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Diodes Incorporated DESD1P0RFW-7
- Part No.:
- DESD1P0RFW-7
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- SC-70, SOT-323
- Datasheet:
-
DESD1P0RFW-7.pdf
- Description:
- TVS DIODE 70VWM 8VC SOT323
- Quantity:
- Payment:
- Shipping:
Inventory:2,242
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Product details
Overview
DESD1P0RFW-7 from Diodes Incorporated is a low-capacitance, dual-channel ESD protection diode array in SOT323 package, rated for ±30 kV IEC 61000-4-2 contact/air discharge, 70 V reverse working voltage, and 1.5 pF typical capacitance at 1 MHz - designed for high-speed USB 2.0, HDMI, and LVDS data line protection.
For engineers reviewing the DESD1P0RFW-7 datasheet, DESD1P0RFW-7 pinout, DESD1P0RFW-7 application, or DESD1P0RFW-7 equivalent, key selection criteria include clamping voltage under 10 A surge (≤8 V), sub-100 nA leakage at 70 V, thermal resistance of 625 °C/W, and AEC-Q101 qualification for automotive infotainment interfaces.
Technical Context
This dual-rail ESD suppressor uses anti-parallel diode configuration to clamp both positive and negative transients between data line and ground. It operates within -65°C to +150°C and delivers 15 A peak pulse current (8/20 μs) with forward clamping voltage of 4 V at 10 A.
Capacitance is measured line-to-ground (two diodes in parallel), yielding 1.5 pF max at 0 V bias and 1 MHz - critical for preserving signal integrity on 480 Mbps USB 2.0 channels. Power dissipation is limited to 200 mW with derating above 25°C ambient per Figure 1.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ESD Rating | ±30 kV per IEC 61000-4-2 (contact & air) - enables robust system-level ESD immunity without external transient voltage suppressors |
| Reverse Working Voltage | 70 V - supports protection of 3.3 V, 5 V, and 12 V data buses with margin against overvoltage faults |
| Clamping Voltage | 4 V @ 10 A (8/20 μs) - limits voltage excursion during surge to preserve downstream PHY ICs |
| Capacitance | 1.5 pF @ 0 V, 1 MHz - maintains signal rise time integrity for USB 2.0 (480 Mbps) and HDMI 1.4 applications |
| Leakage Current | 100 nA @ 70 V - ensures minimal DC loading on high-impedance data lines |
| Package | SOT323 - 2.1 mm × 1.3 mm footprint compatible with fine-pitch PCB routing and automated assembly |
Pinout & Package
SOT323 three-terminal surface-mount package with exposed pad not present; molded plastic case rated UL 94V-0, moisture sensitivity level 1, and matte tin-plated alloy 42 leadframe.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Anode of Channel 1 / Cathode of Channel 2 | Common node for bidirectional clamping between data line and ground |
| 2 | Cathode | Ground reference terminal - must be connected to low-inductance system ground plane |
| 3 | Cathode of Channel 1 / Anode of Channel 2 | Second data line connection point; forms rail-to-rail ESD path with Pin 1 |
Key Features
| Feature | Design Value |
|---|---|
| Dual-channel anti-parallel configuration | Enables symmetrical clamping for AC-coupled high-speed signals without DC bias dependency |
| AEC-Q101 qualified | Validated for automotive infotainment and ADAS camera links requiring extended temperature and reliability compliance |
| 1.5 pF max capacitance | Minimizes insertion loss and reflection on 50 Ω transmission lines up to 500 MHz |
| Lead-free & RoHS compliant | Meets global environmental regulations and reflow soldering profiles (J-STD-020 Level 1) |
Applications
| USB 2.0 Interface Protection | HDMI 1.4 Data Lane Protection |
|---|---|
Use Scenario: Protecting D+ and D− lines of USB 2.0 host/device ports against ESD events during hot-plug insertion. IC Role / Device Role / Timing Role: Bidirectional transient voltage suppressor placed immediately adjacent to connector, clamping surges before reaching USB transceiver. Use Value: 1.5 pF capacitance avoids signal degradation at 480 Mbps; ±30 kV rating exceeds IEC 61000-4-2 system-level test requirements. | Use Scenario: Shielding TMDS clock and data pairs in HDMI 1.4 source/sink devices from handling-induced ESD. IC Role / Device Role / Timing Role: Low-capacitance rail-to-rail clamp on each differential pair, referenced to chassis ground. Use Value: Sub-2 pF loading preserves eye diagram integrity; 70 V VRWM accommodates HDMI common-mode swing and DC bias margins. |
| Automotive Camera Link (FPD-Link II) | LVDS Display Interface |
Use Scenario: ESD hardening of FPD-Link II serial video links between rearview cameras and display ECUs in vehicles. IC Role / Device Role / Timing Role: Dual-channel protector on each differential lane, mounted at connector side to minimize stub length. Use Value: AEC-Q101 qualification ensures operation across -40°C to +125°C; 4 V clamping at 10 A prevents pixel corruption during surge events. | Use Scenario: Safeguarding LVDS signaling between industrial panel controllers and TFT displays. IC Role / Device Role / Timing Role: Ground-referenced bidirectional clamp on each LVDS pair, placed before receiver input pins. Use Value: 100 nA leakage avoids DC offset accumulation; 625 °C/W RθJA allows thermal stability in enclosed enclosures without heatsinking. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ESD5Z7.0T5G (ON Semi) | Single-channel, 7 V working voltage, 0.5 pF capacitance, SOD-523 package | Requires two devices per differential pair; lower capacitance but no integrated dual-rail topology | Select when ultra-low capacitance (<0.6 pF) is prioritized over board space and routing simplicity |
| TPD2E001DRYR (TI) | Dual-channel, 5.5 V VRWM, 1.8 pF capacitance, same SOT323 package, ±8 kV ESD rating | Lower ESD rating and working voltage - suitable only for 3.3 V logic, not 5 V or automotive supply rails | Choose for cost-sensitive consumer electronics where ±8 kV suffices and 70 V VRWM is unnecessary |
Compared with ESD5Z7.0T5G and TPD2E001DRYR, DESD1P0RFW-7 uniquely combines ±30 kV ESD immunity, 70 V VRWM, dual-rail integration, and AEC-Q101 qualification - making it optimal for automotive-grade high-speed interfaces where reliability, voltage margin, and layout efficiency are jointly critical.
Availability
DESD1P0RFW-7 is available at Aetrix Electronics and suitable for USB 2.0 interface protection, automotive camera links, and LVDS display interfaces requiring stable component supply across production lifecycles.
Supply support for DESD1P0RFW-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, specializing in high-reliability protection, power management, and signal integrity solutions.
The DESD1P0RFW-7 belongs to Diodes' ESD protection diode array product line, engineered specifically for high-speed digital interface hardening in automotive, industrial, and consumer electronics.
FAQ
What is the maximum operating temperature for DESD1P0RFW-7?
The DESD1P0RFW-7 is rated for continuous operation from -65°C to +150°C junction temperature. Its SOT323 package and 625 °C/W thermal resistance allow reliable performance in under-hood automotive environments when mounted on FR-4 PCBs with minimum recommended copper area.
Does DESD1P0RFW-7 support bidirectional ESD clamping?
Yes - its internal anti-parallel dual-diode configuration provides symmetrical clamping for both positive and negative transients on the protected line relative to ground. This eliminates polarity dependency and supports AC-coupled high-speed signals like USB D+/D− without DC bias circuitry.
Can DESD1P0RFW-7 be used on 12 V automotive data lines?
Yes - with a 70 V reverse working voltage rating and ±30 kV ESD immunity, it safely protects 12 V nominal systems such as FPD-Link II camera links. The 4 V clamping voltage at 10 A ensures downstream receivers remain within absolute maximum ratings during surge events.
Is there a lead-free and RoHS-compliant version of this part?
Yes - the DESD1P0RFW-7 is explicitly manufactured with lead-free plating (matte tin over alloy 42) and complies with RoHS Directive 2011/65/EU. It is also classified as a "Green" device per Diodes Incorporated's environmental policy, with halogen-free molding compound.
DESD1P0RFW-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- SC-70, SOT-323
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Steering (Rail to Rail)
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 70V (Max)
- Voltage - Breakdown (Min):
- -
- Voltage - Clamping (Max) @ Ipp:
- 8V
- Current - Peak Pulse (10/1000µs):
- 15A (8/20µs)
- Power - Peak Pulse:
- -
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 1pF @ 1MHz
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-323
DESD1P0RFW-7 FAQ
1.How can I place an order for DESD1P0RFW-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for DESD1P0RFW-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 DESD1P0RFW-7 reliable?
The price and inventory of DESD1P0RFW-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DESD1P0RFW-7 is usually 5 days.
3.What payment methods are accepted for DESD1P0RFW-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DESD1P0RFW-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DESD1P0RFW-7?
DESD1P0RFW-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DESD1P0RFW-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 DESD1P0RFW-7?
For technical support, including DESD1P0RFW-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DESD1P0RFW-7 requirements.
6.How does Aetrix verify that DESD1P0RFW-7 is sourced from the original manufacturer or authorized distributors?
All DESD1P0RFW-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 DESD1P0RFW-7 meets industry standards.
7.What is the process for return or replacement of DESD1P0RFW-7?
All DESD1P0RFW-7 units undergo pre-shipment inspection (PSI). If there is an issue with DESD1P0RFW-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 DESD1P0RFW-7 part is unused and in its original packaging.
Return procedure for DESD1P0RFW-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DESD1P0RFW-7 Tags
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