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