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Vishay General Semiconductor - Diodes Division SMBJ160AHE3_A/I
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- Part No.:
- SMBJ160AHE3_A/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMBJ160AHE3_A/I.pdf
- Description:
- TVS DIODE 160VWM 259VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:4,013
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Product details
Overview
SMBJ160AHE3_A/I from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMB (DO-214AA) package, designed for robust overvoltage protection of DC power rails and signal lines. It features a 160 V stand-off voltage (VWM), 178–197 V breakdown voltage (VBR) at 1 mA, 259 V maximum clamping voltage (VC) at 2.3 A peak pulse current (IPPM), and 600 W peak pulse power rating with 10/1000 µs waveform - deployed in industrial motor drives, telecom power supplies, and automotive ECUs.
For engineers reviewing the SMBJ160AHE3_A/I datasheet, SMBJ160AHE3_A/I pinout, SMBJ160AHE3_A/I application, or SMBJ160AHE3_A/I equivalent, this page delivers verified electrical specs, AEC-Q101 qualification status, thermal resistance (RθJA = 100 °C/W), clamping performance under surge, and real-world use context for ESD and lightning-induced transient suppression.
Technical Context
This TVS diode operates as a unidirectional avalanche clamp, triggered when reverse voltage exceeds its VBR range (178–197 V). Its low incremental surge resistance ensures stable clamping during fast transients, while the glass-passivated junction enables repeatable surge handling up to 600 W (10/1000 µs).
Designed for surface-mount assembly on PCBs with 0.2" × 0.2" copper pads per terminal, it meets MSL Level 1 per J-STD-020 and supports lead-free reflow up to 260 °C peak. The cathode band marking identifies polarity, and its 150 °C max junction temperature supports operation in high-ambient environments like engine compartments and industrial enclosures.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off) | 160 V - Maximum continuous reverse operating voltage before conduction begins; defines safe DC rail margin. |
| VBR (Breakdown) | 178–197 V at 1 mA - Confirmed avalanche initiation range; ensures reliable triggering above system nominal voltage. |
| VC (Clamping) | 259 V at IPPM = 2.3 A - Measured peak voltage across device during 10/1000 µs surge; determines protected circuit's maximum stress level. |
| PPPM | 600 W - Peak pulse power handling with standard 10/1000 µs waveform; validates suitability for IEC 61000-4-5 Level 4 surges. |
| ID (Leakage) | 1.0 µA max at VWM - Ultra-low reverse leakage preserves efficiency in high-impedance bias networks and battery-powered systems. |
| TJ max | 150 °C - Maximum junction temperature; enables deployment in under-hood automotive and industrial power converter applications. |
| RθJA | 100 °C/W - Thermal resistance junction-to-ambient on standard pad layout; informs heatsinking requirements for sustained surge duty cycles. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, matte tin-plated leads, RoHS-compliant and AEC-Q101 qualified (HE3 suffix). Cathode identified by molded band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side reference node | Connected to ground or low-voltage return path; completes clamping loop during transient events. |
| Cathode | Protected line input | Connected to the line being protected (e.g., 160 V DC bus); conducts avalanche current to anode during overvoltage. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and surge endurance - required for ECU and ADAS power rail protection. |
| 600 W peak pulse power | Withstands IEC 61000-4-5 combination wave surges (e.g., 2 Ω source impedance, 40 A) without degradation when mounted per recommended pad layout. |
| Low clamping ratio (VC/VBR ≈ 1.45) | Minimizes voltage overshoot during clamping - critical for safeguarding MOSFETs and gate drivers rated ≤ 200 V. |
| MSL Level 1 moisture sensitivity | Enables standard SMT reflow without baking; reduces manufacturing cost and avoids moisture-induced popcorn failure. |
| Glass-passivated junction | Ensures stable VBR over lifetime and temperature; eliminates parameter drift seen in epoxy-passivated alternatives under repeated surge stress. |
Applications
| Industrial Motor Drives | Telecom Power Supplies |
|---|---|
Use Scenario: Protection of 160 V DC link in servo drive inverters against switching transients and regenerative energy spikes. IC Role / Device Role / Timing Role: Unidirectional TVS clamp placed across DC bus terminals to limit voltage excursions during IGBT turn-off. Use Value: Prevents overvoltage damage to 200 V-rated IGBTs and gate drivers by clamping to ≤259 V during 600 W surges. |
Use Scenario: Input-stage surge suppression in 48 V–160 V telecom rectifier modules exposed to lightning-induced surges on AC mains input. IC Role / Device Role / Timing Role: Primary-level TVS connected between rectified DC output and chassis ground to shunt common-mode transients. Use Value: Maintains system uptime by absorbing 10/1000 µs surges up to 2.3 A without degradation, per IEC 61000-4-5 Level 4. |
| Automotive Engine Control Units | Renewable Energy Inverters |
Use Scenario: Protection of 12 V–160 V auxiliary power rails in engine control units subjected to load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Unidirectional TVS installed on battery-supplied 160 V sensor supply rail to suppress load-dump transients. Use Value: AEC-Q101 qualification ensures survival through 1000+ load-dump cycles; clamps to 259 V within nanoseconds. |
Use Scenario: DC-link overvoltage protection in solar microinverters where PV string voltages reach 160 V under STC conditions. IC Role / Device Role / Timing Role: Standoff-rated TVS placed across DC-link capacitor to prevent overvoltage during rapid MPPT transitions or grid faults. Use Value: 160 V VWM provides 10 % margin above nominal string voltage; 259 V VC prevents crowbar triggering of downstream protection. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ160AHM3_A/I | Halogen-free variant with identical electrical specs and AEC-Q101 qualification; same SMB package and pinout. | No functional difference; selected when halogen-free compliance is mandated by OEM or regional environmental regulations. | Direct material substitution where RoHS + halogen-free requirements apply; no design or layout change needed. |
| SMCJ160AHE3_A/I | Same VWM/VBR/VC ratings but in larger SMC (DO-214AB) package; higher RθJA (50 °C/W) and 1500 W PPPM rating. | Better suited for higher-energy surge environments (e.g., outdoor telecom cabinets) where PCB space allows larger footprint. | Choose when surge energy exceeds 600 W capability or when thermal budget requires lower junction temperature rise. |
Compared with SMBJ160AHE3_A/I, the HM3 variant offers identical protection performance with halogen-free construction, while the SMCJ160AHE3_A/I delivers 2.5× higher pulse power in a larger package - enabling selection based on environmental compliance or surge energy headroom, not functional equivalence.
Availability
SMBJ160AHE3_A/I is available at Aetrix Electronics and suitable for industrial motor drives, telecom power supplies, and automotive engine control units requiring stable component supply with AEC-Q101 assurance and long-term lifecycle support.
Supply support for SMBJ160AHE3_A/I 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, power handling, and automotive qualification.
The SMBJ series was engineered for high-reliability transient suppression in space-constrained, high-surge environments - targeting automotive, industrial, and telecom applications demanding AEC-Q101 validation and consistent clamping performance.
FAQ
What is the clamping voltage of SMBJ160AHE3_A/I at its rated peak pulse current?
The SMBJ160AHE3_A/I has a maximum clamping voltage (VC) of 259 V at its specified peak pulse current (IPPM) of 2.3 A, measured using the standardized 10/1000 µs waveform. This value defines the upper voltage limit imposed on the protected circuit during surge events and is confirmed in Vishay's datasheet revision 09-Jan-2024, page 2. The SMBJ160AHE3_A/I maintains this clamping performance across its full operating temperature range.
Is SMBJ160AHE3_A/I qualified for automotive applications?
Yes, SMBJ160AHE3_A/I is AEC-Q101 qualified, as indicated by the "HE3" suffix and confirmed in the ordering information table (page 3) and thermal characteristics note (page 3) of the Vishay datasheet. This qualification covers stress tests including temperature cycling, high-temperature reverse bias, and surge endurance - making SMBJ160AHE3_A/I suitable for engine control units, body electronics, and ADAS power rails.
What is the standoff voltage rating for SMBJ160AHE3_A/I, and how does it relate to system design?
The standoff voltage (VWM) of SMBJ160AHE3_A/I is 160 V - the maximum continuous reverse voltage it can block without significant leakage. In system design, this value must exceed the nominal DC rail voltage by ≥10 % to avoid false triggering; for example, it is appropriate for 144 V nominal bus systems. The SMBJ160AHE3_A/I's 1.0 µA max ID at VWM ensures minimal power loss in high-impedance monitoring circuits.
Does SMBJ160AHE3_A/I have a bidirectional version, and how does it differ?
No - SMBJ160AHE3_A/I is strictly unidirectional, as denoted by the "A" suffix. Bidirectional variants use the "CA" suffix (e.g., SMBJ160CA), which feature symmetrical clamping in both directions and no polarity marking. The SMBJ160AHE3_A/I includes a cathode band for orientation and is intended for DC rail protection where polarity is fixed; substituting a bidirectional part would require circuit redesign to accommodate dual-direction conduction.
What package type and mounting specifications apply to SMBJ160AHE3_A/I?
SMBJ160AHE3_A/I uses the SMB (DO-214AA) surface-mount package with matte tin-plated leads, compliant with J-STD-002 and JESD 22-B102 solderability standards. Its recommended mounting pad layout is 0.2" × 0.2" (5.0 mm × 5.0 mm) copper per terminal, and it meets MSL Level 1 per J-STD-020 with a 260 °C peak reflow profile. The SMBJ160AHE3_A/I's compact footprint supports high-density PCB layouts in space-constrained applications.
SMBJ160AHE3_A/I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 160V
- Voltage - Breakdown (Min):
- 178V
- Voltage - Clamping (Max) @ Ipp:
- 259V
- Current - Peak Pulse (10/1000µs):
- 2.3A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMBJ)
SMBJ160AHE3_A/I FAQ
1.How can I place an order for SMBJ160AHE3_A/I through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBJ160AHE3_A/I 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 SMBJ160AHE3_A/I reliable?
The price and inventory of SMBJ160AHE3_A/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBJ160AHE3_A/I is usually 5 days.
3.What payment methods are accepted for SMBJ160AHE3_A/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBJ160AHE3_A/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBJ160AHE3_A/I?
SMBJ160AHE3_A/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBJ160AHE3_A/I 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 SMBJ160AHE3_A/I?
For technical support, including SMBJ160AHE3_A/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBJ160AHE3_A/I requirements.
6.How does Aetrix verify that SMBJ160AHE3_A/I is sourced from the original manufacturer or authorized distributors?
All SMBJ160AHE3_A/I 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 SMBJ160AHE3_A/I meets industry standards.
7.What is the process for return or replacement of SMBJ160AHE3_A/I?
All SMBJ160AHE3_A/I units undergo pre-shipment inspection (PSI). If there is an issue with SMBJ160AHE3_A/I, 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 SMBJ160AHE3_A/I part is unused and in its original packaging.
Return procedure for SMBJ160AHE3_A/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBJ160AHE3_A/I Tags
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