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S3JB
onsemi
DIODE GEN PURP 600V 3A DO214AA
290493 Pcs New Original In Stock
Diode 600 V 3A Surface Mount DO-214AA (SMB)
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Minimum 1
5.0 / 5.0
- (128 Ratings)
S3JB
Product Overview
12847351
DiGi Electronics Part Number
S3JB-DGManufacturer
onsemi
S3JB
Description
DIODE GEN PURP 600V 3A DO214AAInventory
290493 Pcs New Original In Stock
Diode 600 V 3A Surface Mount DO-214AA (SMB)
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
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365 - Day Quality Guarantee - Every part fully backed.
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S3JB Technical Specifications
Category
Diodes, Rectifiers, Single Diodes
Packaging
Tape & Reel (TR)
Series
-
Product Status
Not For New Designs
Technology
Standard
Voltage - DC Reverse (Vr) (Max)
600 V
Current - Average Rectified (Io)
3A
Voltage - Forward (Vf) (Max) @ If
1.15 V @ 3 A
Speed
Standard Recovery >500ns, > 200mA (Io)
Reverse Recovery Time (trr)
1.5 µs
Current - Reverse Leakage @ Vr
10 µA @ 600 V
Capacitance @ Vr, F
18pF @ 0V, 1MHz
Grade
Automotive
Qualification
AEC-Q101
Mounting Type
Surface Mount
Package / Case
DO-214AA, SMB
Supplier Device Package
DO-214AA (SMB)
Operating Temperature - Junction
-55°C ~ 150°C
Base Product Number
S3J
Datasheet & Documents
Datasheets
Download S3JB Product Specification (PDF)
HTML Datasheet
S3JB-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
S3JBFSTR
S3JBFSDKR
S3JBFSCT
Standard Package
3,000
Alternative Parts
View DetailsPART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
MURS160-E3/52T
Vishay General Semiconductor - Diodes Division
25229
MURS160-E3/52T-DG
0.0007
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5.0/5.0-(Show up to 5 Ratings)
December 02, 2025
Qualität und Pünktlichkeit bei DiGi Electronics sind unübertroffen.
December 02, 2025
Their inventory availability allows us to operate smoothly without interruptions.
December 02, 2025
Outstanding after-sales support that makes us feel valued.
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Frequently Asked Questions (FAQ)
Can I use the S3JB diode as a drop-in replacement for the S2JHE3_A/H in an automotive power supply design, and what design risks should I consider?
The S3JB can generally replace the S2JHE3_A/H in automotive applications since both are AEC-Q101 qualified, rated at 600V, and share the DO-214AA (SMB) package. However, the S3JB has a longer reverse recovery time (trr = 1.5 µs) compared to the ultrafast S2JHE3_A/H (trr ~50ns), increasing switching losses in high-frequency designs. If your power supply operates above 50 kHz, consider thermal derating or switching to a faster alternative to avoid efficiency drops and junction overheating in the S3JB. Always verify layout thermal performance under peak load conditions.
What are the critical design-in considerations when using the S3JB in a 12V automotive engine control unit with high ambient temperatures?
When integrating the S3JB into a high-temperature automotive environment, ensure junction temperature stays below 150°C despite ambient conditions reaching 125°C under the hood. Since the S3JB is rated for -55°C to 150°C junction temperature, focus on PCB copper layout for heat dissipation—use thermal vias and sufficient copper mass. Also, derate the average rectified current (3A max) by at least 30% at high ambient temperatures to maintain reliability. Avoid tight clusters with other heat-generating components to prevent localized thermal runaway in the S3JB.
Is the S3JB suitable for replacing the MURS160-E3/52T in a noise-sensitive audio power supply, and how does its recovery speed impact EMI?
While the S3JB and MURS160-E3/52T both offer 600V/3A ratings and SMB packages, the S3JB’s standard recovery speed (1.5 µs trr) can generate higher EMI compared to the soft-recovery MURS160, which is optimized for low noise. In audio power supplies, this may introduce audible switching noise or ripple. If EMI is a concern, the S3JB is not ideal without additional filtering—a pi-filter or RC snubber across the S3JB may be required to suppress high-frequency transients caused by its abrupt reverse recovery characteristic.
How does the 'Not For New Designs' status of the S3JB affect long-term reliability and supply chain planning in a new automotive project?
The 'Not For New Designs' status for the S3JB indicates onsemi's recommendation to evaluate newer alternatives for future-proofing. While current stock is ample (290,474 pcs), long-term availability may be limited. For designs with 5+ year lifecycles, this poses supply chain risk. Consider fully pin-compatible and AEC-Q101 qualified substitutes like the S3JBH or RS2J-M3/52T early in development. If you must use the S3JB, secure extended buy agreements and validate second sources to mitigate obsolescence risks in production.
What layout and soldering best practices should I follow when mounting the S3JB in surface mount assembly to ensure mechanical and thermal reliability?
To ensure reliable S3JB performance in SMT assembly, follow IPC-7095 guidelines: use a thermal pad footprint with at least two thermal vias connected to a ground plane for heat dissipation. Ensure even solder paste deposition to prevent tombstoning during reflow—verified via SPI. Since the S3JB has MSL-1 rating, it can be stored indefinitely without baking, but confirm moisture barrier bag integrity before use. Use a temperature profile that adheres to J-STD-020, avoiding rapid ramp rates to prevent thermal shock or solder joint cracking under vibration in automotive environments.
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.
S3JB CAD Models
onsemi S3JB PCB symbols & footprints
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