My Inquiry
My Account
Vishay General Semiconductor - Diodes Division SMBG22CAHE3/52
- Part No.:
- SMBG22CAHE3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AA, SMB Gull Wing
- Datasheet:
-
SMBG22CAHE3/52.pdf
- Description:
- TVS DIODE 22VWM 35.5VC DO215AA
- Quantity:
- Payment:
- Shipping:
Inventory:8,816
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SMBG22CAHE3/52 from Vishay General Semiconductor is a bidirectional transient voltage suppressor (TVS) diode in SMBG (DO-215AA) package, designed for robust overvoltage protection of signal and power lines. It features a 22 V stand-off voltage (VWM), 24.4–26.9 V breakdown voltage (VBR) at 1 mA, 600 W peak pulse power (10/1000 µs), clamping voltage of 35.5 V at 16.9 A, and AEC-Q101 qualification for automotive use.
For engineers reviewing the SMBG22CAHE3/52 datasheet, SMBG22CAHE3/52 pinout, SMBG22CAHE3/52 application, or SMBG22CAHE3/52 equivalent, key selection criteria include bidirectional clamping capability, low clamping ratio (VC/VBR ≈ 1.4), junction temperature range (–55 °C to +150 °C), RoHS-compliant HE3 suffix with AEC-Q101 qualification, and compatibility with automated SMT placement on standard 5.0 mm × 5.0 mm copper pads.
Technical Context
This TVS diode operates symmetrically in both directions due to its bidirectional construction, enabling suppression of positive and negative transients without polarity sensitivity. Its glass-passivated junction ensures stable breakdown characteristics and low leakage (<1.0 µA at VWM), while the low incremental surge resistance supports effective energy diversion during ESD or lightning-induced surges.
The device meets J-STD-020 MSL Level 1 (peak reflow ≤260 °C) and delivers 600 W peak pulse power under standardized 10/1000 µs waveform conditions. Thermal resistance is rated at RθJA = 100 °C/W (on 5.0 mm × 5.0 mm pads), supporting reliable operation in high-temperature automotive and industrial environments up to TJ = 150 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 22 V - Maximum continuous reverse operating voltage before clamping begins |
| VBR (min/max) | 24.4 V / 26.9 V at 1 mA - Ensures predictable, repeatable breakdown onset across production lots |
| VC @ IPPM | 35.5 V at 16.9 A - Limits downstream voltage stress during 600 W transient events |
| PPPM | 600 W (10/1000 µs) - Withstands automotive load-dump and ISO 7637-2 pulse 1/2/5a/b surges |
| ID @ VWM | ≤1.0 µA - Minimizes standby power loss and avoids false triggering in high-impedance circuits |
| TJ Range | –55 °C to +150 °C - Validated for under-hood automotive and industrial control cabinet deployment |
| Qualification | AEC-Q101 qualified - Certified for automotive electronic modules per stress test requirements |
Pinout & Package
Package: SMBG (DO-215AA), surface-mount, low-profile gull-wing leadframe with matte tin-plated terminals solderable per J-STD-002 and JESD 22-B102. No polarity marking - symmetrical bidirectional construction.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Transient current path | Both terminals function identically; no cathode band - enables layout flexibility and eliminates orientation errors during placement |
| Leads (gull-wing) | Thermal and electrical interface | Designed for 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads to achieve specified RθJA = 100 °C/W and 600 W pulse rating |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or floating signal lines (e.g., CAN, LIN, sensor bridges) without external polarity management |
| 600 W peak pulse power | Meets ISO 7637-2 Pulse 5a (50 V, 100 ms) and IEC 61000-4-5 Combination Wave (1.2/50 µs + 8/20 µs) surge immunity requirements |
| AEC-Q101 qualification | Validated for automotive applications including engine control units, body electronics, and ADAS sensors requiring long-term reliability under thermal cycling and vibration |
| MSL Level 1 | Supports standard SMT reflow profiles up to 260 °C peak without moisture-induced failure, eliminating bake-out pre-assembly |
| Glass passivated junction | Provides stable VBR tolerance (±5 %), low leakage drift over time, and resistance to humidity-induced parameter shift |
Applications
| Automotive CAN Bus Protection | Industrial Sensor Signal Line Protection |
|---|---|
Use Scenario: Protecting high-speed CAN FD transceivers (e.g., TCAN1042) against ESD and load-dump transients in vehicle networks. IC Role / Device Role / Timing Role: Bidirectional TVS placed across CANH–CANL differential pair to clamp common-mode surges while preserving signal integrity. Use Value: Clamps to 35.5 V within nanoseconds, preventing transceiver latch-up or damage during ISO 10605 ±30 kV ESD events and battery reverse-connection pulses. | Use Scenario: Safeguarding analog output (4–20 mA) or digital I²C lines from inductive switching noise in PLC I/O modules. IC Role / Device Role / Timing Role: Low-capacitance (≈100 pF at 0 V) bidirectional clamp on sensor interface lines to suppress fast-rising transients without distorting signal edges. Use Value: Maintains <1.0 µA leakage at 22 V, avoiding measurement error in precision current loops and enabling direct connection to microcontroller GPIOs. |
| Automotive Body Control Module (BCM) | Telecom Power Supply Input Protection |
Use Scenario: Overvoltage protection of 12 V supply rails feeding BCM microcontrollers and driver ICs exposed to alternator load dump. IC Role / Device Role / Timing Role: Primary front-end TVS on main input rail, coordinated with upstream fuse and downstream LC filtering. Use Value: Absorbs 600 W peak energy from ISO 7637-2 Pulse 5b (75 V, 400 ms), limiting rail voltage to ≤35.5 V and preventing brownout or reset events. | Use Scenario: Secondary-side transient suppression on 48 V telecom DC-DC converter outputs feeding sensitive baseband processors. IC Role / Device Role / Timing Role: Final-stage TVS on regulated output bus to guard against backfeed surges and hot-swap transients. Use Value: AEC-Q101 qualification ensures reliability in telecom infrastructure with extended lifetime requirements; RoHS/HE3 compliance meets NEBS GR-63-CORE environmental specs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ22CAHE3/52 | Same VWM/VBR/VC, but lower PPPM = 600 W (same rating) and identical SMB (DO-214AA) package footprint - differs only in case outline (SMBG vs. SMB). | SMBG offers slightly lower profile (1.96 mm max height) vs. SMB (2.41 mm); both support same pad layout and thermal derating. | Select SMBG22CAHE3/52 when board height is constrained (e.g., tight enclosure clearance) or when DO-215AA mechanical compliance is required. |
| SMCJ22CAHE3/52 | Higher PPPM = 1500 W, larger SMC (DO-214AB) package, same VWM/VBR/VC specs, and identical AEC-Q101/HE3 qualification. | Used where higher surge margin is needed (e.g., 12 V battery input with frequent load dump), but requires larger PCB area and different pad layout. | Choose SMBG22CAHE3/52 for space-constrained designs where 600 W suffices; upgrade to SMCJ22CAHE3/52 only if system-level testing shows marginal clamping margin. |
Compared with SMBJ22CAHE3/52 and SMCJ22CAHE3/52, SMBG22CAHE3/52 provides identical electrical protection performance in the smallest possible footprint among Vishay's AEC-Q101 bidirectional TVS family - optimizing board area without sacrificing automotive-grade reliability or surge handling.
Availability
SMBG22CAHE3/52 is available at Aetrix Electronics and suitable for automotive electronics, industrial sensor interfaces, and telecom power systems requiring stable component supply, AEC-Q101 qualification, and RoHS-compliant manufacturing.
Supply support for SMBG22CAHE3/52 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 high-reliability, automotive-qualified components.
The SMBG series is part of Vishay's TRANSZORB® TVS platform, engineered specifically for space-constrained, high-surge automotive and industrial applications demanding AEC-Q101 validation and consistent clamping performance across temperature.
FAQ
What is the maximum clamping voltage of SMBG22CAHE3/52 under peak pulse conditions?
The SMBG22CAHE3/52 has a maximum clamping voltage (VC) of 35.5 V at 16.9 A peak pulse current (IPPM) under the standardized 10/1000 µs waveform. This value is measured per JEDEC standards and ensures downstream circuitry remains below safe voltage thresholds during transient events. The clamping ratio (VC/VBR) is approximately 1.4, confirming efficient energy diversion without excessive voltage overshoot. SMBG22CAHE3/52 maintains this performance across its full operating temperature range.
Is SMBG22CAHE3/52 suitable for automotive applications?
Yes, SMBG22CAHE3/52 is AEC-Q101 qualified and explicitly designed for automotive use, including engine control units, body electronics, and ADAS sensor modules. Its –55 °C to +150 °C junction temperature range, MSL Level 1 reflow compatibility, and validated surge performance per ISO 7637-2 make it suitable for under-hood and cabin environments. The HE3 suffix denotes RoHS compliance and AEC-Q101 qualification - critical for Tier 1 automotive supply chains. SMBG22CAHE3/52 meets these requirements without derating.
How does the bidirectional design of SMBG22CAHE3/52 affect circuit layout?
The SMBG22CAHE3/52 has no polarity marking and functions identically in both directions, eliminating orientation constraints during PCB layout and automated placement. This simplifies routing for differential or floating lines (e.g., CAN, RS-485, sensor bridges) and removes risk of incorrect installation. Layout requires symmetric 5.0 mm × 5.0 mm copper pads per terminal to achieve the rated 600 W pulse power and thermal resistance. SMBG22CAHE3/52 does not require additional biasing or direction-aware circuitry.
What is the reverse leakage current specification for SMBG22CAHE3/52 at rated stand-off voltage?
At its 22 V stand-off voltage (VWM), SMBG22CAHE3/52 exhibits a maximum reverse leakage current (ID) of 1.0 µA at 25 °C. This ultra-low leakage ensures minimal power loss in always-on automotive modules and prevents signal distortion in high-impedance sensor interfaces. Leakage remains within specification across the full –55 °C to +125 °C operating range, supporting stable performance in extreme ambient conditions. SMBG22CAHE3/52 achieves this via glass-passivated junction technology.
Does SMBG22CAHE3/52 require special PCB layout considerations for thermal management?
Yes - SMBG22CAHE3/52 requires 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal to achieve its rated 600 W peak pulse power and thermal resistance (RθJA = 100 °C/W). Smaller pads increase junction temperature during surge events and may cause premature failure. Internal copper planes or thermal vias are recommended for sustained high-temperature operation. The SMBG22CAHE3/52 package (DO-215AA) is optimized for this pad layout, and deviation invalidates the published ratings.
SMBG22CAHE3/52 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:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 22V
- Voltage - Breakdown (Min):
- 24.4V
- Voltage - Clamping (Max) @ Ipp:
- 35.5V
- Current - Peak Pulse (10/1000µs):
- 16.9A
- 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)
SMBG22CAHE3/52 FAQ
1.How can I place an order for SMBG22CAHE3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBG22CAHE3/52 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 SMBG22CAHE3/52 reliable?
The price and inventory of SMBG22CAHE3/52 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBG22CAHE3/52 is usually 5 days.
3.What payment methods are accepted for SMBG22CAHE3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBG22CAHE3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBG22CAHE3/52?
SMBG22CAHE3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBG22CAHE3/52 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 SMBG22CAHE3/52?
For technical support, including SMBG22CAHE3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBG22CAHE3/52 requirements.
6.How does Aetrix verify that SMBG22CAHE3/52 is sourced from the original manufacturer or authorized distributors?
All SMBG22CAHE3/52 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 SMBG22CAHE3/52 meets industry standards.
7.What is the process for return or replacement of SMBG22CAHE3/52?
All SMBG22CAHE3/52 units undergo pre-shipment inspection (PSI). If there is an issue with SMBG22CAHE3/52, 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 SMBG22CAHE3/52 part is unused and in its original packaging.
Return procedure for SMBG22CAHE3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBG22CAHE3/52 Tags
-
ESD9B5.0ST5G
onsemi
-
DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
-
D5V0H1B2LP-7B
Diodes Incorporated
-
D5V0P1B2LP-7B
Diodes Incorporated
-
DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
-
DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
-
D5V0L1B2WS-7
Diodes Incorporated
Tech Hub
Comparator circuit design covering voltage thresholds, input limits, open-collector outputs, LM393 wiring, op-amp differences, hysteresis, timing, window detection and practical fault diagnosis.
Schmitt triggers use separate rising and falling thresholds to stabilize slow or noisy signals. This guide covers hysteresis, 74HC14 and 74HCT14 selection, comparator calculations, RC oscillators and p…
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
