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SMBJ13A-E3/52
Vishay General Semiconductor - Diodes Division
TVS DIODE 13VWM 21.5VC DO214AA
4853 Pcs New Original In Stock
21.5V Clamp 27.9A Ipp Tvs Diode Surface Mount DO-214AA (SMBJ)
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5.0 / 5.0
- (107 Ratings)
SMBJ13A-E3/52
Product Overview
1043770
DiGi Electronics Part Number
SMBJ13A-E3/52-DGManufacturer
Vishay General Semiconductor - Diodes Division
SMBJ13A-E3/52
Description
TVS DIODE 13VWM 21.5VC DO214AAInventory
4853 Pcs New Original In Stock
21.5V Clamp 27.9A Ipp Tvs Diode Surface Mount DO-214AA (SMBJ)
CAD Models - PCB Symbols & Footprints
Quantity
Minimum 1
Minimum 1
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SMBJ13A-E3/52 Technical Specifications
Category
Transient Voltage Suppressors (TVS), TVS Diodes
Packaging
Tape & Reel (TR)
Series
TransZorb®
Product Status
Active
Type
Zener
Unidirectional Channels
1
Voltage - Reverse Standoff (Typ)
13V
Voltage - Breakdown (Min)
14.4V
Voltage - Clamping (Max) @ Ipp
21.5V
Current - Peak Pulse (10/1000µs)
27.9A
Power - Peak Pulse
600W
Power Line Protection
No
Applications
General Purpose
Capacitance @ Frequency
-
Operating Temperature
-55°C ~ 150°C (TJ)
Mounting Type
Surface Mount
Package / Case
DO-214AA, SMB
Supplier Device Package
DO-214AA (SMBJ)
Base Product Number
SMBJ13
Datasheet & Documents
HTML Datasheet
SMBJ13A-E3/52-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8541.10.0080
Additional Information
Other Names
SMBJ13A-E3/52GITR
SMBJ13A-E3/52GICT
SMBJ13AE352
SMBJ13A-E3/52-DG
SMBJ13A-E3/52GIDKR
Standard Package
750
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
SMBJ13D-M3/H
Vishay General Semiconductor - Diodes Division
1015
SMBJ13D-M3/H-DG
0.0672
MFR Recommended
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
DiGi Electronics a une attitude très professionnelle tout en étant chaleureuse et accessible.
Dec 02, 2025
Their logistics network is robust, ensuring reliable and swift delivery across regions.
Dec 02, 2025
Their logistics are so efficient that I received my order earlier than expected, packed perfectly.
Dec 02, 2025
The shipping labels and packaging materials reflect a high standard of professionalism.
Dec 02, 2025
DiGi Electronics offers excellent after-sales support, including helpful troubleshooting and quick resolution times.
Dec 02, 2025
This store consistently provides friendly service and budget-friendly prices.
Dec 02, 2025
I've been consistently impressed by the durability of their products. They stand up to intense use without any issues.
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Frequently Asked Questions (FAQ)
What design risks should I consider when using the SMBJ13A-E3/52 for automotive load dump protection in a 12V system?
When using the SMBJ13A-E3/52 for automotive load dump protection, ensure that the clamping voltage (21.5V max @ Ipp) does not exceed downstream component tolerances, as some 12V-rated ICs may fail above 20V. While the SMBJ13A-E3/52 can handle transient energy up to 600W (10/1000µs), verify actual system-level waveform profiles—load dumps often require longer pulse handling than standardized test conditions. Consider pairing with a fast-acting fuse or polyfuse for sustained overvoltage events, as TVS diodes like the SMBJ13A-E3/52 are not rated for continuous overvoltage. Always review layout parasitics to avoid voltage overshoot during fast transients, and ensure thermal dissipation capability in high-ambient environments up to 150°C TJ.
Can I directly replace an SMAJ13A with the SMBJ13A-E3/52 in an existing PCB design, and what are the implications?
Replacing an SMAJ13A with the SMBJ13A-E3/52 requires checking both thermal and current-handling differences due to package size—SMA (DO-214AC) vs. SMB (DO-214AA). The SMBJ13A-E3/52 has a higher peak pulse current (27.9A vs. ~19A for SMAJ13A) and better power dissipation (600W vs. 400W), but the larger SMB package dissipates heat less efficiently on smaller PCB pads. Ensure your layout has adequate copper for thermal management. Electrically, both have similar standoff (13V) and clamping (21.5V) voltages, so it's feasible with revised thermal design, but do not assume pin compatibility without footprint verification.
How does the SMBJ13A-E3/52 perform in high-temperature industrial environments, and what derating should be applied?
The SMBJ13A-E3/52 operates up to 150°C junction temperature, making it suitable for harsh industrial environments. However, its peak pulse power rating of 600W is specified at room temperature (25°C); at elevated temperatures, the device must be derated significantly. Apply a conservative 1.5% per °C derating above 25°C and validate through thermal simulation or testing under worst-case ambient (e.g., 85–105°C). Ensure PCB copper area exceeds minimum recommendations in the datasheet to maintain thermal resistance below 100°C/W. Frequent high-energy transients at elevated temperatures increase long-term degradation risk—monitor failure signs like leakage current drift.
What are the key trade-offs between using the SMBJ13A-E3/52 and the Littelton LT3652 for overvoltage protection in a sensitive power input stage?
The SMBJ13A-E3/52 is a transient suppressor diode (TVS), while the LT3652 is a switching battery charger with built-in overvoltage lockout—different device types solving different problems. The SMBJ13A-E3/52 protects against fast transients (ESD, surges) with sub-nanosecond response but cannot regulate or isolate during sustained overvoltage, risking thermal runaway. The LT3652 actively disconnects under overvoltage but responds more slowly. For robust protection, use the SMBJ13A-E3/52 as a first-stage clamp upstream of the LT3652, which provides precise input regulation and shutdown. This hybrid approach ensures surge resilience and safe system-level control.
Is the SMBJ13A-E3/52 suitable for protecting USB 5V data lines against ESD when used parasitically on the power rail?
The SMBJ13A-E3/52 is not recommended for protecting USB data lines due to its high reverse standoff voltage (13V), which exceeds the USB 5V operating range—clamp response won't activate until ~14.4V, offering no protection for 8kV air-discharge ESD events often seen on USB ports. Use lower-voltage TVS diodes like the USBLC6-2SC6 or SP3519R5U (5V variants) instead. However, if the SMBJ13A-E3/52 is used to protect an auxiliary 12V rail adjacent to USB circuits, ensure physical separation and grounding to avoid coupling ESD energy into data lines through shared planes or inductance.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
SMBJ13A-E3/52 CAD Models
Vishay General Semiconductor - Diodes Division SMBJ13A-E3/52 PCB symbols & footprints
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