0429007.WRML Littelfuse Inc, 0429007.WRML Datasheet - Page 4

• Manufacturer Part Number: 0429007.WRML
• Description: FUSE 7A 24V FAST SMD 1206
• Manufacturer: Littelfuse Inc
• Series: 429r
• Type: Surface Mount Fusesr

Specifications of 0429007.WRML

• Fuse Type: Fast Acting
• Voltage - Rated: 24VAC, 24VDC
• Current: 7A
• Package / Case: 1206 (3216 Metric)
• Size / Dimension: 0.126" L x 0.063" W x 0.045" H (3.20mm x 1.60mm x 1.14mm)
• Mounting Type: Surface Mount
• Operating Temperature: -55°C ~ 90°C
• Dc Cold Resistance: 0.009 Ohm
• Melting I²t: 3.6
• Current Rating: 7 Amps
• Voltage Rating: 63 Volts
• Fuse Size / Group: 1206
• Termination Style: SMD/SMT
• Body Material: Epoxy
• Dimensions: 3.18 mm L x 1.52 mm W
• Product: Surface Mount Fuse
• Mounting Style: SMD/SMT
• Brand/series: 429 Series
• Current, Rating: 7 A
• Material, Body: Epoxy Substrate
• Primary Type: Chip
• Resistance, Dc: 0.00925 Ohms
• Size: 1206
• Termination: SMT
• Voltage, Rating: 24 VAC/VDC
• Dc: N/A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Color: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

©2008 Littelfuse, Inc.
©2008 Littelfuse, Inc.
RECOMMENDED PAD LAYOUTS
(.150")
Product Characteristics
Materials
Operating
Temperature
Thermal Shock
Dimensions
Packaging
3.81
REFLOW SOLDER
Tape & Reel – 8mm tape
Packaging Option
(.080")
2.03
(.060")
(.045")
1.52
1.14
Body: Epoxy Substrate
Terminations - Standard Device (429):
Terminations, RoHS Compliant Device (429L):
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.
– 55
Consult temperature rerating chart.
For operation above 90°C contact Littelfuse.
Withstands 5 cycles of – 55
O
C to 90
(.044")
REF.
1.12
O
C.
EIA RS-481-1 (IEC 286, part 3)
Packaging Specification
2.49 (.098")
(.125")
REF.
3.18
O
Surface Mount Fuses
C to 125
Thin Film > 1206 Size > Very Fast-Acting > 429 Series
(.060")
(.025")
1.52
(.045")
.635
1.14
O
C
13
Quantity
3000
Part Marking System
Part Numbering System
Humidity
Vibration
Insulation Resistance
(After Opening)
Resistance to
Soldering Heat
SERIES
AMP Code
QUANTITY Code
L = Lead-Free device and
RoHS compliant device
Series
429L
429
Refer to Electrical charac-
teristics table
WRM = 3000 pcs
R = Tape and Reel
Packaging Code
Marking
Quantity &
Code
FU
WRM
7
0429 007. WRML
Condition D
Withstands 10 – 55 Hz per MIL -STD-
202F , Method 201A and 10-2000 Hz
at 20 G’s per MIL -STD-202F , Method
204D, Condition D.
Greater than 10,000 ohms
MIL -STD-202G, Method 210F ,
Condition D
Example:
1.5 amp product is 0429 01.5 WRML
(7 amp product shown above).
429 Series