Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

Home > Products > Circuit Protection > Transient Voltage Suppressors (TVS) > TVS Diodes

Vishay General Semiconductor - Diodes Division P6KE6.8HE3/73

Name: P6KE6.8HE3/73
Brand: Vishay General Semiconductor - Diodes Division
SKU: P6KE6.8HE3/73
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: P6KE6.8HE3/73

Manufacturer:: Vishay General Semiconductor - Diodes Division

Category:: TVS Diodes

Package:: DO-204AC, DO-15, Axial

Datasheet:: P6KE6.8HE3/73.pdf

Description:: TVS DIODE 5.5VWM 10.8VC DO204AC

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:4,904

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

P6KE6.8HE3/73 from Vishay General Semiconductor is a unidirectional Transient Voltage Suppressor (TVS) diode designed for primary overvoltage protection in DC power rails and signal lines. It features a 6.8 V breakdown voltage (V_BR), 600 W peak pulse power rating (10/1000 µs), 10.5 V maximum clamping voltage at 57.1 A, and AEC-Q101 qualification for automotive-grade reliability - deployed in ECU power input stages and sensor interface protection.

For engineers reviewing the P6KE6.8HE3/73 datasheet, P6KE6.8HE3/73 pinout, P6KE6.8HE3/73 application, or P6KE6.8HE3/73 equivalent, this page delivers verified electrical parameters, DO-204AC (DO-15) package details, clamping behavior under surge conditions, and validated alternatives for circuit-level ESD/transient hardening.

Technical Context

This TVS operates as a silicon avalanche diode with glass-passivated junction, triggering conduction when reverse voltage exceeds its 6.45–7.14 V breakdown range at 10 mA test current. Its low 20 °C/W junction-to-lead thermal resistance enables effective heat dissipation during transient events.

Clamping occurs within <1 ns response time, limiting induced voltage to ≤10.5 V at 57.1 A peak pulse current (10/1000 µs waveform). Standoff voltage is 5.8 V, with ≤1000 µA leakage at that bias - ensuring minimal standby loading on protected circuits.

Key Specifications

Parameter	Value and Actual Design Meaning
V_BR (min/max)	6.45 V / 7.14 V at 10 mA - defines precise avalanche initiation threshold for predictable protection onset
V_WM	5.8 V - maximum continuous reverse operating voltage before leakage exceeds 1000 µA
V_C @ I_PPM	10.5 V at 57.1 A - clamped voltage seen by downstream ICs during worst-case 600 W surge
P_PPM	600 W (10/1000 µs) - peak transient energy absorption capability without failure
I_FSM	100 A (8.3 ms half-sine) - surge current handling for repetitive load-switching events
T_J max	175 °C - maximum junction temperature enabling operation in under-hood automotive environments
Package	DO-204AC (DO-15) - axial-leaded, UL 94 V-0 molded epoxy case with matte tin-plated leads

Pinout & Package

DO-204AC (DO-15) package: axial-leaded, cylindrical epoxy body with cathode band marking. Leads are matte tin-plated, solderable per J-STD-002 and JESD 22-B102; meets JESD 201 Class 2 whisker test (HE3 suffix).

Pin/Terminal	Circuit Role	Design Meaning
Anode	Forward conduction terminal	Connected to lower-potential side (e.g., GND or return path) in unidirectional configuration
Cathode	Avalanche conduction terminal	Marked end (color band); connected to protected line - conducts during overvoltage to shunt current to ground

Key Features

Feature	Design Value
Glass-passivated junction	Ensures stable V_BR tolerance and long-term reliability under thermal cycling and humidity stress
AEC-Q101 qualification	Validated for automotive applications including engine control units and body electronics
600 W peak pulse power	Withstands ISO 7637-2 Pulse 1/2a/3a transients and IEC 61000-4-5 surge events without degradation
Low clamping ratio (V_C/V_BR ≈ 1.47)	Minimizes overvoltage stress on downstream MOSFETs, microcontrollers, and analog front-ends
RoHS-compliant HE3 suffix	Meets JESD 201 Class 2 whisker resistance and UL 94 V-0 flammability for industrial safety compliance

Applications

Automotive Power Input Protection	Industrial Sensor Interface Protection
Use Scenario: 12 V battery rail in engine control unit exposed to load dump (ISO 7637-2 Pulse 5a) and alternator switching spikes. IC Role / Device Role / Timing Role: Primary clamping device placed between battery feed and DC-DC converter input. Use Value: Limits transient voltage to ≤10.5 V, preventing damage to 16 V-rated input capacitors and LDO regulators.	Use Scenario: 5 V supply line feeding analog temperature/humidity sensors in factory automation PLC modules. IC Role / Device Role / Timing Role: Low-leakage (≤1000 µA @ 5.8 V) protector on sensor V_DD rail adjacent to connector entry point. Use Value: Maintains signal integrity by clamping ESD events (IEC 61000-4-2 ±8 kV contact) before they couple into ADC reference paths.
Consumer USB Port Surge Suppression	Telecom Line Card DC Feed Protection
Use Scenario: +5 V VBUS line in USB 2.0 host port subjected to hot-plug transients and cable-induced surges. IC Role / Device Role / Timing Role: Unidirectional TVS mounted directly at USB connector, anode to GND, cathode to VBUS. Use Value: Responds in <1 ns to clamp overshoot below USB specification 5.5 V absolute maximum, preserving PHY IC lifetime.	Use Scenario: -48 V DC feed line in telecom base station line card exposed to lightning-induced surges on remote site wiring. IC Role / Device Role / Timing Role: Reverse-connected (cathode to -48 V, anode to GND) to protect upstream DC-DC and monitoring circuitry. Use Value: Absorbs 600 W pulses while maintaining ≤10.5 V differential across protected components - critical for isolated feedback loop stability.

Automotive Power Input Protection

Industrial Sensor Interface Protection

Use Scenario: 12 V battery rail in engine control unit exposed to load dump (ISO 7637-2 Pulse 5a) and alternator switching spikes.

IC Role / Device Role / Timing Role: Primary clamping device placed between battery feed and DC-DC converter input.

Use Value: Limits transient voltage to ≤10.5 V, preventing damage to 16 V-rated input capacitors and LDO regulators.

Use Scenario: 5 V supply line feeding analog temperature/humidity sensors in factory automation PLC modules.

IC Role / Device Role / Timing Role: Low-leakage (≤1000 µA @ 5.8 V) protector on sensor V_DD rail adjacent to connector entry point.

Use Value: Maintains signal integrity by clamping ESD events (IEC 61000-4-2 ±8 kV contact) before they couple into ADC reference paths.

Consumer USB Port Surge Suppression

Telecom Line Card DC Feed Protection

Use Scenario: +5 V VBUS line in USB 2.0 host port subjected to hot-plug transients and cable-induced surges.

IC Role / Device Role / Timing Role: Unidirectional TVS mounted directly at USB connector, anode to GND, cathode to VBUS.

Use Value: Responds in <1 ns to clamp overshoot below USB specification 5.5 V absolute maximum, preserving PHY IC lifetime.

Use Scenario: -48 V DC feed line in telecom base station line card exposed to lightning-induced surges on remote site wiring.

IC Role / Device Role / Timing Role: Reverse-connected (cathode to -48 V, anode to GND) to protect upstream DC-DC and monitoring circuitry.

Use Value: Absorbs 600 W pulses while maintaining ≤10.5 V differential across protected components - critical for isolated feedback loop stability.

Equivalent & Alternatives

The following parts are listed as comparable options for similar transient suppression applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
SMAJ6.0A	Lower V_BR (5.7–6.3 V), same DO-214AC package, 400 W P_PPM	Less margin above 5 V logic rails; suited for tighter V_WM requirements but lower surge capacity	Select when board space constraints require SMD mounting and 400 W rating suffices
1.5KE6.8A	Same V_BR range and DO-204AC package, but 1500 W P_PPM and higher I_PPM (123 A)	Over-spec'd for most 12 V systems; requires larger PCB pads and higher thermal mass	Choose only when legacy designs mandate 1.5 kW rating or ISO 7637-2 Pulse 5b compliance is required

Compared with SMAJ6.0A and 1.5KE6.8A, P6KE6.8HE3/73 delivers optimal balance of 600 W surge handling, AEC-Q101 qualification, and DO-15 through-hole compatibility - making it ideal for cost-sensitive, high-reliability automotive and industrial power rail protection where 10.5 V clamping is acceptable.

Availability

P6KE6.8HE3/73 is available at Aetrix Electronics and suitable for automotive ECUs, industrial sensor nodes, consumer USB power delivery, and telecom line card designs requiring stable component supply with full traceability and lifecycle support.

Supply support for P6KE6.8HE3/73 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

Vishay General Semiconductor is a global leader in discrete semiconductors, specializing in diodes, rectifiers, and protection devices with emphasis on reliability, efficiency, and application-specific validation.

The P6KE series targets cost-effective, high-surge-capability transient protection for DC power and signal lines in automotive, industrial, and consumer electronics - engineered for robustness under real-world inductive switching and ESD stress.

FAQ

What is the breakdown voltage tolerance of P6KE6.8HE3/73?

The P6KE6.8HE3/73 has a specified breakdown voltage range of 6.45 V to 7.14 V at 10 mA test current, corresponding to ±5% tolerance around the nominal 6.8 V rating. This tight V_BR window ensures consistent clamping onset across production lots and supports reliable design margins in 5 V and 12 V systems where P6KE6.8HE3/73 is commonly applied.

Is P6KE6.8HE3/73 suitable for automotive applications?

Yes, P6KE6.8HE3/73 is AEC-Q101 qualified and rated for operation from –55 °C to +175 °C junction temperature. Its DO-204AC package, glass-passivated junction, and 600 W surge capability meet requirements for engine control units, body control modules, and infotainment power inputs - confirmed in Vishay's qualification report referenced in Document Number 88369.

How does the clamping voltage of P6KE6.8HE3/73 compare to its breakdown voltage?

P6KE6.8HE3/73 clamps to a maximum of 10.5 V at its rated 57.1 A peak pulse current (10/1000 µs), yielding a clamping ratio of ~1.47 relative to its minimum V_BR of 6.45 V. This low ratio reflects efficient avalanche conduction and ensures protected ICs experience minimal overvoltage stress during transient events - a key advantage over higher-ratio suppressors.

What is the maximum leakage current of P6KE6.8HE3/73 at its standoff voltage?

At its maximum working voltage (V_WM) of 5.8 V, P6KE6.8HE3/73 exhibits ≤1000 µA reverse leakage current at 25 °C. This low leakage preserves power efficiency in always-on circuits such as automotive wake-up receivers and IoT sensor nodes where P6KE6.8HE3/73 is frequently deployed for persistent rail protection.

Does P6KE6.8HE3/73 have RoHS and halogen-free compliance?

Yes, P6KE6.8HE3/73 carries the HE3 suffix, indicating full RoHS compliance per Directive 2011/65/EU and halogen-free status per JEDEC JS709A. The device uses matte tin-plated leads and UL 94 V-0 compliant epoxy molding compound - verified in Vishay's Material Category Policy documentation (Doc. #99912).

P6KE6.8HE3/73 Specifications

Product attributes: Attribute value

Manufacturer:: Vishay General Semiconductor - Diodes Division

Package/Case:: DO-204AC, DO-15, Axial

Series:: TransZorb®

Packaging:: Tape & Box (TB)

Product Status:: Obsolete

Type:: Zener

Unidirectional Channels:: 1

Bidirectional Channels:: -

Voltage - Reverse Standoff (Typ):: 5.5V

Voltage - Breakdown (Min):: 6.12V

Voltage - Clamping (Max) @ Ipp:: 10.8V

Current - Peak Pulse (10/1000µs):: 55.6A

Power - Peak Pulse:: 600W

Power Line Protection:: No

Applications:: -

Capacitance @ Frequency:: -

Operating Temperature:: -55°C ~ 175°C (TJ)

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Through Hole

Supplier Device Package:: DO-204AC (DO-15)

P6KE6.8HE3/73 FAQ

1.How can I place an order for P6KE6.8HE3/73 through Aetrix?

Please submit a Request for Quotation (RFQ) for P6KE6.8HE3/73 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 P6KE6.8HE3/73 reliable?

The price and inventory of P6KE6.8HE3/73 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6KE6.8HE3/73 is usually 5 days.

3.What payment methods are accepted for P6KE6.8HE3/73?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KE6.8HE3/73 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for P6KE6.8HE3/73?

P6KE6.8HE3/73 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your P6KE6.8HE3/73 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 P6KE6.8HE3/73?

For technical support, including P6KE6.8HE3/73 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KE6.8HE3/73 requirements.

6.How does Aetrix verify that P6KE6.8HE3/73 is sourced from the original manufacturer or authorized distributors?

All P6KE6.8HE3/73 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 P6KE6.8HE3/73 meets industry standards.

7.What is the process for return or replacement of P6KE6.8HE3/73?

All P6KE6.8HE3/73 units undergo pre-shipment inspection (PSI). If there is an issue with P6KE6.8HE3/73, 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 P6KE6.8HE3/73 part is unused and in its original packaging.

Return procedure for P6KE6.8HE3/73:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

Tech Hub

2026-09-11 Comparator Circuit: Voltage Thresholds, Op-Amp Differences, LM393 and Practical Design

Comparator circuit design covering voltage thresholds, input limits, open-collector outputs, LM393 wiring, op-amp differences, hysteresis, timing, window detection and practical fault diagnosis.

2026-09-10 Schmitt Trigger Explained: Hysteresis, Circuits, Inverters and Applications

Schmitt triggers use separate rising and falling thresholds to stabilize slow or noisy signals. This guide covers hysteresis, 74HC14 and 74HCT14 selection, comparator calculations, RC oscillators and p…

2026-09-09 Counterfeit Electronic Components: How to Detect, Authenticate, and Test Suspect Parts

Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …

2026-09-08 Obsolete Electronic Components: How to Source and Evaluate Replacements

A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.

2026-09-07 TTL vs CMOS Logic Levels: 74HC and 74HCT Compatibility Explained

TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.

2026-09-04 Logic Level Shifter: How to Connect 3.3V and 5V Logic Safely

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.

2026-09-03 74HC595 vs TPIC6B595: Output Drive, Pinout, Current, and Load Selection

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…

2026-09-02 74HC595 Pinout, Timing, Output Current, and Applications

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…

2026-09-01 Latch vs Flip-Flop: Timing, Differences and Design Choices

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…

2026-08-30 D Latch Circuit: Truth Table, Timing, ICs and Applications

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 …