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    Part number
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    1. Home/
    2. All Categories/
    3. Circuit Protection/
    4. ESD Protection Diodes / TVS Diodes/
    5. 1.5KE91C Littelfuse

    1.5KE91C [Littelfuse]

    1.5KE91C
    1.5KE91C

    Part No:

    1.5KE91C

    Category:

    ESD Protection Diodes / TVS Diodes

    Manufacturer:

    Littelfuse

    Description:

    1500 Watt peak power transient voltage suppressors with voltage range from 6.8 to 440 Volts.

    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
    Peak Forward Surge Current
    200A
    Thermal Resistance Junction To Ambient
    82°C/W
    Power Dissipation
    6.5W
    Peak Pulse Power
    1500W
    Thermal Resistance Junction To Lead
    22°C/W
    Breakdown Voltage
    6.8V ~ 440V
    Peak Power Dissipation
    1500W
    Steady State Power Dissipation
    5.0W
    Peak Pulse Power Dissipation
    1500W
    Stand Off Voltage
    5.8V ~ 376V
    Forward Voltage
    3.5V/5.0V
    Operating Junction Temperature
    -50°C ~ +175°C
    Operating Temperature
    -55°C ~ +175°C
    Package
    DO-201AD (DO-27)
    RoHS Status
    RoHS Compliant
    Packing
    Tape and Reel (1200 pcs) or Bulk (500 pcs)
    RoHS Status
    Non-RoHS Compliant
    Storage Temperature
    -55°C ~ +175°C
    Weight
    0.045 ounce (1.2 grams)
    Moisture Sensitivity Level (MSL)
    N/A
    Halogen Free
    Yes
    Case
    Molded plastic
    Case Material
    UL 94V-0
    Clamping Time Bidirectional
    <5x10^-9 Seconds
    Clamping Time Unidirectional
    <1x10^-12 Seconds
    Current Squared Time
    166 A2S
    Dimensions
    Ø 5.4 x 7.5 mm
    ESD Protection
    30kV (Air), 30kV (Contact) per IEC-61000-4-2
    Flammability
    94V-0
    Forward Surge Current
    200A
    Forward Voltage Note
    VF=3.5V on 1.5KE6.8 thru 1.5KE200A devices and VF=5.0V on 1.5KE1100 thru 1.5KE400A devices (unidirectional only)
    Forward Voltage Unidirectional 1.5KE220 And Below
    3.5V
    Forward Voltage Unidirectional 1.5KE250 And Above
    5.0V
    Halogen Free Available
    Yes
    Hs Code
    85411000
    Impulse Repetition Rate
    0.01%
    Lead Length
    0.375 inch (9.5 mm)
    Marking
    Alpha-numeric
    Max Forward Voltage
    3.5/5.0 Volts
    Max Instantaneous Forward Voltage
    3.5V (Single Die), 5.0V (Stacked Die)
    Mounting Position
    Any
    Operating Junction And Storage Temperature Range Max
    +175°C
    Operating Junction And Storage Temperature Range Min
    -55°C
    Operating Temperature Range
    -65°C ~ +175°C
    Package Dimensions
    A: 1.000 in (25.40 mm) max, B: 0.285-0.375 in (7.20-9.50 mm), C: 0.038-0.042 in (0.96-1.07 mm), D: 0.190-0.210 in (4.80-5.30 mm)
    Peak Power
    1500W
    Peak Power Dissipation Min
    1500W
    Peak Pulse Power Dissipation Min
    15000W
    Polarity
    Color band denotes positive end (cathode) except bidirectional types
    Power Dissipation On Infinite Heat Sink
    6.5W
    Power Rating
    1500W
    Response Time Bidirectional
    5.0 ns
    Response Time Unidirectional
    1.0 ps
    Solder Temperature
    260°C for 10s
    Soldering Condition
    265°C/10S/9.5mm lead length at 5 lbs tension
    Soldering Peak Temperature
    260°C (reflow), 265°C (wave)
    Soldering Temperature
    260°C/10 seconds
    Steady Power Dissipation
    5.0W
    Steady State Power
    6.5W
    Steady State Power Dissipation TA25C
    1.52W
    Steady State Power Dissipation TL40C
    5W
    Storage Temperature Range
    -65°C ~ +175°C
    Terminals
    Plated axial leads, solderable per MIL-STD-750, Method 2026
    Ul File Number
    E211196
    Ul Flammability
    94V-O
    Voltage Range
    6.8 to 440 Volts

    Products Detail

    1500 Watt peak power transient voltage suppressors featuring excellent clamping capability, low zener impedance, and fast response time (typically less than 1.0ps). Available in normal and Pb-free (RoHS compliant) versions. Molded plastic case with axial leads, UL 94V-0 flame retardant epoxy, and high-temperature soldering capability.

    Key Features

    • 1500 Watts Surge Capability at 1ms
    • Excellent clamping capability
    • Low zener impedance
    • Fast response time: Typically less than 1.0ps
    • Typical IR less than 1mA above 10V
    • High temperature soldering guaranteed
    • Molded plastic case
    • UL 94V-0 flame retardant epoxy
    • Axial leads, solderable per MIL-STD-202
    • Color band denotes cathode end
    • Mounting position: Any
    • Weight: 1.20 grams
    • Available in normal and Pb-free (RoHS compliant) versions.

    Application scenarios

    • Over-voltage protection
    • ESD protection
    • Zener diodes
    • Free-wheeling diodes

    Documents

    Datasheets:

    1.5KE91C Datasheet
    Product FAQ

    1. Is 1.5KE91C available for RFQ?

    Yes. 1.5KE91C 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 1.5KE91C?

    Pricing for 1.5KE91C 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 1.5KE91C?

    1.5KE91C is a Littelfuse ESD Protection Diodes / TVS Diodes with Operating Junction And Storage Temperature Range Max: +175°C and Operating Junction And Storage Temperature Range Min: -55°C. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for 1.5KE91C?

    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 1.5KE91C 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 1.5KE91C?

    Yes. If 1.5KE91C is unavailable, obsolete, or does not meet your required lead time, we can help check similar Littelfuse ESD Protection Diodes / TVS Diodes parts or compatible alternatives.

    RFQ

    Part Number:

    1.5KE91C

    Manufacturer:

    Littelfuse

    Looking for Pricing? Contact us for volume pricing.

    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

    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.

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