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Vishay General Semiconductor - Diodes Division SMBG5.0CHE3/5B
- Part No.:
- SMBG5.0CHE3/5B
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AA, SMB Gull Wing
- Datasheet:
-
SMBG5.0CHE3/5B.pdf
- Description:
- TVS DIODE 5VWM 9.6VC DO215AA
- Quantity:
- Payment:
- Shipping:
Inventory:9,333
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Product details
Overview
SMBG5.0CHE3/5B from Vishay General Semiconductor is a bi-directional transient voltage suppressor (TVS) diode in DO-215AA (SMBG) package, designed for clamping voltage transients on signal or power lines. It features 5.0 V stand-off voltage (VWM), 6.4–7.07 V breakdown voltage (VBR) at 10 mA, 600 W peak pulse power (10/1000 µs), 9.2 V clamping voltage (VC) at 65.2 A IPPM, and AEC-Q101 qualification for automotive electronics protection.
For engineers reviewing the SMBG5.0CHE3/5B datasheet, SMBG5.0CHE3/5B pinout, SMBG5.0CHE3/5B application, or SMBG5.0CHE3/5B equivalent, key selection criteria include bi-directional clamping capability, low clamping ratio (VC/VBR ≈ 1.37), MSL Level 1 moisture sensitivity, RoHS-compliant matte tin terminals, and compatibility with automated SMT placement on 5.0 mm × 5.0 mm copper pads.
Technical Context
This device operates as a bi-directional avalanche diode, leveraging glass-passivated junction technology to achieve sub-nanosecond response time and low incremental surge resistance. Its symmetrical VBR min/max (6.4 V / 7.07 V) and identical forward/reverse clamping behavior ensure consistent protection against both polarities of transient energy.
The SMBG5.0CHE3/5B is rated for 150 °C maximum junction temperature and exhibits 100 °C/W junction-to-ambient thermal resistance when mounted per recommended pad layout. It meets UL 497B recognition (QVGQ2) and JESD201 Class 2 whisker resistance due to HE3 suffix construction.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 5.0 V - Maximum continuous reverse working voltage before clamping begins; defines safe operating margin for 5 V logic/sensor interfaces. |
| VBR (min/max) | 6.4 V / 7.07 V at 10 mA - Tight breakdown tolerance ensures predictable turn-on across production lots and temperature range. |
| VC @ IPPM | 9.2 V at 65.2 A - Clamping voltage during 600 W 10/1000 µs surge; limits downstream IC stress to <2× nominal rail. |
| PPPM | 600 W - Peak pulse power handling per single transient event; supports IEC 61000-4-5 Level 4 surge immunity testing. |
| TJ max | +150 °C - Enables use in under-hood automotive environments and high-temperature industrial enclosures without derating. |
| MSL Level | Level 1 (260 °C peak reflow) - Allows standard lead-free reflow profiles without baking or special handling. |
| AEC-Q101 | Qualified - Validated for automotive-grade reliability including HTOL, TC, UHAST, and ESD HBM ≥ 8 kV. |
Pinout & Package
DO-215AA (SMBG) surface-mount package: gull-wing leads, 0.235–0.255 inch (5.97–6.48 mm) body length, 0.130–0.155 inch (3.30–3.94 mm) body width, 0.077–0.083 inch (1.96–2.10 mm) height, cathode band omitted (bi-directional type).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Bi-directional avalanche junction | No polarity marking required; interchangeable terminals enable simplified PCB layout and bidirectional surge suppression. |
| Lead 1 / Lead 2 | Matte tin-plated terminations | Solderable per J-STD-002/JESD22-B102; compliant with JESD201 Class 2 whisker resistance for long-term interconnect reliability. |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 µs) | Enables robust protection against IEC 61000-4-5 combination wave surges up to 4 kV (line-earth) without degradation. |
| Low clamping ratio (VC/VBR ≈ 1.37) | Minimizes overvoltage stress on protected ICs-critical for 5 V microcontrollers and CAN transceivers with 36 V abs max ratings. |
| AEC-Q101 qualification | Validates lifetime reliability under automotive thermal cycling, humidity, and vibration stresses-no additional qualification needed for Tier 1 designs. |
| Glass passivated junction | Ensures stable leakage current (<800 µA at VWM) and repeatable breakdown after repeated surge events. |
| UL 497B recognized (QVGQ2) | Meets safety agency requirements for telecom and industrial signal line protectors without need for system-level re-certification. |
Applications
| Automotive Sensor Protection | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Protecting LIN bus and analog sensor inputs (e.g., pressure, temperature) in engine control modules from load dump and inductive switching transients. IC Role / Device Role / Timing Role: Bi-directional clamping element placed at connector interface to shunt surge energy before reaching MCU ADC or LIN transceiver. Use Value: Maintains signal integrity below 9.2 V during 65.2 A transients, preventing latch-up or damage to 5 V tolerant sensor front-ends. |
Use Scenario: Safeguarding 24 V digital input channels in programmable logic controllers exposed to relay coil flyback and field wiring ESD. IC Role / Device Role / Timing Role: Primary transient suppressor on DIN-rail mounted I/O terminal blocks, operating in parallel with upstream fuses. Use Value: Limits voltage excursion to ≤9.2 V during 600 W surges, enabling use of cost-effective 12 V logic-level optocouplers instead of higher-voltage isolators. |
| Consumer USB Port Protection | Telecom Line Interface Protection |
Use Scenario: Shielding USB 2.0 D+/D− lines in set-top boxes and smart displays from ESD events and cable-induced transients. IC Role / Device Role / Timing Role: Low-capacitance TVS (CJ ≈ 1000 pF at 0 V) placed adjacent to USB connector to clamp ±15 kV contact ESD per IEC 61000-4-2. Use Value: Prevents data corruption and port lockup by clamping transients within 1 ns while maintaining signal rise/fall times for 480 Mbps operation. |
Use Scenario: Protecting RS-485/RS-232 transceivers in base station backhaul equipment from lightning-induced surges on outdoor cabling. IC Role / Device Role / Timing Role: First-stage protector on differential pair inputs, coordinated with gas discharge tube (GDT) for multi-stage surge handling. Use Value: Absorbs initial 600 W surge energy before GDT fires, reducing let-through voltage to transceiver ICs rated for ≤16 V abs max. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ5.0CA | Same VWM (5.0 V), VBR (6.4–7.07 V), VC (9.2 V), but lower PPPM (400 W); non-AEC-Q101; MSL Level 1 same. | Limited to commercial/industrial use; insufficient for automotive Grade 3 surge immunity (IEC 61000-4-5 4 kV) where 600 W margin is required. | Select SMBG5.0CHE3/5B when AEC-Q101 compliance or 600 W surge headroom is mandatory. |
| SMCJ5.0CA | Same VWM/VBR/VC specs but in larger DO-214AB (SMC) package; 1500 W PPPM; higher thermal mass; 2× footprint area. | Used where board space allows and higher single-pulse energy absorption (>100 mJ) is needed-e.g., DC power input rails. | Choose SMBG5.0CHE3/5B for space-constrained 5 V signal lines; choose SMCJ5.0CA only if >600 W rating is essential and layout permits larger package. |
Compared with SMBJ5.0CA and SMCJ5.0CA, SMBG5.0CHE3/5B uniquely delivers AEC-Q101 qualification and 600 W surge capability in the smallest standardized bi-directional TVS footprint (DO-215AA), making it optimal for automotive sensor nodes and dense industrial PCBs where reliability and size are co-constrained.
Availability
SMBG5.0CHE3/5B is available at Aetrix Electronics and suitable for automotive sensor protection, industrial PLC I/O hardening, and consumer USB interface safeguarding requiring stable component supply across extended product lifecycles.
Supply support for SMBG5.0CHE3/5B 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, efficiency, and application-specific optimization.
The SMBG series was engineered specifically for high-reliability bi-directional transient suppression in automotive and industrial environments, balancing compact size, AEC-Q101 compliance, and robust 600 W surge handling.
FAQ
What is the meaning of the 'HE3' and '5B' suffixes in SMBG5.0CHE3/5B?
The 'HE3' suffix indicates RoHS-compliant construction with AEC-Q101 qualification and JESD201 Class 2 whisker resistance; '5B' denotes packaging in 13-inch diameter plastic tape and reel with 3200 units per reel. This distinguishes SMBG5.0CHE3/5B from commercial-grade 'E3/5B' variants lacking automotive qualification. The SMBG5.0CHE3/5B meets stringent automotive reliability standards while supporting high-volume SMT assembly.
Does SMBG5.0CHE3/5B have polarity markings, and how is it installed on PCB?
No-SMBG5.0CHE3/5B is a bi-directional TVS diode with symmetrical electrical characteristics in both directions, so no cathode band or polarity marking is present on the DO-215AA package. Installation requires no orientation check; either terminal may connect to the protected line or ground. This simplifies pick-and-place programming and eliminates risk of reverse installation errors during automated assembly of the SMBG5.0CHE3/5B.
How does SMBG5.0CHE3/5B perform under repeated surge conditions?
SMBG5.0CHE3/5B maintains stable clamping voltage and leakage current after repeated 10/1000 µs surges at 0.01% duty cycle, validated per AEC-Q101 stress tests. Its glass-passivated junction prevents parameter drift, ensuring VC remains ≤9.2 V and ID stays <800 µA even after 1000+ surge events. This repeatability makes SMBG5.0CHE3/5B suitable for mission-critical automotive and industrial systems where transient exposure is frequent.
Can SMBG5.0CHE3/5B be used in place of a unidirectional TVS like SMBG5.0A?
No-SMBG5.0CHE3/5B is strictly bi-directional and lacks a defined anode/cathode; it cannot replace unidirectional SMBG5.0A in DC-biased circuits requiring forward conduction or polarity-sensitive clamping. Attempting substitution risks improper clamping during positive transients. Always verify circuit topology: SMBG5.0CHE3/5B applies only to AC-coupled or floating signal lines (e.g., CAN, USB, RS-485), not DC power rails where SMBG5.0A would be specified.
What is the thermal performance of SMBG5.0CHE3/5B during sustained surge events?
SMBG5.0CHE3/5B has a typical RθJA of 100 °C/W when mounted on 0.2" × 0.2" copper pads per terminal. During a single 10/1000 µs 600 W surge, junction temperature rise is <10 °C-well within the 150 °C TJ max limit. However, repetitive surges above 0.01% duty cycle require derating per Fig. 2 in the Vishay datasheet to avoid thermal runaway. For SMBG5.0CHE3/5B, this means limiting average power to <0.6 W in continuous operation.
SMBG5.0CHE3/5B Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-215AA, SMB Gull Wing
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 5V
- Voltage - Breakdown (Min):
- 6.4V
- Voltage - Clamping (Max) @ Ipp:
- 9.6V
- Current - Peak Pulse (10/1000µs):
- 62.5A
- 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 (SMBG)
SMBG5.0CHE3/5B FAQ
1.How can I place an order for SMBG5.0CHE3/5B through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBG5.0CHE3/5B 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 SMBG5.0CHE3/5B reliable?
The price and inventory of SMBG5.0CHE3/5B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBG5.0CHE3/5B is usually 5 days.
3.What payment methods are accepted for SMBG5.0CHE3/5B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBG5.0CHE3/5B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBG5.0CHE3/5B?
SMBG5.0CHE3/5B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBG5.0CHE3/5B 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 SMBG5.0CHE3/5B?
For technical support, including SMBG5.0CHE3/5B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBG5.0CHE3/5B requirements.
6.How does Aetrix verify that SMBG5.0CHE3/5B is sourced from the original manufacturer or authorized distributors?
All SMBG5.0CHE3/5B 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 SMBG5.0CHE3/5B meets industry standards.
7.What is the process for return or replacement of SMBG5.0CHE3/5B?
All SMBG5.0CHE3/5B units undergo pre-shipment inspection (PSI). If there is an issue with SMBG5.0CHE3/5B, 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 SMBG5.0CHE3/5B part is unused and in its original packaging.
Return procedure for SMBG5.0CHE3/5B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBG5.0CHE3/5B Tags
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