TUV UL PSE Ceramic Tube Miniature Cartridge Fuse 30A 250V with 38mm Axial Leads - UL-248-14 Standard
Price:
0.26USD/PC
MOQ:
9000PCS
Delivery Time:
2 Weeks
Brand:
Betterfuse
Product Description
Product Overview
This TUV UL PSE certified ceramic tube miniature cartridge fuse features a 30A rating at 250V with 38mm axial leads. Designed for reliable circuit protection in demanding industrial applications.
Key Specifications
Electrical Ratings
- Rated Current: 30A
- Rated Voltage: 250V
- Type: Time-Lag (T)
- Standard: UL-248-14
Physical Construction
- Tube Material: Ceramic
- End Caps: Nickel plated brass
- Axial Leads: Nickel plated caps with tin plated copper wires
- Lead Length: 38mm
Environmental Specifications
- Operating Temperature: -55℃ to +125℃
- Storage Conditions: +10℃ to +60℃
- Relative Humidity: ≤75% yearly average
- Vibration Resistance: 24 cycles at 15 min each (10-60Hz at 0.75mm amplitude, 60-2000Hz at 10g acceleration)
Soldering Parameters
- Wave Soldering: 260℃ ≤ 5 sec
- Hand Soldering: 350℃ ≤ 3 sec
- Soldering Peak: 260℃ for 10 sec (IEC 60068-20)
Product Dimensions
Time vs Current Characteristics (UL248-14)
| Rated Current | 100% | 135% | 200% |
|---|---|---|---|
| 500mA~30A | >4h | <1h | 5s~60s |
Electrical Characteristics at 25℃
| Rated Current | Typical Cold Resistance (mΩ) | Nominal Melting I²t (A²sec) | Breaking Capacity |
|---|---|---|---|
| 500mA | 1000.0 | 0.49 | 10KA/125V AC 35A/250V AC |
| 630mA | 840.0 | 1.10 | |
| 800mA | 517.0 | 1.96 | |
| 1A | 353.0 | 4.84 | 10KA/125V AC 100A/250V AC |
| 1.25A | 228.0 | 6.76 | |
| 1.6A | 210.0 | 28.62 | |
| 2A | 123.3 | 30.25 | |
| 2.5A | 85.00 | 47.61 | |
| 3A | 80.23 | 121 | |
| 3.15A | 76.46 | 132 | |
| 4A | 37.50 | 324 | 10KA/125V AC 200A/250V AC |
| 5A | 34.00 | 361 | |
| 6A | 28.5 | 462 | |
| 8A | 12.6 | 676 | |
| 10A | 8.10 | 1190 | |
| 12A | 6.80 | 1640 | |
| 15A | 5.20 | 2500 | |
| 16A | 5.00 | 2601 | |
| 20A | 3.90 | 5700 | |
| 25A | 2.55 | 10680 | 400A/125V AC 100A/250V AC |
| 30A | 2.00 | 16700 |
Certification & Technical Notes
- Permissible continuous operating current is ≤100% at ambient temperature of 23°C (73.4°F)
- PSE certification applies only to 250V rating with 100A breaking capacity
- Current values for I²T calculation should be within 8ms ~ 10ms range
- For 20A~30A ratings, I²T calculation current values should be at 10In
Additional Product Documentation
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Get in Touch
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Company
Dongguan Ampfort Electronics Co., Ltd.
Location
Floor 5,Changlong Industrial Building,No.6,Jiangnan Road,Jingshan,Chashan Town,Dongguan 523323,China
Contact Person
Annie Fang