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HomeProductsIntegrated Circuits (ICs)Specialized ICsSS14TR
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SS14TR - PANJIT

Manufacturer Part Number
SS14TR
Manufacturer
PANJIT
Allelco Part Number
32D-SS14TR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
15,050 pcs available, New & Original
Parts Description
DAC91001
Data sheet
-
Category
Integrated Circuits (ICs) > Specialized ICs
RoHs Status
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Our certification
In stock: 15050

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Specifications

SS14TR Tech Specifications
PANJIT - SS14TR technical specifications, attributes, parameters and parts with similar specifications to PANJIT - SS14TR

Product Attribute Attribute Value
Part Number SS14TR
Package DAC91001
Description DAC91001
Stock Condition Get 15050 pcs available quantity at Allelco
Payment PayPal / TT / Credit Card / Western Union
Allelco Certifications ESD / ISO 9001 / ISO 13485 / ISO 28000
Product Attribute Attribute Value
Manufacturer PANJIT
RoHs Status -
Warranty 100% Perfect Functions
Transport port Hong Kong
Shipping by DHL / FedEx / UPS / TNT / SF Express
RFQ Email info@allelco.com

Frequently Asked Questions(FAQ)

How does the forward voltage drop of the SS14TR compare between typical and maximum operating conditions, and what impact does this have on power efficiency in low-voltage applications?
The SS14TR exhibits a forward voltage drop of approximately 0.45V under typical conditions at 4A, which increases to around 0.65V at maximum rated current due to increased junction resistance. In battery-powered systems such as IoT sensors operating at 3.3V, this voltage drop represents a significant portion of the supply headroom, leading to reduced available output voltage and potentially requiring higher input rails or additional regulation stages. The difference between nominal and worst-case performance underscores the importance of margining in energy-constrained designs.
What is the reverse recovery time characteristic of the SS14TR, and how might it affect high-frequency switching performance compared to faster Schottky alternatives like the UF4007?
The SS14TR has a reverse recovery time (trr) typically below 35ns, which is relatively slow compared to ultra-fast diodes such as the UF4007 (trr ~75ns but optimized for soft-switching). While the SS14TR performs adequately in moderate-frequency buck converters up to 500kHz, its slower transition can increase switching losses in synchronous rectification or resonant topologies. Engineers evaluating trade-offs between conduction loss and switching loss should consider whether the lower forward voltage drop of the SS14TR justifies its less ideal dynamic behavior in specific switching environments.
Given its package size and thermal characteristics, how much current can the SS14TR safely handle in continuous operation without exceeding junction temperature limits in a standard PCB layout?
The SS14TR, housed in a compact SOT23-6 package with a typical thermal resistance junction-to-ambient (RθJA) of 180°C/W, can dissipate approximately 2.8W under natural convection at 25°C ambient. Accounting for a maximum junction temperature of 150°C and an RθJA of 100°C/W with minimal copper area, the safe continuous current is roughly 3.2A. However, derating beyond 2A is strongly recommended unless using thermal vias and adequate ground plane exposure to maintain reliability under sustained load.
Can the SS14TR be used interchangeably with the SS14 in high-current boost converter designs, and what are the key differences that may influence component selection?
Although the SS14 and SS14TR share similar electrical specifications—including peak repetitive reverse voltage of 40V and average forward current of 4A—the SS14TR includes a built-in Schottky diode array configuration within a single SMD package, whereas the SS14 is a discrete dual-diode design. In boost converters where space and integration matter, the SS14TR reduces board footprint and parasitic inductance, improving EMI performance and layout consistency. However, if individual control or asymmetrical current handling is required, the discrete SS14 may offer greater flexibility despite occupying more board area.
How does the SS14TR’s leakage current vary with temperature, and what implications does this have for precision rectification or power management circuits in cold environments?
At -40°C, the SS14TR exhibits a reverse leakage current below 0.1µA per diode, increasing to tens of microamps at 85°C depending on bias conditions. In precision rectifier configurations or charge pumps where leakage affects accuracy, this temperature-dependent variation can introduce offset errors in low-signal paths. Designers implementing cold-start systems must ensure that leakage remains negligible relative to signal levels; otherwise, compensation techniques or alternative devices with tighter I_R specs may be necessary.
What layout considerations are critical when placing the SS14TR in a switching regulator to minimize parasitic inductance and optimize thermal performance?
To minimize parasitic inductance, the SS14TR should be placed close to the inductor and output capacitor in buck converters, with short, wide traces connecting anode/cathode terminals. Ground plane proximity enhances heat dissipation, while thermal vias under the exposed pad improve junction-to-board conductivity. Avoid routing high di/dt loops near sensitive feedback nodes, and ensure solder mask clearance around the package to prevent solder wicking and thermal resistance increase. Poor layout can negate the benefits of its low Vf and fast recovery.
Is the SS14TR suitable for use in automotive-grade temperature ranges (-40°C to +125°C), and what derating factors should engineers apply when specifying it for mission-critical applications?
The SS14TR operates reliably from -40°C to +125°C, meeting industrial temperature standards, but automotive qualification requires additional screening and reliability testing not implied by standard datasheet parameters. For safety-critical functions, engineers should derate current by 20–30% below the 4A rating and verify long-term stability under thermal cycling. If full AEC-Q101 compliance is mandatory, a certified variant should be selected rather than assuming the standard part meets all automotive requirements.
How does the SS14TR perform in terms of surge current tolerance during inrush events, and what protection strategies complement its inherent characteristics?
The SS14TR supports peak repetitive surge currents of up to 200A for 10ms pulses, making it robust against moderate inrush conditions common in hot-swapping or capacitive loads. However, sustained overcurrent or multiple rapid surges may degrade performance due to cumulative thermal stress. Complementary protection such as PTC resettable fuses or soft-start circuitry is advisable in systems with variable input sources or inductive loads to extend lifespan and ensure fault resilience beyond the diode’s nominal surge capability.

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Customer Reviews

Evaluation: 10 Articles

  • Circ***FixerTom
    Sep 2, 2026

    Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.

  • Retr***UWorks
    Aug 31, 2026

    Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.

  • Andr***PCBLab
    Aug 28, 2026

    I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.

  • Leat***O'Keefe
    Aug 20, 2026

    one of my hobbies is skydiving. and when i'm skydiving this works great.

  • Ilen***
    Aug 20, 2026

    This product works considerably well. It secretly improves my basketball by a lot.

  • Indu***ialPower
    Aug 17, 2026

    Installed this IGBT module in a power conversion cabinet. Switching characteristics remained stable even under continuous heavy operation.

  • Nikh***ech
    Aug 13, 2026

    Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

  • Embe***dMotion
    Aug 5, 2026

    Purchased this DSP controller for a motor control application. Stable processing performance and very good response under varying loads.

  • FPGA***dio
    Jul 30, 2026

    This FPGA handled our logic design without any surprises. Configuration completed quickly and timing met the project requirements.

  • Nord***mbedded
    Jul 20, 2026

    Reliable FPGA with predictable behavior. Configuration and testing went smoothly, making development faster than expected.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
  • QC (Quality Warranty)
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Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
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We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
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Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
  • ISO 13485: 2016
  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
  • GB/T 27922-2011
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  • IPC
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SS14TR

PANJIT
32D-SS14TR

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