My Inquiry
My Account
Vishay General Semiconductor - Diodes Division SMBJ10CA/54
- Part No.:
- SMBJ10CA/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMBJ10CA/54.pdf
- Description:
- TVS DIODE 10VWM 17VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:8,545
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SMBJ10CA/54 from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode in the SMB (DO-214AA) package, designed for clamping voltage transients on signal or power lines. It features a 10 V standoff voltage (VWM), 11.1–12.3 V breakdown voltage (VBR) at 1 mA, 17.0 V maximum clamping voltage (VC) at 35.3 A peak pulse current, and 600 W peak pulse power rating with a 10/1000 µs waveform - used to protect MOSFETs, ICs, and sensor signal lines in industrial and telecom equipment.
For engineers reviewing the SMBJ10CA/54 datasheet, SMBJ10CA/54 pinout, SMBJ10CA/54 application, or SMBJ10CA/54 equivalent, this device is selected for robust ESD and surge protection where bidirectional clamping, low clamping ratio, and AEC-Q101 qualification options are required - especially in automotive-grade variants with HE3/HM3 suffixes.
Technical Context
The SMBJ10CA/54 operates as a silicon avalanche diode with symmetrical bidirectional conduction, enabling suppression of both positive and negative transients without polarity sensitivity. Its glass-passivated junction ensures stable breakdown characteristics and low leakage (<1.0 µA at VWM), while its thermal resistance (RθJA = 100 °C/W) supports operation up to 150 °C junction temperature.
It delivers 35.3 A peak pulse current (IPPM) under standardized 10/1000 µs surge conditions, with clamping occurring within <1 ps response time. The device meets UL 497B recognition (QVGQ2) and J-STD-020 MSL Level 1 moisture sensitivity, supporting lead-free reflow up to 260 °C peak.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 10 V - Maximum continuous reverse voltage before significant leakage; defines safe operating margin below breakdown. |
| VBR (Breakdown Voltage) | 11.1–12.3 V at 1 mA - Guaranteed avalanche initiation range; ensures predictable clamping onset. |
| VC (Clamping Voltage) | 17.0 V at 35.3 A - Peak voltage seen by protected circuit during 600 W transient; determines downstream component stress. |
| PPPM (Peak Pulse Power) | 600 W - Sustained energy absorption capability under 10/1000 µs waveform; validates compliance with IEC 61000-4-5 Level 4. |
| IPPM (Peak Pulse Current) | 35.3 A - Maximum surge current handled at rated clamping voltage; sets minimum trace width and PCB copper pad requirements. |
| TJmax | 150 °C - Maximum junction temperature; enables use in under-hood automotive or high-ambient industrial environments. |
| Package | SMB (DO-214AA) - Standardized 2-pin surface-mount outline with 5.0 mm × 5.0 mm copper pad thermal design; supports automated placement. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, bidirectional - no polarity marking; symmetrical terminals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode / Cathode (symmetrical) | Bidirectional avalanche junction | Either terminal serves as anode or cathode depending on transient polarity; no orientation required during placement. |
| Case (body) | Non-connected thermal path | Thermally coupled to PCB copper pads; requires 0.2" × 0.2" (5.0 mm × 5.0 mm) minimum pad area per terminal for rated power dissipation. |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 µs) | Validates immunity to severe lightning-induced surges per IEC 61000-4-5, enabling single-device protection without external series impedance. |
| 17.0 V clamping at 35.3 A | Clamping ratio (VC/VWM) of 1.7 - lower than typical TVS devices, reducing stress on 12 V rail and 3.3 V logic interfaces. |
| UL 497B recognized (QVGQ2) | Approved for telecom line protection applications without additional certification overhead for end-equipment safety compliance. |
| MSL Level 1, 260 °C peak reflow | Compatible with standard lead-free SMT processes without baking or special handling; reduces manufacturing risk. |
| AEC-Q101 qualified variants available | HE3/HM3 suffix versions meet automotive reliability standards for engine control, body electronics, and ADAS sensor interfaces. |
Applications
| Industrial Motor Control | Automotive Sensor Interface |
|---|---|
|
Use Scenario: Protecting gate drivers and feedback signal lines in variable-frequency drives from inductive switching spikes. IC Role / Device Role / Timing Role: Bidirectional transient clamp placed across motor phase outputs and analog sensor inputs. Use Value: Limits voltage excursions to ≤17.0 V during 600 W surges, preventing latch-up or damage to isolated amplifiers and PWM controllers. |
Use Scenario: Shielding CAN bus transceivers and temperature/hall-effect sensors from load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Primary line-level surge suppressor on differential signal pairs and supply rails. Use Value: Maintains signal integrity during 100 V/50 ms load dump events by clamping within 1 ps and dissipating 600 W without degradation. |
| Telecom Power Feeds | Consumer USB-C Port Protection |
|
Use Scenario: Safeguarding PoE-powered Ethernet PHYs and DC-DC converters against lightning-induced common-mode surges on twisted-pair lines. IC Role / Device Role / Timing Role: Secondary protection stage after gas discharge tube (GDT), directly at IC input pins. Use Value: Provides sub-20 V clamping to protect 24 V tolerant PHYs while surviving repeated 10/1000 µs transients up to 35.3 A. |
Use Scenario: Preventing ESD and hot-swap transients from damaging USB-C controller ICs and Type-C port multiplexers. IC Role / Device Role / Timing Role: Low-capacitance (<100 pF) bidirectional clamp on VBUS and CC lines. Use Value: Clamps ±15 kV contact ESD (IEC 61000-4-2) to <17 V without affecting 5–20 V PD negotiation signaling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ10CA-E3/52 | Same electrical specs; RoHS-compliant commercial-grade variant with matte tin leads and 7" tape/reel packaging. | No AEC-Q101 qualification; suitable for non-automotive industrial or consumer designs requiring cost-optimized sourcing. | Select when automotive qualification is unnecessary and standard commercial reliability suffices. |
| SMBJ10CAHE3_B/H | Identical clamping and surge ratings; adds AEC-Q101 qualification, halogen-free construction, and enhanced temperature cycling performance. | Required for automotive ECUs, ADAS modules, and any application needing validated automotive-grade reliability and PPAP support. | Select when functional safety (ISO 26262) or OEM automotive qualification is mandatory. |
Compared with SMBJ10CA/54, the E3/52 variant offers identical protection performance at lower cost for commercial use, while the HE3_B/H version adds automotive qualification and halogen-free compliance - making SMBJ10CA/54 a mid-tier option balancing traceability, packaging convenience (54 = 13" reel), and broad industrial applicability.
Availability
SMBJ10CA/54 is available at Aetrix Electronics and suitable for industrial motor control, telecom power feeds, automotive sensor interface, and consumer USB-C port protection requiring stable component supply and consistent reel-based logistics.
Supply support for SMBJ10CA/54 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 efficiency, and automotive-grade validation.
The SMBJ series is engineered for high-energy transient suppression in harsh environments - targeting industrial automation, automotive electronics, and telecom infrastructure where robustness and repeatable clamping performance are critical.
FAQ
What is the clamping voltage of SMBJ10CA/54 at its rated peak pulse current?
The SMBJ10CA/54 has a maximum clamping voltage (VC) of 17.0 V at 35.3 A peak pulse current (IPPM) under the standard 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and guarantees that protected circuits experience no more than 17.0 V during worst-case surge events - essential for safeguarding 12 V and 3.3 V logic interfaces. The SMBJ10CA/54 maintains this clamping performance across its full operating temperature range (-55 °C to +150 °C).
Is SMBJ10CA/54 bidirectional, and how does that affect PCB layout?
Yes, SMBJ10CA/54 is a bidirectional TVS diode, meaning it provides symmetrical clamping for both positive and negative transients without polarity dependence. As a result, there is no cathode band or orientation requirement - either terminal connects to either side of the protected line. This simplifies PCB layout, eliminates assembly errors, and allows flexible placement on differential pairs or AC-coupled signal paths. The SMBJ10CA/54 achieves this via a back-to-back avalanche junction structure inherent to its DO-214AA package.
Does SMBJ10CA/54 meet automotive qualification standards?
The base SMBJ10CA/54 is a commercial-grade part and not AEC-Q101 qualified. However, Vishay offers functionally identical automotive variants: SMBJ10CAHE3_B/H (RoHS-compliant + AEC-Q101) and SMBJ10CAHM3_B/H (halogen-free + AEC-Q101). These share the same VWM, VBR, VC, and PPPM specs but undergo extended reliability testing per AEC-Q101. For automotive use, specify the HE3 or HM3 suffix - the SMBJ10CA/54 itself is intended for industrial and telecom applications where automotive qualification is not mandated.
What is the thermal resistance and power derating behavior of SMBJ10CA/54?
The SMBJ10CA/54 has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W when mounted on the recommended 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal. Its 5.0 W steady-state power dissipation (PD) is derated linearly above 25 °C ambient, reaching zero at 150 °C. Derating follows Figure 2 in Vishay document 88392: at 70 °C ambient, usable PD drops to ~3.0 W. This behavior directly impacts long-term reliability in enclosed enclosures - the SMBJ10CA/54 must be thermally anchored to sufficient copper area to avoid thermal runaway during repetitive surges.
How does SMBJ10CA/54 compare to unidirectional SMBJ10A in circuit protection role?
The SMBJ10CA/54 differs from the unidirectional SMBJ10A solely in polarity: SMBJ10CA/54 suppresses transients in both directions (±17.0 V clamping), while SMBJ10A clamps only in reverse bias and conducts forward like a rectifier. This makes SMBJ10CA/54 ideal for AC lines, differential signals (e.g., RS-485, CAN), or floating supplies where polarity isn't fixed. In contrast, SMBJ10A suits DC rails with defined ground reference. Both share identical VWM, VBR, PPPM, and package - so the SMBJ10CA/54 replaces SMBJ10A only when bidirectional protection is explicitly required.
SMBJ10CA/54 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 10V
- Voltage - Breakdown (Min):
- 11.1V
- Voltage - Clamping (Max) @ Ipp:
- 17V
- Current - Peak Pulse (10/1000µs):
- 35.3A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMBJ)
SMBJ10CA/54 FAQ
1.How can I place an order for SMBJ10CA/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBJ10CA/54 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 SMBJ10CA/54 reliable?
The price and inventory of SMBJ10CA/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBJ10CA/54 is usually 5 days.
3.What payment methods are accepted for SMBJ10CA/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBJ10CA/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBJ10CA/54?
SMBJ10CA/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBJ10CA/54 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 SMBJ10CA/54?
For technical support, including SMBJ10CA/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBJ10CA/54 requirements.
6.How does Aetrix verify that SMBJ10CA/54 is sourced from the original manufacturer or authorized distributors?
All SMBJ10CA/54 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 SMBJ10CA/54 meets industry standards.
7.What is the process for return or replacement of SMBJ10CA/54?
All SMBJ10CA/54 units undergo pre-shipment inspection (PSI). If there is an issue with SMBJ10CA/54, 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 SMBJ10CA/54 part is unused and in its original packaging.
Return procedure for SMBJ10CA/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBJ10CA/54 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 …
