Blade Fuses



w w w . l i t t e l f u s e . c o m

Specifications

LWS

UL 248 Special Purpose Fuses

cULus Recognized: File No. E211637

Cover:

Out of thermoplastic (V0, transparent),

Visible melting-element

Shunt: Red, not transparent

Connections:

Soldering pins

Copper alloy, gal. Sn

The FP1 is a MINI style fuse for direct trough-hole pcb soldering.

The FP1 has similar performance characteristics as the standard

FK1 fuse.

FP1 ist eine Sicherung in MINI-Bauform für direkte

Leiterplattenmontage (Durchkontaktierung) mit ähnlichen

Leistungsmerkmalen wie die Standard-FK1-Sicherung.

Time-Current Characteristics / Schmelzzeit-Grenzwerte

% of Rating

% des Nennstromes

Opening Time Min / Max (s)

Schmelzcharakteristik Min / Max (s)

110

100 h / –

135

750 ms / 1,800 s

200

150 ms / 5 s

350

40 ms / 500 ms

600

20 ms / 100 ms

Part Number

Artikel-Nr.

Current Rating

Nennstrom

Housing Color

Kennfarbe

Typ. Voltage Drop

Typ. Spannungsfall

Cold Resistance

Kaltwiderstand

Standard DIN max.

Littelfuse max.

168.6585.410_

1 A

225 mV

135 mV

100 m

Ω

0.83 A²s

168.6585.420_

2 A

200 mV

110 mV

43.0 m

Ω

3.31 A²s

168.6585.430_

3 A

175 mV

110 mV

27.0 m

Ω

7.45 A²s

168.6585.440_

4 A

175 mV

110 mV

21.3 m

Ω

16.7 A²s

168.6585.450_

5 A

175 mV

105 mV

16.2 m

Ω

19.8 A²s

168.6585.475_

7.5 A

150 mV

100 mV

9.70 m

Ω

44.5 A²s

168.6585.510_

10 A

125 mV

110 mV

7.40 m

Ω

79.2 A²s

168.6585.515_

15 A

125 mV

105 mV

4.50 m

Ω

178 A²s

168.6585.520_

20 A

–

100 mV

3.10 m

Ω

331 A²s

168.6585.525_

25 A

–

105 mV

2.60 m

Ω

653 A²s

168.6585.530_

30 A

–

105 mV

1.90 m

Ω

1,264 A²s

160.6585.0002

Shunt

–

60 mV

1.35 m

Ω

1,800 A²s

Last figure of part number = packaging code, see Section “Packaging Index,” pg. 157.

Corresponding holder see Section “Fuse Holders.”