mfrx250

Applications
■ Radial leaded devices
■ Customer Premise Equipment (CPE)
■ Fast tripping resettable PTCs
■ Central Office / Telecom Centers (CO)
■ Binned and sorted narrow resistance
■ Access equipment
*R
oH
S
CO
M
PL
IA
N
T
Features
ranges available
■ RoHS compliant*
■ Agency recognition:
MF-RX/250 Series - Telecom PTC Resettable Fuses
Electrical Characteristics
Model
Max.
Operating
Voltage
(Vdc)
MF-RX012/250
MF-RX012/250-A
MF-RX012/250-C
MF-RX012/250-F
MF-RX012/250-1
MF-RX012/250-2
MF-RX012/250-T
MF-RX012/250U
MF-RX014/250
MF-RX014/250-A
MF-RX014/250-B
MF-RX014/250-T
MF-RX014/250U
MF-RX018/250
MF-RX018/250U
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
Max. Interrupt
Ratings
Volts
(Vrms)
Max.
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
Hold Current
Amps
(A)
Max.
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
10.0
10.0
Amps
at 23 °C
IH
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.145
0.145
0.145
0.145
0.145
0.18
0.18
Initial Resistance
Ohms
at 23 °C
Min.
4.0
7.0
5.5
6.0
6.0
8.0
7.0
6.0
3.0
3.0
4.5
5.4
3.5
0.8
0.8
Ohms
at 23 °C
Max.
8.0
9.0
7.5
10.5
9.0
10.5
12.0
10.0
6.0
5.5
6.0
7.5
6.5
2.0
2.0
One Hour
Post-Trip
Resistance
Ohms
at 23 °C
Max.
16.0
16.0
14.0
16.0
16.0
16.0
16.0
16.0
14.0
12.0
14.0
14.0
12.0
4.0
4.0
“U” suffix indicates product without insulation coating.
Environmental Characteristics
Operating/Storage Temperature ........................... -40 °C to +85 °C
Maximum Device Surface Temperature
in Tripped State ................................................ 125 °C
Passive Aging ....................................................... +85 °C, 1000 hours .............................................. ±15 % typical resistance change
Humidity Aging...................................................... +85 °C, 85 % R.H. 1000 hours ............................. ±15 % typical resistance change
Thermal Shock ..................................................... +125 °C to -55 °C,10 times ................................... ±15 % typical resistance change
Solvent Resistance ............................................... MIL-STD-202, Method 215B ................................. No change
Lead Solerability ................................................... ANSI/J-STD-002 ................................................... >95 % coverage
Flammability ......................................................... IEC 695-2-2 .......................................................... No Flame for 60 secs.
Vibration ............................................................... MIL-STD-883C, Method 2007.1, Condition A ....... ±5 % typical resistance change
Test Procedures And Requirements For Model MF-RX/250 Series
Test
Test Conditions
Accept/Reject Criteria
Visual/Mech. .................................................... Verify dimensions and materials .......................Per MF physical description
Resistance ....................................................... In still air @ 23 °C .............................................Rmin ≤ R ≤ Rmax
Time to Trip ...................................................... TTT current, Vmax, 23 °C .................................T ≤ max. time to trip (seconds)
Hold Current .................................................... 30 min. at Ihold .................................................No trip
Trip Cycle Life .................................................. 250 Vrms, 3A, 10 cycles ...................................No arcing or burning
UL File Number ................................................ E174545
TÜV File Number ............................................. 50260658
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
Additional Features
■ Ability to withstand AC power cross conditions
■ Assists equipment with meeting ITU-T K.20/K.21/K.45
■ Assists equipment with meeting Telcordia GR-1089-C Intrabuilding
MF-RX/250 Series - Telecom PTC Resettable Fuses
Thermal Derating Chart - Ihold (Amps)
Ambient Operating Temperature
Model
-40 ºC
-20 ºC
0 ºC
23 ºC
40 ºC
50 ºC
60 ºC
70 ºC
85 ºC
MF-RX012/250
0.186
0.165
0.143
0.120
0.099
0.088
0.077
0.066
0.050
MF-RX014/250
0.225
0.199
0.172
0.145
0.119
0.106
0.093
0.080
0.060
MF-RX018/250
0.269
0.240
0.211
0.180
0.153
0.138
0.123
0.109
0.087
Itrip is approximately two times Ihold.
Product Dimensions
Model
MF-RX012/250
MF-RX012/250U
MF-RX014/250
MF-RX014/250U
MF-RX018/250
MF-RX018/250U
A
Max.
6.5
(0.256)
6.0
(0.236)
6.5
(0.256)
6.0
(0.236)
11.0
(0.433)
10.4
(0.409)
Packaging options: BULK: 500 pcs. per bag.
B
Max.
11.0
(0.433)
10.0
(0.394)
11.0
(0.433)
10.0
(0.394)
13.6
(0.535)
12.6
(0.496)
C
Nom.
5.1 ± 0.7
(0.201 ± 0.028)
5.1 ± 0.7
(0.201 ± 0.028)
5.1 ± 0.7
(0.201 ± 0.028)
5.1 ± 0.7
(0.201 ± 0.028)
5.1 ± 0.7
(0.201 ± 0.028)
5.1 ± 0.7
(0.201 ± 0.028)
D
Min.
4.7
(0.185)
4.7
(0.185)
4.7
(0.185)
4.7
(0.185)
4.7
(0.185)
4.7
(0.185)
E
Max.
4.6
(0.181)
3.8
(0.150)
4.6
(0.181)
3.8
(0.150)
4.6
(0.181)
3.8
(0.150)
Physical Characteristics
Lead Dia.
Style
Material
0.65
1
Sn/Cu
(0.026)
0.65
2
Sn/Cu
(0.026)
0.65
1
Sn/Cu
(0.026)
0.65
2
Sn/Cu
(0.026)
0.65
1
Sn/Cu
(0.026)
0.65
2
Sn/Cu
(0.026)
TAPE & REEL: 1500 pcs. per reel (available binned).
DIMENSIONS:
Style 1
Style 2
A
Typical Part Marking
A
E
E
B
B
Represents total content. Layout may vary.
MANUFACTURER'S
TRADEMARK
YEAR CODE
DATE CODE
D
C
D
MM
(INCHES)
C
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
RX012
0 220 S
PART
IDENTIFICATION
LOCATION CODE:
S = CHINA
MF-RX/250 Series - Telecom PTC Resettable Fuses
How to Order
Typical Time to Trip at 23 ˚C
MF - RX 012/250 U - A 5 - 2
100
®
Series
RX = Radial Leaded
Component
Hold Current, Ihold
008-018 (0.08-0.18 Amps)
Max. Interrupt Voltage, V
250 (250 Volts)
Telecom Options
U = Uncoated (radial parts only)
Resistance Sorted
Narrow resistance ranges - see
Resistance Options chart
Resistance Bins of 0.5 ohms
05 = 0.5 ohm binned parts (epoxy coated)
5 = 0.5 ohm binned parts (uncoated)
Time to Trip (Seconds)
Multifuse
Product
Designator
10
1
MF-RX018/250, MF-RX018/250U
MF-RX014/250 & MF-RX014/250U
MF-RX012/250 & MF-RX012/250U
0.10
0.01
0
0.5
*Packaged per EIA486-B
1.0
1.5
2.0
2.5
3.0
Fault Current (Amps)
Packaging Options
- 0 = Bulk Packaging
- 2 = Tape and Reel* (available with binned
option)
Resistance Options
Model
MF-RX012/250
MF-RX012/250-A05
MF-RX012/250-C05
MF-RX012/250-F05
MF-RX012/250-105
MF-RX012/250-205
MF-RX012/250-T05
MF-RX012/250U
MF-RX014/250
MF-RX014/250-A05
MF-RX014/250-B05
MF-RX014/250U
Initial Resistance
Values
Ohms @ 23 ° C
Min.
Max.
4.0
8.0
7.0
9.0
5.5
7.5
6.0
10.5
6.0
9.0
8.0
10.5
7.0
12.0
6.0
10.0
3.0
6.0
3.0
5.5
4.5
6.0
3.5
6.5
R1max
Ohms @ 23 ° C
Max.
16.0
16.0
14.0
16.0
16.0
16.0
16.0
16.0
14.0
12.0
14.0
12.0
Bin
N/A
0.5
0.5
0.5
0.5
0.5
0.5
N/A
N/A
0.5
0.5
N/A
MF-RX/250, REV. M, 09/15
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
MF-RX/250 Series Tape and Reel Specifications
Devices taped using EIA468–B/IEC286-2 standards. See table below and Figures 1 through 4 for details.
IEC
Mark
EIA
Mark
Carrier tape width
W
W
Hold down tape width
W0
W4
Dimension Description
Hold down tape
Top distance between tape edges
No protrusion
W2
W6
Sprocket hole position
W1
W5
Sprocket hole diameter
D0
D0
Abscissa to plane (straight lead)
H
H
Abscissa to plane (kinked lead)
H0
H0
Abscissa to top (straight lead)
H1
H1
Abscissa to top (kinked lead)
H1
H1
Overall width w/lead protrusion (straight lead)
C1
Overall width w/lead protrusion (kinked lead)
C1
Overall width w/o lead protrusion (straight lead)
C2
Overall width w/o lead protrusion (kinked lead)
C2
Protrusion of cutout
L
L
Sprocket hole pitch
P0
P0
Pitch tolerance
Tape thickness
t
Tape thickness with splice
t
t1
Splice sprocket hole alignment
max.
-0.5/+0.75
(-0.02/+0.03)
±0.2
(±.0078)
±3.0
(±.118)
±0.5
(±.02)
max.
max.
max.
max.
max.
max.
max.
±0.3
(±.012)
±1
(±.039)
±0.3
(±.012)
12.7
(0.5)
0.9
(.035)
1.5
(.059)
max.
max.
0
Body lateral deviation
Δh
Δh
Body tape plane deviation
Δp
Δp
Lead spacing
F
F
Reel width
w
W2
Reel diameter
d
a
W1
h
Arbor hole diameter
f
c
Core diameter
h
n
Box
3
(.118)
9
(.354)
4
(.157)
18.5
(.728)
16
(.63)
38.0
(1.496)
32.2
(1.268)
55.0
(2.165)
43.2
(1.7)
54.0
(2.126)
42.5
(1.673))
11
(.433)
12.7
(0.5)
20 consecutive
Device pitch
Space between flanges less device
Dimensions
Dimensions
Tolerance
18
-0.5/+1.0
(.709)
(-0.02/+.039)
11
min.
(.433)
0
0
5.08
(0.2)
56.0
(2.205)
370.0
(14.57)
4.75
(.187)
26.0
(1.024)
91
(3.58)
67
372
362
(2.64) (14.6) (14.25)
Consecutive missing places
none
Empty places per reel
0.1 %
±0.3
(±.012)
±1.0
(±.039)
±1.3
(±.051)
-0.5/+0.6
(-.020/+.024)
max.
max.
±3.25
(±.128)
±12.0
(±.472)
max.
max.
DIMENSIONS:
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
MM
(INCHES)
MF-RX/250 Series Tape and Reel Specifications
Taped Component Dimensions Figure 1
p
h
h
p
Applies to Models:
MF-RX012/250U
Reference plane
MF-RX014/250U
P1
H1
MF-RX018/250
MF-RX018/250U
H1
F
A
L
H
H0
B
W0
P0
D0
W1
W
User direction of feed
Cross section A - B
t
Reel Dimensions Figure 2
Reel
Applies to Models:
h
MF-RX012/250U
d
MF-RX014/250U
MF-RX018/250
MF-RX018/250U
User
direction
of
feed
Upper side
Tape
Lower side
f
h
w
DIMENSIONS:
MM
(INCHES)
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
MF-RX/250 Series Tape and Reel Specifications
Taped Component Dimensions Figure 3
p
h
h
p
Applies to Models:
MF-RX012/250
MF-RX012/250-A
MF-RX012/250-C
MF-RX012/250-F
MF-RX012/250-1
MF-RX012/250-2
MF-RX012/250-T
Reference plane
P1
H1
A
L
MF-RX014/250
MF-RX014/250-A
MF-RX014/250-B
MF-RX014-250-T
H1
F
H
H0
B
W0
P0
D0
W1
W
User direction of feed
Cross section A - B
t
Reel Dimensions Figure 4
Reel
Applies to Models:
MF-RX012/250
MF-RX012/250-A
MF-RX012/250-C
MF-RX012/250-F
MF-RX012/250-1
MF-RX012/250-2
MF-RX012/250-T
MF-RX014/250
MF-RX014/250-A
MF-RX014/250-B
MF-RX014-250-T
h
d
User
direction
of
feed
f
h
w
DIMENSIONS:
MM
(INCHES)
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
Upper side
Tape
Lower side