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    1. Home/
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    3. Electromechanical/
    4. Relays, Contactors & Solenoids/
    5. THD2C433 Littelfuse

    THD2C433 [Littelfuse]

    THD2C433
    THD2C433

    Part No:

    THD2C433

    Category:

    Relays, Contactors & Solenoids

    Manufacturer:

    Littelfuse

    Description:

    The THD2 Series combines accurate timing circuitry with high power solid-state switching. It can switch motors, lamps, and heaters directly without a contactor.

    Datasheet:

    Product FAQ

    1. Is THD2C433 available for RFQ?

    Yes. THD2C433 by Littelfuse is available for RFQ. Submit your required quantity and our team will confirm real-time stock, lead time, and volume pricing.

    2. Why is there no fixed price for THD2C433?

    Pricing for THD2C433 can vary by order quantity, market availability, date code, packaging, and delivery destination. Request a quote to receive the latest volume pricing.

    3. What are the key specifications of THD2C433?

    THD2C433 is a Littelfuse Relays, Contactors & Solenoids with Maximum Load Current Steady State: 20A and Factory Calibration Tolerance: ≤ ±1%. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for THD2C433?

    Our sales team usually responds within 24 hours after receiving your RFQ. The quote may include stock status, unit price, lead time, shipping options, and available alternatives.

    5. How soon can THD2C433 be shipped?

    If stock is confirmed, in-stock parts can usually ship within 1–2 business days. Final lead time depends on quantity, stock source, and delivery destination.

    6. Can you suggest alternatives to THD2C433?

    Yes. If THD2C433 is unavailable, obsolete, or does not meet your required lead time, we can help check similar Littelfuse Relays, Contactors & Solenoids parts or compatible alternatives.

    RFQ

    Part Number:

    THD2C433

    Manufacturer:

    Littelfuse

    Looking for Pricing? Contact us for volume pricing.

    IMPORTANT NOTICE

    Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.

    Featured Product

    Stock Status:

    Available for RFQ

    Pricing:

    Request Volume Pricing

    Quote Response:

    Within 24 Hours

    Shipping:

    In-stock parts ship in 1–2 business days

    Specification

    Type
    Parameter
    Insulation Resistance
    ≥ 100MΩ
    Operating Humidity
    95% relative, non-condensing
    Operating Temperature
    -40°C ~ 60°C
    Weight
    ≅ 3.9 oz (111 g)
    Storage Temperature
    -40°C ~ 85°C
    Ac Line Frequency
    50/60Hz
    Dielectric Breakdown
    ≥ 2000V RMS
    Dimensions
    H 50.8 mm (2”); W 50.8 mm (2”); D 38.4 mm (1.51”)
    Factory Calibration Tolerance
    ≤ ±1%
    Input Tolerance
    ±20%
    Input Voltage
    24, 120, or 230VAC
    Maximum Load Current Inrush
    200A
    Maximum Load Current Steady State
    20A
    Minimum Load Current
    100mA
    Mounting Type
    Surface mount with one #10 (M5 x 0.8) screw
    Off State Leakage Current
    ≅ 5mA @ 230VAC
    Output Form
    NO, closed during timing
    Output Type
    Solid state
    Repeat Accuracy
    ±0.5% or 20ms, whichever is greater
    Reset Time
    ≤ 150ms
    THD2C420 Adjustment
    External
    THD2C420 Input Voltage
    120VAC
    THD2C420 Time Delay Range
    0.1 - 10s
    THD2C423 Adjustment
    External
    THD2C423 Input Voltage
    120VAC
    THD2C433 Adjustment
    Onboard
    THD2C433 Input Voltage
    120VAC
    THD2C620 Adjustment
    External
    THD2C620 Input Voltage
    230VAC
    THD2C620 Time Delay Range
    0.1 - 10s
    THD2C633 Adjustment
    Onboard
    THD2C633 Input Voltage
    230VAC
    Terminations
    0.25 in. (6.35 mm) male quick connect terminals
    Time Delay Range
    0.1s - 1000m in 6 adjustable ranges or fixed
    Time Delay Vs Temp Voltage
    ≤ ±2%
    Voltage Drop
    ≅ 2.5V at rated current

    Products Detail

    The THD2 Series is a dedicated interval time delay relay featuring microcontroller-based timing for high accuracy. It provides solid-state switching with high load currents up to 20A (200A inrush) for direct control of motors, lamps, and heaters without contactors. The series offers both onboard and external adjustment options, encapsulated construction for protection against shock/vibration/humidity, and compact low-profile design for OEM applications. Accessories include remote adjustment potentiometers and mounting hardware.

    Key Features

    • Repeat Accuracy ±0.5%, Microcontroller based, Factory calibration ±1%, High load currents up to 20A (200A inrush), Totally solid state and encapsulated, Compact low profile design, No moving parts to wear out, Facilitates heat transfer in high current applications, Accessories for remote adjustment

    Application scenarios

    • Industrial control
    • motor control
    • heating control
    • OEM applications

    Documents

    Datasheets:

    THD2 Series
    Shipping & Warranty

    Fast Dispatch: Ships in 5-7 days(in-stock parts within 1-2 days)

    Unishop Global Export: 1-7 days, $40.00

    Guaranteed Delivery: Door-to-door in 30 days

    Compliant Worldwide Shipping: DHL, FedEx, SF, and UPS.

    Feature

    • 30-Day Guarantee
      30-Day Guarantee
    • Fasted Delivery
      Fasted Delivery
    • Hassle-Free Returns
      Hassle-Free Returns
    • Secure payment method
      Secure payment method

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