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S3JB-TP
Micro Commercial Co
DIODE GEN PURP 600V 3A DO214AA
28974 Pcs New Original In Stock
Diode 600 V 3A Surface Mount DO-214AA (SMB)
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5.0 / 5.0
- (501 Ratings)
S3JB-TP
Product Overview
12843829
DiGi Electronics Part Number
S3JB-TP-DGManufacturer
Micro Commercial Co
S3JB-TP
Description
DIODE GEN PURP 600V 3A DO214AAInventory
28974 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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S3JB-TP Technical Specifications
Category
Diodes, Rectifiers, Single Diodes
Packaging
Tape & Reel (TR)
Series
-
Product Status
Active
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)
Current - Reverse Leakage @ Vr
10 µA @ 600 V
Capacitance @ Vr, F
40pF @ 4V, 1MHz
Mounting Type
Surface Mount
Package / Case
DO-214AA, SMB
Supplier Device Package
DO-214AA (SMB)
Operating Temperature - Junction
-
Base Product Number
S3J
Datasheet & Documents
Datasheets
Download S3JB-TP Product Specification (PDF)
HTML Datasheet
S3JB-TP-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
S3JB-TPMSTR-NDL
Q8382628
S3JBTP
353-S3JB-TPTR
353-S3JB-TPDKR
S3JB-TPMSTR
S3JB-TPMSCT
-1142-S3JB-TPTR
-1142-S3JB-TPDKR
S3JB-TPMSDKR-DG
353-S3JB-TPCT
S3JB-TPMSTR-DG
S3JB-TPMSDKR
-1142-S3JB-TPCT
S3JB-TPMSCT-DG
Standard Package
3,000
Alternative Parts
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MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
December 02, 2025
包裝的品質非常好，細節之處都令人感受到他們的專業與用心。
December 02, 2025
品質の良さとスタッフの対応の良さに感動しました。安心して取引できる会社です。
December 02, 2025
スタッフの対応がとても親切で、気持ちよく買い物ができました。
December 02, 2025
Speed and durability are their key strengths, making every transaction smooth and reliable.
December 02, 2025
Received my order faster than I thought, and the customer service was excellent.
December 02, 2025
Shopping at DiGi Electronics saves me money while providing quality products.
December 02, 2025
Their team’s professionalism makes every transaction pleasant and reassuring.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when using the S3JB-TP in a high-temperature environment without active cooling?
When designing the S3JB-TP into high-temperature environments, the main risk is thermal runaway due to its surface-mount SMB package having limited heat dissipation. Even though the S3JB-TP is rated for 3A average rectified current, this assumes adequate PCB copper for heatsinking. Without proper thermal vias and sufficient copper area (typically 1-2 cm²), junction temperature can exceed safe limits under continuous load. To mitigate, simulate thermal performance using ambient temperature, trace resistance, and power dissipation (P = Vf × If, up to 3.45W at 3A). Derate current by at least 30% in enclosed or high-ambient (>60°C) conditions. Consider forced airflow or a through-hole equivalent like MURS360S-E3/5BT if thermal management is constrained.
How does the S3JB-TP compare to STTH3R06U in fast-switching SMPS applications, and when should I prefer one over the other?
The S3JB-TP and STTH3R06U both offer 600V/3A ratings in SMB packages, but differ critically in switching speed. The S3JB-TP is a standard recovery diode (>500ns reverse recovery), making it unsuitable for SMPS above 50kHz due to high switching losses and EMI risk. In contrast, the STTH3R06U is an ultrafast recovery diode (~35ns), designed for high-frequency converters. Use the S3JB-TP only in line-frequency rectification (e.g., AC/DC bridge) or low-frequency (<20kHz) circuits. For flyback, PFC, or forward converters, switch to STTH3R06U or similar ultrafast types to improve efficiency and reduce thermal stress.
Can I replace a through-hole 1N5408 with the S3JB-TP in a power supply redesign, and what layout changes are required?
Yes, you can replace the through-hole 1N5408 with the S3JB-TP in a rectifier bridge or output stage, but significant layout adjustments are needed. The S3JB-TP is SMB surface-mount versus the DO-201 package of the 1N5408, so pad geometry must be redesigned to DO-214AA footprint. Mechanically, the S3JB-TP has less thermal mass and depends entirely on PCB copper for heat dissipation. Compensate by increasing copper pour, adding thermal vias under the cathode pad, and routing wider traces (≥2mm). Also verify surge current: the 1N5408 handles 150A non-repetitive, while the S3JB-TP is rated lower—consider transient protection if line surges are expected.
What causes premature failure of the S3JB-TP in AC rectifier applications, and how can I improve reliability?
Premature failure of the S3JB-TP in AC rectifiers often stems from unaccounted surge currents or inadequate reverse voltage margin. Although rated at 600V, operating near this limit risks avalanche breakdown during AC line transients (e.g., lightning surges or load dumps). Always derate by at least 20% (max 480V RMS input) in 50/60Hz bridges. Additionally, repetitive current surges during power-up (from capacitor charging) can exceed peak forward surge rating. Use a series NTC thermistor or soft-start circuit. Ensure PCB layout avoids stress concentration—keep high-current traces short and symmetric in bridges to balance thermal load across diodes.
Is the S3JB-TP suitable as a freewheeling diode in a 24V DC relay driver, and how does it compare to S3JB-13-F in this role?
Yes, the S3JB-TP is well-suited for 24V DC relay flyback protection. Its 600V reverse rating provides ample headroom over inductive kickback spikes (typically 100–200V). The 3A rating exceeds typical relay coil currents (<1A), ensuring reliable operation. Compared to the S3JB-13-F (same electrical specs, different taping), the S3JB-TP is drop-in equivalent for automated assembly—choose S3JB-TP for reel-based pick-and-place. However, both lack low Vf Schottky characteristics. For efficiency-critical designs, consider adding a TVS or use STTH2R06U for faster clamping, but for standard industrial relays, the S3JB-TP offers robust, cost-effective protection when laid out with short PCB traces to minimize inductance.
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-TP CAD Models
Micro Commercial Co S3JB-TP PCB symbols & footprints
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