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Surface Mount Fuses
Subminiature Surface Mount
NANO2(R) FUSE Very Fast-Acting 451/453 Series
The Nano2 SMF Fuse is a very small, square surface mount fuse that is also available in a surface mount holder.
(R)
(R)
ELECTRICAL CHARACTERISTICS:
Ampere Opening Rating Time 1/16 -15 4 hours, Minimum 1/16 -10 5 seconds, Maximum 200% 12-15 20 seconds, Maximum AGENCY APPROVALS: Recognized under the Components Program of Underwriters Laboratories and Certified by CSA. Approved by METI from 1 through 5 amperes. % of Ampere Rating 100%
AGENCY FILE NUMBERS: UL E10480, CSA LR 29862. INTERRUPTING RATINGS:
1/16 - 8A 50 amperes at 125 VAC/VDC 300 amperes at 32 VDC 10A 35 amperes at 125 VAC/50 amperes at 125 VDC 300 amperes at 32 VDC 12A - 15A 50 amperes at 65 VAC/VDC 300 amperes at 24 VDC
6.86 (.270") 3.15 (.124") 2.95 1.96 (.116") (.077") Recommended pad layout 1.45 (.057")
6.10 (.240") F
2.69 (.106") 2.69 (.106")
7A
ENVIRONMENTAL SPECIFICATIONS: Operating Temperature: -55C to 125C. 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). Salt Spray: MIL-STD-202, Method 101, Test Condition B. Insulation Resistance (After Opening): MIL-STD-202, Method 302, Test Condition A, (10,000 ohms minimum). Resistance to Soldering Heat: MIL-STD-202, Method 210, Test Condition B (10 sec. at 260C). Thermal Shock: MIL-STD-202, Method 107, Test Condition B (-65 to 125C). Moisture Resistance: MIL-STD-202, Method 106, High Humidity (90-98 RH), Heat (65C).
Tin-Lead Plated Catalog # - - - - R451.160 R451.200 R451.250 R451.315 R451.375 R451.400 R451.500 R451.630 R451.750 R451.800 R451 001. R451 1.25 R451 01.5 R451 01.6 R451 002. R451 02.5 R451 003. R451 3.15 R451 03.5 R451 004. R451 005. R451 06.3 R451 007. R451 008. R451 010. R451 012. R451 015. Silver Plated Catalog # R451.062 R451.080 R451.100 R451.125 0453.160 0453.200 0453.250 0453.315 0453.375 0453.400 0453.500 0453.630 0453.750 0453.800 0453 001. 0453 1.25 0453 01.5 0453 01.6 0453 002. 0453 02.5 0453 003. 0453 3.15 0453 03.5 0453 004. 0453 005. 0453 06.3 0453 007. 0453 008. 0453 010. 0453 012. 0453 015. Ampere Rating 0.062 0.080 0.100 0.125 0.160 0.200 0.250 0.315 0.375 0.400 0.500 0.630 0.750 0.800 1.0 1.25 1.5 1.6 2.0 2.5 3.0 3.15 3.5 4 5 6.3 7 8 10 12 15 Voltage Rating 125 125 125 125 125 125 125 125 125 125 125 125 125 125 125 125 125 125 125 125 125 125 125 125 125 125 125 125 125 65 65 Nominal Resistance Cold Ohms 5.50 4.05 3.10 1.70 1.80 1.40 1.05 0.78 0.610 0.560 0.420 0.305 0.245 0.212 0.153 0.0780 0.0630 0.0580 0.0367 0.0286 0.0227 0.0215 0.0200 0.0160 0.0125 0.0096 0.0090 0.0077 0.0056 0.0049 0.0037 Nominal Melting I2t A2 Sec. 0.00019 0.00033 0.00138 0.00286 0.00306 0.00652 0.01126 0.0231 0.0425 0.0484 0.0795 0.143 0.185 0.271 0.459 0.664 0.853 1.060 0.530 1.029 1.650 1.920 2.469 3.152 5.566 9.17 10.32 20.23 26.46 47.97 97.82
Average Time Current Curves
1/4A 3/8A 1/2A 3/4A 1A 1 1/2A 2A 2 1/2A 3A 3 1/2A 4A 5A 7A 10A 12A 15A 1 10 100 CURRENT IN AMPERES 1/16A 100 10 TIME IN SECONDS 1 0.1 0.01 0.001 0.05 0.1 1/8A
1000
PHYSICAL SPECIFICATIONS: Materials: Body: Ceramic
Terminations: Tin-Lead Alloy or Silver Plated Caps.
Soldering Parameters:
Wave Solder -- 260C, 10 seconds maximum Reflow Solder -- 260C, 30 seconds maximum Solderability: MIL-STD-202, Method 208. PACKAGING SPECIFICATIONS: 12mm Tape and Reel per EIARS481-1 (IEC 286, part 3); 1,000 per reel, add packaging suffix, MR; 5,000 per reel, add packaging suffix NR.
Refer to pg. 271 for SMF Omni-Blok(R) Holder, Series 154 000.
268
PATENTED
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