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Vishay General Semiconductor - Diodes Division VMMBZ33C1HD1-G3-08
- Part No.:
- VMMBZ33C1HD1-G3-08
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- 0402 (1006 Metric)
- Datasheet:
-
VMMBZ33C1HD1-G3-08.pdf
- Description:
- 28V;IR=0.1UA;IP=1.7A;P=100W;CD=1
- Quantity:
- Payment:
- Shipping:
Inventory:8,974
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Product details
Overview
VMMBZ33C1HD1-G3-08 from Vishay Semiconductors is a single-line unidirectional ESD-protection diode in DFN1006-2A package, rated for 28 V reverse standoff voltage, 33 V breakdown (1 mA), and 49 V typical clamping at 1.7 A (8/20 μs), deployed on high-speed data lines in automotive infotainment interfaces.
For engineers reviewing the VMMBZ33C1HD1-G3-08 datasheet, VMMBZ33C1HD1-G3-08 pinout, VMMBZ33C1HD1-G3-08 application, or VMMBZ33C1HD1-G3-08 equivalent, this page delivers verified electrical specs, IEC 61000-4-2 ±15 kV contact/air ESD immunity, low 16.1 pF capacitance, and thermal performance up to +150 °C junction temperature - critical for USB 2.0, HDMI, and CAN FD signal line protection.
Technical Context
This device operates as a unidirectional transient voltage suppressor optimized for low-capacitance signal integrity. Its clamping behavior is characterized under IEC 61000-4-5 (8/20 μs) and TLP (100 ns), with dynamic resistance of 0.34 Ω enabling fast response to ESD events without signal distortion.
Designed for surface-mount integration in space-constrained automotive and industrial PCBs, it features MSL level 1 moisture sensitivity, peak reflow tolerance of 260 °C, and Sn (e3) lead plating compatible with AOI inspection - all validated per AEC-Q101 qualification requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Standoff Voltage | 28 V - maximum continuous working voltage before conduction begins; sets operating margin for 24 V automotive bus lines. |
| Breakdown Voltage (VBR) | 33 V (typ.) at 1 mA - precise threshold triggering clamping during overvoltage transients. |
| Clamping Voltage (VC) | 49 V (typ.) at 1.7 A, 8/20 μs - limits downstream IC voltage stress during IEC 61000-4-5 surges. |
| Capacitance (CD) | 16.1 pF at 0 V, 1 MHz - preserves signal integrity on high-speed interfaces like USB 2.0 (480 Mbps). |
| ESD Immunity | ±15 kV contact / ±15 kV air per IEC 61000-4-2 - meets automotive electronics immunity requirements. |
| Junction Temperature Range | –55 °C to +150 °C - supports operation in under-hood and powertrain control modules. |
| Package | DFN1006-2A (1.0 × 0.6 mm, 0.4 mm height) - enables ultra-dense routing on compact PCBs. |
Pinout & Package
DFN1006-2A package: 2-terminal surface-mount device with cathode marked by bar on top surface; footprint dimensions per Vishay S8-V-3906.04-059 (1.0 ± 0.05 mm × 0.6 ± 0.05 mm, 0.4 mm max height).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Input line connection | Connected to protected signal trace; conducts during positive transients relative to cathode. |
| Cathode | Ground reference terminal | Connected to system ground plane; defines unidirectional conduction path and clamping reference. |
Key Features
| Feature | Design Value |
|---|---|
| Low Capacitance | 16.1 pF enables use on 480 Mbps USB 2.0 and 1.65 Gbps HDMI 1.4a differential pairs without signal degradation. |
| AEC-Q101 Qualified | Validated for automotive applications including infotainment head units and ADAS sensor interfaces. |
| Ultra-Low Profile | 0.4 mm max height allows placement beneath connectors and under shields in slim form-factor modules. |
| High-Temperature Operation | +150 °C max junction temperature supports deployment near power converters and engine control units. |
| Sn (e3) Termination | Lead-free matte tin plating ensures compatibility with standard reflow profiles and automated optical inspection. |
Applications
| Automotive Infotainment | Industrial HMI Interfaces |
|---|---|
|
Use Scenario: Protecting USB 2.0 data lines between head unit and rear-seat entertainment display. IC Role / Device Role: Unidirectional ESD clamp on D+ and D− lines, placed immediately before connector. Use Value: Prevents latch-up or damage to USB transceivers during hot-plug events and static discharge in vehicle cabins. |
Use Scenario: Shielding RS-485 communication lines in factory-floor HMIs exposed to operator touch. IC Role / Device Role: Single-line transient suppressor on A/B differential pair, referenced to chassis ground. Use Value: Maintains data integrity under ±15 kV ESD while adding only 16.1 pF loading to 10 Mbps bus. |
| Automotive CAN FD Networks | Medical Diagnostic Port |
|
Use Scenario: ESD protection on CAN_H/CAN_L lines of telematics control units in 12 V/24 V systems. IC Role / Device Role: Per-line unidirectional clamp referenced to ground, sized for 28 V bus compliance. Use Value: Ensures CAN FD bit timing stability (up to 5 Mbps) by limiting clamping overshoot to 49 V (typ.). |
Use Scenario: Safeguarding UART-based diagnostic port on portable ultrasound devices handling frequent cable insertion. IC Role / Device Role: Low-capacitance ESD barrier on TX/RX lines connected to external PC via micro-USB. Use Value: Meets IEC 61000-4-2 Level 4 without degrading rise/fall times of 3.3 V logic signals. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional ESD-protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ28A-E3/57T | DO-214AC package (4.5 × 2.7 mm); 28 V VRWM; 43.5 V VC @ 10.3 A; 100 pF capacitance. | Higher clamping voltage but higher surge rating; unsuitable for >100 Mbps data lines due to capacitance. | Select when board space permits larger package and higher IEC 61000-4-5 surge robustness is prioritized over signal speed. |
| TPD2E001DRYR | 2-channel bidirectional array in DFN1006-6; 5 V VRWM; 12 V VC @ 1 A; 12 pF per channel. | Lower voltage rating and bidirectional architecture; designed for 3.3 V/5 V logic, not 24 V automotive buses. | Choose for dual-line protection in low-voltage digital interfaces where bidirectional ESD suppression is required. |
Compared with SMAJ28A-E3/57T and TPD2E001DRYR, VMMBZ33C1HD1-G3-08 uniquely balances 28 V standoff, 16.1 pF capacitance, and AEC-Q101 qualification in a 1.0 × 0.6 mm footprint - making it optimal for space-constrained, high-reliability automotive signal lines.
Availability
VMMBZ33C1HD1-G3-08 is available at Aetrix Electronics and suitable for automotive infotainment, industrial HMI, and medical diagnostic equipment requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for VMMBZ33C1HD1-G3-08 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 designs discrete semiconductors and passive components for high-reliability industrial, automotive, and computing applications, with emphasis on signal integrity and ruggedized packaging.
The VMMBZ33C1HD1-G3-08 belongs to Vishay's unidirectional ESD protection diode family targeting high-speed data lines in harsh environments - engineered specifically for automotive-grade durability and low-capacitance performance.
FAQ
What is the maximum clamping voltage of the VMMBZ33C1HD1-G3-08 under IEC 61000-4-5 surge conditions?
The VMMBZ33C1HD1-G3-08 exhibits a typical clamping voltage of 49 V at 1.7 A with an 8/20 μs waveform per IEC 61000-4-5. Its maximum specified clamping voltage is 59 V under those same test conditions, ensuring predictable voltage limiting during surge events on protected lines.
Is the VMMBZ33C1HD1-G3-08 qualified for automotive applications?
Yes, the VMMBZ33C1HD1-G3-08 is AEC-Q101 qualified, confirming its reliability for automotive use cases including infotainment, telematics, and body electronics. It operates from –55 °C to +150 °C and meets stringent humidity, thermal cycling, and mechanical shock requirements defined in the standard.
What is the capacitance value of the VMMBZ33C1HD1-G3-08 and how does it affect high-speed signal lines?
The VMMBZ33C1HD1-G3-08 has a typical capacitance of 16.1 pF at 0 V and 1 MHz. This low value minimizes signal attenuation and timing skew on high-speed interfaces such as USB 2.0 and CAN FD, preserving eye diagram integrity without requiring layout compensation.
Does the VMMBZ33C1HD1-G3-08 support both contact and air discharge ESD testing per IEC 61000-4-2?
Yes, the VMMBZ33C1HD1-G3-08 is rated for ±15 kV contact discharge and ±15 kV air discharge per IEC 61000-4-2. These values are guaranteed by design and verified during device characterization, meeting Level 4 immunity requirements for automotive and industrial end equipment.
What package type and dimensions does the VMMBZ33C1HD1-G3-08 use, and what are its assembly considerations?
The VMMBZ33C1HD1-G3-08 uses the DFN1006-2A package (1.0 × 0.6 mm, 0.4 mm max height) with Sn (e3) terminations. It is MSL level 1 and supports peak reflow temperatures up to 260 °C, enabling compatibility with standard lead-free soldering processes and automated optical inspection.
VMMBZ33C1HD1-G3-08 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- 0402 (1006 Metric)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 28V (Max)
- Voltage - Breakdown (Min):
- 31.3V
- Voltage - Clamping (Max) @ Ipp:
- 85V
- Current - Peak Pulse (10/1000µs):
- 300mA
- Power - Peak Pulse:
- 15W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 16.1pF @ 1MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DFN1006-2A
VMMBZ33C1HD1-G3-08 FAQ
1.How can I place an order for VMMBZ33C1HD1-G3-08 through Aetrix?
Please submit a Request for Quotation (RFQ) for VMMBZ33C1HD1-G3-08 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 VMMBZ33C1HD1-G3-08 reliable?
The price and inventory of VMMBZ33C1HD1-G3-08 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VMMBZ33C1HD1-G3-08 is usually 5 days.
3.What payment methods are accepted for VMMBZ33C1HD1-G3-08?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VMMBZ33C1HD1-G3-08 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for VMMBZ33C1HD1-G3-08?
VMMBZ33C1HD1-G3-08 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your VMMBZ33C1HD1-G3-08 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 VMMBZ33C1HD1-G3-08?
For technical support, including VMMBZ33C1HD1-G3-08 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VMMBZ33C1HD1-G3-08 requirements.
6.How does Aetrix verify that VMMBZ33C1HD1-G3-08 is sourced from the original manufacturer or authorized distributors?
All VMMBZ33C1HD1-G3-08 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 VMMBZ33C1HD1-G3-08 meets industry standards.
7.What is the process for return or replacement of VMMBZ33C1HD1-G3-08?
All VMMBZ33C1HD1-G3-08 units undergo pre-shipment inspection (PSI). If there is an issue with VMMBZ33C1HD1-G3-08, 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 VMMBZ33C1HD1-G3-08 part is unused and in its original packaging.
Return procedure for VMMBZ33C1HD1-G3-08:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
VMMBZ33C1HD1-G3-08 Tags
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