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HomeProductsIntegrated Circuits (ICs)Specialized ICs1SV134
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1SV134 - HITACHI

Manufacturer Part Number
1SV134
Manufacturer
HITACHI
Allelco Part Number
32D-1SV134
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
9,690 pcs available, New & Original
Parts Description
DAC91001
Data sheet
-
Category
Integrated Circuits (ICs) > Specialized ICs
RoHs Status
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In stock: 9690

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Specifications

1SV134 Tech Specifications
HITACHI - 1SV134 technical specifications, attributes, parameters and parts with similar specifications to HITACHI - 1SV134

Product Attribute Attribute Value
Part Number 1SV134
Package DAC91001
Description DAC91001
Stock Condition Get 9690 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 HITACHI
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 1SV134 Schottky diode perform in high-frequency switching applications, and what are its key electrical characteristics that influence switching speed?
The 1SV134 is optimized for high-speed switching due to its low junction capacitance and fast reverse recovery time, typically under 10 ns. These attributes reduce switching losses in RF and power converter circuits, making it suitable for applications such as buck converters operating above 1 MHz. Its forward voltage drop of approximately 0.3 V at moderate currents minimizes conduction losses, contributing to overall efficiency in continuous conduction mode designs.
What thermal considerations should be taken into account when using the 1SV134 in a compact SOT package for sustained operation?
Although the 1SV134 is housed in a small SOT package, its maximum average forward current is limited to 10 mA, which constrains power dissipation to around 3 mW even at room temperature. Engineers must ensure adequate airflow or thermal vias in PCB layouts to prevent junction temperature rise beyond 150°C. In most low-power signal rectification or clamping circuits, this limitation is acceptable with proper layout practices.
Can the 1SV134 be used interchangeably with the 1SS134 in precision timing circuits, and how do their reverse leakage currents compare?
While both diodes share similar voltage ratings, the 1SV134 exhibits slightly higher reverse leakage current—typically in the microampere range at 25°C—compared to the 1SS134’s sub-nanoampere levels. This difference can affect accuracy in high-impedance or charge-sensitive circuits such as integrator networks or sample-and-hold stages, where leakage dominates total off-state current.
What design trade-offs arise when selecting the 1SV134 over a standard silicon diode in analog signal conditioning paths?
Replacing a silicon diode with the 1SV134 reduces forward voltage by roughly 0.6 V, lowering signal attenuation in precision rectifiers. However, this benefit comes with increased sensitivity to ESD and reduced ruggedness in noisy environments. For battery-powered instrumentation where power efficiency outweighs robustness concerns, the 1SV134 offers superior performance, but not in industrial control systems requiring surge immunity.
How does the 1SV134 handle transient voltage spikes in automotive-grade sensor interfaces?
With a peak repetitive reverse voltage rating of 100 V, the 1SV134 can tolerate brief transients common in automotive LIN or CAN bus lines. However, its small die size limits surge energy handling to under 50 µJ, necessitating external TVS protection for ISO 7637-2 compliance. It serves best as a secondary clamp rather than primary surge suppression in harsh environments.
In what scenarios would replacing the 1SV134 with a higher-current Schottky be beneficial without altering circuit topology?
If the original design uses the 1SV134 for freewheeling in relay coils or inductive loads, upgrading to a device like the 1SV271 with 500 mA forward current may extend component life under intermittent high-load conditions. Yet, this substitution increases PCB real estate and may introduce parasitic inductance, potentially degrading high-frequency response in sensitive analog front ends.
What role does the 1SV134 play in RF detector and envelope detection circuits?
Due to its low junction capacitance (~3 pF) and consistent forward threshold, the 1SV134 acts effectively as a microwave mixer diode or peak detector in AM demodulators operating up to 1 GHz. Its symmetrical I-V characteristics minimize distortion during half-wave rectification, though temperature drift in output amplitude requires compensation in calibrated measurement instruments.
Why might engineers avoid using the 1SV134 in avalanche-rated protection circuits despite its high breakdown voltage?
Although the 1SV134 withstands 100 V reverse bias, it lacks controlled avalanche characteristics and cannot safely absorb repetitive energy pulses. Attempting to use it as a crowbar diode risks thermal runaway from localized heating during transient events. Protection circuits instead rely on dedicated transient suppressors with defined clamping voltages and energy ratings.

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Customer Reviews

Evaluation: 10 Articles

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

  • Kevi***.
    Mar 17, 2026

    Fast switching and stable output. Very satisfied with this IC

  • Daou***hekebkeb
    Jun 16, 2025

    I had a great experience purchasing items from Allelcoelec, I recommend

  • Uri ***al
    Jun 19, 2025

    Good comunication,
    Transpnt regarding the process and price.

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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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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.


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Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
  • ISO 13485: 2016
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  • ISO 28000: 2007
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1SV134

HITACHI
32D-1SV134

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