MF-R250-2 Bourns Inc., MF-R250-2 Datasheet - Page 4
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MF-R250-2
Manufacturer Part Number
MF-R250-2
Description
FUSE PTC RESET
Manufacturer
Bourns Inc.
Series
MF-Rr
Type
PTC Resettable Fusesr
Datasheet
1.MF-R110.pdf
(6 pages)
Specifications of MF-R250-2
Voltage - Max
30V
Current - Max
40A
Current - Hold (ih) (max)
2.5A
Current - Trip (it)
5A
R Min/max
0.025 ~ 0.048 Ohm
Time To Trip
10.3s
Package / Case
Radial
Hold Current
2.5 Amps
Trip Current
5 Amps
Current Rating (max)
40 Amps
Resistance
0.048 Ohms
Maximum Voltage
30 VoltsDC
Termination Style
Radial
Mounting Style
Through Hole
Current Rating
40 Amps
Dimensions
12 mm L x 3 mm W x 18.3 mm H x 12 mm D
Lead Spacing
5.1 mm
Operating Temperature Range
- 40 C to + 85 C
Initial Resistance (min)
25mOhm
Initial Resistance (max)
48mOhm
Voltage Rating Max
30V
Trip Time (max)
10.3@12.5As
Power Dissipation (typ)
1.2W
Post Trip Resistance (max)
70mOhm
Wire Form
Straight
Agency Approvals
CSA/TUV/UL
Operating Temperature Min Deg. C
-40C
Operating Temperature Max Deg. C
85C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MF-R250-2
Manufacturer:
BOURNS
Quantity:
40 000
Typical Time to Trip at 23 ºC
MF-R Series - PTC Resettable Fuses
0.001
0.01
0.001
100
0.1
0.01
10
100
0.1
1
10
1
1
0.1
Fault Current (Amps)
Fault Current (Amps)
1
10
10
100
100
Customers should verify actual device performance in their specifi c applications.
Represents total content. Layout may vary.
MANUFACTURER'S
TRADEMARK
Represents total content. Layout may vary.
PART
IDENTIFICATION
Multifuse
Product Designator
Series
Hold Current, I hold
Packaging Options
Part Number Suffi x Option
*Packaged per EIA486-B
DATE CODE
(FIRST DIGIT =
LAST DIGIT OF YEAR;
NEXT THREE DIGITS =
DAY OF YEAR)
PART
IDENTIFICATION
R = Radial Leaded Component
005-1100 (0.05 Amps - 11.0 Amps)
- __ =
- 0-99 = Bulk Packaging with part
- 2 =
- 2-99 = Tape and Reel with part number
- AP =
- 0-14 = Kinked leads where straight
- 0-17 = Straight leads where kinked
- 99 =
Typical Part Marking: MF-R005 - R025
Typical Part Marking: MF-R030 - R1100
How to Order
Specifi cations are subject to change without notice.
®
Bulk Packaging without part
number suffi x option
number suffi x option
Tape and Reel without part
number suffi x option*
suffi x option
Ammo-Pak*
leads are standard
leads are standard
As of date code April 1, 2005 all
MF-R models are RoHS
compliant. The suffi x “-99”
can be used if a new part
number is required to reference
the RoHS compliance.
Examples:
MF-R110 .................Bulk packaging
MF-R110-0-99.........Bulk packaging
MF-R110-2 ..............Tape and reel
MF-R110-2-99.........Tape and reel
MF-R090-0-9-99 .....Bulk packaging
MF-R250-0-10-99 ...Bulk packaging
MF-R SERIES, REV. X, 04/10
025
0180T
R250
0A
MF - R 110 - 0 - 99
DATE CODE:
WEEK 1 OF 2000 = 0A
(YEAR & WEEK)
WEEK 27 OF 2000 = A0
(WEEK & YEAR)
with part number
suffi x option
packaging
packaging with
part number
suffi x option
with part number
suffi x option
with part number
suffi x option
MANUFACTURER'S
TRADEMARK
LOT NO.
(T = TAIWAN
S = CHINA)