MF-RX014/250U-B5-2 概述
PTC RESET FUSE 60V 145MA RADIAL
MF-RX014/250U-B5-2 数据手册
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nꢀ Radialꢀleadedꢀdevices
nꢀ FastꢀtripꢀresettableꢀPTCs
nꢀ Binnedꢀandꢀsortedꢀnarrowꢀresistanceꢀꢀ
nꢀ CustomerꢀPremiseꢀEquipmentꢀ(CPE)
nꢀ CentralꢀOfficeꢀ/ꢀTelecomꢀCentersꢀ(CO)
nꢀ Accessꢀequipment
ꢀ
rangesꢀavailable
nꢀ RoHSꢀcompliant*
nꢀ Agencyꢀrecognition:ꢀ
MF-RX/250 Series - Telecom PTC Resettable Fuses
Electrical Characteristics
One Hour
Tripped
Maximum
Interrupt
Ratings
(R )
1
Agency
Recognition
Initial
Maximum
Maximum
Operating
Voltage
(DC)
Power
Dissipation
I
I
trip
hold
Post-Trip
Resistance
Resistance
Time to Trip
Model
at 23 °C
Ohms
at 23 °C
Ohms
at 23 °C
Ohms
cUL
TÜV
Vrms Amps
at 23 °C
at 23 °C
Volts
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
Max. Max.
Amps
Min. Max.
Max.
16.0
16.0
14.0
16.0
16.0
16.0
16.0
16.0
16.0
16.0
14.0
12.0
14.0
14.0
14.0
12.0
4.0
Amps Sec.
Max.
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
E174545 R 50260658
MF-RX012/250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
10
10
0.12
0.24
0.24
0.24
0.24
0.24
0.24
0.24
0.24
0.24
0.24
4.0
7.0
5.5
6.0
5.5
9.0
7.0
6.0
8.0
6.0
3.0
3.0
4.5
3.0
5.4
3.5
0.8
0.8
8.0
9.0
7.5
10.5
6.5
10.5
12.0
9.0
10.5
10.0
6.0
5.5
6.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
5.0
5.0
5.0
5.0
5.0
4.0
20
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
MF-RX012/250-A
MF-RX012/250-C
MF-RX012/250-F
MF-RX012/250-G
MF-RX012/250-H
MF-RX012/250-T
MF-RX012/250-1
MF-RX012/250-2
MF-RX012/250U
MF-RX014/250
MF-RX014/250-A
MF-RX014/250-B
MF-RX014/250-C
MF-RX014/250-T
MF-RX014/250U
MF-RX018/250
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.145 0.28
0.145 0.28
0.145 0.28
0.145 0.28
0.145 0.28
0.145 0.28
4.0
7.5
6.5
2.0
0.18
0.18
0.50
0.50
MF-RX018/250U
2.0
4.0
20
“U” suffix indicates product without insulation coating.
Environmental Characteristics
Item
Condition
Criteria
Operating Temperature
Recommended Storage
Passive Aging
Humidity Aging
Thermal Shock
Solvent Resistance
-40 °C to +85 °C
+40 °C max. / 70 % RH max.
+85 °C, 1000 hours
+85 °C, 85 % R.H. 1000 hours
-55 °C to +125 °C, 10 times
MIL-STD-202, Method 215
±15 % typical resistance change
±15 % typical resistance change
±15 % typical resistance change
No change (marking still legible)
Vibration
MIL-STD-883C, Method 2007.1 Condition A
See Note
±15 % typical resistance change
Moisture Sensitivity Level (MSL)
ESD Classification
Class 6 (per AEC-Q200-2, HBM)
Test Procedures and Requirements
Item
Test Condition
Accept/Reject Criteria
Visual/Mechanical
Resistance
Verify dimensions and materials
In still air @ 23 °C
Per MF physical description
R
≤ R ≤ R
min
max
Time to Trip
Hold Current
Trip Cycle Life
Trip Endurance
Solderability
At specified current, V
, 23 °C, still air
T ≤ max. time to trip (seconds)
No trip
max
, still air
30 min. at I
hold
, 100 cycles
V
V
, I
No arcing or burning
No arcing or burning
95 % min. coverage
max max
, 48 hours
max
245 °C ±5 °C, 5 seconds
*ꢀRoHSꢀDirectiveꢀ2015/863,ꢀMarꢀ31,ꢀ2015ꢀandꢀAnnex.
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.ꢀUsersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.ꢀ
Theꢀproductsꢀdescribedꢀhereinꢀandꢀthisꢀdocumentꢀareꢀsubjectꢀtoꢀspecificꢀdisclaimersꢀasꢀsetꢀforthꢀonꢀtheꢀlastꢀpageꢀofꢀthisꢀꢀ
document,ꢀandꢀatꢀwww.bourns.com/legal/disclaimer.pdf.
WARNING Cancer and Reproductive Harm
www.P65Warnings.ca.gov
Additional Features
nꢀ AbilityꢀtoꢀwithstandꢀACꢀpowerꢀcrossꢀconditions
nꢀ AssistsꢀequipmentꢀwithꢀmeetingꢀITU-TꢀK.20/K.21/K.45ꢀ
nꢀ AssistsꢀequipmentꢀwithꢀmeetingꢀTelcordiaꢀGR-1089-CꢀIntrabuilding
MF-RX/250 Series - Telecom PTC Resettable Fuses
Thermal Derating Chart - I
(Amps)
hold
Ambient Operating Temperature
Model
-40 ºC
0.186
0.186
0.186
0.186
0.186
0.186
0.186
0.186
0.186
0.186
0.225
0.225
0.225
0.225
0.225
0.225
0.269
0.269
-20 ºC
0.165
0.165
0.165
0.165
0.165
0.165
0.165
0.165
0.165
0.165
0.199
0.199
0.199
0.199
0.199
0.199
0.240
0.240
0 ºC
23 ºC
0.120
0.120
0.120
0.120
0.120
0.120
0.120
0.120
0.120
0.120
0.145
0.145
0.145
0.145
0.145
0.145
0.180
0.180
40 ºC
0.099
0.099
0.099
0.099
0.099
0.099
0.099
0.099
0.099
0.099
0.119
0.119
0.119
0.119
0.119
0.119
0.153
0.153
50 ºC
0.088
0.088
0.088
0.088
0.088
0.088
0.088
0.088
0.088
0.088
0.106
0.106
0.106
0.106
0.106
0.106
0.138
0.138
60 ºC
0.077
0.077
0.077
0.077
0.077
0.077
0.077
0.077
0.077
0.077
0.093
0.093
0.093
0.093
0.093
0.093
0.123
0.123
70 ºC
0.066
0.066
0.066
0.066
0.066
0.066
0.066
0.066
0.066
0.066
0.080
0.080
0.080
0.080
0.080
0.080
0.109
0.109
85 ºC
0.050
0.050
0.050
0.050
0.050
0.050
0.050
0.050
0.050
0.050
0.060
0.060
0.060
0.060
0.060
0.060
0.087
0.087
MF-RX012/250
0.143
0.143
0.143
0.143
0.143
0.143
0.143
0.143
0.143
0.143
0.172
0.172
0.172
0.172
0.172
0.172
0.211
0.211
MF-RX012/250-A
MF-RX012/250-C
MF-RX012/250-F
MF-RX012/250-G
MF-RX012/250-H
MF-RX012/250-T
MF-RX012/250-1
MF-RX012/250-2
MF-RX012/250U
MF-RX014/250
MF-RX014/250-A
MF-RX014/250-B
MF-RX014/250-C
MF-RX014/250-T
MF-RX014/250U
MF-RX018/250
MF-RX018/250U
I
is approximately two times I
.
trip
hold
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.ꢀ
Theꢀproductsꢀdescribedꢀhereinꢀandꢀthisꢀdocumentꢀareꢀsubjectꢀtoꢀspecificꢀlegalꢀdisclaimersꢀasꢀsetꢀforthꢀonꢀtheꢀlastꢀpageꢀofꢀthisꢀdocument,ꢀandꢀatꢀwww.bourns.com/docs/legal/disclaimer.pdf.
MF-RX/250 Series - Telecom PTC Resettable Fuses
Product Dimensions
A
Max.
B
Max.
C
Nom.
D
Min.
E
Max.
Physical Characteristics
Lead Dia. Style Material
Model
MF-RX012/250
MF-RX012/250-A
MF-RX012/250-C
MF-RX012/250-F
MF-RX012/250-G
MF-RX012/250-H
MF-RX012/250-T
MF-RX012/250-1
MF-RX012/250-2
6.5
(0.256)
11.0
(0.433)
5.1 ± 0.7
(0.201 ± 0.028)
4.7
(0.185)
4.6
(0.181)
0.65
(0.026)
1
Sn/Cu
6.0
(0.236)
10.0
(0.394)
5.1 ± 0.7
(0.201 ± 0.028)
4.7
(0.185)
3.8
(0.150)
0.65
(0.026)
MF-RX012/250U
2
1
Sn/Cu
Sn/Cu
MF-RX014/250
MF-RX014/250-A
MF-RX014/250-B
MF-RX014/250-C
MF-RX014/250-T
6.5
(0.256)
11.0
(0.433)
5.1 ± 0.7
(0.201 ± 0.028)
4.7
(0.185)
4.6
(0.181)
0.65
(0.026)
6.0
(0.236)
11.0
(0.433)
10.4
(0.409)
10.0
(0.394)
13.6
(0.535)
12.6
5.1 ± 0.7
(0.201 ± 0.028)
5.1 ± 0.7
(0.201 ± 0.028)
5.1 ± 0.7
4.7
(0.185)
4.7
(0.185)
4.7
3.8
(0.150)
4.6
(0.181)
3.8
0.65
(0.026)
0.65
(0.026)
0.65
MF-RX014/250U
MF-RX018/250
MF-RX018/250U
2
1
2
Sn/Cu
Sn/Cu
Sn/Cu
(0.496)
(0.201 ± 0.028)
(0.185)
(0.150)
(0.026)
ꢀ
MM
(INCHES)
DIMENSIONS:
ꢀ
Style 1
Style 2
Typical Part Marking
A
E
A
E
Represents total content. Layout may vary.
MANUFACTURER'S
TRADEMARK
B
D
B
PARTꢀ
IDENTIFICATION
RX012
0220S
YEARꢀCODE
DATEꢀCODE
LOCATIONꢀCODE:
Sꢀ=ꢀCHINA
C
C
D
Packaging Quantity
Packaging
Options
Unit Quantity
(Pcs.)
Models
Unit
Notes
Bulk
All models
All models
500
Bag
Tape & Reel
1500
Reel
Available Binned
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.ꢀ
Theꢀproductsꢀdescribedꢀhereinꢀandꢀthisꢀdocumentꢀareꢀsubjectꢀtoꢀspecificꢀlegalꢀdisclaimersꢀasꢀsetꢀforthꢀonꢀtheꢀlastꢀpageꢀofꢀthisꢀdocument,ꢀandꢀatꢀwww.bourns.com/docs/legal/disclaimer.pdf.
MF-RX/250 Series - Telecom PTC Resettable Fuses
How to Order
MF - RX 012/250 U - A 05 - 2
Typical Time to Trip at 23 ˚C
100
Multifuse®
Product
Designator
Series
10
1
RX = Radial Leaded
Component
Hold Current, I
hold
012-018 (0.12-0.18 Amps)
Max. Interrupt Voltage, V
250 (250 Volts)
MF-RX018/250ꢀMODELS
Insulation Options
Blank = Coated
U = Uncoated
MF-RX014/250ꢀMODELS
MF-RX012/250ꢀMODELS
0.10
0.01
Resistance Sorted
Narrow resistance ranges - see
Resistance Options chart
Resistance Bins
05 = 0.5 ohm binned parts (coated only)
0
0.5
1.0
1.5
2.0
2.5
3.0
Packaging Options
- 0 = Bulk Packaging
- 2 = Tape and Reel*
FaultꢀCurrentꢀ(Amps)
*Packaged per EIA-468
Resistance Options
Model
Initial Resistance
Values
R
1max
Bin
Ohms @ 23 ° C
Ohms @ 23 ° C
Max.
16.0
Min.
4.0
7.0
5.5
6.0
5.5
9.0
7.0
6.0
8.0
6.0
3.0
3.0
4.5
3.0
5.4
3.5
0.8
0.8
Max.
8.0
MF-RX012/250
N/A
0.5
0.5
0.5
N/A
N/A
0.5
0.5
0.5
N/A
N/A
0.5
0.5
N/A
0.5
N/A
N/A
N/A
MF-RX012/250-A05
MF-RX012/250-C05
MF-RX012/250-F05
MF-RX012/250-G05
MF-RX012/250-H05
MF-RX012/250-T05
MF-RX012/250-105
MF-RX012/250-205
MF-RX012/250U
9.0
16.0
7.5
14.0
10.5
6.5
16.0
16.0
10.5
12.0
9.0
16.0
16.0
16.0
10.5
10.0
6.0
16.0
16.0
MF-RX014/250
14.0
MF-RX014/250-A05
MF-RX014/250-B05
MF-RX014/250-C05
MF-RX014/250-T05
MF-RX014/250U
5.5
12.0
6.0
14.0
4.0
14.0
7.5
14.0
6.5
12.0
MF-RX018/250
2.0
4.0
MF-RX018/250U
2.0
4.0
MF-RX/250, REV. O 10/20
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.ꢀ
Theꢀproductsꢀdescribedꢀhereinꢀandꢀthisꢀdocumentꢀareꢀsubjectꢀtoꢀspecificꢀlegalꢀdisclaimersꢀasꢀsetꢀforthꢀonꢀtheꢀlastꢀpageꢀofꢀthisꢀdocument,ꢀandꢀatꢀwww.bourns.com/docs/legal/disclaimer.pdf.
ꢀ ꢀꢀMF-RX/250ꢀSeriesꢀTapeꢀandꢀReelꢀSpecifications
Devices taped using EIA-468/IEC 60286-2 standards. See table below and figures for details.
IEC
Mark
EIA
Mark
Dimensions
Tolerance
Dimension Description
Dimensions
18
(0.709)
-0.5/+1.0
(-0.02/+0.039)
Carrier tape width
W
W
5
Hold down tape width
W
0
min.
W
0
(0.197)
Hold down tape
No protrusion
3
Adhesive tape position
W
W
W
W
max.
2
1
0
2
1
0
(0.118)
9
-0.5/+0.75
(-0.02/+0.03)
Sprocket hole position
(0.354)
4
±0.2
(±0.0078)
Sprocket hole diameter
Height to seating plane (straight lead)
Height to seating plane (formed lead)
Overall height above abscissa
Cutout Length
D
D
(0.157)
18 ~ 20
(0.709 ~ 0.787)
H
H
16
(0.63)
±0.5
(±.02)
H
H
H
H
0
0
38.5
(1.516)
max.
max.
1
1
11
(0.433)
L
12.7
(0.5)
±0.3
(±0.012
Sprocket hole pitch
P
P
0
0
12.7
(0.5)
±0.3
(±0.012)
Device pitch
P
P
±1
(±0.039)
Pitch tolerance
20 consecutive
0.9
(0.035)
Composite tape thickness
Overall tape and lead thickness
Splice sprocket hole alignment
Front-to-back deviation
Side-to-side deviation
t
t
max.
max.
1.5
(0.059)
t
t
1
1
±0.3
(±0.012)
0
0
0
±1.0
(±0.039)
Δ
Δ
P
Δ
Δ
P
h
p
1
h
p
1
±1.3
(±0.051)
3.81
(0.150)
±0.7
(±0.028)
Ordinate to adjacent component lead
Lead spacing
5.08
(0.2)
+0.6/-0.2
(+0.024/-0.008)
F
F
62.0
(2.44)
Reel width including flanges and hub
Dimension between flanges (measured at hub)
Reel diameter
W
W
w
w
max.
4
2
allow proper reeling and unreeling
3
1
370.0
max.
A
a
(14.57)
MM
DIMENSIONS:
— Continued on next page —
(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-RX/250ꢀSeriesꢀTapeꢀandꢀReelꢀSpecifications
IEC
Mark
EIA
Mark
Dimensions
Tolerance
Dimension Description
Dimensions
4.75
(0.187)
±3.25
(±0.128)
Space between flanges (at hub, excluding device)
26.0
(1.024)
±12.0
(±0.472)
Arbor hole diameter
Core diameter
C
N
c
80
(3.15)
n
min.
max.
max.
62
372
372
Box dimensions
(2.44) (14.6) (14.6)
Consecutive missing places
Empty places per reel
3
Less than 0.1 %
Taped Component Dimensions -
per EIA Mark -
p
h
h
p
Figure 1
Reference plane
P1
H1
H1
W2
F
H
H0
A
B
L
W1
W0
W
User direction of feed
Cross section A - B
P0
D0
t
t1
Reel Dimensions - per EIA Mark -
Figure 2
Reel
Upper side
n
Tape
User
direction
of
a
feed
Lower side
c
MM
(INCHES)
w1
w2
DIMENSIONS:
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.
Bourns® Multifuse® PPTC Resettable Fuses
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
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Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change
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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
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standard product is considered for potential use in automotive applications, it should only be used in such sub-category of
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or “automotive grade” does not by itself mean that Bourns has approved such product for use in an automotive application.
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or any other generally equivalent governmental organization standard applicable to products designed or manufactured for
use in aircraft or space applications. Bourns expressly identifies Bourns® standard products that are suitable for use in aircraft
or space 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
product in an aircraft or space application might not be safe and thus is not recommended, authorized or intended and is at the
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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
the user for which such Bourns® custom products are specially designed. Absent a written agreement between Bourns and the
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to such Bourns® custom products.
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design, development, production, use or stockpiling of nuclear, chemical or biological weapons or missiles, nor shall they use
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apply to all uses and applications that violate national or international prohibitions, including embargos or international
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of fitness for particular purpose, non-infringement and merchantability.
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
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