Fairchild S3N 3A, 1200V Surface Mount Rectifier Data Manual
Summary
This high-performance, surface mount rectifier is designed for reliable power conversion in demanding electrical systems, rated for up to 1200V and 3A. The comprehensive manual provides essential technical data, including absolute maximum ratings, detailed thermal curves ($\theta_{JL}$/$\theta_{JA}$), forward voltage characteristics, and non-repetitive surge handling capabilities. It is engineered with a low-profile package and glass passivated junction for enhanced reliability. This resource is invaluable for electronics engineers and power system designers selecting high-integrity rectifier components for industrial or robust circuit applications.
Page 1 Text Content
S3N 3A , 1200V Surface M ount R ectifier
April 2009
S3N 3A, 1200V Surface Mount Rectifier Features Low Profile Package Glass Passivated Junction. High Breakdown Voltage Rating UL Flammability Classification 94V-0
ELECTRICAL SYMBOL
SMC/DO-214AB COLOR BAND DENOTES CATHODE DEVICE MARKING CODE : S3N
Absolute Maximum Ratings * Ta = 25°C unless otherwise noted Symbol Parameter Value Units VRRM Maximum Repetitive Reverse Voltage IF(AV) Average Rectified Forward Current, @ TA=100°C 3.0
Non-Repetitive Peak Forward Surge Current
8.3msec Single Half Sine Wave
Tstg Storage Temperature range -55 to +150 °C
TJ Operating Junction Temperature Range -55 to +150 °C * These ratings are limiting values above which the serviceability of any semiconductor device may be impaired.
Thermal Characteristics Ta = 25°C unless otherwise noted Symbol Parameter Typical Units RθJL Thermal Resistance, Junction to Lead °C/W RθJA Thermal Resistance, Junction to Ambient °C/W * Device mounted on FR-4 PCB with 0.4" x 0.4" (10mm x 10mm) Cu pad
Electrical Characteristics Ta = 25°C unless otherwise noted Symbol Parameter Conditions Min. Typ. Max. Units VF Forward Voltage IF = 3.0A 1.2 Trr Reverse Recovery Time IF = 0.5A, IR = 1.0A, Irr = 0.25A 2.5 μs
IR Reverse Current Vr = 1200V TA=25°C 5.0 μA
TA=125°C μA
CT Typical Junction Capacitance Vr = 4.0V , f = 1.0MHz p F
© 2009 Fairchild Semiconductor Corporation www.fairchildsemi.com S3N Rev. A
Page Summary Contents For Fairchild S3N 3A, 1200V Surface Mount Rectifier Data Manual
Manual Details
| Brand | Fairchild |
|---|---|
| Pages | 4 |
| File Size | 199.77 KB |
| Published | July 06, 2026 |
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Frequently Asked Questions
What are the absolute maximum operating temperature limits?
The Storage Temperature range is -55 to +150 °C, and the Operating Junction Temperature Range is also -55 to +150 °C.
Do I need special approval for life support applications?
Yes; Fairchild's products require explicit written approval from Fairchild Semiconductor Corporation for use in life support devices or systems.
Where can I buy genuine parts and avoid counterfeits?
It is recommended to purchase parts directly from Fairchild or from Authorized Fairchild Distributors listed on their website.
What determines product availability status?
The datasheet includes a 'Product Status Definition' detailing whether the product is Preliminary, Full Production, Obsolete, etc.