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TPSMA10AHE3_B/H
Vishay General Semiconductor - Diodes Division
TVS DIODE 8.65VWM 14.5VC DO214AC
3259 Pcs New Original In Stock
14.5V Clamp 27.6A Ipp Tvs Diode Surface Mount DO-214AC (SMA)
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5.0 / 5.0
- (471 Ratings)
TPSMA10AHE3_B/H
Product Overview
1085160
DiGi Electronics Part Number
TPSMA10AHE3_B/H-DGManufacturer
Vishay General Semiconductor - Diodes Division
TPSMA10AHE3_B/H
Description
TVS DIODE 8.65VWM 14.5VC DO214ACInventory
3259 Pcs New Original In Stock
14.5V Clamp 27.6A Ipp Tvs Diode Surface Mount DO-214AC (SMA)
CAD Models - PCB Symbols & Footprints
Quantity
Minimum 1
Minimum 1
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TPSMA10AHE3_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)
8.65V
Voltage - Breakdown (Min)
9.5V
Voltage - Clamping (Max) @ Ipp
14.5V
Current - Peak Pulse (10/1000µs)
27.6A
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
TPSMA10
Datasheet & Documents
HTML Datasheet
TPSMA10AHE3_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
Other Names
112-TPSMA10AHE3_B/HDKR
112-TPSMA10AHE3_B/HCT
TPSMA10AHE3_B/H-DG
112-TPSMA10AHE3_B/HTR
Standard Package
1,800
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
TPSMA10AHE3_A/H
Vishay General Semiconductor - Diodes Division
1082
TPSMA10AHE3_A/H-DG
0.0520
Direct
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
DiGi Electronics는 가격이 저렴하면서도 사후 서비스가 뛰어나서 재구매 의사가 높아집니다. 기술적 문제도 빠르게 해결해줍니다.
de desembre 02, 2025
디지 일렉트로닉스에서 정말 친절한 고객 서비스 덕분에 쇼핑이 즐거웠어요. 상담원 분들이 항상 친절하고 세심하게 응대해주셔서 만족스럽습니다.
de desembre 02, 2025
Die Unterstützung nach dem Kauf war hervorragend. Der Versand war schnell und reibungslos.
de desembre 02, 2025
I’m always impressed by their ability to dispatch orders quickly, even for bulk purchases.
de desembre 02, 2025
The toughness of their components means I can count on long-lasting performance without worries.
de desembre 02, 2025
The reliable packaging design prevented damage, very reassuring.
de desembre 02, 2025
Their customer service team is incredibly knowledgeable and attentive, ensuring I get the support I need every time.
de desembre 02, 2025
I've been a satisfied customer for years, thanks to their reliable products and support.
de desembre 02, 2025
Fast delivery and quick problem resolution—exactly what I need for urgent projects.
de desembre 02, 2025
DiGi Electronics consistently maintains excellent inventory control, ensuring products are always available when needed.
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Frequently Asked Questions (FAQ)
What are the key design-in considerations when using the TPSMA10AHE3_B/H for automotive transient protection in a 12V system?
When designing in the TPSMA10AHE3_B/H for a 12V automotive application, ensure the normal operating voltage (typically up to ~14V during load dump or regenerative braking) remains below the 14.5V clamping voltage to avoid leakage or premature aging. Since the reverse standoff voltage is 8.65V, verify that system transients do not exceed this during normal operation. Use a series resistor if needed to limit leakage current. Also confirm PCB layout includes adequate creepage and clearance for high-energy transients, and leverage the AEC-Q101 qualification for long-term reliability in harsh environments. Monitor junction temperature given the -65°C to 185°C TJ range, especially in enclosed modules with limited airflow.
Can the TPSMA10AHE3_B/H replace the SMF10A in a space-constrained, high-reliability design and what are the risks?
While both the TPSMA10AHE3_B/H and SMF10A are unidirectional SMC/SMA TVS diodes with similar voltage ratings, replacing SMF10A (SOD-123FL package) with TPSMA10AHE3_B/H (DO-214AC/SMA) introduces a footprint mismatch—SMA is larger than SOD-123FL. Direct replacement risks mechanical incompatibility and board stress. Although TPSMA10AHE3_B/H offers higher peak pulse current (27.6A vs ~15A) and better AEC-Q101 robustness, ensure the design can accommodate the larger package. Also verify that the 14.5V clamping voltage won’t interfere with downstream ICs sensitive to overvoltage. Always perform thermal and surge testing post-replacement.
How does the TPSMA10AHE3_B/H perform under repeated IEC 61000-4-5 surge events and what derating is recommended?
The TPSMA10AHE3_B/H is rated for 400W peak pulse power (10/1000µs), suitable for limited duty-cycle surges. Under repeated IEC 61000-4-5 stress, derate the peak pulse current by at least 20% to avoid cumulative degradation—limit Ipp to 22A or less. Ensure thermal management includes copper pour for heat dissipation and allow cooldown between events. For applications expecting frequent surges (e.g., vehicle power lines), pair with upstream current-limiting components. Monitor VCL under pulse conditions to detect early aging, and leverage the AEC-Q101 qualification as an indicator of lifecycle reliability under stress.
What are the implications of using the TPSMA10AHE3_B/H in a high-temperature environment near 150°C ambient?
Operating the TPSMA10AHE3_B/H in ambient temperatures near 150°C requires careful thermal design due to its 185°C max TJ rating. At high ambient temps, even moderate power dissipation can push the junction limit. Reduce the average power exposure and avoid continuous leakage current flow. Use thermal vias and large copper areas to improve heat transfer. Additionally, high temperature accelerates wear-out mechanisms in Zener-type TVS diodes; limit long-term exposure above 125°C if possible. Validate performance under thermal cycling conditions typical in underhood automotive applications.
How does the clamping performance of the TPSMA10AHE3_B/H compare to the LittleFuse SMAJ10A in fast transient scenarios like ESD and EFT?
The TPSMA10AHE3_B/H and SMAJ10A both clamp at 14.5V max and handle 400W pulses, but the TPSMA10AHE3_B/H typically exhibits lower dynamic resistance, resulting in tighter clamping during fast transients like ESD (IEC 61000-4-2) and EFT (IEC 61000-4-4). This can offer better protection for sensitive downstream electronics. However, always validate with real waveform measurements on the target PCB. The TPSMA10AHE3_B/H’s AEC-Q101 qualification gives it an edge in automotive-grade reliability. During crossover design, ensure compatible footprint (both DO-214AC) and verify standoff voltage alignment with system needs.
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.
TPSMA10AHE3_B/H CAD Models
Vishay General Semiconductor - Diodes Division TPSMA10AHE3_B/H PCB symbols & footprints
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