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TPSMA13AHE3_B/H
Vishay General Semiconductor - Diodes Division
TVS DIODE 11.1VWM 18.2VC DO214AC
23489 Pcs New Original In Stock
18.2V Clamp 22A Ipp Tvs Diode Surface Mount DO-214AC (SMA)
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5.0 / 5.0
- (364 Ratings)
TPSMA13AHE3_B/H
Product Overview
1006466
DiGi Electronics Part Number
TPSMA13AHE3_B/H-DGManufacturer
Vishay General Semiconductor - Diodes Division
TPSMA13AHE3_B/H
Description
TVS DIODE 11.1VWM 18.2VC DO214ACInventory
23489 Pcs New Original In Stock
18.2V Clamp 22A Ipp Tvs Diode Surface Mount DO-214AC (SMA)
CAD Models - PCB Symbols & Footprints
Quantity
Minimum 1
Minimum 1
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TPSMA13AHE3_B/H Technical Specifications
Category
Transient Voltage Suppressors (TVS), TVS Diodes
Packaging
Tape & Reel (TR)
Series
PAR®
Product Status
Active
Type
Zener
Unidirectional Channels
1
Voltage - Reverse Standoff (Typ)
11.1V
Voltage - Breakdown (Min)
12.4V
Voltage - Clamping (Max) @ Ipp
18.2V
Current - Peak Pulse (10/1000µs)
22A
Power - Peak Pulse
400W
Power Line Protection
No
Applications
-
Capacitance @ Frequency
-
Operating Temperature
-65°C ~ 185°C (TJ)
Grade
Automotive
Qualification
AEC-Q101
Mounting Type
Surface Mount
Package / Case
DO-214AC, SMA
Supplier Device Package
DO-214AC (SMA)
Base Product Number
TPSMA13
Datasheet & Documents
HTML Datasheet
TPSMA13AHE3_B/H-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
Standard Package
1,800
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
TPSMA13AHE3_A/H
Vishay General Semiconductor - Diodes Division
2128
TPSMA13AHE3_A/H-DG
0.0442
Direct
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
包裝非常堅固，商品安全到達，感覺非常安心，服務值得肯定。
de desembre 02, 2025
En tant qu’acheteur en gros, je trouve que DiGi offre le meilleur rapport qualité-prix, avec un service après-vente très fluide.
de desembre 02, 2025
La rapidité de leur chaîne logistique garantit un service fiable, même en période de forte demande.
de desembre 02, 2025
検索機能が優れていて、必要な商品を素早く見つけることができました。
de desembre 02, 2025
The packaging process is detailed and meticulous, preventing damage.
de desembre 02, 2025
DiGi Electronics delivers service with a high level of professionalism and care.
de desembre 02, 2025
Always punctual—diGi Electronics is reliable in meeting delivery schedules.
de desembre 02, 2025
DiGi Electronics' staff exudes professionalism and genuine care for their customers.
de desembre 02, 2025
My order arrived promptly, and any questions I had afterward were answered quickly.
de desembre 02, 2025
Great balance of affordability and performance—DiGi Electronics truly delivers.
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Frequently Asked Questions (FAQ)
What are the key design risks when using the TPSMA13AHE3_B/H for automotive transient protection in a 12V system?
When using the TPSMA13AHE3_B/H in a 12V automotive system, the primary design risk lies in ensuring that the normal operating voltage (typically up to 14V during load dump or regulation transients) does not exceed the device's 11.1V reverse standoff voltage. Since the TPSMA13AHE3_B/H starts conducting near 12.4V (min breakdown), prolonged exposure to voltages above this level — common in cranking or jump-start scenarios — can cause continuous conduction, leading to thermal runaway and premature failure. To mitigate this risk, ensure the TPSMA13AHE3_B/H is used only for infrequent transients (e.g., ESD or ISO 7637-2 pulses), and consider pairing it with an overvoltage detection circuit or using a higher standoff voltage TVS like the TPSMA16A for systems with frequent elevated voltage events.
Can the TPSMA13AHE3_B/H replace a SMAJ12A in an existing design, and what performance trade-offs should be considered?
The TPSMA13AHE3_B/H can be a viable drop-in replacement for the SMAJ12A in most surge protection applications, given their similar DO-214AC (SMA) footprint and close electrical specs. However, key trade-offs exist: the TPSMA13AHE3_B/H has a tighter breakdown voltage range (12.4V min) versus SMAJ12A (11.4V–12.7V), increasing risk of premature conduction in marginal 12V systems. Additionally, while both offer 400W peak pulse power, the TPSMA13AHE3_B/H’s lower clamping voltage (18.2V max vs. SMAJ12A’s 19.9V) improves protection margin for downstream ICs. Always confirm that the 11.1V reverse standoff is compatible with your operating range and verify surge robustness under 10/1000μs waveform conditions.
How does the high junction temperature rating of the TPSMA13AHE3_B/H impact reliability in under-hood automotive applications?
The TPSMA13AHE3_B/H’s extended operating temperature range up to 185°C (TJ) significantly enhances reliability in under-hood automotive environments where ambient temperatures can exceed 125°C. This high thermal tolerance allows the device to safely absorb repetitive transients without derating issues common with standard TVS diodes. However, achieving this performance requires proper PCB thermal design — use at least 2oz copper and multiple thermal vias to a ground plane to ensure effective heat dissipation. Without adequate thermal management, localized heating during surge events can still lead to parameter drift or solder joint fatigue, even within the rated TJ range.
What PCB layout considerations are critical when integrating the TPSMA13AHE3_B/H for effective ESD and surge protection?
Effective integration of the TPSMA13AHE3_B/H requires minimizing parasitic inductance in the surge path. Place the device as close as possible to the entry point of the transient (e.g., connectors or switches), and keep the trace length between the protected line and the TVS anode under 2mm. Use wide, short traces and connect the cathode directly to a low-impedance ground plane via multiple vias. Avoid daisy-chaining other components between the TPSMA13AHE3_B/H and the threat source, as this increases clamping voltage due to L×di/dt effects. Following these practices ensures the TPSMA13AHE3_B/H clamps near its rated 18.2V under 10/1000µs transients, maximizing downstream IC protection.
Why is the TPSMA13AHE3_B/H AEC-Q101 qualified, and how does this affect field reliability in automotive designs?
The AEC-Q101 qualification of the TPSMA13AHE3_B/H confirms that the device has passed rigorous stress testing — including temperature cycling, reverse bias operation, and surge robustness — required for automotive-grade components. This certification reduces design-in risk by ensuring consistent performance and long-term reliability under harsh environmental conditions like thermal cycling and voltage transients. Using the TPSMA13AHE3_B/H instead of non-qualified equivalents (e.g., generic SMA-type TVS diodes) improves time-to-failure metrics in automotive applications and supports compliance with automotive safety standards. Always verify that the entire bill of materials includes AEC-Q101 rated parts to avoid reliability bottlenecks during vehicle-level qualification.
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.
TPSMA13AHE3_B/H CAD Models
Vishay General Semiconductor - Diodes Division TPSMA13AHE3_B/H PCB symbols & footprints
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