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    1. Home/
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    5. WP4S-100RJA1 Welwyn

    WP4S-100RJA1 [Welwyn]

    WP4S-100RJA1
    WP4S-100RJA1

    Part No:

    WP4S-100RJA1

    Category:

    Resistors

    Manufacturer:

    Welwyn

    Description:

    Compact Flameproof Power Wirewound Resistors from Welwyn Components WP-S Series.

    RoHS Status:

    Product FAQ

    1. Is WP4S-100RJA1 available for RFQ?

    Yes. WP4S-100RJA1 by Welwyn 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 WP4S-100RJA1?

    Pricing for WP4S-100RJA1 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 WP4S-100RJA1?

    WP4S-100RJA1 is a Welwyn Resistors with Limiting Element Voltage WP25S: 75V and Limiting Element Voltage WP1S: 50V. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for WP4S-100RJA1?

    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 WP4S-100RJA1 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 WP4S-100RJA1?

    Yes. If WP4S-100RJA1 is unavailable, obsolete, or does not meet your required lead time, we can help check similar Welwyn Resistors parts or compatible alternatives.

    RFQ

    Part Number:

    WP4S-100RJA1

    Manufacturer:

    Welwyn

    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

    Datasheet:

    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
    RoHS Status
    RoHS Compliant
    RoHS Status
    RoHS Compliant
    Packing
    Taped (standard), alternative packaging available
    Ambient Temperature
    -55°C ~ +200°C
    Diameter Max WP1S
    2.8 mm
    Diameter Max WP25S
    4.5 mm
    Diameter Max WP2S
    3.6 mm
    Diameter Max WP3S
    5.2 mm
    Diameter Max WP3SR
    5.2 mm
    Diameter Max WP4S
    5.6 mm
    Diameter Max WP5S
    7.0 mm
    Diameter Max WPP2R
    4.0 mm
    Isolation Voltage WP1S
    250V
    Isolation Voltage WP3S
    350V
    Isolation Voltage WP4S
    500V
    Length Max WP1S
    6.2 mm
    Length Max WP25S
    12.5 mm
    Length Max WP2S
    9.0 mm
    Length Max WP3S
    14.5 mm
    Length Max WP3SR
    14.5 mm
    Length Max WP4S
    13 mm
    Length Max WP5S
    16.5 mm
    Length Max WPP2R
    10.0 mm
    Limiting Element Voltage WP1S
    50V
    Limiting Element Voltage WP25S
    75V
    Limiting Element Voltage WP2S
    50V
    Limiting Element Voltage WP3S
    100V
    Limiting Element Voltage WP4S
    100V
    Limiting Element Voltage WP5S
    150V
    Overload Rating 5s WP1S
    5W
    Overload Rating 5s WP25S
    12.5W
    Overload Rating 5s WP2S
    10W
    Overload Rating 5s WP3S
    15W
    Overload Rating 5s WP4S
    20W
    Overload Rating 5s WP5S
    25W
    Power Rating 25C WP1S
    1W
    Power Rating 25C WP25S
    2.5W
    Power Rating 25C WP2S
    2W
    Power Rating 25C WP3S
    3W
    Power Rating 25C WP4S
    4W
    Power Rating 25C WP5S
    5W
    Resistance Range WP1S
    R068 to 430
    Resistance Range WP25S
    R05 to 900
    Resistance Range WP2S
    R05 to 900
    Resistance Range WP3S
    R01 to 2K2
    Resistance Range WP4S
    R01 to 10K
    Resistance Range WP5S
    R015 to 6K8
    TCR <1R
    350ppm/°C
    TCR ≥1R
    200ppm/°C
    Thermal Impedance WP1S
    140°C/watt
    Thermal Impedance WP25S
    90°C/watt
    Thermal Impedance WP2S
    110°C/watt
    Thermal Impedance WP3S
    82°C/watt
    Thermal Impedance WP4S
    62°C/watt
    Thermal Impedance WP5S
    54°C/watt
    Weight WP1S
    0.22 g
    Weight WP25S
    0.50 g
    Weight WP2S
    0.50 g
    Weight WP3S
    1.10 g
    Weight WP4S
    1.00 g
    Weight WP5S
    1.75 g

    Products Detail

    Wirewound resistors featuring flameproof silicone cement coating, enhanced pulse handling capability, small size for power rating, and RoHS compliance with Pb-free terminations. Construction includes high purity ceramic substrate with interference fit end caps, welded terminations, and indelible ink marking. Designed for high reliability and pulse energy applications.

    Key Features

    • Enhanced pulse handling capability
    • Small size for power rating
    • Flameproof construction
    • RoHS compliant with Pb-free terminations
    • Terminations: Hot tin dipped copper wire meeting IEC 68.2.21 and IEC 115-1
    • Solvent resistance
    • Performance data: load, dry heat, short term overload, derating, climatic, TRC & vibration, robustness & solder heat, long term damp heat
    • Pulse performance with energy capacity limits.

    Documents

    datasheets:

    ttelectronicswelwyncomponents-wp4sr082ja1-datasheets-3029.pdf
    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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