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    Part number
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    1. Home/
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    3. Passive Components/
    4. Audio Transformers / Signal Transformers/
    5. T4031 PULSE

    T4031 [PULSE]

    T4031
    T4031

    Part No:

    T4031

    Category:

    Audio Transformers / Signal Transformers

    Manufacturer:

    PULSE

    Description:

    ISDN U-Interface transformers in small surface mount package for 2B1Q and 4B3T coding applications.

    Datasheet:

    Product FAQ

    1. Is T4031 available for RFQ?

    Yes. T4031 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 T4031?

    Pricing for T4031 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 T4031?

    T4031 is a PULSE Audio Transformers / Signal Transformers with T4031 Longitudinal Balance: 281Hz to 40kHz @ 55 dB MIN and T4032 Longitudinal Balance: 20kHz to 150kHz @ 40 dB MIN. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for T4031?

    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 T4031 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 T4031?

    Yes. If T4031 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:

    T4031

    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

    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
    Isolation Voltage
    1500 Vrms
    Packing
    Tray; Tape and Reel (optional)
    T4031 DCR Chip Side Max
    7.00Ω
    T4031 DCR Line Side Max
    14.00Ω
    T4031 Idc
    50mA
    T4031 Longitudinal Balance
    281Hz to 40kHz @ 55 dB MIN
    T4031 OCL Max
    18mH
    T4031 OCL Min
    13mH
    T4031 Return Loss
    10kHz to 25kHz @ 20 dB MIN
    T4031 Turns Ratio
    1.65CS:1CT
    T4032 DCR Chip Side Max
    4.40Ω
    T4032 DCR Line Side Max
    6.40Ω
    T4032 Idc
    50mA
    T4032 Longitudinal Balance
    20kHz to 150kHz @ 40 dB MIN
    T4032 OCL Max
    16.1mH
    T4032 OCL Min
    11.9mH
    T4032 Return Loss
    15kHz to 50kHz @ 16 dB MIN
    T4032 Turns Ratio
    1.25CS:1CT
    T4033 DCR Chip Side Max
    10.65Ω
    T4033 DCR Line Side Max
    15.66Ω
    T4033 Idc
    40mA
    T4033 Longitudinal Balance
    281Hz to 40kHz @ 55 dB MIN
    T4033 OCL Max
    30.5mH
    T4033 OCL Min
    25.5mH
    T4033 Return Loss
    10kHz to 25kHz @ 20 dB MIN
    T4033 Turns Ratio
    1.25CS:1CT
    T4043 DCR Chip Side Max
    3.50Ω
    T4043 DCR Line Side Max
    7.00Ω
    T4043 Idc
    50mA
    T4043 Longitudinal Balance
    281Hz to 40kHz @ 55 dB MIN
    T4043 OCL Max
    16.5mH
    T4043 OCL Min
    13.5mH
    T4043 Return Loss
    10kHz to 25kHz @ 20 dB MIN
    T4043 Turns Ratio
    2CS:1CS
    T4067 DCR Chip Side Max
    2.50Ω
    T4067 DCR Line Side Max
    3.20Ω
    T4067 Idc
    55mA
    T4067 Longitudinal Balance
    15kHz to 50kHz @ 40 dB MIN
    T4067 OCL Max
    8.3mH
    T4067 OCL Min
    7.5mH
    T4067 Return Loss
    15kHz to 50kHz @ 16 dB MIN
    T4067 Turns Ratio
    1.32CS:1
    Weight
    6.7 grams

    Products Detail

    Small surface mount transformers designed for ISDN U-Interface applications, meeting standards for longitudinal balance, linearity and return loss. Features include compact footprint and minimum isolation of 1500 Vrms. Available in multiple turns ratios and inductance values for various ISDN chipsets.

    Key Features

    • Small surface mount package
    • Compact footprint
    • Minimum isolation: 1500 Vrms
    • Meets standards for longitudinal balance, linearity and return loss
    • Available in multiple turns ratios and inductance values

    Application scenarios

    • ISDN U-Interface
    • 2B1Q and 4B3T Coding

    Documents

    Datasheets:

    T4031-Pulse-datasheet-8636378.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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