MF-RX300 Bourns Inc., MF-RX300 Datasheet

FUSE PTC RESETTABLE 3A HOLD

MF-RX300

Manufacturer Part Number
MF-RX300
Description
FUSE PTC RESETTABLE 3A HOLD
Manufacturer
Bourns Inc.
Series
MF-RXr
Datasheet

Specifications of MF-RX300

R Min/max
0.040 ~ 0.060 Ohm
Voltage - Max
60V
Time To Trip
19.8s
Current - Hold (ih) (max)
3A
Current - Trip (it)
6A
Current - Max
40A
Package / Case
Radial
Holding Current
3A
Tripping Current
6A
Initial Resistance Max
0.06ohm
Operating Voltage
60V
Ptc Fuse Case
Radial Lead
Initial Resistance Min
0.04ohm
Lead Spacing
10.2mm
External Depth
3.1mm
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MF-RX300
Manufacturer:
BK
Quantity:
25 500
Part Number:
MF-RX300/72
Manufacturer:
CITEL
Quantity:
8 601
Part Number:
MF-RX300/72-0
Manufacturer:
Bourns Inc.
Quantity:
1 967
Operating/Storage Temperature ........................-40 °C to +85 °C
Maximum Device Surface Temperature
Passive Aging......................................................+85 °C, 1000 hours ....................................±5 % typical resistance change
Humidity Aging....................................................+85 °C, 85 % R.H. 1000 hours....................±5 % typical resistance change
Thermal Shock ....................................................-40 °C to +85 °C,10 times ..........................±10 % typical resistance change
Solvent Resistance ............................................MIL-STD-202, Method 215 ........................No change
Vibration ..............................................................MIL-STD-883C, Method 2007.1, ................No change
Test
Visual/Mech. ......................................................Verify dimensions and materials..................Per MF physical description
Resistance ..........................................................In still air @ 23 °C ........................................Rmin ≤ R ≤ Rmax
Time to Trip ........................................................5 times Ihold, Vmax, 23 °C..........................T ≤ max. time to trip (seconds)
Hold Current ......................................................30 min. at Ihold............................................No trip
Trip Cycle Life ....................................................Vmax, Imax, 100 cycles ..............................No arcing or burning
Trip Endurance....................................................Vmax, 48 hours ..........................................No arcing or burning
UL File Number ..................................................E 174545S
CSA File Number ................................................CA 110338
TÜV File Number ................................................R2057213
Thermal Derating Chart - I hold / I trip (Amps)
in Tripped State ................................................125 °C
Electrical Characteristics
MF-RX110
MF-RX135
MF-RX160
MF-RX185
MF-RX250
MF-RX300
MF-RX375
MF-RX110
MF-RX135
MF-RX160
MF-RX185
MF-RX250
MF-RX300
MF-RX375
Environmental Characteristics
Test Procedures And Requirements For Model MF-RX Series
Model
Model
R
0 1 8
X 1 1
V max.
0 T
Volts
0
60
60
60
60
60
60
60
1.71 / 3.42
2.09 / 4.18
2.48 / 4.96
2.87 / 5.74
3.88 / 7.76
4.65 / 9.30
5.81 / 11.6
-40 °C
Amps
I max.
40
40
40
40
40
40
40
1.50 / 3.00
1.84 / 3.68
2.18 / 4.36
2.52 / 5.04
3.40 / 6.80
4.08 / 8.16
5.10 / 10.2
-20 °C
Hold
I hold
1.10
1.35
1.60
1.85
2.50
3.00
3.75
Test Conditions
Condition A
MF-RX Series -
Features
1.31 / 2.62
1.61 / 3.22
1.90 / 3.80
2.20 / 4.40
2.98 / 5.96
3.57 / 7.14
4.46 / 8.92
Amperes
Radial Leaded Devices
Cured, flame retardant epoxy polymer
insulating material meets
UL 94V-0 requirements
Agency recognition:
RoHS compliant*
at 23 °C
0 °C
I trip
2.20
2.70
3.20
3.70
5.00
6.00
7.50
Trip
1.10 / 2.20
1.35 / 2.70
1.60 / 3.20
1.85 / 3.70
2.50 / 5.00
3.00 / 6.00
3.75 / 7.50
Ambient Operating Temperature
23 °C
Min.
0.15
0.12
0.09
0.08
0.05
0.04
0.03
Resistance
0.89 / 1.78
1.09 / 2.18
1.30 / 2.60
1.50 / 3.00
2.03 / 4.06
2.43 / 4.86
3.04 / 6.08
Initial
Ohms
at 23 °C
PTC Resettable Fuses
40 °C
Customers should verify actual device performance in their specific applications.
Max.
0.25
0.19
0.14
0.12
0.08
0.06
0.05
T V Rheinland
0.79 / 1.58
0.97 / 1.94
1.15 / 2.30
1.33 / 2.66
1.80 / 3.60
2.16 / 4.32
2.70 / 5.40
Accept/Reject Criteria
50 °C
1 Hour (R 1 )
Resistance
Post-Trip
at 23 °C
Ohms
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Max.
0.38
0.30
0.22
0.19
0.13
0.10
0.08
rated MF-RX/72 Series is preferred.
Specifications are subject to change without notice.
0.69 / 1.38
0.85 / 1.70
1.01 / 2.02
1.17 / 2.34
1.58 / 3.16
1.89 / 3.78
2.36 / 4.72
The MF-RX Series is currently
60 °C
Amperes
available, although not recommended
12.5
15.0
18.75
at 23 °C
for new designs. The higher voltage
5.5
6.75
8.0
9.25
Max. Time
To Trip
0.59 / 1.18
0.73 / 1.46
0.86 / 1.72
1.00 / 2.00
1.35 / 2.70
1.62 / 3.24
2.03 / 4.06
Seconds
70 °C
at 23 °C
11.4
12.6
15.6
19.8
24.0
8.2
9.6
0.44 / 0.88
0.54 / 1.08
0.64 / 1.28
0.74 / 1.48
1.00 / 2.00
1.20 / 2.40
1.50 / 3.00
Dissipation
at 23 °C
Tripped
Watts
85 °C
Power
1.50
1.70
1.90
2.10
2.50
2.80
3.20
Typ.

Related parts for MF-RX300

MF-RX300 Summary of contents

Page 1

... MF-RX160 2.48 / 4.96 2.18 / 4.36 MF-RX185 2.87 / 5.74 2.52 / 5.04 MF-RX250 3.88 / 7.76 3.40 / 6.80 MF-RX300 4.65 / 9.30 4.08 / 8.16 MF-RX375 5.81 / 11.6 5.10 / 10.2 Features Radial Leaded Devices Cured, flame retardant epoxy polymer insulating material meets UL 94V-0 requirements ...

Page 2

... MF-RX185 (0.701) (0.902) 21.3 26.4 MF-RX250 (0.839) (1.039) 24.9 30.0 MF-RX300 (0.980) (1.181) 28.4 33.5 MF-RX375 (1.118) (1.319) Packaging options: BULK: All models = 500 pcs. per bag. TAPE & REEL: MF-RX110 – MF-RX160 = 1500 pcs. per reel; MF-RX185 – MF-RX375 = 1000 pcs. per reel AMMO-PACK: MF-RX110 – ...

Page 3

... MF-R, MF-RX, MF-R/90, MF-RX/72 & MF-RX/250 Series Tape and Reel Specifications Devices taped using EIA468–B/IEC286-2 standards. See table below and Figures 1 and 2 for details. Dimension Description Carrier tape width Hold down tape width: all others Hold down tape Top distance between tape edges ...

Page 4

... MF-R, MF-RX, MF-R/90, MF-RX/72 & MF-RX/250 Series Tape and Reel Specifications Dimension Description Arbor hole diameter Core diameter: MF-R, MF-RX, MF-R/90 Box: MF-R, MF-RX, MF-R/90 Consecutive missing places: MF-R, MF-RX, MF-R/90 Empty places per reel: MF-R, MF-RX, MF-R/90 Taped Component Dimensions - Figure 1 ∆h ∆ ...

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