LITTELFUSE E10480

Axial Lead & Cartridge Fuses
3AB > High I2t > 328 Series
328 Series, Lead-Free 3AB, High Surge Withstanding Fuse
Description
The 328 Series is a 300VAC rated, 10kA surge
withstanding, 6.3×32mm ceramic fuse, designed in
accordance to UL248-14 Standard, provided in cartridge
and axial-lead packages.
Features
• High surge withstanding
capability
– 20 hits of 10kA 8/20μs
surge
Agency Approvals
Agency
Agency File Number
Ampere Range
E10480
21A
– Meets ANSI/IEEE
C62.41, Category
C-High
– Meets US Dept of
Energy (DOE) MSSLC/
CBEA street lighting
and parking lot
lighting, elevated level
• Small form factor
(6.3×32mm) with
cartridge and axial-lead
package options
• High breaking capacity:
[email protected]
• Lead-free, RoHS
compliant, halogen-free
• Compliant with UL24814 and NFPA 70
(NEC) primary fusing
requirements
• Operating temperature:
–55°C to 125 °
Electrical Characteristics
Applications
Commercial and outdoor LED luminaries
% of Ampere
Rating
Ampere Rating
Opening Time
100%
21A
4 hours, minimum
Outdoor electronics and electrical equipment
120 sec., maximum
200%
Electrical Characteristics
Amp
Rating
(A)
Voltage
Rating
(VAC)
Interrupting
Rating
Surge
Rating
Nominal
Cold
Resistance
(Ohms)
Nominal
Melting
2
I t (A2 sec)
21
300
200A @
300VAC
1.2/50 - 8/20µs,
20kV/10kA 20 hits
0.0042
4,800
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/16/13
Agency
Approvals
E10480
Axial Lead & Cartridge Fuses
3AB > High I2t > 328 Series
Temperature Rerating Curve
21 A
Average Time Current Curves
10000
1000
Time (seconds)
100
10
1
0.1
0.01
0.001
10
100
1000
Amps
Soldering Parameters - Wave Soldering
Recommended Process Parameters:
280
Wave Parameter
260
240
Lead-Free Recommendation
Preheat:
220
(Depends on Flux Activation Temperature)
200
180
160
140
120
100
80
60
(Typical Industry Recommendation)
Temperature Minimum:
100°C
Temperature Maximum:
Preheat Time:
150°C
60–180 seconds
Solder Pot Temperature:
260°C Maximum
Solder Dwell Time:
2–5 seconds
40
Recommended Hand-Solder Parameters:
Time (Seconds)
Cooling Time
Preheat Time
Dwell Time
240
230
220
210
200
190
180
170
160
150
140
130
120
110
90
100
80
70
60
50
40
30
0
0
20
20
10
Temperature (°C) - Measured on bottom side of board
300
Solder Iron Temperature: 350°C ±5°C
Heating Time: 5 seconds max.
Note: These devices are not recommended for IR or
Convection Reflow process.
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/16/13
Axial Lead & Cartridge Fuses
3AB > High I2t > 328 Series
Product Characteristics
Materials
Body: Ceramic
Cap: Nickel–plated brass
Leads: Tin–plated copper
Terminal Strength
MIL-STD-202G, Method 211A, Test
Condition A
Solderability
Reference IEC 60127 Second
Edition 2003-01 Annex A
Product Marking
Cap1: Brand logo, current and
voltage ratings
Cap2: Series and agency approval
marks
Operating Temperature
–55OC to +125OC
Thermal Shock
MIL-STD-202G, Method 107G, Test
Condition B: (5 cycles –65°C to
+125°C)
Vibration
MIL-STD-202G, Method 201A
MIL-STD-202G, Method 103B, Test
Condition A. High RH (95%) and
elevated temperature (40°C) for 240
hours.
MIL-STD-202G, Method 101D, Test
Condition B
Humidity
Salt Spray
Dimensions
Part Numbering System
Measurements displayed in millimeters (inches).
0328 xxxx M X E P
Series
6.985 (.275˝)
±0.3
6.35 (.25”)
±0.3
31.75
(1.25˝)
±1.12
1.20 (0.05˝)
±0.05
32.72
(1.288˝)
±1.12
Amp Code
Refer to Amp Code column of
Electrical Characteristics Table
Quantity Code
M = 1000
38.1
(1.50˝)
±3.15
Packaging Code
X = Filler
Option Codes
Blank: Cartridge Type Fuse
E: Axial Lead Fuse
Lead-free
Packaging
Packaging Option
Packaging Specification
Quantity
Quantity &
Packaging Code
Taping Width
N/A
1000
MX
N/A
328 Series
Bulk
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/16/13
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Littelfuse:
0328021.MXP 0328021.MXEP