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Littelfuse 0229003HXP Slo-Blo Fuse

Littelfuse 229P/230P Slo-Blo fuses are subminiature glass body fuses designed for a wide range of applications, including telecom equipment and industrial circuits. Available in cartridge form or with axial leads, these fuses offer reliable overcurrent protection and the ability to withstand high current, short-duration pulses. The axial leaded versions are board washable, and sleeved fuses are also available. They comply with industry standards such as UL 1459 and Telcordia GR-1089-CORE, making them suitable for demanding environments. Indicating Slo-Blo fuses are also available, providing a visual indication of an open circuit.

Authorized Distributors
Source:Newark
Part No:0229003.HXP
Stock:1335
Inv Date:05-28-2026
Price: Unit price: $1.15
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Source:DigiKey
Part No:0229003.HXP
Stock:3035
Inv Date:05-28-2026
Price: Unit price: $1.15
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Part No:0229.003HXP
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.71
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Part No:0229003.HXP
Stock:54
Inv Date:05-28-2026
Price: Unit price: $1.08
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Part No:0229003.HXP
Stock:3185
Inv Date:05-28-2026
Price: Unit price: $0.31
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Part No:0229003.HXP
Stock:1149
Inv Date:05-29-2026
Price: N/A
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Littelfuse 0229003HXP 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/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
  • Peak Withstand Current (lp): 50 repetitions of a double exponential impulse wave
  • Materials: Glass Body, Nickel-Plated Brass Fuse Caps (Insulating sleeve option available)
  • Resistance to Soldering Heat: MIL-STD-202, Method 208
  • 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 download the 0229003HXP datasheet or visit the Littelfuse website for support.

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Littelfuse

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