My Inquiry
My Account
Vishay General Semiconductor - Diodes Division P6KE9.1HE3/54
- Part No.:
- P6KE9.1HE3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KE9.1HE3/54.pdf
- Description:
- TVS DIODE 7.37VWM 13.8VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:2,031
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
P6KE9.1HE3/54 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 9.1 V breakdown voltage (VBR = 8.65–9.55 V at IT = 1.0 mA), 13.4 V maximum clamping voltage at 44.8 A peak pulse current, and 600 W peak pulse power rating with 10/1000 µs waveform - deployed in automotive sensor interfaces and industrial power supply input stages.
For engineers reviewing the P6KE9.1HE3/54 datasheet, P6KE9.1HE3/54 pinout, P6KE9.1HE3/54 application, or P6KE9.1HE3/54 equivalent, this AEC-Q101-qualified DO-15 device delivers validated surge immunity for 12 V automotive subsystems, ESD-sensitive analog front-ends, and low-voltage microcontroller I/O protection where clamping accuracy and thermal robustness are critical.
Technical Context
This TVS operates as a silicon avalanche diode with glass-passivated junction, enabling sub-nanosecond response to transients and stable clamping under repetitive 10/1000 µs surges at 0.01% duty cycle. Its unidirectional polarity uses a cathode band marking and exhibits 7.78 V stand-off voltage (VWM) with only 50 µA max reverse leakage at that voltage.
Thermally, it sustains 175 °C maximum junction temperature and offers 20 °C/W junction-to-lead thermal resistance, supporting reliable operation on PCBs without heatsinks in ambient temperatures up to 85 °C. The HE3 suffix confirms AEC-Q101 qualification and JESD 201 Class 2 whisker resistance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 8.65 V / 9.55 V at 1.0 mA - defines precise avalanche initiation threshold for predictable turn-on during overvoltage events |
| VWM | 7.78 V - maximum continuous reverse operating voltage before leakage exceeds 50 µA; sets safe DC bias margin |
| VC @ IPPM | 13.4 V at 44.8 A - clamping voltage limiting downstream component stress during 600 W transient absorption |
| PPPM | 600 W - peak pulse power handling capability with 10/1000 µs waveform, enabling protection against ISO 7637-2 Pulse 1/2a/2b |
| IFSM | 100 A - non-repetitive forward surge current rating (8.3 ms half-sine), supporting fuse coordination in power rail protection |
| TJ max. | 175 °C - maximum junction temperature allowing operation in under-hood automotive environments |
| Package | DO-204AC (DO-15) - industry-standard axial leaded package with 0.300" lead spacing, UL 94 V-0 molded epoxy body |
Pinout & Package
DO-204AC (DO-15) package: axial-leaded, cylindrical epoxy body with cathode band marking on one end. Matte tin-plated leads compliant with J-STD-002 and JESD 22-B102 solderability standards.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential side of protected line (e.g., GND or return path); conducts during positive transients when cathode is biased higher |
| Cathode | Avalanche clamping terminal | Marked with color band; connected to higher-potential side (e.g., +12 V rail); initiates avalanche breakdown when voltage exceeds VBR |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control units and body electronics per stress test requirements |
| Glass passivated junction | Ensures long-term reliability and stable VBR performance across temperature and humidity cycling |
| 600 W peak pulse power | Withstands high-energy transients such as load dump (ISO 16750-2) and inductive switching spikes without degradation |
| Low clamping ratio (VC/VBR ≈ 1.41) | Minimizes overvoltage overshoot during clamping, reducing risk to downstream 5 V or 3.3 V logic components |
| JESD 201 Class 2 whisker resistance | Prevents tin whisker growth under thermal cycling, critical for long-life automotive and industrial deployments |
Applications
| Automotive Sensor Interface | Industrial PLC Input Protection |
|---|---|
Use Scenario: Protecting CAN/LIN transceiver I/O pins and analog sensor outputs (e.g., pressure, temperature) from ESD and load-dump-induced transients in vehicle cabins. IC Role / Device Role / Timing Role: Unidirectional TVS placed between signal line and ground, clamping negative-going transients and absorbing positive surges via forward conduction. Use Value: Limits voltage excursion to ≤13.4 V during 44.8 A transients, preserving integrity of 5 V tolerant transceivers and preventing latch-up in MCU GPIOs. |
Use Scenario: Safeguarding 24 V DC digital input modules in programmable logic controllers against field-wiring induced surges and relay coil flyback. IC Role / Device Role / Timing Role: Primary overvoltage clamp on each isolated input channel, mounted upstream of optocoupler or Schmitt trigger input stage. Use Value: Absorbs 600 W pulses without failure, maintaining <50 µA leakage at 7.78 V to avoid false triggering while enabling fast response (<1 ns) to fast-rising transients. |
| Consumer Power Adapter Output | Medical Equipment Low-Voltage Rail |
Use Scenario: Secondary-side overvoltage suppression on 9 V/12 V DC output rails of wall adapters and USB-C PD accessories. IC Role / Device Role / Timing Role: Standoff protector parallel to load, activated only during fault conditions (e.g., regulator failure, cable short). Use Value: Clamps to 13.4 V before downstream LDOs or DC-DC converters are damaged, with no standby power loss due to ultra-low 50 µA leakage. |
Use Scenario: Input protection for battery-powered patient monitoring devices operating from 9 V alkaline or Li-ion sources. IC Role / Device Role / Timing Role: First-line defense against ESD events on front-panel buttons, sensor connectors, and USB charging ports. Use Value: AEC-Q101 qualification ensures proven reliability in safety-critical systems; RoHS-compliant HE3 construction meets medical regulatory traceability requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ9.0A | DO-214AA package; 9.0 V nominal VBR; 600 W rating; 13.1 V VC at 43.3 A | Surface-mount footprint; lower profile; requires reflow-compatible layout | Select SMBJ9.0A for space-constrained PCBs where automated assembly and reduced height are prioritized over axial through-hole mounting. |
| P6KE9.1A-E3/54 | Same DO-15 package and electrical specs; commercial-grade (non-AEC-Q101); identical HE3 lead finish but no automotive qualification | Lacks AEC-Q101 validation; suitable for consumer/industrial use only | Choose P6KE9.1A-E3/54 for cost-sensitive non-automotive designs where automotive reliability testing is unnecessary. |
Compared with SMBJ9.0A and P6KE9.1A-E3/54, the P6KE9.1HE3/54 uniquely combines AEC-Q101 qualification, axial DO-15 form factor, and verified 175 °C junction capability - making it the only option qualified for under-hood automotive deployment among these three.
Availability
P6KE9.1HE3/54 is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial PLC inputs, and medical low-voltage rail protection requiring stable component supply and long-term lifecycle assurance.
Supply support for P6KE9.1HE3/54 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 was engineered for cost-effective, high-surge-capability transient protection in space- and power-constrained environments - particularly targeting automotive, industrial, and consumer power and signal line applications.
FAQ
What is the clamping voltage of the P6KE9.1HE3/54 under maximum rated surge current?
The P6KE9.1HE3/54 has a maximum clamping voltage (VC) of 13.4 V when subjected to its rated peak pulse current of 44.8 A using the standard 10/1000 µs waveform. This value is measured per JEDEC test conditions and ensures downstream components see limited overvoltage stress during transient events. The P6KE9.1HE3/54 maintains this clamping performance across its full operating temperature range.
Is the P6KE9.1HE3/54 suitable for automotive applications?
Yes, the P6KE9.1HE3/54 is AEC-Q101 qualified, confirming its suitability for automotive applications including engine control, body electronics, and infotainment systems. The HE3 suffix denotes compliance with JESD 201 Class 2 whisker resistance and RoHS requirements. The P6KE9.1HE3/54 is specifically validated for under-hood and cabin environments up to 175 °C junction temperature.
How does the P6KE9.1HE3/54 differ from the P6KE9.1A-E3/54?
The P6KE9.1HE3/54 and P6KE9.1A-E3/54 share identical electrical specifications and DO-15 packaging, but only the HE3 version carries AEC-Q101 qualification and JESD 201 Class 2 whisker resistance. The P6KE9.1A-E3/54 is commercial-grade and intended for non-automotive use. Both use matte tin-plated leads and meet RoHS, but the P6KE9.1HE3/54 adds automotive reliability validation.
What is the standoff voltage rating for the P6KE9.1HE3/54?
The P6KE9.1HE3/54 has a maximum working peak reverse voltage (VWM) of 7.78 V, meaning it can be continuously applied across the device without exceeding 50 µA reverse leakage current. This provides a 1.32 V design margin below the minimum breakdown voltage of 8.65 V, ensuring stable blocking behavior in 9 V nominal systems. The P6KE9.1HE3/54 maintains this VWM rating across its full -55 °C to +175 °C operating range.
Does the P6KE9.1HE3/54 require a heatsink for standard operation?
No, the P6KE9.1HE3/54 does not require a heatsink for standard transient suppression operation because its 5.0 W steady-state power dissipation rating is intended for continuous DC conditions - which rarely apply in TVS use cases. During transient events, energy is absorbed capacitively and thermally dissipated over milliseconds. The P6KE9.1HE3/54 relies on its 20 °C/W junction-to-lead thermal resistance and PCB copper area for heat transfer, making external heatsinking unnecessary in typical applications.
P6KE9.1HE3/54 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-204AC, DO-15, Axial
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 7.37V
- Voltage - Breakdown (Min):
- 8.19V
- Voltage - Clamping (Max) @ Ipp:
- 13.8V
- Current - Peak Pulse (10/1000µs):
- 43.5A
- 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)
P6KE9.1HE3/54 FAQ
1.How can I place an order for P6KE9.1HE3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KE9.1HE3/54 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 P6KE9.1HE3/54 reliable?
The price and inventory of P6KE9.1HE3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6KE9.1HE3/54 is usually 5 days.
3.What payment methods are accepted for P6KE9.1HE3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KE9.1HE3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KE9.1HE3/54?
P6KE9.1HE3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KE9.1HE3/54 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 P6KE9.1HE3/54?
For technical support, including P6KE9.1HE3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KE9.1HE3/54 requirements.
6.How does Aetrix verify that P6KE9.1HE3/54 is sourced from the original manufacturer or authorized distributors?
All P6KE9.1HE3/54 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 P6KE9.1HE3/54 meets industry standards.
7.What is the process for return or replacement of P6KE9.1HE3/54?
All P6KE9.1HE3/54 units undergo pre-shipment inspection (PSI). If there is an issue with P6KE9.1HE3/54, 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 P6KE9.1HE3/54 part is unused and in its original packaging.
Return procedure for P6KE9.1HE3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6KE9.1HE3/54 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
Comparator circuit design covering voltage thresholds, input limits, open-collector outputs, LM393 wiring, op-amp differences, hysteresis, timing, window detection and practical fault diagnosis.
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…
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, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
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.
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 …
