Fixed Resistor, Metal Film, 0.5W, 187ohm, 350V, 1% +/-Tol, -50,50ppm/Cel,
273-187/REEL Parametric
Parameter Name
Attribute value
Is it Rohs certified?
conform to
Objectid
223060009
Reach Compliance Code
unknown
ECCN code
EAR99
structure
Cylindrical
Lead diameter
0.54 mm
Lead length
28 mm
Number of terminals
2
Maximum operating temperature
155 °C
Minimum operating temperature
-55 °C
Package diameter
3.5 mm
Package length
10 mm
Package shape
CYLINDRICAL PACKAGE
Package form
Axial
method of packing
TR
Rated power dissipation(P)
0.5 W
resistance
187 Ω
Resistor type
FIXED RESISTOR
series
MF
technology
METAL FILM
Temperature Coefficient
50 ppm/°C
Tolerance
1%
Operating Voltage
350 V
273-187/REEL Preview
Metal Film Fixed Resistors
FEATURES
• Temperature Range: -55°C ~ +155°C
• ±1% tolerance
• Epoxy coated miniature resistors
• Nickel chromium ceramic substrate
• Alloy coated leads
• Welded end caps
• EIA standard color coding
MF Series
LOAD LIFE
100
Percent Rated Load
+0.8
+0.4
∆
R/R (%)
0
-0.4
-0.8
100Ω
1KΩ
10KΩ
100KΩ
Nominal Resistance (Ω)
1MΩ
80
DERATING CURVE
db
0
-10
-20
40
20
0
20 40
70
100 120 155
-30
-40
-50
Ambient Temperature (°C)
PART NUMBERING SYSTEM
Code:
Package:
Bulk
Tape and Reel
Ammo Pack
2
7
Series
0
1
0
Ohms
0
R
E
E
L
Package Code
REEL
AP
SERIES, WATTAGE, SIZE, VOLTAGE, DIMENSIONS, AND AVAILABLE PACKAGING
d
–0.05
H –3
L
H –3
D
Series
270
271
273
Watts
1/8
1/4
1/2
Standard Range
of Values (Ω)
1~10M
1~10M
1~10M
Voltage (max.)
W.V.
O.V.
200
400
250
500
350
700
L max.
3.5
6.8
10
Dimensions (mm)
D max.
H
1.85
28
2.5
28
3.5
28
d
0.45
0.54
0.54
Standard Quantities Available
Bulk
Tape and Reel Ammo Pack
1,000
5,000
2,000
1,000
5,000
1,000
1,000
3,000
1,000
XICON PASSIVE COMPONENTS • (800) 628-0544
XC-600045
Specifications are subject to change without notice. No liability or warranty implied by this information. Environmental compliance based on producer documentation.
Specifications are subject to change without notice. No liability or warranty implied by this information. Environmental compliance based on producer documentation.
Date Revised: 9/28/05
Metal Film Fixed Resistors
CHARACTERISTICS
(Cont.)
Characteristics
Limits
Test Methods
( JIS C 5201-1 )
MF Series
6.1
Direct load
Resistance to a 2.5 kgs direct load for 10 secs.
in the direction of the longitudinal axis of the terminal leads.
Twist test :
Terminal leads shall be bent through 90° at a point of about
6mm from the body of the resistor and shall be rotated through 360°
about the original axis of the bent terminal in alternating direction
for a total of 3 rotations.
6.4 Permanent resistance change when leads
immersed to 3.2 to 4.8 mm from the body in
350 °C ± 10°C solder for 3 ± 0.5 seconds
6.5 The area covered with a new , smooth
clean , shiny and continuous surface free
from concentrated pinholes.
Test temp. of solder : 245°C ± 3°C
Dwell time in solder : 2 ~ 3 seconds
6.9 Specimens shall be immersed in a bath of
trichroethane completely for 3 minutes with
ultrasonic.
7.4 Resistance change after continuous
5 cycles for duty shown below:
StepTemperature
Time
1
-55°C ±3°C
2
Room temp.
3
+155°C ±2°C
4
Room temp.
7.9 Resistance change after 1,000 hours
operating at RCWV with duty cycle of
(1.5 hours "on", 0.5 hour "off") in a humidity
test chamber controlled at 40°C ± 2°C
and 90 to 95 % relative humidity
7.10 Permanent resistance change after
1,000 hours operating at RCWV with duty
cycle of ( 1.5 hours "on", 0.5 hour "off" ) at
70°C ± 2°C ambient
Terminal
strength
With no evidence of mechanical
damage.
Resistance to
soldering heat
Resistance change rate is
± (1% + 0.05Ω) Max. with no
evidence of mechanical damage.
Solderability
95 % coverage Min.
Resistance to
solvent
No deterioration of protective
coatings and markings.
Temperature
cycling
Resistance change rate is
± (1% + 0.05Ω) Max. with no
evidence of mechanical damage.
30 mins
10~15 mins
30 mins
10~15 mins
Resistance value
Load life in
humidity
Normal type
∆R/R
± 1.5 %
Resistance value
Load life
Normal type
∆R/R
± 1.5 %
XICON PASSIVE COMPONENTS • (800) 628-0544
XC-600045
Specifications are subject to change without notice. No liability or warranty implied by this information. Environmental compliance based on producer documentation.
Date Revised: 9/28/05
Mouser Electronics
Authorized Distributor
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