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Littelfuse 0229035HXP Slo-Blo Fuse

LITTELFUSE 229P/230P Slo-Blo fuses are designed to provide reliable overcurrent protection in a compact size. These fuses combine conventional overcurrent protection with the ability to withstand high current, short duration pulses, making them suitable for demanding applications in the telecom industry and beyond. Available in cartridge or axial lead configurations, they offer versatility for various circuit designs. The indicating Slo-Blo fuse variant provides a visual indication of an open circuit, simplifying troubleshooting and maintenance.

Authorized Distributors
Source:Newark
Part No:022903.5HXP
Stock:275
Inv Date:05-28-2026
Price: Unit price: $1.15
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Source:DigiKey
Part No:022903.5HXP
Stock:180
Inv Date:05-28-2026
Price: Unit price: $1.15
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Part No:022903.5HXP
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.03
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Part No:022903.5HXP
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.375
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Part No:022903.5HXP
Stock:1
Inv Date:05-29-2026
Price: N/A
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Littelfuse 0229035HXP Slo-Blo Fuse Specifications:

  • Ampere Opening Rating Time: 100% 4 hours, Minimum 135% 1 hour, Maximum 200% 3 seconds, Minimum 20 seconds, Maximum
  • Agency Approvals: Listed by Underwriters Laboratories and Certified by CSA through 3.5 amperes. Recognized under the Components Program of Underwriters Laboratories from 4 through 7 amperes. 1 through 7 amperes approved by METI.
  • Agency File Numbers: UL E10480, CSA LR 29862
  • Interrupting Ratings (0.25–3.5A): 10,000 amperes at 125VAC
  • Interrupting Ratings (4–7A): 400 amperes at 125VAC
  • Interrupting Ratings (0.25–1A): 35 amperes at 250VAC
  • Interrupting Ratings (1.25–3.5A): 100 amperes at 250VAC
  • Packaging Options (230P Series): Tape and Reel per EIA-296 (add DRTIP suffix for 1500 pieces per reel)
  • Packaging Options (229P and 230P Series): Bulk packaging (add MXP suffix for 1000 pieces)
  • Operating Temperature: –55°C to 125°C
  • Shock: MIL-STD-202, Method 213, Test Condition I (100 G’s peak for 6 milliseconds)
  • Vibration: MIL-STD-202, Method 201 (10–55 Hz, 0.06 inches total excursion)
  • Salt Spray: MIL-STD-202 Method 101, Test Condition B (48 hours)
  • Insulation Resistance: MIL-STD-202, Method 302, Test Condition B
  • Wave Solder: 500°F(260°C), 3 seconds Max
  • Reflow Solder: Not recommended
  • Materials: Glass Body, Nickel-Plated Brass Fuse Caps (Insulating sleeve option available)
  • Peak Withstand Current (lp): 50 repetitions of a double exponential impulse wave (specific values vary by amperage rating - see datasheet)
  • Resistance to Soldering Heat: MIL-STD-202, Method 210A, Test Condition B (260°C, 3 Seconds)
  • Thermal Shock: MIL-STD-202, Method 107, Test Condition B (–65°C to 125°C)
  • Moisture Resistance: MIL-STD-202, Method 106 (90-98% RH, 65°C)
  • Solderability: MIL-STD-202, Method 208

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Frequently Asked Questions

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You can click on the BUY or RFQ button to purchase 0229035HXP from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 0229035HXP?

You can download the 0229035HXP datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 0229035HXP?

Littelfuse

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