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438 Series - 0603 Size Lead-Free, Halogen Free, High Temperature Very Fast-Acting Ceramic Fuse
Brand: Littelfuse, IncThe 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 150°C.
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 -55°C to +150°C
- 100% Lead-free, RoHS compliant and Halogen free
- Suitable for both leaded and lead-free reflow / wave soldering
Electrical Characteristics
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Series
Ampere Rating
Quantity
Packaging
Part Number / SKU
0438.250WR
Specifications
Brand
Materials
- Body: Advanced Ceramic
- Terminations: Ag/Ni/Sn (100 % Lead-free)
- Element Cover Coating: Lead-free Glass
Moisture Sensitivity Level
- IPC/JEDEC J-STD-020, Level 1
Humidity
- MIL-STD-202, Method 103, Condition D
Solderability
- IPC/EIC/JEDEC J-STD-002, Condition B
Resistance to Soldering Heat
- MIL-STD-202, Method 210, Condition B
Moisture Resistance
- MIL-STD-202, Method 106
Thermal Shock
- MIL-STD-202, Method 107, Condition B-3
Mechanical Shock
- MIL-STD-202, Method 213, Condition A
Vibration
- MIL-STD-202, Method 201
Vibration, High Frequency
- MIL-STD-202, Method 204, Condition D
Dissolution of Metallization
- IPC/EIC/JEDEC J-STD-002, Condition D
Terminal Strength
- IEC 60127-4
Approvals
- UL
- CSA
- Handheld Electronics
- LCD Displays
- Battery Packs
- Hard Disk Drives
- SD Memory Cards
