My Inquiry
My Account
Vishay General Semiconductor - Diodes Division P6SMB9.1CAHE3/52
- Part No.:
- P6SMB9.1CAHE3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB9.1CAHE3/52.pdf
- Description:
- TVS DIODE 7.78VWM 13.4VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:6,479
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
P6SMB9.1CAHE3/52 from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode in the SMB (DO-214AA) package, designed for clamping voltage transients on signal or power lines. It features a 9.1 V breakdown voltage (VBR = 8.65–9.55 V at IT = 1.0 mA), 7.78 V stand-off voltage (VWM), and clamps to ≤13.4 V at 44.8 A peak pulse current (IPPM) under 10/1000 μs waveform - used in automotive sensor interface protection per AEC-Q101 qualification.
For engineers reviewing the P6SMB9.1CAHE3/52 datasheet, P6SMB9.1CAHE3/52 pinout, P6SMB9.1CAHE3/52 application, or P6SMB9.1CAHE3/52 equivalent, key selection criteria include bidirectional clamping capability, 600 W peak pulse power rating, AEC-Q101 qualification status, low clamping ratio (VC/VBR ≈ 1.47), and compatibility with automated SMT assembly on standard 0.2" × 0.2" copper pads.
Technical Context
This device operates as a voltage-clamped surge protector with symmetrical reverse/forward conduction behavior due to its bidirectional structure. It responds within <1 ps to transient overvoltages and maintains stable clamping performance across -65 °C to +150 °C junction temperature range.
Its glass-passivated junction ensures low leakage (<50 μA at VWM) and high reliability under repetitive surge conditions (0.01% duty cycle). The SMB package supports MSL Level 1 handling and meets JESD201 Class 2 whisker resistance requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Breakdown Voltage VBR | 8.65–9.55 V at 1.0 mA test current - defines precise voltage threshold where clamping initiates |
| Stand-off Voltage VWM | 7.78 V - maximum continuous reverse voltage before significant leakage begins |
| Clamping Voltage VC | ≤13.4 V at 44.8 A IPPM - limits downstream circuit voltage during 10/1000 μs surge |
| Peak Pulse Power PPPM | 600 W - sustains single transient energy without failure under standardized waveform |
| Operating Temperature | -65 °C to +150 °C - enables use in under-hood automotive and industrial environments |
| AEC-Q101 Qualified | Yes - validated for automotive electronics per stress test requirements including HTOL, TC, HTRB |
| Package | SMB (DO-214AA) - surface-mount footprint compatible with IPC-7351B standard pad layout |
Pinout & Package
Two-terminal bidirectional device in SMB (DO-214AA) package; no polarity marking required. Terminals are matte tin-plated leads solderable per J-STD-002 and JESD22-B102. Mounting requires 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal per datasheet fig. 6.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode / Cathode (symmetrical) | Transient conduction path | Identical bidirectional clamping behavior - either terminal serves as input/output for surge suppression |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power | Handles high-energy transients common in automotive load-dump and inductive switching events |
| AEC-Q101 qualification | Validated for automotive-grade reliability including temperature cycling and high-temperature operating life |
| Low clamping ratio (VC/VBR ≈ 1.47) | Minimizes overvoltage stress on protected ICs such as CAN transceivers or microcontrollers |
| MSL Level 1 moisture sensitivity | Enables direct placement without baking; compatible with standard reflow profiles up to 260 °C peak |
| Glass-passivated junction | Ensures stable leakage current (<50 μA) and long-term parameter stability under thermal cycling |
Applications
| Automotive Sensor Interface Protection | Industrial PLC Input Protection |
|---|---|
Use Scenario: Protecting analog sensor outputs (e.g., pressure, temperature) from ISO 7637-2 pulse 1/2a/5a transients in vehicle ECUs. IC Role / Device Role / Timing Role: Bidirectional TVS clamping element placed directly at connector entry point before signal conditioning circuitry. Use Value: Limits induced surges to ≤13.4 V, preserving ADC input integrity and preventing latch-up in downstream op-amps or MCUs. |
Use Scenario: Shielding 24 V DC digital inputs of programmable logic controllers from field-wiring induced transients and ESD. IC Role / Device Role / Timing Role: Primary surge suppression device mounted adjacent to terminal block, shunting fast-rising spikes before optocoupler input stage. Use Value: Withstands 600 W pulses without degradation, maintaining signal fidelity and reducing false-trigger risk in noisy factory environments. |
| Telecom Line Interface Protection | Consumer Appliance Motor Drive Protection |
Use Scenario: Safeguarding RS-485 transceiver pins against lightning-induced surges on outdoor data lines. IC Role / Device Role / Timing Role: Secondary-level protection device placed after gas discharge tube (GDT), providing low-clamp final-stage suppression. Use Value: Fast sub-nanosecond response captures residual transients missed by slower primary protectors, limiting voltage to safe levels for ±12 V transceiver rails. |
Use Scenario: Suppressing back-EMF spikes generated by brushed DC motors in washing machines or HVAC blowers. IC Role / Device Role / Timing Role: Across-the-line TVS connected across motor terminals to clamp inductive kickback during MOSFET switching. Use Value: Absorbs 600 W energy pulses without failure, extending MOSFET lifetime and eliminating need for snubber RC networks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ9.0A-E3/52 | Unidirectional; VBR = 10.0–11.1 V; VC = 14.4 V at 41.7 A; same SMB package | Requires external polarity awareness; unsuitable for AC-coupled or floating signal lines | Select only when circuit topology enforces defined polarity and lower cost is prioritized over bidirectional flexibility |
| SMCJ9.0CA | Higher power rating (1500 W); larger SMC (DO-214AB) package; VC = 14.4 V at 104 A | Occupies more PCB area; suited for higher-energy threats like ISO 16750-2 load dump | Choose when system-level testing reveals insufficient margin with 600 W rating, and board space permits larger footprint |
Compared with SMAJ9.0A-E3/52 and SMCJ9.0CA, P6SMB9.1CAHE3/52 offers verified AEC-Q101 qualification, optimal 600 W/13.4 V clamping balance for cost-sensitive automotive modules, and SMB footprint compatibility with high-density layouts - making it the preferred choice for CAN/LIN bus node protection where bidirectionality and qualification are mandatory.
Availability
P6SMB9.1CAHE3/52 is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial PLC inputs, telecom line protection, and consumer appliance motor drive circuits requiring stable component supply and AEC-Q101 compliance.
Supply support for P6SMB9.1CAHE3/52 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, MOSFETs, and protection devices with emphasis on reliability and automotive-grade validation.
The P6SMB Series targets robust transient suppression in harsh environments, specifically engineered for AEC-Q101-compliant automotive electronics and industrial control systems demanding high surge immunity in compact SMB packages.
FAQ
What is the clamping voltage of P6SMB9.1CAHE3/52 under a 10/1000 μs surge?
The P6SMB9.1CAHE3/52 clamps to a maximum of 13.4 V when subjected to its rated peak pulse current of 44.8 A under the standardized 10/1000 μs waveform. This value is measured at the device terminals with specified mounting conditions (0.2" × 0.2" copper pads), and represents the upper limit of voltage seen by protected circuitry during transient events.
Is P6SMB9.1CAHE3/52 suitable for automotive applications?
Yes, P6SMB9.1CAHE3/52 is AEC-Q101 qualified and explicitly designated for automotive use with suffix "HE3". Its construction includes glass-passivated junctions, MSL Level 1 handling, and validation across temperature cycling, high-temperature operating life, and humidity tests - meeting requirements for engine control units, body electronics, and ADAS sensor modules.
How does the bidirectional design of P6SMB9.1CAHE3/52 affect circuit layout?
The bidirectional nature of P6SMB9.1CAHE3/52 eliminates polarity constraints during placement - no cathode band orientation is required, simplifying PCB layout and automated assembly. This allows symmetric placement across differential lines (e.g., CAN_H/CAN_L) or AC-coupled signals without concern for terminal assignment, reducing design iteration time and assembly errors.
What is the maximum steady-state power dissipation of P6SMB9.1CAHE3/52?
P6SMB9.1CAHE3/52 has a maximum steady-state power dissipation (PD) of 5.0 W when mounted on an infinite heatsink at 50 °C ambient. Under typical PCB conditions with 0.2" × 0.2" copper pads, derating applies above 25 °C ambient per Figure 2 in the datasheet, limiting continuous power to ~2.5 W at 85 °C board temperature.
Does P6SMB9.1CAHE3/52 require special handling during reflow soldering?
No special handling is required for P6SMB9.1CAHE3/52: it meets MSL Level 1 per J-STD-020 and supports peak reflow temperatures up to 260 °C. Standard lead-free reflow profiles (e.g., JEDEC J-STD-020) can be applied without pre-baking, and its matte tin-plated leads comply with J-STD-002 for solderability assurance.
P6SMB9.1CAHE3/52 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- P6SMB, TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 7.78V
- Voltage - Breakdown (Min):
- 8.65V
- Voltage - Clamping (Max) @ Ipp:
- 13.4V
- Current - Peak Pulse (10/1000µs):
- 44.8A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
P6SMB9.1CAHE3/52 FAQ
1.How can I place an order for P6SMB9.1CAHE3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB9.1CAHE3/52 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 P6SMB9.1CAHE3/52 reliable?
The price and inventory of P6SMB9.1CAHE3/52 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB9.1CAHE3/52 is usually 5 days.
3.What payment methods are accepted for P6SMB9.1CAHE3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB9.1CAHE3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB9.1CAHE3/52?
P6SMB9.1CAHE3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB9.1CAHE3/52 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 P6SMB9.1CAHE3/52?
For technical support, including P6SMB9.1CAHE3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB9.1CAHE3/52 requirements.
6.How does Aetrix verify that P6SMB9.1CAHE3/52 is sourced from the original manufacturer or authorized distributors?
All P6SMB9.1CAHE3/52 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 P6SMB9.1CAHE3/52 meets industry standards.
7.What is the process for return or replacement of P6SMB9.1CAHE3/52?
All P6SMB9.1CAHE3/52 units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB9.1CAHE3/52, 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 P6SMB9.1CAHE3/52 part is unused and in its original packaging.
Return procedure for P6SMB9.1CAHE3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB9.1CAHE3/52 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 …
