My Inquiry
My Account
Diodes Incorporated DFLT8V0A-7
- Part No.:
- DFLT8V0A-7
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- POWERDI®123
- Datasheet:
-
DFLT8V0A-7.pdf
- Description:
- TVS DIODE 8VWM 13.6V POWERDI 123
- Quantity:
- Payment:
- Shipping:
Inventory:7,446
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
DFLT8V0A-7 from Diodes Incorporated is a unidirectional transient voltage suppressor (TVS) diode in PowerDI123 package, designed for primary overvoltage protection of DC power rails and signal lines. It features 8.0 V reverse standoff voltage, 8.89–9.83 V breakdown voltage at 1.0 mA test current, 13.6 V max clamping voltage at 16.5 A peak pulse current, and 225 W peak pulse power dissipation (10/1000 µs waveform), commonly deployed in automotive infotainment power inputs.
For engineers reviewing the DFLT8V0A-7 datasheet, DFLT8V0A-7 pinout, DFLT8V0A-7 application, or DFLT8V0A-7 equivalent, key selection criteria include clamping voltage margin relative to protected IC VMAX, IPP capability under ISO 7637-2 Pulse 1/2a/5a waveforms, thermal resistance (RθJS = 6 °C/W), and AEC-Q101 qualification status for automotive use cases.
Technical Context
This TVS operates as a unidirectional avalanche clamp, triggered when reverse voltage exceeds its specified VRWM (8.0 V) and transitions into low-impedance conduction above VBR (min 8.89 V). Its fast response (<1 ps) and low dynamic impedance enable effective suppression of ESD (IEC 61000-4-2 ±30 kV contact) and surge transients (IEC 61000-4-5 1 kV line-to-line).
The device uses planar junction construction on silicon die with cathode-band polarity marking, optimized for surface-mount reliability in high-vibration environments. Thermal design leverages the PowerDI123's low RθJS (6 °C/W) and copper leadframe to sustain repetitive surge events without thermal runaway under defined derating curves.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Standoff Voltage (VRWM) | 8.0 V - Maximum continuous DC voltage before leakage exceeds 25 µA; sets upper limit for protected circuit operating voltage. |
| Breakdown Voltage (VBR) | 8.89–9.83 V @ 1.0 mA - Confirmed avalanche initiation range; ensures reliable turn-on before downstream IC damage thresholds. |
| Max Clamping Voltage (VC) | 13.6 V @ 16.5 A - Peak voltage seen by protected load during 10/1000 µs surge; must be below absolute maximum rating of downstream components. |
| Peak Pulse Power (PPK) | 225 W (10/1000 µs) - Sustains standardized surge energy without failure; validated per IEC 61000-4-5 Level 3 (1 kV). |
| Thermal Resistance (RθJS) | 6 °C/W - Junction-to-solder-point thermal path enables efficient heat transfer to PCB copper, critical for repetitive surge duty cycles. |
| Capacitance (CT) | ~45 pF @ 0 V - Low parasitic capacitance preserves signal integrity on data lines up to ~100 Mbps (e.g., CAN FD, LIN). |
Pinout & Package
Package: PowerDI123 - Surface-mount, 3-pin (cathode-anode-cathode tab) molded plastic package with matte tin annealed copper leadframe, UL 94V-0 rated, moisture sensitivity level 1, weight ≈ 0.01 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode Band (Pin 1) | High-side connection point for unidirectional clamping | Connected to protected line (e.g., +12 V rail); conducts surge current to ground when VIN > VBR. |
| Anode (Pin 2) | Low-side reference node | Typically tied to system ground or low-impedance return path; completes clamping current loop during transient events. |
| Cathode Tab (Exposed Pad) | Thermal and electrical cathode extension | Provides enhanced thermal conduction to PCB copper pour and additional current-carrying capacity; must be soldered to ground plane. |
Key Features
| Feature | Design Value |
|---|---|
| 225 W peak pulse power (10/1000 µs) | Enables robust protection against ISO 7637-2 Pulse 5a (50 V/100 ms) and IEC 61000-4-5 combination wave surges in 12 V automotive systems. |
| Low clamping ratio (VC/VBR ≈ 1.45) | Minimizes overvoltage stress on protected ICs-e.g., keeps 5 V logic supply within safe margin even during 16.5 A surge. |
| PowerDI123 package with exposed cathode tab | Reduces thermal resistance to 6 °C/W and improves mechanical reliability in vibration-prone automotive modules (e.g., body control units). |
| AEC-Q101 qualified variant available (DFLT8V0AQ) | Supports automotive production with PPAP documentation, IATF 16949 manufacturing, and change control for safety-critical applications. |
Applications
| Automotive Power Input Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: 12 V battery-fed infotainment head unit exposed to load dump (ISO 7637-2 Pulse 5a) and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS placed between input fuse and DC-DC converter input, clamping transients within 1 ns. Use Value: Limits voltage to ≤13.6 V during 16.5 A surge, preventing damage to 16 V-rated input capacitors and enabling single-stage protection without series impedance. | Use Scenario: 24 V industrial PLC analog input channel (4–20 mA loop) subject to field-wiring induced surges. IC Role / Device Role / Timing Role: Primary overvoltage clamp on signal line before precision op-amp front-end, referenced to local ground. Use Value: 45 pF capacitance avoids signal distortion at 1 kHz bandwidth; 13.6 V clamping protects 16 V op-amp supply pins without requiring additional filtering. |
| USB Type-C VBUS Line Protection | Automotive CAN Bus Node Protection |
Use Scenario: USB PD 3.0 source port delivering up to 20 V/5 A, vulnerable to hot-plug transients and ESD. IC Role / Device Role / Timing Role: Unidirectional TVS on VBUS line upstream of load switch, with cathode to VBUS and anode to ground. Use Value: 8.0 V standoff allows full 5–20 V PD negotiation range; 13.6 V clamping prevents latch-up in 15 V-rated USB PD controller ICs. | Use Scenario: CAN FD node in vehicle gateway module subjected to ESD (±30 kV contact) and coupled noise from adjacent high-power circuits. IC Role / Device Role / Timing Role: Secondary protection device across CAN_H/CAN_L differential pair, referenced to chassis ground. Use Value: Low 45 pF capacitance preserves >5 Mbps CAN FD signal rise/fall times; 225 W rating absorbs multiple ESD strikes without degradation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ8.0A | Same 8.0 V VRWM, but SMA package (RθJA = 150 °C/W vs. 6 °C/W), lower PPK = 400 W (but higher RθJA limits sustained surge handling) | Not suitable for high-reliability automotive under-hood use due to inferior thermal performance and no AEC-Q101 variant | Select only for cost-sensitive consumer applications with low ambient temperature and infrequent surges. |
| DFLT8V0AQ | Identical electrical specs, but AEC-Q101 qualified, PPAP-capable, manufactured in IATF 16949 facility, marked with 'Q' suffix | Required for automotive production programs where change control, traceability, and qualification evidence are mandatory | Specify DFLT8V0AQ-not DFLT8V0A-7-for Tier 1 OEM designs and safety-critical modules. |
Compared with SMAJ8.0A, DFLT8V0A-7 delivers superior thermal management and automotive-grade reliability; compared with DFLT8V0AQ, it lacks formal AEC-Q101 certification but shares identical electrical behavior and packaging-making it suitable for non-automotive industrial or prototyping use where qualification is not required.
Availability
DFLT8V0A-7 is available at Aetrix Electronics and suitable for automotive infotainment power inputs, industrial sensor interface protection, and USB Type-C VBUS line protection requiring stable component supply and consistent surge performance across production batches.
Supply support for DFLT8V0A-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 for automotive, industrial, and computing markets.
The DFLT series targets transient suppression in harsh environments, with PowerDI123 packaging and AEC-Q101 variants engineered specifically for automotive power rail and communication bus protection.
FAQ
What is the polarity configuration of DFLT8V0A-7?
DFLT8V0A-7 is a unidirectional TVS diode with cathode-band marking indicating the high-side terminal. It conducts only when the cathode is positive relative to the anode, making it suitable for protecting positive DC rails like 12 V or 24 V supplies against negative-going transients and positive surges.
Does DFLT8V0A-7 meet AEC-Q101 requirements?
No-DFLT8V0A-7 is the commercial-grade version. The AEC-Q101 qualified variant is designated DFLT8V0AQ and requires separate ordering. DFLT8V0AQ undergoes extended stress testing, PPAP documentation, and is produced in IATF 16949 certified facilities per Diodes' automotive product definitions.
How does the PowerDI123 package improve thermal performance over SMA?
The PowerDI123's exposed cathode tab provides direct thermal conduction to the PCB ground plane, achieving RθJS = 6 °C/W-more than 20× better than SMA's RθJA = 150 °C/W. This enables sustained surge handling and higher reliability in high-ambient-temperature environments like engine compartments.
Can DFLT8V0A-7 be used for bidirectional protection?
No-it is strictly unidirectional. For bidirectional surge suppression (e.g., AC lines or differential buses), a symmetric TVS like DMLF0805 or paired unidirectional devices would be required. Using DFLT8V0A-7 on AC signals risks forward conduction and permanent damage during negative half-cycles.
DFLT8V0A-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- POWERDI®123
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 8V
- Voltage - Breakdown (Min):
- 8.89V
- Voltage - Clamping (Max) @ Ipp:
- 13.6V
- Current - Peak Pulse (10/1000µs):
- 16.5A
- Power - Peak Pulse:
- 225W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PowerDI™ 123
DFLT8V0A-7 FAQ
1.How can I place an order for DFLT8V0A-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for DFLT8V0A-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 DFLT8V0A-7 reliable?
The price and inventory of DFLT8V0A-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DFLT8V0A-7 is usually 5 days.
3.What payment methods are accepted for DFLT8V0A-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DFLT8V0A-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DFLT8V0A-7?
DFLT8V0A-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DFLT8V0A-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 DFLT8V0A-7?
For technical support, including DFLT8V0A-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DFLT8V0A-7 requirements.
6.How does Aetrix verify that DFLT8V0A-7 is sourced from the original manufacturer or authorized distributors?
All DFLT8V0A-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 DFLT8V0A-7 meets industry standards.
7.What is the process for return or replacement of DFLT8V0A-7?
All DFLT8V0A-7 units undergo pre-shipment inspection (PSI). If there is an issue with DFLT8V0A-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 DFLT8V0A-7 part is unused and in its original packaging.
Return procedure for DFLT8V0A-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DFLT8V0A-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…
