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Datasheet> All Categories > Passive components> The resistor> MF-R900
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MF-R900

Description
PTC resettable fuse
CategoryPassive components    The resistor   
File Size704KB，6 Pages
ManufacturerBourns
Websitehttp://www.bourns.com
Environmental Compliance
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MF-R900 Overview

PTC resettable fuse

MF-R900 Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
package instruction,
Reach Compliance Codecompliant
ECCN codeEAR99
Factory Lead Time8 weeks 3 days
Other features0.005 OHM MEASURED AT 23 DEG CEL
JESD-609 codee3
Installation featuresTHROUGH HOLE MOUNT
Number of terminals2
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package height32.9 mm
Package length24.2 mm
Package shapeRECTANGULAR PACKAGE
Package width3 mm
method of packingBULK
Rated (AC) voltage (URac)30 V
Rated power dissipation(P)4.2 W
Resistor typePTC RESETTABLE FUSE
surface mountNO
Terminal surfaceTin (Sn)
Terminal locationRADIAL
Terminal shapeWIRE
Thermistor ApplicationsTEMPERATURE SENSING
Base Number Matches1

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**
C
HA
O
LO & MP
LI
GE
AN
N
T
FR
EE
Features
n
Radial Leaded Devices
n
Cured, flame retardant epoxy polymer
R11
718 0
0T
Applications
Almost anywhere there is a low voltage power
supply and a load to be protected, including:
n
Computers & peripherals
n
General electronics
n
Automotive applications
*R
oH
S
insulating material meets UL 94V-0
requirements
n
RoHS compliant* and halogen free**
n
Agency recognition:
PL
IA
N
OM
T
Electrical Characteristics
V max.
Volts
60
60
60
60
60
60
60
60
60
60
60
30
30
30
30
30
30
30
30
30
30
30
30
30
30
16
I max.
Amps
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
100
F
RE
E
*R
oH
S
MF-R Series - PTC Resettable Fuses
Initial
Resistance
Ohms
at 23 °C
Min.
Max.
7.3
11.1
2.50
4.50
2.00
3.20
1.50
2.84
1.00
1.95
0.76
1.36
0.52
0.86
0.41
0.77
0.27
0.48
0.18
0.40
0.14
0.31
0.07
0.12
0.10
0.18
0.065
0.115
0.055
0.105
0.040
0.07
0.025
0.048
0.025
0.048
0.020
0.05
0.010
0.03
0.010
0.03
0.005
0.02
0.005
0.02
0.005
0.02
0.005
0.01
0.003
0.01
1 Hour (R1)
Post-Trip
Resistance
Ohms
at 23 °C
Max.
22.0
7.50
8.00
4.40
3.00
2.10
1.29
1.17
0.72
0.60
0.47
0.22
0.27
0.17
0.15
0.11
0.07
0.07
0.08
0.05
0.05
0.04
0.03
0.03
0.02
0.014
Max. Time
to Trip
Amperes
at 23 °C
0.5
0.5
0.85
1.0
1.25
1.5
2.0
2.5
3.25
3.75
4.5
4.5
5.5
6.75
8.0
9.25
12.5
12.5
15.0
20.0
25.0
30.0
35.0
40.0
40.0
40.0
Seconds
at 23 °C
5.0
4.0
3.0
2.2
2.5
3.0
3.8
4.0
5.3
6.3
7.2
5.9
6.6
7.3
8.0
8.7
10.3
10.3
10.8
12.7
14.5
16.0
17.5
18.8
20.0
20.0
Tripped
Power
Dissipation
Watts
at 23 °C
Typ.
0.22
0.38
0.48
0.40
0.45
0.50
0.55
0.75
0.90
0.90
1.00
0.60
0.70
0.80
0.90
1.00
1.20
1.20
2.00
2.50
3.00
3.50
3.80
4.00
4.20
4.50
C
Ihold
LE
AD
Itrip
Model
MF-R005
MF-R010
MF-R017
MF-R020
MF-R025
MF-R030
MF-R040
MF-R050
MF-R065
MF-R075
MF-R090
MF-R090-0-9
MF-R110
MF-R135
MF-R160
MF-R185
MF-R250
MF-R250-0-10
MF-R300
MF-R400
MF-R500
MF-R600
MF-R700
MF-R800
MF-R900
MF-R1100
Amperes
at 23 °C
Hold
Trip
0.05
0.10
0.10
0.20
0.17
0.34
0.20
0.40
0.25
0.50
0.30
0.60
0.40
0.80
0.50
1.00
0.65
1.30
0.75
1.50
0.90
1.80
0.90
1.80
1.10
2.20
1.35
2.70
1.60
3.20
1.85
3.70
2.50
5.00
2.50
5.00
3.00
6.00
4.00
8.00
5.00
10.00
6.00
12.00
7.00
14.00
8.00
16.00
9.00
18.00
11.00
22.00
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 ............................................... ±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
Condition A
Moisture Sensitivity Level ..................................... 1
ESD Classification (HBM)..................................... 6
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 ........................................................... 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 ..........................................................E174545
http://www.ul.com/ Follow link to Online Certificates Directory, then enter UL File No.
E174545, or
click here
TÜV Certificate ...........................................................Certificate Number Available on Request, or
click here
* RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
** Bourns follows the prevailing definition of “halogen free” in the industry. Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or less; (b) the Chlorine (Cl) content is
900 ppm or less; and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less.
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific disclaimers as set forth on the last page of this document, and at www.bourns.com/legal/disclaimer.pdf.
Test Procedures And Requirements For Model MF-R Series
Ro VE LEA
HS RS D
C ION FRE
OM S E
PL AR
IA E
NT
*

MF-R900 Related Products

MF-R900 MF-R600 MF-R700 MF-R800 MF-R185-2 PR135A21960CFGWS MF-R020-2 MF-R250-0-14-99 MF-R250-0-17-99
Description PTC resettable fuse PTC resettable fuse Maximum voltage: 30V Trip current: 14A Resettable fuse Maximum voltage: 30V Trip current: 16A PTC resettable fuse Maximum voltage: 30V Trip current: 3.7A PTC resettable fuse Array/Network Resistor, Isolated, Thin Film, 0.125W, 196ohm, 75V, 0.25% +/-Tol, -10,10ppm/Cel, 1107, PTC resettable fuse PTC Resettable Fuse, PTC Resettable Fuse,
Is it lead-free? Lead free - Lead free Lead free Lead free - Lead free - -
Is it Rohs certified? conform to - conform to conform to conform to conform to conform to conform to conform to
Reach Compliance Code compliant - compliant compliant compliant unknown compliant compliant compliant
Factory Lead Time 8 weeks 3 days - 4 weeks 4 weeks 8 weeks 4 days - 4 weeks - -
Other features 0.005 OHM MEASURED AT 23 DEG CEL - 0.005 OHM MEASURED AT 23 DEG CEL 0.005 OHM MEASURED AT 23 DEG CEL 0.04 OHM MEASURED AT 23 DEG CEL - 1.5 OHM MEASURED AT 23 DEG CEL - -
JESD-609 code e3 - e3 e3 e3 e4 e3 e3 e3
Installation features THROUGH HOLE MOUNT - THROUGH HOLE MOUNT THROUGH HOLE MOUNT THROUGH HOLE MOUNT - THROUGH HOLE MOUNT - -
Number of terminals 2 - 2 2 2 4 2 - -
Maximum operating temperature 85 °C - 85 °C 85 °C 85 °C 125 °C 85 °C - -
Minimum operating temperature -40 °C - -40 °C -40 °C -40 °C -55 °C -40 °C - -
Package height 32.9 mm - 29.8 mm 32.9 mm 18.4 mm 0.381 mm - - -
Package shape RECTANGULAR PACKAGE - RECTANGULAR PACKAGE RECTANGULAR PACKAGE DISK PACKAGE - DISK PACKAGE - -
Package width 3 mm - 3 mm 3 mm 3 mm 1.828 mm - - -
method of packing BULK - BULK BULK TR Waffle Pack TR - -
Rated (AC) voltage (URac) 30 V - 30 V 30 V 30 V - 60 V - -
Rated power dissipation(P) 4.2 W - 3.8 W 4 W 1 W 0.125 W 0.4 W - -
Resistor type PTC RESETTABLE FUSE - PTC RESETTABLE FUSE PTC RESETTABLE FUSE PTC RESETTABLE FUSE ARRAY/NETWORK RESISTOR PTC RESETTABLE FUSE PTC RESETTABLE FUSE PTC RESETTABLE FUSE
surface mount NO - NO NO NO - NO - -
Terminal surface Tin (Sn) - Tin (Sn) Tin (Sn) Tin (Sn) Gold (Au) - with Nickel (Ni) barrier Tin (Sn) Tin (Sn) Tin (Sn)
Terminal location RADIAL - RADIAL RADIAL RADIAL - RADIAL - -
Terminal shape WIRE - WIRE WIRE WIRE - WIRE - -
Thermistor Applications TEMPERATURE SENSING - TEMPERATURE SENSING TEMPERATURE SENSING TEMPERATURE SENSING - TEMPERATURE SENSING - -
Base Number Matches 1 - 1 1 1 - 1 - -
Maker - - - Bourns Bourns - Bourns Bourns Bourns

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