Connected to I/O line requiring ESD/surge protection (e.g., USB D+, HDMI TMDS+). |
| Cathode (Pin 2) | Ground Return Path | Low-inductance connection to system ground plane; critical for effective clamping performance. |
| Exposed Pad (Pin 3) | Thermal & Electrical Ground | Internally tied to cathode; must be soldered to PCB ground pour for thermal dissipation and EMI reduction. |
Key Features
| Feature | Design Value |
|---|---|
| IEC 61000-4-2 Level 4 ESD Protection | ±30kV contact / ±30kV air discharge - eliminates need for external ESD suppressors in end-equipment certification. |
| Low Capacitance (1.9pF) | Preserves signal integrity up to 480Mbps USB 2.0 without added jitter or attenuation. |
| 300W Peak Pulse Power | Withstands multiple 8×20µs surges per IEC 61000-4-4, extending product lifetime in noisy industrial environments. |
| SOT323 Footprint | Enables high-density layout on compact PCBs while supporting full automated assembly and reflow compatibility. |
Applications
| USB 2.0 Interface Protection | HDMI DDC Channel Protection |
|---|---|
Use Scenario: Protecting USB 2.0 D+ and D– lines against ESD events during hot-plug insertion in portable docking stations. IC Role / Device Role / Timing Role: Unidirectional TVS clamp placed between connector and USB transceiver IC. Use Value: 1.9pF capacitance prevents signal distortion at 480Mbps; ±30kV ESD rating ensures compliance with IEC 61000-4-2 Level 4. | Use Scenario: Safeguarding HDMI DDC (I²C) lines from electrostatic discharge during cable mating in AV receivers. IC Role / Device Role / Timing Role: Bidirectional protection element (used in dual-diode configuration) on 3.3V DDC clock/data lines. Use Value: 5V VRWM aligns with I²C bus voltage; low leakage (<20µA) avoids pull-up resistor loading and timing skew. |
| Industrial CAN Bus Node Protection | Automotive Infotainment Display Link |
Use Scenario: Adding secondary surge protection to CAN_H/CAN_L lines upstream of isolated CAN transceivers in factory automation controllers. IC Role / Device Role / Timing Role: Front-end transient suppressor absorbing fast-rising EFT bursts before reaching primary protection stage. Use Value: 300W pulse rating handles repetitive 40A EFT bursts; SOT323 allows placement directly at connector entry point. | Use Scenario: Shielding MIPI D-PHY data lanes in automotive head units from ESD during display module replacement. IC Role / Device Role / Timing Role: Point-of-entry TVS on differential high-speed video lines adjacent to FPC connectors. Use Value: 9.8V clamping voltage stays below MIPI receiver's 12V abs-max rating; 1.9pF minimizes eye diagram degradation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ5.0A | DO-214AC package; 600W PPK; 11.2V VC @ 1A; 35pF CT | Higher capacitance limits use to <10Mbps lines; larger footprint reduces board density. | Select when higher surge margin is required and space/capacitance constraints are relaxed. |
| TPD4E05U06DQAR | Quad-channel array in USON-10; 5.5V VRWM; 12V VC @ 1A; 0.8pF per channel | Integrated 4-line protection; lower capacitance but higher cost and non-drop-in replacement. | Choose for multi-line protection where routing density and ultra-low capacitance outweigh discrete flexibility. |
Compared with SMAJ5.0A and TPD4E05U06DQAR, DLPT05WA uniquely balances sub-2pF capacitance, SOT323 miniaturization, and 300W surge capability - making it optimal for single-line, high-speed, space-limited designs where both ESD robustness and signal fidelity are critical.
Availability
DLPT05WA is available at Aetrix Electronics and suitable for USB 2.0 interface protection, HDMI DDC channel safeguarding, and industrial CAN node surge mitigation requiring stable component supply across production lifecycles.
Supply support for DLPT05WA 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, specializing in high-reliability protection, power management, and signal integrity solutions for industrial, automotive, and consumer markets.
DLPT05WA belongs to Diodes' Dataline Protection Device product line, engineered specifically for low-capacitance, high-surge ESD suppression in high-speed serial interfaces - addressing design challenges in USB, HDMI, MIPI, and I²C systems.
FAQ
What is the maximum operating temperature range for DLPT05WA?
The DLPT05WA is rated for operation from –55°C to +150°C, with thermal resistance (RθJA) of 625°C/W under standard FR-4 PCB conditions (2oz copper). This wide range supports deployment in under-hood automotive modules and industrial control enclosures without derating concerns at ambient temperatures up to +125°C.
Does DLPT05WA require orientation-specific PCB layout?
Yes - DLPT05WA is a unidirectional TVS diode with anode (Pin 1) connected to the protected line and cathode (Pin 2) tied to ground. The exposed pad (Pin 3) is internally bonded to the cathode and must be soldered to a solid ground pour. Incorrect orientation will prevent proper clamping and may cause catastrophic failure during surge events.
How does DLPT05WA compare to bidirectional TVS diodes for data line protection?
DLPT05WA provides superior low-capacitance performance (1.9pF) versus typical bidirectional devices (>5pF), making it preferred for high-speed unidirectional lines like USB D+ or HDMI TMDS+. It cannot protect AC-coupled or true bidirectional buses (e.g., RS-485) without external circuitry, unlike symmetrical bidirectional TVS parts.
Is DLPT05WA qualified for automotive applications per AEC-Q101?
No - DLPT05WA is not AEC-Q101 qualified. While manufactured in IATF 16949-certified facilities and meeting RoHS/halogen-free requirements, it lacks the extended temperature cycling, HTRB, and ESD qualification testing mandated for automotive-grade components. For AEC-Q101-compliant alternatives, consult Diodes' APxxxx series.
DLPT05WA-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- SC-70, SOT-323
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 5V
- Voltage - Breakdown (Min):
- 6V
- Voltage - Clamping (Max) @ Ipp:
- 9.8V
- Current - Peak Pulse (10/1000µs):
- 17A (8/20µs)
- Power - Peak Pulse:
- 300W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- 1.9pF @ 1MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-323
DLPT05WA-7 FAQ
1.How can I place an order for DLPT05WA-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for DLPT05WA-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 DLPT05WA-7 reliable?
The price and inventory of DLPT05WA-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DLPT05WA-7 is usually 5 days.
3.What payment methods are accepted for DLPT05WA-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DLPT05WA-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DLPT05WA-7?
DLPT05WA-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DLPT05WA-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 DLPT05WA-7?
For technical support, including DLPT05WA-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DLPT05WA-7 requirements.
6.How does Aetrix verify that DLPT05WA-7 is sourced from the original manufacturer or authorized distributors?
All DLPT05WA-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 DLPT05WA-7 meets industry standards.
7.What is the process for return or replacement of DLPT05WA-7?
All DLPT05WA-7 units undergo pre-shipment inspection (PSI). If there is an issue with DLPT05WA-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 DLPT05WA-7 part is unused and in its original packaging.
Return procedure for DLPT05WA-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DLPT05WA-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…
