Vishay BZD27B62P-HE3_A08
- Part No.:
- BZD27B62P-HE3_A08
- Manufacturer:
- Vishay
- Category:
- TVS Diodes
- Package:
- DO-219AB
- Datasheet:
-
BZD27B62P-HE3_A08.pdf
- Description:
- ZENER DIODE SMF DO219AB
- Quantity:
- Payment:

- Shipping:

Inventory:3,003
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Product details
Overview
BZD27B62P-HE3_A08 from Vishay Semiconductors is a 62 V, ±2 % tolerance AEC-Q101-qualified Zener diode in DO-219AB (SMF) package, rated for 150 W non-repetitive peak surge power and 82.9 V clamping voltage at 5 A, used for overvoltage protection in automotive power rails and industrial DC supplies.
For engineers reviewing the BZD27B62P-HE3_A08 datasheet, BZD27B62P-HE3_A08 pinout, BZD27B62P-HE3_A08 application, or BZD27B62P-HE3_A08 equivalent, this page delivers verified Zener voltage, surge rating, clamping performance, thermal resistance, and AEC-Q101 qualification status - all critical for transient suppression design in harsh-environment electronics.
Technical Context
This unidirectional Zener diode operates as a precision voltage reference and transient voltage suppressor, with a nominal Zener voltage of 62 V at 10 mA test current and temperature coefficient of +0.08 to +0.13 %/°C. Its low dynamic resistance (25 Ω typ.) ensures stable regulation under varying load conditions.
Designed for high-surge environments, it delivers 150 W peak surge power per IEC 61000-4-5 (10/1000 μs), with clamping voltage of 82.9 V at 5 A IRSM and junction-to-lead thermal resistance of 30 K/W - enabling robust thermal management in compact SMT layouts.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage | 62 V nominal, 60.76–63.24 V range at 10 mA - enables precise 62 V rail clamping with ±2 % tolerance |
| Clamping Voltage | 82.9 V at 5 A IRSM (10/1000 μs) - defines maximum voltage seen by protected circuit during surge |
| Peak Surge Power | 150 W (10/1000 μs) - supports IEC 61000-4-5 Level 4 immunity testing |
| Junction-to-Lead RthJL | 30 K/W - allows direct thermal path to PCB copper for high-power pulse dissipation |
| Operating Temp Range | −65 °C to +175 °C - qualified for under-hood automotive and industrial ambient extremes |
| AEC-Q101 Qualified | Yes - validated for automotive electronic modules requiring reliability beyond commercial grade |
| Package | DO-219AB (SMF), 2.7 × 3.5 × 0.8 mm - low-profile SMT footprint compatible with automated assembly |
Pinout & Package
DO-219AB (SMF) surface-mount package: 2-terminal unidirectional device with cathode marked by band on top surface; dimensions 2.7 mm × 3.5 mm × 0.8 mm; MSL level 1, reflow-compatible up to 260 °C peak.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal during forward bias | Connected to lower-potential node; forward voltage ≤1.2 V at 0.2 A |
| Cathode | Zener breakdown terminal during reverse bias | Marked with band; referenced to system ground or return path for clamping |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD (>8 kV HBM) |
| 150 W surge rating | Withstands 10/1000 μs transients without degradation - meets ISO 7637-2 Pulse 5a requirements |
| ±2 % Zener tolerance | Ensures tight voltage margin control in safety-critical overvoltage detection circuits |
| Low dynamic resistance | 25 Ω typical at 10 mA - minimizes voltage deviation across operating current range |
| MSL Level 1 | Unlimited floor life before reflow - eliminates bake requirements in production |
Applications
| Automotive Power Rail Protection | Industrial DC Input Stage |
|---|---|
Use Scenario: Protecting MCU power supply inputs against load-dump transients in 12 V/24 V vehicle systems. IC Role / Device Role / Timing Role: Unidirectional Zener clamp placed between battery rail and LDO input. Use Value: Limits voltage to ≤82.9 V during 10/1000 μs surges, preventing LDO destruction while maintaining AEC-Q101 compliance. | Use Scenario: Safeguarding PLC analog input modules from field-wiring induced surges. IC Role / Device Role / Timing Role: Primary transient suppressor at signal conditioning front-end, upstream of TVS array. Use Value: Absorbs 150 W peak energy without derating, enabling single-device protection for 24 V industrial bus interfaces. |
| Telecom DC Power Interface | Renewable Energy Charge Controller |
Use Scenario: Guarding PoE-powered equipment against Ethernet cable-induced surges. IC Role / Device Role / Timing Role: Secondary clamping element after primary gas discharge tube, refining voltage limit. Use Value: Tight 62 V Zener window and 82.9 V clamping enable precise coordination with upstream protectors in multi-stage architectures. | Use Scenario: Protecting solar charge controller MOSFET gate drivers from PV string voltage spikes. IC Role / Device Role / Timing Role: Zener reference and overvoltage limiter for gate drive supply rail. Use Value: Stable 62 V regulation with +0.08 %/°C TC ensures consistent gate protection across −40 °C to +125 °C operating range. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ64A | 64 V standoff, 100 W peak power, higher clamping (103 V @ 5 A), DO-214AA package | Lower surge rating; suited for less severe transients where space permits larger package | Select when cost sensitivity outweighs need for 150 W surge or AEC-Q101 qualification |
| P6SMB62A | 62 V standoff, 600 W peak power, but 100 V clamping @ 5 A, DO-214AA, no AEC-Q101 | Higher clamping voltage reduces protected circuit margin; larger footprint increases board area | Choose only if higher peak power is required and clamping voltage tolerance is relaxed |
Compared with SMBJ64A and P6SMB62A, BZD27B62P-HE3_A08 offers superior surge capability (150 W vs. 100 W/600 W), tighter clamping (82.9 V), AEC-Q101 qualification, and smaller DO-219AB footprint - making it optimal for space-constrained automotive and industrial designs demanding precise, reliable overvoltage suppression.
Availability
BZD27B62P-HE3_A08 is available at Aetrix Electronics and suitable for automotive power management, industrial DC input protection, and telecom interface surge suppression requiring stable component supply and long-term lifecycle support.
Supply support for BZD27B62P-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 robust overvoltage protection in harsh-environment electronics where precision, surge resilience, and long-term stability are mandatory.
FAQ
What is the Zener voltage tolerance of BZD27B62P-HE3_A08?
The BZD27B62P-HE3_A08 has a Zener voltage tolerance of ±2 %, with a specified range of 60.76 V to 63.24 V at 10 mA test current. This tight tolerance ensures predictable clamping behavior in precision voltage reference and overvoltage protection circuits. The BZD27B62P-HE3_A08 maintains this specification across its full operating temperature range of −65 °C to +175 °C.
Is BZD27B62P-HE3_A08 qualified for automotive applications?
Yes, BZD27B62P-HE3_A08 is AEC-Q101 qualified, meaning it has passed stress tests including temperature cycling, high-temperature reverse bias, and ESD (≥8 kV HBM). This qualification confirms its suitability for automotive electronic control units, body electronics, and powertrain subsystems where reliability under thermal and electrical stress is critical. The BZD27B62P-HE3_A08 is explicitly designated with "-HE3" suffix for AEC-Q101 compliance.
What is the clamping voltage of BZD27B62P-HE3_A08 under surge conditions?
The BZD27B62P-HE3_A08 exhibits a clamping voltage of 82.9 V at 5 A peak reverse surge current (IRSM) using the 10/1000 μs waveform. This value defines the maximum voltage imposed on downstream circuitry during transient events and is measured under standardized IEC 61000-4-5 test conditions. The BZD27B62P-HE3_A08 achieves this performance while maintaining low dynamic resistance (25 Ω typ.) for stable regulation.
Which package does BZD27B62P-HE3_A08 use, and what are its key mechanical features?
BZD27B62P-HE3_A08 uses the DO-219AB (SMF) package: a low-profile surface-mount case measuring 2.7 mm × 3.5 mm × 0.8 mm with cathode identification via molded band. It complies with MSL Level 1 per J-STD-020 and supports lead-free reflow up to 260 °C peak. The BZD27B62P-HE3_A08's compact size and thermal performance (RthJL = 30 K/W) make it ideal for dense PCB layouts in automotive and industrial modules.
How does BZD27B62P-HE3_A08 compare to standard commercial Zener diodes in surge handling?
BZD27B62P-HE3_A08 delivers 150 W non-repetitive peak surge power (10/1000 μs), significantly exceeding typical commercial Zeners rated for ≤1 W continuous or ≤40 W surge. Its optimized silicon planar structure and DO-219AB thermal path enable safe absorption of high-energy transients without parametric shift. Unlike generic Zeners, the BZD27B62P-HE3_A08 is characterized and qualified for surge performance - a key differentiator confirmed in its official Vishay datasheet (Doc. #85921).
BZD27B62P-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):
- 51V (Max)
- Voltage - Breakdown (Min):
- 60.76V
- Voltage - Clamping (Max) @ Ipp:
- 82.9V
- Current - Peak Pulse (10/1000µs):
- 1.7A
- 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)
BZD27B62P-HE3_A08 FAQ
1.How can I place an order for BZD27B62P-HE3_A08 through Aetrix?
Please submit a Request for Quotation (RFQ) for BZD27B62P-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 BZD27B62P-HE3_A08 reliable?
The price and inventory of BZD27B62P-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 BZD27B62P-HE3_A08 is usually 5 days.
3.What payment methods are accepted for BZD27B62P-HE3_A08?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZD27B62P-HE3_A08 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZD27B62P-HE3_A08?
BZD27B62P-HE3_A08 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZD27B62P-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 BZD27B62P-HE3_A08?
For technical support, including BZD27B62P-HE3_A08 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZD27B62P-HE3_A08 requirements.
6.How does Aetrix verify that BZD27B62P-HE3_A08 is sourced from the original manufacturer or authorized distributors?
All BZD27B62P-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 BZD27B62P-HE3_A08 meets industry standards.
7.What is the process for return or replacement of BZD27B62P-HE3_A08?
All BZD27B62P-HE3_A08 units undergo pre-shipment inspection (PSI). If there is an issue with BZD27B62P-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 BZD27B62P-HE3_A08 part is unused and in its original packaging.
Return procedure for BZD27B62P-HE3_A08:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BZD27B62P-HE3_A08 Tags

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