My Inquiry
My Account
Vishay General Semiconductor - Diodes Division SMB10J22AHE3/52
- Part No.:
- SMB10J22AHE3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMB10J22AHE3/52.pdf
- Description:
- TVS DIODE 22VWM 35.5VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:2,005
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SMB10J22AHE3/52 from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in SMB (DO-214AA) package, designed for high-energy surge protection on DC power rails and signal lines. It features a 22 V stand-off voltage (VWM), 24.4–26.9 V breakdown voltage (VBR) at 1 mA, 35.5 V clamping voltage (VC) at 28.2 A peak pulse current (IPPM), and 1000 W peak pulse power (PPPM) with 10/1000 µs waveform - deployed in automotive ECUs, industrial sensor interfaces, and power supply input stages.
For engineers reviewing the SMB10J22AHE3/52 datasheet, SMB10J22AHE3/52 pinout, SMB10J22AHE3/52 application, or SMB10J22AHE3/52 equivalent, key selection criteria include AEC-Q101 qualification, unidirectional polarity, low clamping ratio (VC/VBR ≈ 1.42), thermal resistance (RθJA = 72 °C/W), and compatibility with automated SMT placement on 5.0 mm × 5.0 mm copper pads.
Technical Context
This TVS diode operates as a voltage-clamped shunt protector: under normal conditions it presents high impedance (<1 µA leakage at 22 V), then rapidly avalanches below 35.5 V to divert transient energy away from downstream ICs. Its glass-passivated junction ensures stable breakdown and low incremental surge resistance, critical for repeatable clamping performance across surge events.
Designed for automotive-grade reliability, SMB10J22AHE3/52 meets AEC-Q101 stress tests and MSL Level 1 (260 °C reflow), with operating junction temperature range of –55 °C to +150 °C and 100 A non-repetitive forward surge rating (IFSM). Its SMB package supports high power density while maintaining compatibility with standard DO-214AA footprint and soldering standards (J-STD-002/JESD 22-B102).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 22 V - maximum continuous reverse working voltage before leakage exceeds 1 µA; defines safe operating margin for 24 V nominal systems. |
| VBR (min/max) | 24.4 V / 26.9 V at 1 mA - tight breakdown tolerance ensures predictable turn-on during transients without premature conduction. |
| VC @ IPPM | 35.5 V at 28.2 A (10/1000 µs) - clamping voltage limits stress on protected circuitry; VC/VBR ratio of ~1.42 indicates efficient suppression. |
| PPPM | 1000 W - peak pulse power handling capacity determines survivability against ISO 7637-2 Pulse 1/2a/5a surges in automotive environments. |
| IFSM | 100 A - single half-sine surge rating (8.3 ms) supports robustness against load dump events in vehicle electrical systems. |
| TJ max | +150 °C - enables operation in under-hood automotive locations and high-ambient industrial enclosures without derating. |
| RθJA | 72 °C/W - thermal resistance informs PCB copper pad design; requires ≥5.0 mm × 5.0 mm per terminal for full power rating. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, unidirectional configuration with cathode band marking. Dimensions: 4.57 mm × 3.94 mm × 2.20 mm (L × W × H); matte tin-plated leads, RoHS-compliant and whisker-resistant (JESD 201 Class 2).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side reference node | Connected to system ground or return path; forms current sink during transient clamping. |
| Cathode | Protected line interface | Connected to line being protected (e.g., 24 V rail or sensor output); color band identifies this terminal. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive electronics per stress test requirements - enables use in ECU, ADAS, and body control modules without additional qualification. |
| Glass passivated junction | Ensures stable VBR over temperature and lifetime, minimizing parameter drift in harsh thermal cycling environments. |
| MSL Level 1 (260 °C) | Supports lead-free reflow without popcorn effect or delamination - compatible with standard SMT assembly lines. |
| Low clamping ratio (VC/VBR) | ~1.42 - reduces voltage overshoot during surge, improving margin for 3.3 V/5 V logic and MOSFET gate drivers downstream. |
| High IPPM (28.2 A) | Enables protection against severe transients like ISO 16750-2 Load Dump (up to 120 V, 100 ms) when used with series impedance. |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
|
Use Scenario: Protecting 24 V supply inputs in engine control units against load dump and inductive switching spikes. IC Role / Device Role / Timing Role: Shunt-type transient suppressor placed between power rail and ground, responding within <1 ns to clamp overvoltage. Use Value: Limits voltage to ≤35.5 V during 1000 W surges, preventing damage to MCU power supplies and CAN transceivers. |
Use Scenario: Safeguarding analog outputs of pressure/temperature sensors connected to PLC I/O modules. IC Role / Device Role / Timing Role: Unidirectional TVS placed across sensor output and ground to absorb ESD and cable discharge events. Use Value: Maintains signal integrity by clamping transients before they reach precision ADC front-ends, with <1 µA leakage at 22 V. |
| DC-DC Converter Input Stage | Telecom Power Feeding Line |
|
Use Scenario: Input surge protection for isolated 24 V-to-5 V buck converters in industrial gateways. IC Role / Device Role / Timing Role: Primary overvoltage clamp upstream of input filter capacitor and controller IC. Use Value: Absorbs repetitive 10/1000 µs surges up to 1000 W without degradation, preserving converter reliability over 15+ year service life. |
Use Scenario: Surge suppression on 48 V phantom power lines feeding remote telecom equipment. IC Role / Device Role / Timing Role: Bidirectional-capable variant not applicable; SMB10J22AHE3/52 used in unidirectional configuration on positive feed line. Use Value: Withstands repeated lightning-induced surges per IEC 61000-4-5 Level 3 (2 kV/1 kA) when paired with appropriate series impedance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ22A-E3/52 | Same SMB package, identical VWM (22 V), VBR (24.4–26.9 V), and VC (35.5 V), but commercial-grade (non-AEC-Q101). | Lacks automotive qualification; suitable for industrial/commercial designs where AEC-Q101 is not mandated. | Select SMBJ22A-E3/52 for cost-sensitive non-automotive applications requiring identical electrical specs. |
| 1.5SMC22A | Higher package thermal resistance (RθJA ≈ 110 °C/W), lower IPPM (27.3 A), same VWM/VBR/VC; SMC (DO-214AB) package is larger (7.11 mm × 6.22 mm). | Requires more PCB area and delivers lower surge current handling; less suitable for space-constrained automotive modules. | Choose 1.5SMC22A only if legacy SMC footprint is fixed and AEC-Q101 is not required. |
Compared with SMBJ22A-E3/52 and 1.5SMC22A, SMB10J22AHE3/52 uniquely combines AEC-Q101 qualification, SMB footprint efficiency, and 1000 W PPPM - making it the optimal choice for next-generation automotive and high-reliability industrial power protection where qualification, size, and surge margin are jointly constrained.
Availability
SMB10J22AHE3/52 is available at Aetrix Electronics and suitable for automotive electronic control units, industrial sensor signal conditioning, and telecom power feeding lines requiring stable component supply, long-term lifecycle support, and traceable AEC-Q101 compliance.
Supply support for SMB10J22AHE3/52 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 reliability, power density, and application-specific qualification.
The SMB10JxxAHE3 series belongs to Vishay's TRANSZORB® high-power TVS family, engineered specifically for AEC-Q101-compliant automotive surge protection with optimized clamping performance and SMT manufacturability.
FAQ
What is the clamping voltage of SMB10J22AHE3/52 and how does it protect downstream components?
The SMB10J22AHE3/52 has a maximum clamping voltage (VC) of 35.5 V at 28.2 A peak pulse current (10/1000 µs waveform). This means that during a surge event, the device limits the voltage seen by downstream components - such as MCUs, CAN transceivers, or sensor amplifiers - to no more than 35.5 V. Because its stand-off voltage (VWM) is 22 V and breakdown begins at 24.4 V, the clamping action engages quickly and holds the protected line within a safe margin, preventing overvoltage damage while maintaining system functionality.
Is SMB10J22AHE3/52 suitable for automotive applications?
Yes, SMB10J22AHE3/52 is explicitly AEC-Q101 qualified and manufactured with automotive-grade process controls and testing. Its construction - including glass-passivated junction, MSL Level 1 rating (260 °C reflow), and operating temperature range of –55 °C to +150 °C - meets stringent automotive environmental and reliability requirements. The "HE3" suffix denotes RoHS-compliant and AEC-Q101 qualified version, making SMB10J22AHE3/52 appropriate for engine control units, body electronics, and ADAS modules.
What is the meaning of the "/52" suffix in SMB10J22AHE3/52?
The "/52" suffix in SMB10J22AHE3/52 indicates the preferred packaging format: 7-inch diameter plastic tape and reel, with a base quantity of 750 units per reel. This format is optimized for high-speed automated pick-and-place assembly. The "HE3" portion confirms RoHS compliance and AEC-Q101 qualification, while "/52" specifies the reel size and quantity - critical for production planning and SMT line setup.
How does SMB10J22AHE3/52 differ from bidirectional TVS diodes like SMB8J22CA?
SMB10J22AHE3/52 is unidirectional and intended for DC line protection where polarity is fixed (e.g., 24 V supply rails), offering higher peak pulse power (1000 W vs. 800 W) and higher peak pulse current (28.2 A vs. 22.5 A) than the bidirectional SMB8J22CA. The unidirectional configuration provides lower leakage and tighter VBR tolerance, while the bidirectional variant is used in AC-coupled or polarity-agnostic signal lines. SMB10J22AHE3/52 cannot substitute for SMB8J22CA in AC or floating applications without circuit redesign.
What PCB layout guidance applies to SMB10J22AHE3/52 to achieve rated 1000 W performance?
To achieve the full 1000 W peak pulse power rating, SMB10J22AHE3/52 must be mounted on minimum recommended copper pads: 0.2" × 0.2" (5.0 mm × 5.0 mm) per terminal, per Vishay datasheet Figure 2. Traces should be short and wide to minimize inductance, and thermal vias under pads improve heat dissipation. Using smaller pads or insufficient copper will increase junction temperature and reduce surge capability - derating begins above 25 °C ambient, with RθJA = 72 °C/W defining the thermal path.
SMB10J22AHE3/52 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 22V
- Voltage - Breakdown (Min):
- 24.4V
- Voltage - Clamping (Max) @ Ipp:
- 35.5V
- Current - Peak Pulse (10/1000µs):
- 28.2A
- Power - Peak Pulse:
- 1000W (1kW)
- 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 (SMB)
SMB10J22AHE3/52 FAQ
1.How can I place an order for SMB10J22AHE3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMB10J22AHE3/52 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 SMB10J22AHE3/52 reliable?
The price and inventory of SMB10J22AHE3/52 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMB10J22AHE3/52 is usually 5 days.
3.What payment methods are accepted for SMB10J22AHE3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMB10J22AHE3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMB10J22AHE3/52?
SMB10J22AHE3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMB10J22AHE3/52 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 SMB10J22AHE3/52?
For technical support, including SMB10J22AHE3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMB10J22AHE3/52 requirements.
6.How does Aetrix verify that SMB10J22AHE3/52 is sourced from the original manufacturer or authorized distributors?
All SMB10J22AHE3/52 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 SMB10J22AHE3/52 meets industry standards.
7.What is the process for return or replacement of SMB10J22AHE3/52?
All SMB10J22AHE3/52 units undergo pre-shipment inspection (PSI). If there is an issue with SMB10J22AHE3/52, 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 SMB10J22AHE3/52 part is unused and in its original packaging.
Return procedure for SMB10J22AHE3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMB10J22AHE3/52 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 …
