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SM6S30AHE3_A/I
Vishay General Semiconductor - Diodes Division
TVS DIODE 30VWM 48.4VC DO218AB
4377 Pcs New Original In Stock
48.4V Clamp 95A Ipp Tvs Diode Surface Mount DO-218AB
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5.0 / 5.0
- (305 Ratings)
SM6S30AHE3_A/I
Product Overview
990087
DiGi Electronics Part Number
SM6S30AHE3_A/I-DGManufacturer
Vishay General Semiconductor - Diodes Division
SM6S30AHE3_A/I
Description
TVS DIODE 30VWM 48.4VC DO218ABInventory
4377 Pcs New Original In Stock
48.4V Clamp 95A Ipp Tvs Diode Surface Mount DO-218AB
CAD Models - PCB Symbols & Footprints
Quantity
Minimum 1
Minimum 1
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SM6S30AHE3_A/I 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)
30V
Voltage - Breakdown (Min)
33.3V
Voltage - Clamping (Max) @ Ipp
48.4V
Current - Peak Pulse (10/1000µs)
95A
Power - Peak Pulse
4600W (4.6kW)
Power Line Protection
No
Applications
-
Capacitance @ Frequency
-
Operating Temperature
-55°C ~ 175°C (TJ)
Grade
Automotive
Qualification
AEC-Q101
Mounting Type
Surface Mount
Package / Case
DO-218AB
Supplier Device Package
DO-218AB
Base Product Number
SM6S30
Datasheet & Documents
HTML Datasheet
SM6S30AHE3_A/I-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-SM6S30AHE3_A/ITR
SM6S30AHE3_A/I-DG
112-SM6S30AHE3_A/ICT
112-SM6S30AHE3_A/IDKR
Standard Package
750
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
다이기 일렉트로닉스의 신속한 배송 덕분에 업무가 원활히 진행됩니다. 정말 고마워요.
de desembre 02, 2025
가격 경쟁력과 친절한 서비스 덕분에 다시 찾고 싶어요. 정말 좋아요.
de desembre 02, 2025
Les délais de traitement de mes demandes après-vente ont été très courts, ce qui montre leur sérieux.
de desembre 02, 2025
Die Versandgeschwindigkeit bei DiGi Electronics ist wirklich außergewöhnlich – meine Bestellung kam innerhalb von 24 Stunden an.
de desembre 02, 2025
価格の魅力と物流の良さで何度もリピートしています。
de desembre 02, 2025
安心して購入できるお店です。対応も非常に親切でした。
de desembre 02, 2025
安心して任せられるアフターサービスと、手頃な価格が大きな魅力です。
de desembre 02, 2025
Their logistics and support teams work seamlessly to provide quick and reliable service.
de desembre 02, 2025
Innovative packaging design made unboxing an exciting experience that matched their cutting-edge electronics.
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Frequently Asked Questions (FAQ)
When designing in the SM6S30AHE3_A/I for automotive applications, how does its AEC-Q101 qualification impact long-term reliability under repeated thermal cycling in under-hood environments?
The SM6S30AHE3_A/I is AEC-Q101 qualified, which ensures it meets rigorous reliability standards for automotive applications, including resistance to thermal cycling, mechanical stress, and long-term degradation. When used in under-hood designs where temperatures can vary from -40°C to over 125°C ambient (with junction temperatures approaching 175°C), this qualification confirms that the device maintains stable clamping voltage and leakage current over time. To maximize reliability, ensure PCB layout includes adequate copper for heat dissipation and avoid placing the SM6S30AHE3_A/I near primary heat sources to prevent accelerated aging or thermal runaway during sustained surge events.
Can the SM6S30AHE3_A/I be used as a drop-in replacement for the Littelfuse SMAJ30A in 30V bias circuits, and what are the key differences in surge handling capability?
While both the SM6S30AHE3_A/I and SMAJ30A are unidirectional TVS diodes with a 30V reverse standoff voltage, the SM6S30AHE3_A/I has a higher peak pulse power rating (4.6kW vs. 400W for SMAJ30A) and peak pulse current (95A vs. 13.3A), making it significantly more robust in high-energy transients such as automotive load dump or ISO 7637-2 pulses. However, due to differences in package thermal mass and clamping characteristics, direct drop-in replacement is not recommended without reviewing duty cycle, board layout, and transient profile. The DO-218AB package of the SM6S30AHE3_A/I also provides better thermal performance than SMA, but mounting footprint differs, requiring PCB redesign.
What design considerations are critical when using the SM6S30AHE3_A/I for protecting a 24V CAN bus power rail against ISO 16750-2 electrical transients?
The SM6S30AHE3_A/I is suitable for safeguarding 24V systems against ISO 16750-2 test pulses like Load Dump (Pulse 5a) and Supply Reversal (Pulse 1), provided the protection circuit accounts for its 48.4V clamping voltage at 95A. Ensure downstream components have sufficient voltage margin (e.g., 60V-rated MOSFETs or regulators) to survive clamping without damage. Use a series fuse or PTC to limit follow-on current after transient suppression. Also, minimize trace inductance between the SM6S30AHE3_A/I and the power rail to prevent voltage overshoot during fast surges. Verify performance with actual pulse testing, as parasitic inductance can degrade the effective clamping behavior.
How does the high clamping voltage (48.4V max) of the SM6S30AHE3_A/I affect compatibility with downstream 48V-rated components in industrial motor control designs?
The SM6S30AHE3_A/I clamps transients up to 48.4V at 95A, which closely approaches the breakdown limit of many 50V or 60V-rated silicon devices (e.g., MOSFETs, gate drivers). In 48V industrial systems, this leaves minimal safety margin, increasing risk of overstress during repetitive surges. To mitigate risk, pair the SM6S30AHE3_A/I with downstream overvoltage protection like crowbar circuits or use a lower clamp TVS in a staged protection scheme. Alternatively, select higher-voltage-rated components (e.g., 80V or 100V) in critical paths to ensure lifetime reliability. Always verify worst-case voltage rise with oscilloscope measurements under real fault conditions.
What are the PCB layout best practices for maximizing the surge current handling and thermal performance of the SM6S30AHE3_A/I in a surface mount design?
To ensure the SM6S30AHE3_A/I achieves its rated 95A (10/1000µs) surge capability, PCB layout must minimize thermal and electrical impedance. Use wide, short traces (≥20 mils) to reduce inductance and resistive heating during fast transients. Connect the device to large copper pours (preferably on both layers with multiple vias) to assist heat dissipation during repetitive events. Avoid sharp trace bends or stubs, which can create impedance mismatches and increase localized voltage. Ensure solder fillets are full and void-free to maintain thermal integrity. Given its DO-218AB package and MSL 1 rating, moisture sensitivity is not a concern, but thermal relief on pads should still be optimized for reflow consistency and long-term mechanical reliability.
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.
SM6S30AHE3_A/I CAD Models
Vishay General Semiconductor - Diodes Division SM6S30AHE3_A/I PCB symbols & footprints
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