0438 Series Fast-Acting SMF
The 438 Series is a 100% Lead-free, RoHS compliant and Halogen-free fuse series.
- Brand： Littelfuse
- Classification： SMD Fuse
- Voltage： 63V/32V/24V
- Current： 0.25A-6A
Description:
The 438 Series is a 100% Lead-free, RoHS compliant and Halogen-free fuse series designed specifically to provide over-current protection to circuits that operate under high working ambient temperature up to 150oC.
The general design ensures excellent temperature stability and performance reliability.
The high I2t values which is typical in the Littelfuse Ceramic Fuse family ensure high inrush current withstand capability.
Features:
? Operating Temperature from -55oC to +150oC | ? Suitable for both leaded and lead-free reflow / wave soldering |
? 100% Lead-free, RoHS compliant and Halogenfree |
Applications:
? Handheld Electronics | ? Hard Disk Drives |
? LCD Displays | ? SD Memory Cards |
? Battery Packs |
Ampere Rating (A) | Amp Code | Max Voltage Rating (V) | Interruping Rating | Nominal Resistance (Ohms) | Nominal Melting I2t (A2sec) | Nominal Voltage Drop At Rated Current （V） | Nominal Power Dissipation At Rated Current（W） |
| 0.25 | .250 | 63VDC | 50A @63VDC 50A @32VAC | 2.218 | 0.0017 | 0.550 | 0.138 |
0.375 | .375 | 63VDC | 1.247 | 0.0041 | 0.488 | 0.183 | |
0.5 | .500 | 63VDC | 0.829 | 0.0100 | 0.486 | 0.243 | |
0.75 | .750 | 63VDC | 0.466 | 0.0281 | 0.378 | 0.284 | |
1.0 | 001. | 63VDC | 0.310 | 0.0593 | 0.351 | 0.351 | |
1.25 | 1.25 | 63VDC | 0.200 | 0.0510 | 0.365 | 0.456 | |
1.5 | 01.5 | 63VDC | 0.174 | 0.0902 | 0.368 | 0.552 | |
1.75 | 1.75 | 63VDC | 1.405 | 0.1440 | 0.360 | 0.540 | |
2.0 | 002. | 32 | 50A @32VDC/12VAC | 0.051 | 0.1490 | 0.107 | 0.214 |
2.5 | 02.5 | 32 | 0.0324 | 0.1977 | 0.095 | 0.238 | |
3.0 | 003. | 32 | 0.0255 | 0.2922 | 0.093 | 0.279 | |
3.5 | 03.5 | 32 | 0.0205 | 0.4752 | 0.082 | 0.287 | |
4.0 | 004. | 32 | 0.0170 | 0.6920 | 0.079 | 0.316 | |
5.0 | 005. | 32 | 0.0115 | 0.7398 | 0.074 | 0.370 | |
6.0 | 006. | 24 | 50A @24VDC/12VAC | 0.0085 | 1.3838 | 0.072 | 0.430 |
Tag:
Littelfuse0438