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    Part number
    Part number
    1. Home/
    2. All Categories/
    3. Passive Components/
    4. Audio Transformers / Signal Transformers/
    5. TX1287 PULSE

    TX1287 [PULSE]

    TX1287
    TX1287

    Part No:

    TX1287

    Category:

    Audio Transformers / Signal Transformers

    Manufacturer:

    PULSE

    Description:

    T1/CEPT/ISDN-PRI transformers for line interface applications, available in dual surface mount, single through hole, and dual through hole packages with isolation voltages of 1500Vrms or 3kVrms.

    RoHS Status:

    Product FAQ

    1. Is TX1287 available for RFQ?

    Yes. TX1287 by PULSE 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 TX1287?

    Pricing for TX1287 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 TX1287?

    TX1287 is a PULSE Audio Transformers / Signal Transformers with Common Mode Choke Operating Temperature Max: +70°C and Common Mode Choke Operating Temperature Min: 0°C. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for TX1287?

    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 TX1287 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 TX1287?

    Yes. If TX1287 is unavailable, obsolete, or does not meet your required lead time, we can help check similar PULSE Audio Transformers / Signal Transformers parts or compatible alternatives.

    RFQ

    Part Number:

    TX1287

    Manufacturer:

    PULSE

    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
    Common Mode Choke Ocl Range
    8.0 to 47.0µH
    Common Mode Choke Operating Temperature Max
    +70°C
    Common Mode Choke Operating Temperature Min
    0°C
    Common Mode Rejection Ratio (AT 1MHZ)
    >50 dB at 1MHz
    Flammability
    UL94-VO
    Isolation Voltage Reinforced
    3kVrms
    Isolation Voltage Standard
    1500Vrms
    Operating Temperature Extended
    -40°C ~ +85°C
    Operating Temperature Standard
    0°C ~ +70°C
    Package Dual Smt An Dimensions
    0.600 x 0.400 x 0.120 inches (max)
    Package Dual Smt An Packing
    Tube (30/tube) or Tape & Reel (250/reel)
    Package Dual Smt An Weight
    4.0 grams
    Package Dual Smt Bh Packing
    Tube (40/tube) or Tape & Reel (600/reel)
    Package Dual Smt Bh Weight
    1.0 grams
    Safety Agency
    UL recognized, certified for reinforced insulation
    Surge Voltage Longitudinal
    2400V peak
    Surge Voltage Metallic
    800V peak
    Ul Recognized
    Yes

    Products Detail

    These transformers are designed for T1, CEPT, and ISDN PRI line interfaces. They come in dual SMT (with both transmit and receive transformers), single through hole, and dual through hole packages. They are matched to leading transceiver ICs, offer 1500Vrms or 3kVrms isolation, are UL recognized, and have RoHS compliant versions.

    Key Features

    • Dual SMT package contains both transmit and receive transformers, Models matched to leading transceiver ICs, Isolation voltage: 1500Vrms or 3kVrms, UL recognized, RoHS compliant versions available, Extended and standard temperature ranges, Meet FCC part 68 longitudinal balance requirements, Common mode rejection ratio >50 dB at 1 MHz, Meet surge voltage tests (800V peak metallic, 2400V peak longitudinal), Flammability: UL94-VO, IEC 695-2-2

    Application scenarios

    • T1
    • CEPT
    • ISDN PRI interfaces

    Documents

    Datasheets:

    T1, Cept, ISDN-PRI XformersTX1287-Pulse-datasheet-5313595.pdfTX1287-Pulse-datasheet-118578.pdfTX1287-Pulse-datasheet-14185061.pdfTX1287-Pulse-datasheet-137334254.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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