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PICO® II Very Fast-Acting Type






General Characteristics
  • The PICO® II very fast-acting fuse is designed to meet an extensive array of performance characteristics in a spacesaving subminiature package.
  • Available in ratings of up to 15 Amperes.
  • Available in bulk or tape and reel packaging.


Electrical Characteristics
% of Ampere Rating Ampere Rating Opening Time

100% 1/16-15 4 Hours,
Minimum
200% 1/16-7 1 Second,
Maximum
200% 10 3 seconds, Maximum
200% 12-15 10 seconds, Maximum

Dimensions - Inches


Ordering Information

Std. Type
Part Number 		Mil. Type
Part Number 		Ampere
Rating 		Voltage
Rating 		Nominal Resistance
Cold(Ohms) 		Melting
I2t (A2 Sec.)
251.062 253.062 1/16 125 7.0 0.0000750
251.125 253.125 1/8 125 1.70 0.00163
251.250 253.250 1/4 125 0.665 0.0106
251.375 253.375 3/8 125 0.395 0.0254
251.500 253.500 1/2 125 0.280 0.0546
251.750 253.750 3/4 125 0.175 0.155
251001 253001 1 125 0.125 0.281
25101.5 25301.5 1.5 125 0.0800 0.650
251002 253002 2 125 0.0468 0.421
25102.5 - 2.5 125 0.0350 0.721
251003 253003 3 125 0.0290 1.23
25103.5 - 3.5 125 0.0240 1.65
251004 253004 4 125 0.0204 2.35
251005 253005 5 125 0.0155 3.90
251007 253007 7 125 0.0105 10.5
251010 253010 10 125 0.00705 24.2
251012 - 12 32 0.00481 45.5
251015 253015 15 32 0.00395 70.1



Agency Approvals:
Recognized under the Components Program of Underwriters Laboratories and Certified by CSA.
Approved by MITI from 1 through 5 amperes.

Agency File Number:
UL E10480, CSA LR 29862.

Reference to MIL Spec:
Available in Military QPL type FM10, conforming to MIL-F-23419.

Interrupting Rating:
300 amperes at 125VDC.
50 amperes at 125VAC.


Material, Electrical, and Environmental Specifications:

Construction Materials:
Body: Encapsulated, Epoxy-Coated Solder; Coated Copper Wire Leads

Operating Temperature Range:
-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)-, Method 204, Test Condition C (55-2000 Hz at 10 G's Peak).

Moisture Resistance:
MIL-STD-202, Method 106

Flammability Rating:
UL94VO

Soldering Parameters:
Wave Solder: 500° F, (260° C), 10 sec. max.

Solderability:
MIL-STD-202, Method 208

Lead Pull Force:
MIL-STD-202, Method 211, Test Condition A (will withstand a 7 lb. axial pull test).

Packaging:
Fuses packaged per EIA Standard 296. 5000 fuses per reel. Also available in bulk.

Option:
Radial Lead Version: 0.4" lead spacing; to order change 251 to 252.

Patents: Patented.

© 1996 Littelfuse Inc.
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414-327-1555
Fax : 414-327-0577
Email: indelect@execpc.com
Catalog, Quote, Availability.

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