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Diodes Incorporated 3.0SMCJ20A-13
- Part No.:
- 3.0SMCJ20A-13
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
3.0SMCJ20A-13.pdf
- Description:
- TVS DIODE 20VWM 32.4VC SMC
- Quantity:
- Payment:
- Shipping:
Inventory:3,991
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Product details
Overview
3.0SMCJ20A-13 from Diodes Incorporated is a unidirectional 3000W surface-mount transient voltage suppressor (TVS) diode with 20V reverse standoff voltage, 32.4V max clamping voltage at 92.6A peak pulse current, and IEC-61000-4-2 ESD protection (30kV air/30kV contact). It protects DC power rails and signal lines in industrial motor drives, telecom power supplies, and automotive body control modules against lightning-induced surges and EFT.
For engineers reviewing the 3.0SMCJ20A-13 datasheet, 3.0SMCJ20A-13 pinout, 3.0SMCJ20A-13 application, or 3.0SMCJ20A-13 equivalent, key selection criteria include clamping voltage margin relative to protected IC VMAX, peak pulse current capability under 10/1000μs waveform, thermal derating above +25°C ambient, and SMC package solderability per MIL-STD-202.
Technical Context
This TVS operates as a voltage-clamped shunt protector: under normal bias (≤20V), it draws <5μA leakage; during transients exceeding breakdown (22.2–24.5V @ 1mA), it avalanches to clamp voltage ≤32.4V. Its glass-passivated die ensures stable breakdown and low capacitance (<100pF typical).
Designed for single-pulse surge suppression, it handles 3000W non-repetitive peaks per 10×1000μs waveform, with thermal derating to 50% power at +125°C ambient and full operation from –55°C to +150°C junction temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 3000W - sustains 10/1000μs surge without failure; defines maximum energy absorption capability |
| Reverse Standoff Voltage (VRWM) | 20V - maximum continuous DC or RMS voltage before significant leakage; sets operating rail limit |
| Breakdown Voltage (VBR) | 22.2–24.5V @ 1mA - guaranteed avalanche onset range; ensures reliable triggering above VRWM |
| Max Clamping Voltage (VC) | 32.4V @ 92.6A - upper voltage seen by protected circuit during worst-case surge; must be below IC absolute max rating |
| ESD Rating | 30kV air / 30kV contact per IEC-61000-4-2 - qualifies for front-panel and connector-level ESD hardening |
| Operating Temperature | –55°C to +150°C - supports under-hood automotive, industrial PLC, and outdoor telecom deployments |
| Package | SMC (DO-214AB) - surface-mount outline with 7.75–8.13mm length, 5.59–6.22mm width, 2.75–3.18mm height; compatible with standard reflow profiles |
Pinout & Package
Package: SMC (DO-214AB), molded plastic, UL 94V-0 rated, matte tin-plated leads, cathode band marking for unidirectional polarity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side reference terminal | Connected to ground or lowest potential node; completes clamping path during positive transients |
| Cathode | High-side surge input terminal | Connected to protected line (e.g., 24V rail); avalanche conduction occurs from cathode to anode when voltage exceeds VBR |
Key Features
| Feature | Design Value |
|---|---|
| 3000W peak pulse power | Enables robust protection of 24V/48V industrial power inputs against IEC 61000-4-5 Level 4 surges (4kV/2Ω) |
| Glass-passivated die construction | Ensures stable VBR over lifetime and temperature; eliminates parameter drift due to moisture or contamination |
| Lead-free, RoHS 3 & "Green" compliant | Meets <900ppm Br/Cl and <1000ppm Sb; qualified for automotive PPAP and IATF 16949 manufacturing |
| JEDEC high-reliability qualification | Validated per AEC-Q standards for extended life in harsh environments; suitable for mission-critical systems |
Applications
| Industrial Motor Drives | Telecom Power Supplies |
|---|---|
|
Use Scenario: Protection of 24V auxiliary power rails feeding gate drivers and position sensors in servo inverters. IC Role / Device Role / Timing Role: Shunt TVS diode placed directly across input capacitor to clamp switching noise and lightning-induced surges. Use Value: Limits transient voltage to ≤32.4V, preventing latch-up or oxide damage in 3.3V/5V logic controllers downstream of DC-DC converters. |
Use Scenario: Input-stage surge suppression on –48V telecom rectifier outputs feeding backplane distribution. IC Role / Device Role / Timing Role: Unidirectional TVS connected between –48V rail and chassis ground to absorb differential-mode surges. Use Value: Withstands 92.6A peak pulse current, maintaining system uptime during repeated lightning strikes per GR-1089-CORE requirements. |
| Automotive Body Control Modules | Smart Energy Meters |
|
Use Scenario: CAN bus power line (VBAT) protection in BCMs exposed to load dump and jump-start transients. IC Role / Device Role / Timing Role: Primary clamping device on 12V supply input, coordinated with upstream fuse and downstream LDO. Use Value: Clamps 3000W pulses within 1ns response time, meeting ISO 7637-2 Pulse 5a (75V/100ms) immunity without derating. |
Use Scenario: Surge protection on AC/DC adapter output feeding metrology SoC and RF communication ICs. IC Role / Device Role / Timing Role: Final-stage TVS on 3.3V/5V rails to suppress EFT bursts (IEC 61000-4-4, 4kV) coupled via power entry. Use Value: 30kV IEC-61000-4-2 ESD rating prevents field failures from handling events during meter installation and maintenance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ20A-13 (Diodes Inc.) | Lower 600W peak power; same 20V VRWM and SMC-compatible SMB package | Suitable only for sub-20A surge currents; insufficient for IEC 61000-4-5 Level 3+ compliance | Select when space-constrained layouts require smaller footprint and surge energy is ≤600W |
| 1.5SMCJ20A (ON Semiconductor) | Same 3000W rating and 20V VRWM but obsolete packaging (legacy tape/reel); identical electrical specs | No functional difference; requires verification of current production status and lead time | Use only if legacy BOM continuity is required; 3.0SMCJ20A-13 offers improved manufacturability and RoHS 3 compliance |
Compared with SMBJ20A-13, 3.0SMCJ20A-13 delivers 5× higher surge energy handling for critical power rails; versus 1.5SMCJ20A, it provides active production support, JEDEC reliability validation, and full halogen/antimony-free compliance.
Availability
3.0SMCJ20A-13 is available at Aetrix Electronics and suitable for industrial motor drives, telecom power supplies, automotive body control modules, and smart energy meters requiring stable component supply across multi-year production cycles.
Supply support for 3.0SMCJ20A-13 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
Diodes Incorporated is a global semiconductor company specializing in discrete, analog, and mixed-signal devices, with design, manufacturing, and logistics operations across Asia, the US, and Europe.
This part belongs to the 3.0SMCJ series of high-power TVS diodes, engineered specifically for industrial-grade surge immunity in harsh environments where reliability, thermal stability, and ESD robustness are mandatory.
FAQ
What is the maximum clamping voltage of the 3.0SMCJ20A-13 under a 10/1000μs surge?
The maximum clamping voltage is 32.4V when subjected to a 92.6A peak pulse current under the standardized 10×1000μs waveform. This value is measured at TA = +25°C and defines the upper voltage limit imposed on protected circuitry during worst-case transient events.
Is the 3.0SMCJ20A-13 unidirectional or bidirectional?
It is unidirectional, indicated by the absence of "(C)" in the part number (i.e., "3.0SMCJ20A-13", not "3.0SMCJ20CA-13"). It features a cathode band marking and conducts only during positive voltage excursions above its breakdown threshold, making it ideal for DC rail protection.
Does this TVS diode meet automotive qualification standards?
While the base 3.0SMCJ20A-13 is not AEC-Q200 qualified, Diodes Incorporated offers automotive-grade variants (e.g., 3.0SMCJ20AQ-13) with AEC-Q200 certification, PPAP documentation, and IATF 16949 manufacturing. The base part meets JEDEC high-reliability standards and is widely used in non-safety-critical automotive subsystems.
What is the thermal derating behavior above +25°C ambient?
Per Figure 1 in DS30818 Rev. 18, peak pulse power derates linearly from 100% at +25°C to approximately 50% at +125°C ambient. At +150°C, it retains ~35% of rated 3000W capability, enabling operation in high-temperature enclosures without forced cooling.
3.0SMCJ20A-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- DO-214AB, SMC
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 20V
- Voltage - Breakdown (Min):
- 22.2V
- Voltage - Clamping (Max) @ Ipp:
- 32.4V
- Current - Peak Pulse (10/1000µs):
- 62.6A
- Power - Peak Pulse:
- 3000W (3kW)
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 3300pF @ 1MHz
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SMC
3.0SMCJ20A-13 FAQ
1.How can I place an order for 3.0SMCJ20A-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for 3.0SMCJ20A-13 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 3.0SMCJ20A-13 reliable?
The price and inventory of 3.0SMCJ20A-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 3.0SMCJ20A-13 is usually 5 days.
3.What payment methods are accepted for 3.0SMCJ20A-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 3.0SMCJ20A-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 3.0SMCJ20A-13?
3.0SMCJ20A-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 3.0SMCJ20A-13 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 3.0SMCJ20A-13?
For technical support, including 3.0SMCJ20A-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 3.0SMCJ20A-13 requirements.
6.How does Aetrix verify that 3.0SMCJ20A-13 is sourced from the original manufacturer or authorized distributors?
All 3.0SMCJ20A-13 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 3.0SMCJ20A-13 meets industry standards.
7.What is the process for return or replacement of 3.0SMCJ20A-13?
All 3.0SMCJ20A-13 units undergo pre-shipment inspection (PSI). If there is an issue with 3.0SMCJ20A-13, 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 3.0SMCJ20A-13 part is unused and in its original packaging.
Return procedure for 3.0SMCJ20A-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
3.0SMCJ20A-13 Tags
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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