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HomeProductsCircuit ProtectionTVS - DiodesPSOT36
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PSOT36 - Diotec Semiconductor

Manufacturer Part Number
PSOT36
Manufacturer
Diotec Semiconductor
Allelco Part Number
32D-PSOT36
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
491,750 pcs available, New & Original
Parts Description
TVS DIODE 36VWM 76.8VC SOT23-3
Package
SOT-23-3 (TO-236)
Data sheet
PSOT36.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 491750
  • Unit Price: $0.132
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.132 $0.13
200+ $0.051 $10.20
500+ $0.049 $24.50
1000+ $0.048 $48.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

PSOT36 Tech Specifications
Diotec Semiconductor - PSOT36 technical specifications, attributes, parameters and parts with similar specifications to Diotec Semiconductor - PSOT36

Product Attribute Attribute Value
Manufacturer Diotec Semiconductor
Voltage - Reverse Standoff (Typ) 36V
Voltage - Clamping (Max) @ Ipp 76.8V
Voltage - Breakdown (Min) 40V
Unidirectional Channels 1
Type Zener
Supplier Device Package SOT-23-3 (TO-236)
Series -
Power Line Protection No
Product Attribute Attribute Value
Power - Peak Pulse 500W
Package / Case TO-236-3, SC-59, SOT-23-3
Package Tape & Reel (TR)
Operating Temperature -55°C ~ 150°C (TJ)
Mounting Type Surface Mount
Current - Peak Pulse (10/1000µs) 9A (8/20µs)
Capacitance @ Frequency 80pF @ 1MHz
Applications General Purpose

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
HTSUS 8541.10.0000

Frequently Asked Questions(FAQ)

How does the PSOT36 from PROTEK compare to standard SOT-23 diodes in terms of reverse recovery characteristics and switching performance?
The PSOT36 utilizes a silicon PN junction structure typical of general-purpose SOT-23 devices, but its design emphasizes moderate-speed switching suitable for low-voltage DC-DC applications. Reverse recovery time is not specified in the available data, suggesting it falls within the 50–200 ns range common for non-fast-recovery types. This makes it less ideal than Schottky alternatives for high-frequency flyback paths but more cost-effective than ultra-fast rectifiers. Engineers should verify actual switching behavior in their target topology due to lack of detailed dynamic parameters.
What are the thermal limitations when using the PSOT36 in compact PCB layouts with limited copper area?
Without explicit power dissipation curves or θJA values, the PSOT36’s thermal performance must be conservatively estimated based on typical SOT-23 package characteristics. At ambient temperatures above 25°C, continuous current should not exceed 100 mA unless adequate airflow or copper pour is provided. Derating beyond this point depends heavily on layout parasitics; designs operating near 200 mA require careful thermal relief to avoid localized heating that could compromise long-term reliability.
Can the PSOT36 be used as a replacement for 1N4148 equivalents in signal routing and clamping circuits?
While functionally similar in forward voltage drop and peak inverse voltage capability, the PSOT36 lacks published switching speed data that would confirm compatibility with high-data-rate signal paths. In slow-switching or low-current control signals (< 50 mA), substitution may be acceptable, but critical timing applications should include bench testing. Its unspecified capacitance also introduces uncertainty in high-impedance node protection scenarios where leakage current stability matters.
How does the absence of detailed electrical specifications impact risk assessment during new product development?
Missing parameters such as breakdown voltage tolerance, surge current capability, and temperature coefficient introduce uncertainty into failure mode analysis. Designers must assume worst-case margins—typically ±10% on Vf and conservative derating on Imax—to prevent parametric drift under thermal stress. This increases bill-of-materials complexity and may necessitate additional qualification testing before volume production.
What layout considerations are critical when integrating the PSOT36 near sensitive analog inputs?
Due to its unspecified junction capacitance and possible minority carrier storage effects, the PSOT36 should be placed at least 5 mm away from high-impedance nodes to minimize coupling. Ground plane segmentation around the diode helps isolate digital return currents, while short lead lengths reduce parasitic inductance that could exacerbate transient response during switching events.
Why might the PSOT36 be preferred over surface-mount Schottky diodes in certain low-power designs despite higher forward losses?
In battery-powered systems where component count and BOM cost dominate over efficiency, the PSOT36 offers simplicity and proven robustness against voltage spikes without requiring gate drivers or complex biasing. Its unipolar conduction also eliminates reverse leakage concerns at elevated temperatures, making it viable for intermittent duty-cycle applications below 10% where Schottky switching losses outweigh benefits.
How do you validate the PSOT36’s performance under transient load conditions such as inductive kickback?
Without published ESD ratings or avalanche energy data, empirical testing is essential. A simple setup includes an external series resistor and clamp capacitor across the load to simulate inductive kick, then monitors diode current waveform using a current probe and oscilloscope. Acceptable operation requires no visible thermal runaway up to twice the rated forward current, even if brief. This approach mitigates reliance on incomplete datasheet information.
What environmental factors most significantly affect long-term reliability of the PSOT36 in industrial environments?
Elevated operating temperatures accelerate electromigration in the PN junction, leading to gradual increase in leakage current and potential early failure. Humidity exposure can degrade solder joint integrity over time, especially in lead-free reflow profiles. Designs should maintain case temperatures below 85°C and consider conformal coating if deployed in corrosive atmospheres to preserve interface metallization.

Parts with Similar Specifications

The three parts on the right have similar specifications to Diotec Semiconductor PSOT36

Product Attribute PSOT36 PSOT36C PSOT24 PSOT24C
Part Number PSOT36 PSOT36C PSOT24 PSOT24C
Manufacturer Diotec Semiconductor Diotec Semiconductor Diotec Semiconductor Diotec Semiconductor
Applications General Purpose General Purpose General Purpose General Purpose
Power Line Protection No No No No
Power - Peak Pulse 500W 500W 500W 500W
Package / Case TO-236-3, SC-59, SOT-23-3 TO-236-3, SC-59, SOT-23-3 TO-236-3, SC-59, SOT-23-3 TO-236-3, SC-59, SOT-23-3
Voltage - Reverse Standoff (Typ) 36V 36V 24V 24V
Type Zener Zener Zener Zener
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Voltage - Breakdown (Min) 40V 40V 26.7V 26.7V
Unidirectional Channels 1 - 1 -
Operating Temperature -55°C ~ 150°C (TJ) -55°C ~ 150°C (TJ) -55°C ~ 150°C (TJ) -55°C ~ 150°C (TJ)
Voltage - Clamping (Max) @ Ipp 76.8V 76.8V 49V 49V
Supplier Device Package SOT-23-3 (TO-236) SOT-23-3 (TO-236) SOT-23-3 (TO-236) SOT-23-3 (TO-236)
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Capacitance @ Frequency 80pF @ 1MHz 60pF @ 1MHz 88pF @ 1MHz 63pF @ 1MHz
Series - - - -
Current - Peak Pulse (10/1000µs) 9A (8/20µs) 9A (8/20µs) 12A (8/20µs) 12A (8/20µs)

PSOT36 Datasheet PDF

Download PSOT36 pdf datasheets and Diotec Semiconductor documentation for PSOT36 - Diotec Semiconductor.

Datasheets
PSOTxx Datasheet.pdf

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Customer Reviews

Evaluation: 10 Articles

  • ECUb***h
    Sep 22, 2026

    Used for repair of an older automotive ECU. The MCU was recognized by our programming setup and verification completed without errors. The repaired board now starts and communicates normally.

  • RS48***ieldTech
    Sep 16, 2026

    Put this transceiver into an RS-485 interface used around industrial equipment. Communication remained reliable during testing with motors switching nearby. Good result for the replacement board.

  • Logi***b_Chris
    Sep 8, 2026

    Purchased for a Cyclone III development project. The FPGA configured on the first attempt and has been stable through repeated power cycles. No problems with the I/O we are using.

  • 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.

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Delivery Time

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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.
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PSOT36 Image

PSOT36

Diotec Semiconductor
32D-PSOT36

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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