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Home > Products > Circuit Protection > Transient Voltage Suppressors (TVS) - TVS Diodes > SMF150CA-TP
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SMF150CA-TP

In Stock 380474 pcs Reference Price(In US Dollars)
5+
$0.0618
50+
$0.0604
150+
$0.0595
500+
$0.0586
Manufacturer Part Number:
SMF150CA-TP
Manufacturer / Brand
Micro Commercial Co
Part of Description:
Interface
Datasheets:
SMF150CA-TP.pdf
Lead Free Status / RoHS Status:
RoHS Compliant
Stock Condition:
New original, 380474 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number SMF150CA-TP
Manufacturer / Brand Micro Commercial Co
Stock Quantity 380474 pcs Stock
Category Circuit Protection > Transient Voltage Suppressors (TVS) - TVS Diodes
Description Interface
Lead Free Status / RoHS Status: RoHS Compliant
Voltage - Reverse Standoff (Typ) 150V
Voltage - Clamping (Max) @ Ipp 243V
Voltage - Breakdown (Min) 167V
Type Zener
Supplier Device Package SOD-123FL
Series -
Power Line Protection No
Power - Peak Pulse 200W
Package / Case SOD-123F
Package Bulk
Operating Temperature -65°C ~ 175°C (TJ)
Mounting Type Surface Mount
Current - Peak Pulse (10/1000µs) 700mA
Capacitance @ Frequency -
Bidirectional Channels 1
Base Product Number SMF150
Applications General Purpose

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



We accept the payment terms: Telegraphic Transfer(T/T), Credit Card, PayPal and Western Union.

PayPal:

PayPal Bank Information:
Company Name : IC COMPONENTS LTD
Paypal ID: Info@IC-Components.com

BANK TRANSFAR (Telegraphic Transfer)

Payment For Telegraphic Transfers:
Company Name : IC COMPONENTS LTD Beneficiary Account Number : 549-100669-701
Beneficiary Bank name : Bank of Communications (Hong Kong) Ltd Beneficiary Bank Code : 382 (for local payment)
Beneficiary Bank SWIFT : COMMHKHK
Beneficiary Bank Address : Tsuen Wan Market Street Branch 53 Market Street, Tsuen Wan N.T., Hong Kong

Any inquires or questions, please kindly contact us Email: Info@IC-Components.com


Frequently Asked Questions

What are the key design constraints when integrating the SMF150CA-TP bidirectional TVS diode into a surface-mount PCB layout for transient protection on a 150V nominal rail?
The SMF150CA-TP comes in the SOD-123FL package, which requires careful attention to trace inductance minimization between the protected line and the diode, as well as a low-impedance path to ground. Placement should occur close to potential transient entry points to reduce parasitic effects that can elevate the effective clamping voltage during fast transients. Wide traces for the current path and avoidance of long spurs help maintain the specified 243V maximum clamp at 700mA Ipp while preserving signal integrity on the line.
How does the 200W peak pulse power rating of the SMF150CA-TP influence its suitability for protecting interfaces exposed to occasional high-energy surges versus repetitive lower-energy events?
The SMF150CA-TP handles a single 10/1000µs pulse of 700mA with clamping to 243V, corresponding to its 200W rating. In applications with infrequent high-energy transients, this supports reliable operation within the -65°C to 175°C junction temperature range. For scenarios involving more frequent pulses, thermal dissipation through the SOD-123FL package and overall system cooling must keep the junction temperature below the maximum to prevent cumulative heating effects.
When considering the SMF150CA-TP for replacing a unidirectional TVS on a bidirectional signal or power line, what practical differences should an engineer evaluate?
The SMF150CA-TP provides symmetric bidirectional clamping with a 150V reverse standoff and 167V minimum breakdown, unlike unidirectional parts that clamp primarily in one polarity. Migration requires verifying that the 243V clamp level remains acceptable for the downstream components in both directions and confirming that the 1µA maximum reverse leakage at standoff does not affect the circuit bias conditions differently than the original part.
Is the SMF150CA-TP appropriate for long-term use in industrial equipment operating near 150V DC with potential inductive load switching?
In industrial settings with inductive switching that generates transients exceeding 150V, the SMF150CA-TP activates above its 167-185V breakdown range to limit voltage to 243V. The SOD-123FL package and 175°C maximum junction temperature support extended operation provided average power dissipation stays low and ambient conditions allow sufficient thermal margin over the device lifetime.
What configuration and I/O voltage considerations arise when using the SMF150CA-TP to protect lines that may see voltages up to 160V during normal operation?
With a 150V typical reverse standoff, the SMF150CA-TP maintains low leakage below the 167V minimum breakdown. Engineers should confirm that the maximum normal operating voltage on the line, including tolerances and ripple, stays under the standoff threshold to avoid unintended conduction, while ensuring the 243V clamp does not exceed the absolute maximum ratings of protected ICs or components.
How does the SMF150CA-TP compare to higher-power TVS diodes in SMA or SMB packages when space-constrained designs require migration to a smaller footprint?
The SMF150CA-TP in the compact SOD-123FL package delivers 200W peak pulse capability with a lower profile than many SMA or SMB alternatives. Trade-offs include reduced thermal mass, which may require more attention to PCB copper area for heat spreading during repeated surges, and a lower absolute Ipp rating of 700mA compared to larger-package devices rated for several amperes.
What operating condition boundaries should be reviewed before deploying the SMF150CA-TP in high-temperature industrial environments exceeding 125°C ambient?
The SMF150CA-TP supports junction temperatures up to 175°C. At elevated ambients, derating of the peak pulse power becomes necessary based on the package thermal resistance and available copper heatsinking on the board, ensuring that transient events do not push the device beyond its thermal limits during operation.
Can the SMF150CA-TP serve as a drop-in replacement for other 150V bidirectional TVS diodes from different manufacturers in existing designs?
Compatibility depends on matching the 150V standoff, 167-185V breakdown window, 243V clamp at 700mA, and SOD-123FL footprint. Differences in dynamic resistance, capacitance (though not specified), or slightly varying Ipp ratings may affect clamping behavior under specific waveform conditions, requiring bench validation of the transient response in the target circuit.
What reliability factors come into play when the SMF150CA-TP protects against surges in outdoor or vibration-prone industrial applications over many years?
The -65°C to 175°C operating range and bulk packaging of the SMF150CA-TP support exposure to wide temperature swings. Long-term performance relies on the device remaining within its rated peak pulse limits and the PCB assembly providing stable mechanical and thermal interfaces to the SOD-123FL package under vibration and thermal cycling.
In power supply or interface designs with potential for both positive and negative transients, what integration aspects make the bidirectional SMF150CA-TP preferable over two discrete unidirectional diodes?
The single-package bidirectional structure of the SMF150CA-TP simplifies layout by providing symmetric clamping in one SOD-123FL component, reducing board space and parasitic inductance compared to separate devices. This configuration maintains consistent 243V clamping behavior for transients of either polarity while keeping the part count and assembly steps lower.

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