SMAJ60CA >
SMAJ60CA
Good-Ark Semiconductor
TVS, BI-DIR, 400W, 60V, DO-214AC
17338 Pcs New Original In Stock
96.8V Clamp 4.1A Ipp Tvs Diode Surface Mount DO-214AC (SMA)
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SMAJ60CA Good-Ark Semiconductor
5.0 / 5.0 - (326 Ratings)

SMAJ60CA

Product Overview

3183973

DiGi Electronics Part Number

SMAJ60CA-DG
SMAJ60CA

Description

TVS, BI-DIR, 400W, 60V, DO-214AC

Inventory

17338 Pcs New Original In Stock
96.8V Clamp 4.1A Ipp Tvs Diode Surface Mount DO-214AC (SMA)
Quantity
Minimum 1

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SMAJ60CA Technical Specifications

Category Transient Voltage Suppressors (TVS), TVS Diodes

Manufacturer Good Ark Semiconductor

Packaging Cut Tape (CT) & Digi-Reel®

Series -

Product Status Active

Type Zener

Bidirectional Channels 1

Voltage - Reverse Standoff (Typ) 60V

Voltage - Breakdown (Min) 66.7V

Voltage - Clamping (Max) @ Ipp 96.8V

Current - Peak Pulse (10/1000µs) 4.1A

Power - Peak Pulse 400W

Power Line Protection No

Applications General Purpose

Capacitance @ Frequency -

Operating Temperature -55°C ~ 150°C (TJ)

Grade -

Qualification -

Mounting Type Surface Mount

Package / Case DO-214AC, SMA

Supplier Device Package DO-214AC (SMA)

Datasheet & Documents

HTML Datasheet

SMAJ60CA-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
4786-SMAJ60CATR
4786-SMAJ60CADKR
4786-SMAJ60CACT
Standard Package
15,000

Reviews

5.0/5.0-(Show up to 5 Ratings)
Conte***eRêves
Dec 02, 2025
5.0
Service de livraison très efficace, la commande est arrivée rapidement. La robustesse des composants garantit leur efficacité sur le long terme.
Joyf***aves
Dec 02, 2025
5.0
DiGi Electronics' products meet high standards, and their support is equally reliable.
Wand***reams
Dec 02, 2025
5.0
Their commitment to customer care is evident in their excellent after-sales service.
Wi***ky
Dec 02, 2025
5.0
物流速度令人满意,商品及时且完好无损到达。
Curi***Soul
Dec 02, 2025
5.0
Their competitive pricing helps me save significantly on my tech expenses.
Velv***rbit
Dec 02, 2025
5.0
The support staff provided me with clear and prompt assistance after my purchase, which made me trust their service even more.
Hap***rail
Dec 02, 2025
5.0
Fast processing and delivery make shopping with DiGi Electronics very convenient.
Sere***pirit
Dec 02, 2025
5.0
Super quick shipping! The logistics process was seamless from order to delivery.
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Frequently Asked Questions (FAQ)

Can the SMAJ60CA be safely used to protect a 48V industrial communication bus from inductive load transients, and what design risks should I consider given its 96.8V clamping voltage?

Yes, the SMAJ60CA can protect a 48V bus, but you must verify that your downstream circuitry tolerates up to 96.8V during a transient event—this is well above typical 58–60V TVS expectations. The risk lies in marginal overvoltage stress on sensitive ICs (e.g., PHYs or MCUs rated for ≤70V). Always validate with worst-case surge waveforms (e.g., IEC 61000-4-5) and consider adding a pre-regulator or series impedance to limit energy delivery. Also, ensure PCB creepage/clearance meets 100V+ spacing requirements due to clamping levels.

Is the SMAJ60CA a suitable drop-in replacement for the Littelfuse SMAJ58A in a 24V automotive power rail application, and what hidden compatibility issues might arise?

While both are SMA-packaged 400W bidirectional TVS diodes, the SMAJ60CA has a higher reverse standoff (60V vs. 58V) and breakdown voltage (66.7V min vs. 64.4V min), making it *electrically safer* for 24V systems with load-dump concerns. However, its clamping voltage (96.8V @ 4.1A) is slightly higher than the SMAJ58A’s (~93V), which could stress downstream components if they were borderline-rated. Confirm your system’s absolute max input voltage—especially for DC-DC converters or MOSFETs—before swapping. Thermal performance is comparable, but always revalidate under actual surge conditions.

How does the SMAJ60CA’s leakage current at 60V compare to competing TVS diodes like Vishay SMBJ60CA, and does it impact low-power standby modes in battery-operated devices?

The SMAJ60CA exhibits typical leakage in the low microamp range at 60V (per Good-Ark’s characterization), which is acceptable for most general-purpose applications. However, in ultra-low-power designs (e.g., IoT sensors with multi-year battery life), even µA-level leakage can significantly reduce runtime. Compared to the Vishay SMBJ60CA—which uses a larger SMB package and often shows lower leakage—the SMAJ60CA’s smaller SMA footprint trades off marginally higher leakage for space savings. If standby current is critical, measure actual leakage at your operating temperature (-55°C to 150°C range affects it) or consider lower-capacitance, lower-leakage alternatives like bidirectional Zeners with active clamps.

What PCB layout practices are essential when placing the SMAJ60CA near a connector for ESD and surge protection, and how can poor routing undermine its 400W peak pulse performance?

To fully leverage the SMAJ60CA’s 400W surge capability, place it as close as possible to the threat entry point (e.g., I/O connector) with minimal trace length between the protected line and TVS cathode. Use wide, short traces (≥20 mil) to reduce parasitic inductance, which can add voltage overshoot during fast transients (e.g., ESD or lightning surges). Avoid vias in the surge current path—they increase inductance and risk localized heating. Also, ensure the ground pad connects directly to a solid ground plane; a star-ground or fragmented return path can cause ground bounce, reducing effective clamping. Poor layout can turn a 400W-rated device into an ineffective protector due to added impedance.

Given the SMAJ60CA’s MSL-1 rating and RoHS3 compliance, is it suitable for high-reliability industrial systems operating in humid environments without additional conformal coating?

Yes, the SMAJ60CA’s MSL-1 (unlimited floor life) and RoHS3 compliance make it inherently robust for humid or harsh industrial environments *at the component level*. However, MSL-1 only guarantees solderability after moisture exposure—it doesn’t eliminate the risk of electrochemical migration or corrosion on the PCB under sustained high humidity (>85% RH) or condensation. For mission-critical systems (e.g., outdoor controllers or marine equipment), we still recommend conformal coating to protect the entire assembly, especially around the TVS terminals where high dv/dt transients can accelerate dendrite growth. The SMAJ60CA itself won’t fail, but system-level reliability depends on holistic environmental protection.

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