Logo
Contact Us
Cookies Policy
Terms of Use
Privacy Policy
phone
Vivi (Sales)
phone
Ban (Sales)
phone
+86 755-2845-3125
RFQ List
  • open navigation menu
    • Logo
    • RFQ List
      • Manufacturers
      • Hot Products
      • RFQ
      • Blog
      • Tools
      • Sourcing Solutions
      • PCB/SMT
      • About Us
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    CONTACT US
    Customer Support:
    +86 755-2845-3125
    Room 2709B, 5A Office Building, Longguang Jiuzuan, Hongshan, Longhua District, Shenzhen, China
    [email protected]
    Company
    • Blog
    • About Us
    • Contact Us
    Resources
    • Categories
    • Manufacturers
    • Tools
    • RFQ
    Quick link
    • Privacy Policy
    • Terms of Use
    • Cookies Policy
    • Refund & Return Policy
    • Shipping & Delivery Policy
    Payment
    • Payment method
    • Payment method
    • Payment method
    • Payment method
    Logistics
    • Logistics partner
    • Logistics partner
    • Logistics partner
    • Logistics partner

    © 2026 Copyright. All Rights Reserved. Made by ICAllIn

    Part number
    Part number
    1. Home/
    2. All Categories/
    3. Passive Components/
    4. Resistors/
    5. WP4S-R27JA1 Welwyn

    WP4S-R27JA1 [Welwyn]

    WP4S-R27JA1
    WP4S-R27JA1

    Part No:

    WP4S-R27JA1

    Category:

    Resistors

    Manufacturer:

    Welwyn

    Description:

    Compact Flameproof Power Wirewound Resistors, WP-S Series, with enhanced pulse handling capability and small size for power rating.

    Datasheet:

    Product FAQ

    1. Is WP4S-R27JA1 available for RFQ?

    Yes. WP4S-R27JA1 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-R27JA1?

    Pricing for WP4S-R27JA1 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-R27JA1?

    WP4S-R27JA1 is a Welwyn Resistors with WP25S Limiting Element Voltage: 75V and WP1S Limiting Element Voltage: 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-R27JA1?

    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-R27JA1 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-R27JA1?

    Yes. If WP4S-R27JA1 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-R27JA1

    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

    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
    Temperature Coefficient
    <1R: 350ppm/°C, ≥1R: 200ppm/°C
    Resistance Tolerance
    1%, 2%, 5% (depending on model and resistance value)
    Ambient Temperature Range
    -55°C ~ +200°C
    Construction
    High purity ceramic substrate, interference fit end caps, welded terminations, resistive element wound on substrate, flameproof silicone cement coating
    Flammability
    The resistor coating will not burn or emit incandescent particles under any condition of applied temperature or power overload.
    Solvent Resistance
    The body protection and marking are resistant to all normal industrial cleaning solvents suitable for printed circuits.
    Standard Values
    E24 preferred
    Termination Material
    Hot tin dipped copper wire, meets IEC 68.2.21 and IEC 115-1 Clause 4.17.3.2
    WP1S 5s Overload Rating
    5W
    WP1S D Max
    2.8 mm
    WP1S D Nom
    0.6 mm
    WP1S F Min
    21.20 mm
    WP1S Isolation Voltage
    250V
    WP1S L Max
    6.2 mm
    WP1S Limiting Element Voltage
    50V
    WP1S Min Bend Radius
    0.6 mm
    WP1S PCB Mount Centres
    10.20 mm
    WP1S Power Rating
    1W
    WP1S Resistance Range
    R068 to 430
    WP1S Thermal Impedance
    140°C/watt
    WP1S Weight
    0.22 g
    WP25S 5s Overload Rating
    12.5W
    WP25S D Max
    4.5 mm
    WP25S F Min
    17.80 mm
    WP25S L Max
    12.5 mm
    WP25S Limiting Element Voltage
    75V
    WP25S PCB Mount Centres
    18.40 mm
    WP25S Power Rating
    2.5W
    WP25S Resistance Range
    R05 to 900
    WP25S Thermal Impedance
    90°C/watt
    WP25S Weight
    0.50 g
    WP2S 5s Overload Rating
    10W
    WP2S D Max
    3.6 mm
    WP2S F Min
    19.80 mm
    WP2S L Max
    9.0 mm
    WP2S Limiting Element Voltage
    50V
    WP2S PCB Mount Centres
    12.70 mm
    WP2S Power Rating
    2W
    WP2S Resistance Range
    R05 to 900
    WP2S Thermal Impedance
    110°C/watt
    WP2S Weight
    0.50 g
    WP3S 5s Overload Rating
    15W
    WP3S D Max
    5.2 mm
    WP3S D Nom
    0.8 mm
    WP3S F Min
    24.55 mm
    WP3S Isolation Voltage
    350V
    WP3S L Max
    14.5 mm
    WP3S Limiting Element Voltage
    100V
    WP3S Min Bend Radius
    1.2 mm
    WP3S PCB Mount Centres
    20.30 mm
    WP3S Power Rating
    3W
    WP3S Resistance Range
    R01 to 2K2
    WP3S Thermal Impedance
    82°C/watt
    WP3S Weight
    1.10 g
    WP4S 5s Overload Rating
    20W
    WP4S D Max
    5.6 mm
    WP4S F Min
    22.75 mm
    WP4S Isolation Voltage
    500V
    WP4S L Max
    13 mm
    WP4S Limiting Element Voltage
    100V
    WP4S PCB Mount Centres
    18.90 mm
    WP4S Power Rating
    4W
    WP4S Resistance Range
    R01 to 10K
    WP4S Thermal Impedance
    62°C/watt
    WP4S Weight
    1.00 g
    WP5S 5s Overload Rating
    25W
    WP5S D Max
    7.0 mm
    WP5S F Min
    23.55 mm
    WP5S L Max
    16.5 mm
    WP5S Limiting Element Voltage
    150V
    WP5S PCB Mount Centres
    22.86 mm
    WP5S Power Rating
    5W
    WP5S Resistance Range
    R015 to 6K8
    WP5S Thermal Impedance
    54°C/watt
    WP5S Weight
    1.75 g

    Products Detail

    The WP-S series are wirewound resistors designed for high power applications in a compact, flameproof package. They feature enhanced pulse handling capability, high reliability, and are available in power ratings from 1W to 5W. The resistors are constructed with a high purity ceramic substrate, interference fit end caps, and a flameproof silicone cement coating. They are RoHS compliant with Pb-free terminations and offer a wide ambient temperature range of -55°C to +200°C. Available in various lead forming options including radial, goalpost, lancet, and Z-form.

    Key Features

    • Enhanced pulse handling capability
    • Small size for power rating
    • Flameproof protection
    • RoHS compliant with Pb-free terminations
    • High isolation voltage (up to 500V)
    • Wide ambient temperature range (-55°C to +200°C)
    • Various lead forming options (radial, goalpost, lancet, Z-form)
    • Standard packaging: taped, boxed, or reel.

    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

    BEST SELL
    UCC28070APW

    UCC28070APW

    Texas Instruments

    BEST SELL
    MT48H32M16LFB4-6 IT:C

    MT48H32M16LFB4-6 IT:C

    Micron

    BEST SELL
    MT29F16G08ABACAWP-ITZ:C

    MT29F16G08ABACAWP-ITZ:C

    Micron

    BEST SELL
    MPU-6000EVB

    MPU-6000EVB

    TDK

    BEST SELL
    H9TQ26ADFTACUR-KUM

    H9TQ26ADFTACUR-KUM

    SK HYNIX

    BEST SELL
    MTFC4GACAJCN-4M IT

    MTFC4GACAJCN-4M IT

    Micron

    BEST SELL
    ACPL-P343-500E

    ACPL-P343-500E

    Broadcom

    BEST SELL
    K4FBE3D4HM-GHCL

    K4FBE3D4HM-GHCL

    SAMSUNG

    BEST SELL
    KHBBC4B03C-MC1K

    KHBBC4B03C-MC1K

    SAMSUNG

    BEST SELL
    H9TQ64A8GTDCUR-KUM

    H9TQ64A8GTDCUR-KUM

    SK HYNIX

    Related Information
    • Part Number
      Manufacturer
      Stock Status
      Pricing
      RoHS/Datasheet
    • PCF0603R-200RBT1
      Welwyn
      Available for RFQ
      Request Volume Pricing
    • GCR0805EW-150RFT3
      Welwyn
      Available for RFQ
      Request Volume Pricing
    • MFR4-560RFI
      Welwyn
      Available for RFQ
      Request Volume Pricing
    • RC55Y-49K9BI
      Welwyn
      Available for RFQ
      Request Volume Pricing
    • ULR1-R006FT2
      Welwyn
      Available for RFQ
      Request Volume Pricing
    • PCF0805R-37K4BT1
      Welwyn
      Available for RFQ
      Request Volume Pricing
    • PCF0603-13-100RBT1
      Welwyn
      Available for RFQ
      Request Volume Pricing
    • ASC0805-10RFT5
      Welwyn
      Available for RFQ
      Request Volume Pricing
    • PCF0805R8K06BI.T1
      Welwyn
      Available for RFQ
      Request Volume Pricing
    • PCF0805R-127RBT1
      Welwyn
      Available for RFQ
      Request Volume Pricing

    LRCS0603-0R025FT5

    LRCS0603-0R025FT5

    Welwyn

    PCF0603R-40K2BT1

    PCF0603R-40K2BT1

    Welwyn

    GCR2010EW4R7FT3

    GCR2010EW4R7FT3

    Welwyn

    ASC2010-100KFT4

    ASC2010-100KFT4

    Welwyn

    PCF0603R-392RBT1

    PCF0603R-392RBT1

    Welwyn

    ASC0402-68KFT10

    ASC0402-68KFT10

    Welwyn

    PCF0402PR-390RBT1

    PCF0402PR-390RBT1

    Welwyn

    ASC2010-4K7FT4

    ASC2010-4K7FT4

    Welwyn

    LRMAT2512-R012FT4

    LRMAT2512-R012FT4

    Welwyn

    HTCR0805EW-3M3FT3

    HTCR0805EW-3M3FT3

    Welwyn

    Antennas(0)Varistors(733)Potentiometers, Trimmers & Rheostats(714583)Frequency Control & Timing Devices(278095)Inductors, Chokes & Coils(245409)Capacitors(1762876)Filters(8091)Signal Conditioning(38)Antenna Accessories(0)Ferrites(20290)

    No recently viewed products