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429 Series - 1206 Very Fast-Acting Thin-Film Fuse
Brand: Littelfuse, IncOBSOLETE with the exception of the 7A RoHS device.
The 429 Series Fast-Acting SMF is a small (1206 size) thin-film device designed for secondary protection of circuits used in space constrained applications such as hand-held portable electronic devices.
This series is Halogen-Free, Lead-Free and meets the requirements of the RoHS directive.
Features- RoHS compliant and Lead-Free 7A device available-add ‘L’ suffix to part number.
- Halogen-Free 7A device available-add ‘HF’ suffix to the part number
- For new designs up to 5A please consult the 433 or 466 Series
Specifications
Brand
Materials
- Body: Epoxy Substrate
- Terminations, RoHS Compliant Device (429L): 100 % Tin over Nickel over Copper
- Element Cover Coat: Conformal Coating
- NOTE: Do not use alcohol-based cleaners or solvents with 429 Series Thin-Film Fuses as it may damage the coating
Operating Temperature
- -55° C to 90° C
- Consult temperature re-rating chart. For operation above 90° C contact Littelfuse
Thermal Shock
- Withstands 5 cycles of -55° C to 125° C
Humidity
- MIL-STD-202, Method 103, Conditions D
Vibration
- Withstands 10-55 Hz per MIL-STD-202, Method 201 and 10-2000 Hz at 20 g’s per MIL-STD-202, Method 204, Condition D
Insulation Resistance (After Opening)
- Greater than 10,000 ohms
Resistance to Soldering Heat
- MIL-STD-202, Method 210, Condition D
Approvals
- UL
- CSA
- Cell Phones
- Battery Packs
- Digital Cameras
- DVD Players
- Hard Disk Drive
