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Vishay BZD27B160P-HE3_A08
- Part No.:
- BZD27B160P-HE3_A08
- Manufacturer:
- Vishay
- Category:
- TVS Diodes
- Package:
- DO-219AB
- Datasheet:
-
BZD27B160P-HE3_A08.pdf
- Description:
- ZENER DIODE SMF DO219AB
- Quantity:
- Payment:
- Shipping:
Inventory:7,798
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Product details
Overview
BZD27B160P-HE3_A08 from Vishay Semiconductors is a 160 V, ±2 % tolerance AEC-Q101 qualified Zener diode in SOD-123W-compatible SMF (DO-219AB) package, rated for 5 mA test current, 130 V clamping voltage at 5 A surge, and 150 W peak surge power under 10/1000 μs waveform - used for overvoltage protection in automotive power rails and industrial DC bus monitoring.
For engineers reviewing the BZD27B160P-HE3_A08 datasheet, BZD27B160P-HE3_A08 pinout, BZD27B160P-HE3_A08 application, or BZD27B160P-HE3_A08 equivalent, key selection criteria include its 160 V nominal Zener voltage, 150 W 10/1000 μs surge rating, AEC-Q101 qualification, low-profile SMF package, and 0.67 %/°C temperature coefficient - critical for stable clamping in high-temperature automotive environments.
Technical Context
This unidirectional Zener diode operates in reverse breakdown to regulate or clamp voltage with tight ±2 % tolerance at 5 mA. Its 150 W non-repetitive peak surge power rating (10/1000 μs) and 130 V clamping voltage at 5 A enable robust transient suppression in 12 V–48 V automotive systems.
Designed for surface-mount reflow soldering, it meets MSL level 1 (260 °C peak), JESD 201 Class 2 whisker resistance, and AEC-Q101 qualification - confirming suitability for under-hood automotive applications where thermal stability and long-term reliability are essential.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage | 156.8 V min / 160 V nom / 163.2 V max - ensures precise 160 V clamping threshold with ±2 % tolerance for stable overvoltage protection |
| Test Current | 5 mA - defines operating point for Zener voltage specification and enables low-power biasing in monitoring circuits |
| Clamping Voltage | 214 V at 5 A (10/1000 μs) - limits transient voltage to safe levels during surge events without device failure |
| Peak Surge Power | 150 W (10/1000 μs) - sustains high-energy transients common in automotive load-dump and ISO 7637-2 pulse 5a |
| Temperature Coefficient | +0.09 %/°C min / +0.13 %/°C max - guarantees predictable voltage drift across -65 °C to +175 °C operating range |
| Junction Temp Max | 175 °C - supports operation in high-temperature engine bay and power electronics environments |
| Package | SMF (DO-219AB) - low-profile 2.7 × 3.9 mm surface-mount package compatible with SOD-123W footprint and automated assembly |
Pinout & Package
SMF (DO-219AB) package: 2-terminal, unidirectional, cathode-marked top-side stripe; dimensions 2.7 mm × 3.9 mm × 1.2 mm; optimized for high thermal dissipation via copper pad mounting.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential node; conducts when forward-biased ≤ 1.2 V at 0.2 A |
| Cathode | Zener breakdown terminal | Connected to higher-potential node; regulates/clamps voltage at 160 V in reverse bias |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive use including temperature cycling, humidity testing, and mechanical shock per AEC standard |
| ±2 % Zener voltage tolerance | Enables precise voltage reference and clamping without post-production trimming or calibration |
| 150 W 10/1000 μs surge rating | Withstands ISO 7637-2 Pulse 5a load-dump transients in 12 V/24 V vehicle electrical systems |
| MSL Level 1 moisture sensitivity | Allows unlimited floor life and standard reflow without baking, reducing manufacturing overhead |
| 0.67–0.13 %/°C tempco | Minimizes voltage drift over full -65 °C to +175 °C range, critical for engine control unit (ECU) protection |
Applications
| Automotive Load-Dump Protection | Industrial DC Bus Monitoring |
|---|---|
Use Scenario: Protecting microcontrollers and sensors from 120 V load-dump transients in 12 V automotive power networks. IC Role / Device Role / Timing Role: Unidirectional Zener clamping device placed between supply rail and ground to shunt excess energy during alternator disconnection. Use Value: Limits transient voltage to ≤214 V at 5 A, preventing damage to downstream 100 V-rated ICs while maintaining AEC-Q101 compliance. | Use Scenario: Safeguarding programmable logic controllers (PLCs) against surges on 48 V industrial DC distribution buses. IC Role / Device Role / Timing Role: Standoff voltage limiter connected across bus and chassis ground to absorb repetitive switching transients. Use Value: Delivers 150 W peak surge handling with 0.67 %/°C tempco, ensuring stable clamping performance across wide ambient temperature swings. |
| On-Board Charger (OBC) Input Stage | EV Battery Management System (BMS) |
Use Scenario: Clamping input stage of 400 V OBC front-end converters during regenerative braking voltage spikes. IC Role / Device Role / Timing Role: Secondary overvoltage protector parallel to primary TVS, providing redundant 160 V threshold with tighter tolerance. Use Value: ±2 % Zener tolerance and 175 °C junction rating allow reliable operation in thermally constrained OBC enclosures. | Use Scenario: Protecting cell monitor ICs from transient coupling in high-voltage battery packs (e.g., 300–400 V nominal). IC Role / Device Role / Timing Role: Zener reference and clamp element in isolated voltage sensing circuitry for cell balancing control. Use Value: Low leakage (<1 μA at VR) preserves measurement accuracy; AEC-Q101 qualification ensures long-term reliability in safety-critical BMS hardware. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ160A | TVS diode, 160 V standoff, 200 W peak power, bidirectional, higher clamping voltage (224 V @ 5 A) | Designed for fast transient suppression (8/20 μs), not precision voltage regulation | Select for higher surge immunity where ±2 % tolerance is not required |
| BZD27C160P-HE3_A08 | Same family, ±5 % tolerance (vs. ±2 %), identical package and surge rating | Lower-cost option for non-critical clamping where tighter voltage control is unnecessary | Select when cost sensitivity outweighs need for precise 160 V threshold |
Compared with SMBJ160A and BZD27C160P-HE3_A08, BZD27B160P-HE3_A08 uniquely combines AEC-Q101 qualification, ±2 % Zener tolerance, and 150 W 10/1000 μs surge capability - making it optimal for automotive-grade voltage reference and regulated clamping where precision and reliability are co-required.
Availability
BZD27B160P-HE3_A08 is available at Aetrix Electronics and suitable for automotive ECU protection, industrial DC bus monitoring, on-board charger input stages, and EV battery management systems requiring stable component supply with AEC-Q101 assurance.
Supply support for BZD27B160P-HE3_A08 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 Semiconductors is a global leader in discrete semiconductors, specializing in high-reliability diodes, MOSFETs, and optoelectronics for automotive, industrial, and computing markets.
The BZD27B Series belongs to Vishay's AEC-Q101-qualified Zener portfolio, engineered specifically for precision voltage regulation and robust transient suppression in harsh automotive environments.
FAQ
What is the Zener voltage tolerance of BZD27B160P-HE3_A08?
BZD27B160P-HE3_A08 has a Zener voltage tolerance of ±2 % at 5 mA test current, specified as 156.8 V minimum to 163.2 V maximum. This tight tolerance enables accurate voltage reference and clamping in safety-critical automotive circuits where deviation beyond ±2 % could compromise system protection integrity. The value is measured under standard conditions per Vishay Document 85921 Rev. 2.1.
Is BZD27B160P-HE3_A08 qualified for automotive applications?
Yes, BZD27B160P-HE3_A08 is AEC-Q101 qualified, confirmed by its "-HE3" suffix and documentation in Vishay's BZD27B Series datasheet (Rev. 2.1). It passes stress tests including temperature cycling, humidity, mechanical shock, and whisker resistance (JESD 201 Class 2), making it suitable for under-hood and powertrain applications. The qualification applies specifically to this part number, not just the series.
What is the maximum clamping voltage of BZD27B160P-HE3_A08 during surge events?
The maximum clamping voltage of BZD27B160P-HE3_A08 is 214 V at 5 A under the 10/1000 μs waveform, as specified in the Electrical Characteristics table on page 3 of the Vishay datasheet. This value defines the upper voltage limit the device allows during standardized surge events, ensuring downstream components remain within safe operating voltage ranges during load-dump transients.
Which package does BZD27B160P-HE3_A08 use, and is it compatible with standard footprints?
BZD27B160P-HE3_A08 uses the SMF (DO-219AB) package - a low-profile surface-mount case measuring 2.7 mm × 3.9 mm × 1.2 mm. It is explicitly stated as compatible with SOD-123W, SOD-123F, and SOD-123FL footprints, enabling drop-in replacement in existing designs using those outlines without PCB revision.
What is the temperature coefficient of BZD27B160P-HE3_A08, and why does it matter?
BZD27B160P-HE3_A08 has a temperature coefficient of +0.09 %/°C minimum to +0.13 %/°C maximum, indicating its Zener voltage increases predictably with junction temperature. This matters because it ensures stable clamping behavior across the full -65 °C to +175 °C operating range - especially critical in engine control units where thermal drift could otherwise degrade protection margins.
BZD27B160P-HE3_A08 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay
- Package/Case:
- DO-219AB
- Series:
- BZD27B, eSMP®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 130V (Max)
- Voltage - Breakdown (Min):
- 156.8V
- Voltage - Clamping (Max) @ Ipp:
- 214V
- Current - Peak Pulse (10/1000µs):
- 670mA
- Power - Peak Pulse:
- 150W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 175°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-219AB (SMF)
BZD27B160P-HE3_A08 FAQ
1.How can I place an order for BZD27B160P-HE3_A08 through Aetrix?
Please submit a Request for Quotation (RFQ) for BZD27B160P-HE3_A08 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 BZD27B160P-HE3_A08 reliable?
The price and inventory of BZD27B160P-HE3_A08 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZD27B160P-HE3_A08 is usually 5 days.
3.What payment methods are accepted for BZD27B160P-HE3_A08?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZD27B160P-HE3_A08 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZD27B160P-HE3_A08?
BZD27B160P-HE3_A08 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZD27B160P-HE3_A08 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 BZD27B160P-HE3_A08?
For technical support, including BZD27B160P-HE3_A08 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZD27B160P-HE3_A08 requirements.
6.How does Aetrix verify that BZD27B160P-HE3_A08 is sourced from the original manufacturer or authorized distributors?
All BZD27B160P-HE3_A08 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 BZD27B160P-HE3_A08 meets industry standards.
7.What is the process for return or replacement of BZD27B160P-HE3_A08?
All BZD27B160P-HE3_A08 units undergo pre-shipment inspection (PSI). If there is an issue with BZD27B160P-HE3_A08, 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 BZD27B160P-HE3_A08 part is unused and in its original packaging.
Return procedure for BZD27B160P-HE3_A08:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BZD27B160P-HE3_A08 Tags
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