Features
This series is currently available but
not recommended for new designs.
n Radial Leaded Devices
n Maximum 600 VAC interrupt fault rating
n Available in matched resistance “bins”
n Ability to withstand lightning surges
n RoHS compliant*
n Ability to withstand AC power cross
conditions
n Agency recognition:
MF-R/600 Series - Telecom PTC Resettable Fuses
Electrical Characteristics
Model
Max.
Operating
Voltage
(VDC)
MF-R015/600
MF-R015/600-A
MF-R015/600-B
MF-R015/600-F
MF-R016/600
MF-R016/600-A
MF-R016/600-1
250
250
250
250
250
250
250
Max.
Interrupt
Ratings
Volts
Amps
Max.
600
600
600
600
600
600
600
Max.
3
3
3
3
3
3
3
Hold
Current
Trip
Current
Amps
at 23 °C
Amps
at 23 °C
0.15
0.15
0.15
0.15
0.16
0.16
0.16
0.30
0.30
0.30
0.30
0.32
0.32
0.32
Initial Resistance
Ohms
at 23 °C
Min.
6.0
7.0
9.0
7.0
4.0
4.0
4.0
Ohms
at 23 °C
Max.
12.0
10.0
12.0
12.0
10.0
7.0
8.0
Tripped
One Hour Max. Time
Power
Post-Trip To Trip @
1A
Dissipation
Resistance
Ohms
Seconds
Watts
at 23 °C
at 23 °C
at 23 °C
Max.
22.0
5.0
1.0
20.0
5.0
1.0
22.0
5.0
1.0
22.0
5.0
1.0
18.0
7.0
1.0
16.0
7.0
1.0
17.0
7.0
1.0
Environmental Characteristics
Operating/Storage Temperature............................ -40 °C to +85 °C
Maximum Device Surface Temperature
in Tripped State.................................................. 125 °C
Passive Aging........................................................ +60 °C, 1000 hours................................................ ±15 % typical resistance change
Humidity Aging...................................................... +60 °C, 90 % R.H. 1000 hours.............................. ±15 % typical resistance change
Solvent Resistance................................................ MIL-STD-202, Method 215B.................................. No change
Lead Solderability.................................................. ANSI/J-STD-002
Flammability.......................................................... IEC 695-2-2........................................................... No flame for 60 secs.
Vibration................................................................ MIL-STD-883C, Method 2007.1, Condition A........ No change
Test Procedures And Requirements For Model MF-R/600 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............................................................ 1 A, Vmax, 23 °C................................................... T ≤ max. time to trip (seconds)
Hold Current.......................................................... 30 min. at Ihold...................................................... No trip
Trip Cycle Life........................................................ Vmax, Itrip, 100 cycles........................................... No arcing or burning
Trip Endurance...................................................... Vmax, 24 hours...................................................... No arcing or burning
UL File Number..................................................... E307915
TÜV File Number................................................... R 50256529
Thermal Derating Chart - Ihold (Amps)
Model
Ambient Operating Temperature
-40 °C
-20 °C
0 °C
23 °C
40 °C
50 °C
60 °C
70 °C
85 °C
MF-R015/600
0.233
0.206
0.178
0.150
0.124
0.110
0.096
0.083
0.062
MF-R016/600
0.249
0.219
0.190
0.160
0.132
0.117
0.103
0.088
0.066
Itrip is approximately two times Ihold.
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
*RoHS Directive 2015/863, Mar 31, 2015 and Annex.
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 legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
Applications
Customer Premise Equipment (CPE):
n Modems
n Cable modems
n Fax machines
n POS equipment
n Security equipment
n Set top boxes
MF-R/600 Series - Telecom PTC Resettable Fuses
Product Dimensions
A
Max.
13.5
(0.531)
16.0
(0.629)
Model
MF-R015/600
MF-R016/600
B
Max.
12.6
(0.496)
12.6
(0.496)
Packaging options: BULK: 300 pcs. per bag.
Longer lead lengths available upon request.
A
D
Min.
4.7
(0.185)
4.7
(0.185)
TAPE & REEL: 600 pcs. per reel.
DIMENSIONS:
MANUFACTURER'S
TRADEMARK
PART
IDENTIFICATION
R015
DATE CODE
(FIRST DIGIT =
LAST DIGIT OF YEAR;
SECOND DIGIT =
MONTH;
NEXT THREE DIGITS =
LOT CODE)
24001K
MFG. LOCATION
(K = KOREA
S = CHINA
T = TAIWAN)
Typical Time to Trip at 23 ˚C
Time to Trip (Seconds)
1000
100
MM
(INCHES)
How to Order
Represents total content. Layout may vary.
E
Physical Characteristics
Style
Lead Dia.
Material
0.65
1
Sn/Cu
(0.026)
0.65
1
Sn/Cu
(0.026)
E
Nom.
5.0
(0.197)
5.0
(0.197)
Typical Part Marking
C
B
D
C
Max.
6.0
(0.236)
6.0
(0.236)
MF-R016/600
MF-R015/600
MF - R 015/600 - A 05 - 2
Multifuse
Product
Designator
Series
R = Radial Leaded
Component
Hold Current, Ihold
015-016 (0.15 - 0.16 Amps)
Max. Interrupt Voltage, V
Resistance Range
• Narrow resistance ranges are
available on all models as defined in
Electrical Characteristics.
• Blank = N/A
Resistance Bins
• Narrow resistance ranges can be
separated into packages where each
device is within 0.5 ohms of each other.
• Blank = N/A
Packaging Options
- 0 = Bulk Packaging
- 2 = Tape and Reel*
*Packaged per EIA486-B
®
10
1
0.10
0.00
0.50
1.00
1.50
2.00
2.50
3.00
Fault Current (Amps)
Resistance Options
Model
MF-R015/600
MF-R015/600-A
MF-R015/600-B
MF-R015/600-F
MF-R016/600
MF-R016/600-A
MF-R016/600-1
MF-R/600, REV. O, 03/19
Rmin.
6.0
7.0
9.0
7.0
4.0
4.0
4.0
Rmax.
12.0
10.0
12.0
12.0
10.0
7.0
8.0
R1Max.
22.0
20.0
22.0
22.0
18.0
16.0
17.0
Bin
N/A
0.5
0.5
0.5
N/A
0.5
0.5
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 legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
MF-R, MF-R/90, MF-R/600, & MF-RX, & MF-RX/72 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
EIA
Dimensions
Mark
Dimensions
Tolerance
18 -0.5/+1.0
Carrier tape width
W W
(.709) (-0.02/+.039)
11
Hold down tape width
W4
min.
W0
(.433)
Hold down tape
IEC
Mark
No protrusion
3
Top distance between tape edges
W2 W6
max.
(.118)
9 -0.5/+0.75
Sprocket hole position
W1 W5
(.354)
(-0.02/+0.03)
4 ±0.2
Sprocket hole diameter
D0 D0
(.157) (±.0078)
18.5 ±3.0
Abscissa to plane (straight lead)
H H
(.728) (±.118)
16 ±0.5
Abscissa to plane (kinked lead)
H0 H0
(.63) (±.02)
38.0
Abscissa to top (straight lead)
H1 H1
max.
(1.496)
32.2
Abscissa to top (kinked lead)
H1 H1
max.
(1.268)
55.0
Overall width w/lead protrusion (straight lead)
C1
max.
(2.165)
43.2
Overall width w/lead protrusion (kinked lead)
C1
max.
(1.7)
54.0
Overall width w/o lead protrusion (straight lead)
C2
max.
(2.126)
42.5
Overall width w/o lead protrusion (kinked lead)
C2
max.
(1.673)
1.0
Lead protrusion
I1 L1
max.
(.039)
11
Protrusion of cutout
L L
max.
(.433)
Protrusion beyond hold-down tape
I2 I2
Not specified
12.7 ±0.3
(0.5) (±.012)
±1
Pitch tolerance
20 consecutive
(±.039)
Sprocket hole pitch
P0 P0
Device pitch: MF-R005–MF-R160, MF-R/90,
12.7 ±0.3
MF-RX020/72–MF-RX030/72
(0.5) (±.012)
Device pitch: MF-R185–MF-R400, MF-R/600, MF-RX110–MF-RX375
25.4 ±0.6
MF-RX040/72–MF-RX375/72
(1.0) (±.024)
0.9
Tape thickness
t t
max.
(.035)
Tape thickness with splice: MF-R010–MF-R160,
t1
1.5
max.
MF-RX110/72–MF-RX185/72 (.059)
Tape thickness with splice: MF-R250–MF-R1100,
t1
2.3
max.
MF-RX110–MF-RX375, MF-R/90, MF-RX250/72-MF-RX375/72
(.091)
±0.3
Splice sprocket hole alignment
0
(±.012)
±1.0
Body lateral deviation
Δh
Δh 0
(±.039)
±1.3
Body tape plane deviation
Δp
Δp 0
(±.051)
DIMENSIONS:
MM
(INCHES)
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 legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
MF-R, MF-R/90, MF-R/600, MF-RX, & MF-RX/72 Series
Tape and Reel Specifications
Dimension Description
IEC
Mark
EIA
Dimensions
Mark
Dimensions
Tolerance
5.08 ±0.2
Lead spacing: MF-R, MF-R/90, MF-R/600, MF-RX, MF-RX/72
F F
(0.2) (±0.008)
56.0
Reel width
w W2
max.
(2.205)
370.0
Reel diameter
d a
max.
(14.57)
4.75 ±3.25
Space between flanges less device
W1
h
(.187) (±.128)
26.0 ±12.0
Arbor hole diameter
f
c
(1.024) (±.472)
80
Core diameter: MF-R, MF-RX, MF-R/90
h n
max.
(3.15)
91
Core diameter: MF-R/600
h n
max.
(3.58)
62 355 345
Box: MF-R, MF-RX, MF-R/90
nom.
(2.44) (14.0) (13.6)
64 372 362
Box: MF-R/600
max.
(2.52) (14.6) (14.25)
p
h
h MF-R, MF-RX,
Consecutive missing places:
MF-R/90
Consecutive missing places: MF-R/600
Empty places per reel: MF-R, MF-RX, MF-R/90
P1
H1
Reference plane
L
Taped Component Dimensions Figure 1
H0
B
Not specified
H1
H
0.1 %
W1
W0
W
p
h
h
I2
P0
I1
A
I1
B
P0
H0
W0
D0
p
User direction of feed
Cross section A - B
H1
H
F
L
I2
D0
Reference plane
P1
H1
max.
none
F
Empty places per reel: MF-R/600
A
p
3
W1
t
W
User direction of feed
Cross section A - B
Reel Dimensions - Figure 2
t
Reel
Upper side
Tape
h
d
User
direction
of
feed
Lower side
f
h
w
Reel
DIMENSIONS:
MM
(INCHES)
Upper side
h
Tape
Specifications are subject to change without notice.
User
Users should verify actual device performance in their specific applications.
direction
d
The products described herein and this document are subject to specific legal disclaimers as set of
forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
feed
Lower side
Bourns
PPTC Resettable
Fuses
3312
- ®2 Multifuse
mm SMD® Trimming
Potentiometer
Application Notice
• Users are responsible for independent and adequate evaluation of Bourns® Multifuse® Polymer PTC devices in the user’s
application, including the PPTC device characteristics stated in the applicable data sheet.
•
Polymer PTC devices must not be allowed to operate beyond their stated maximum ratings. Operation in excess of such
maximum ratings could result in damage to the PTC device and possibly lead to electrical arcing and/or fire. Circuits with
inductance may generate a voltage above the rated voltage of the polymer PTC device and should be thoroughly evaluated
within the user’s application during the PTC selection and qualification process.
• Polymer PTC devices are intended to protect against adverse effects of temporary overcurrent or overtemperature
conditions up to rated limits and are not intended to serve as protective devices where overcurrent or overvoltage conditions
are expected to be repetitive or prolonged.
•
In normal operation, polymer PTC devices experience thermal expansion under fault conditions. Thus, a polymer PTC
device must be protected against mechanical stress, and must be given adequate clearance within the user’s application to
accommodate such thermal expansion. Rigid potting materials or fixed housings or coverings that do not provide adequate
clearance should be thoroughly examined and tested by the user, as they may result in the malfunction of polymer PTC
devices if the thermal expansion is inhibited.
• Exposure to lubricants, silicon-based oils, solvents, gels, electrolytes, acids, and other related or similar materials may
adversely affect the performance of polymer PTC devices.
•
Aggressive solvents may adversely affect the performance of polymer PTC devices. Conformal coating, encapsulating,
potting, molding, and sealing materials may contain aggressive solvents including but not limited to xylene and toluene,
which are known to cause adverse effects on the performance of polymer PTCs. Such aggressive solvents must be
thoroughly cured or baked to ensure their complete removal from polymer PTCs to minimize the possible adverse effect
on the device.
• Recommended storage conditions should be followed at all times. Such conditions can be found on the applicable data
sheet and on the Multifuse® Polymer PTC Moisture/Reflow Sensitivity Classification (MSL) note:
https://www.bourns.com/docs/RoHS-MSL/msl_mf.pdf
MFAN 12/18
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 legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and its
affiliates (collectively, “Bourns”).
Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change
without notice. Users should check for and obtain the latest relevant information and verify that such information is current and
complete before placing orders for Bourns® products.
The characteristics and parameters of a Bourns® product set forth in its data sheet are based on laboratory conditions, and
statements regarding the suitability of products for certain types of applications are based on Bourns’ knowledge of typical
requirements in generic applications. The characteristics and parameters of a Bourns® product in a user application may vary
from the data sheet characteristics and parameters due to (i) the combination of the Bourns® product with other components
in the user’s application, or (ii) the environment of the user application itself. The characteristics and parameters of a Bourns®
product also can and do vary in different applications and actual performance may vary over time. Users should always verify
the actual performance of the Bourns® product in their specific devices and applications, and make their own independent
judgments regarding the amount of additional test margin to design into their device or application to compensate for
differences between laboratory and real world conditions.
Unless Bourns has explicitly designated an individual Bourns® product as meeting the requirements of a particular industry
standard (e.g., ISO/TS 16949) or a particular qualification (e.g., UL listed or recognized), Bourns is not responsible for any
failure of an individual Bourns® product to meet the requirements of such industry standard or particular qualification. Users of
Bourns® products are responsible for ensuring compliance with safety-related requirements and standards applicable to their
devices or applications.
Bourns® products are not recommended, authorized or intended for use in nuclear, lifesaving, life-critical or life-sustaining applications, nor in any other applications where failure or malfunction may result in personal injury, death, or severe property or
environmental damage. Unless expressly and specifically approved in writing by two authorized Bourns representatives on a
case-by-case basis, use of any Bourns® products in such unauthorized applications might not be safe and thus is at the user’s
sole risk. Life-critical applications include devices identified by the U.S. Food and Drug Administration as Class III devices and
generally equivalent classifications outside of the United States.
Bourns expressly identifies those Bourns® standard products that are suitable for use in automotive applications on such
products’ data sheets in the section entitled “Applications.” Unless expressly and specifically approved in writing by two
authorized Bourns representatives on a case-by-case basis, use of any other Bourns® standard products in an automotive
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expressly identifies a sub-category of automotive application in the data sheet for its standard products (such as infotainment
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or any other generally equivalent governmental organization standard applicable to products designed or manufactured for
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The use and level of testing applicable to Bourns® custom products shall be negotiated on a case-by-case basis by Bourns and
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For your convenience, copies of this Legal Disclaimer Notice with German, Spanish, Japanese, Traditional Chinese and Simplified Chinese
bilingual versions are available at:
Web Page: http://www.bourns.com/legal/disclaimers-terms-and-policies
PDF: http://www.bourns.com/docs/Legal/disclaimer.pdf
C1753 05/17/18R