Axial Lead & Cartridge Fuses 508 Series Lead-Free 3AB

Axial Lead & Cartridge Fuses
3AB 1000VAC / DC High Voltage Fuse
508 Series Lead-Free 3AB Fuse
RoHS
Pb
Description
A 1000Vac/Vdc rated ceramic fuse with remarkable
interrupting rating in a compact 6.3×32mm package,
which is well suited for circuit protection in high energy
applications.
Features
• In accordance
with Underwriter’s
Laboratories Standard UL
248-14
Agency File Number
Ampere Range
E10480
0.315A - 1A
N/A
0.315A - 1A
Electrical Characteristics
% of Ampere
Rating
• Compact form factor of
6.3×32mm
• Available in cartridge and
axial lead
Agency Approvals
Agency
• Superior Interrupting
rating of 10,000 Amperes
Ampere Rating
Opening Time
100%
• RoHS compliant and
Lead-free
Applications
Used as supplementary protection in appliance or
utilization equipment to provide individual protection for
components or internal circuits.
Additional Information
4 Hours, Minimum
0.315A - 1A
135%
1 Hour, Maximum
200%
120 Seconds, Maximum
Datasheet
Samples
Resources
Electrical Characteristic
Amp Code
Amp Rating
Voltage
Rating
.315
0.315
1000
.500
0.5
1000
001
1
1000
Interrupting
Rating
10kA @ 1000Vac
10kA @ 1000Vdc
* [email protected]/dc also cURus approved. Add suffix “6”. Example: 0508.315MX6P.
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice. Application testing is strongly recommended.
Revised: 06/12/15
Agency Approvals
Nominal Cold
Resistance
(mohms)
Nominal
Melting
I2t (A2 sec.)
9200
0.071
x
x
3572
0.259
x
x
1580
0.449
x
x
Axial Lead & Cartridge Fuses
3AB 1000Vac/dc High Voltage Fuse
508001
508.500
Average Time Current Curves
508.315
Temperature Re-rating Curve
10000
Time (seconds)
1000
100
10
1
0.1
0.01
0.001
0.01
0.1
1
10
100
Amps
Note:
Rerating depicted in this curve is in addition to the standard derating of 25% for
continuous operation.
Soldering Parameters - Wave Soldering
Recommended Process Parameters:
280
Wave Parameter
260
Lead-Free Recommendation
Preheat:
240
220
(Depends on Flux Activation Temperature)
200
180
160
140
120
100
80
60
40
(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
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.
Product Characteristics
Materials
Body : Ceramic
Cap : Nickel–plated brass
Leads : Tin-plated Copper
Terminal Strength
MIL-STD-202, Method 211,
Test Condition A
Solderability
MIL-STD-202 Method 208
Product Marking
Cap1 : Brand logo, current and voltage
ratings
Cap2 : Series and agency approval marks
Operating
Temperature:
–55ºC to 125ºC.
Thermal
Shock:
MIL-STD-202, Method 107, Test Condition B
(5 Cycles -65ºC to +125ºC).
Vibration
MIL-STD-202, Method 201
Humidity
MIL-STD-202, Method 103, Test Condition A:
High relative humidity (95%) and elevated
temp (40ºC) for 240 hours
Salt Spray
MIL-STD-202, Method 101, Test Condition B
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 06/12/15
Axial Lead & Cartridge Fuses
3AB 1000VAC / DC High Voltage Fuse
Part Numbering System
Dimensions
0508 xxxx M X E P
Measurements displayed in millimeters (inches)
508 000P Series
(cartridge)
508 000EP Series
(axial leaded)
6.35±0.3
(.25")
Series
Amp Code
Refer to Amp Code column of
Electrical Characteristics Table
6.985±0.3
(.275")
31.75±1.12
(1.25")
Quantity Code
32.72±1.12
(1.288")
Axial Lead Diameter:
0.81±0.05 (.032")
Axial Lead Material:
Tin-coated copper
M = 1000
Axial Lead Length:
Standard Length:
39.68 (1.56") TYP.
Short Lead Option:
12.70 (0.50”) TYP
Packaging Code
X = Filler
Option Codes
Blank : Cartidage Type Fuse
E
: Axial Lead Fuse
Lead-free
Packaging
Packaging Specification
Quantity
Quantity & Packaging
Code
Reel Size
Bulk
N/A
1000
MX
N/A
Bulk
N/A
1000
MXE
N/A
Packaging Option
508 Series
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 06/12/15