PRODUCTS TYPE
Thick Film Chip Resistors
MCR18
Difference
< 3216(1206)size Comparative Specification >
Rev. M18R-01
Rohm Product OEM Product
Product
MCR18 EZP series MCR18 ERT series
Country of Origin Philippines China
Dimension
Construction
1 0 2 1 0 2
3.050.15 0.550.1
3.200.15 0.550.1
0.450.25
0.50.25
(unit : mm )
(unit : mm )
0.350.25
0.50.25
Resistive Layer Resistive element Resistive element
Top Inner Electrode Silver thick film electrode Silver thick film electrode
Side Electrode Silver thick film electrode Nickel-Chrome electrode
Terminal Inner Electrode Nickel plating Nickel plating
Terminal Electrode Tin plating Tin plating
Substrate Alumina Alumina
Protect Layer Over coating (Resin) Over coating (Resin)
Marking
J class (5.0%) : 3 digits marking J class (5.0%) : 3 digits marking
F class (1.0%) : 4 digits marking F class (1.0%) : 4 digits marking
Marking Method
First two or three digits are significant figure , First two or three digits are significant figure ,
and final digit is multiplier. The R is used as a decimal point. and final digit is multiplier. The R is used as a decimal point.
Marking Color Yellowish white marking or other appropriate marking Yellowish white marking or other appropriate marking
Package
Material paper paper
Pitch 4mm 4mm
Quantity 5,000 pcs 5,000 pcs
Rating
Rated Power 0.25 W at 70 0.25 W at 70
Limiting Element Voltage 200 V 200 V
Operating Temperature Range
-55 / +155 -55 / +155
Resistance Tolerance
F 10 R.V. < 1 M : 100 (E24 , E96) 10 R.V. < 1 M : 100 (E24 , E96)
( 1.0% ) 1 M R.V. 2.2 M : 100 (E24 , E96) 1 M R.V. 2.2 M : 200 (E24 , E96)
J class 1 R.V. < 10 : 400 (E24) 1 R.V. < 10 : 400 (E24)
( 5.0% )
10 R.V. 10 M : 200 (E24) 10 R.V. 10 M : 200 (E24)
Jumper Type
Resistance max 50 m max 50 m
Rated Current
2 A 2 A
Operating Temperature Range
-55 / +155 -55 / +155
Characteristics , Reliability
Resistor Type Jumper Type Resistor Type Jumper Type
Item Test Conditions
Variation of Resistance
+25 / +125 reffer to Resistance Tolerance reffer to Resistance Tolerance
with Temperature
Rated voltage (Current) x 2.5,2s
Overload ( 2.0 % + 0.1) max. 50 m ( 2.0 % + 0.1) max. 50 m
Limiting Element Voltagex2 : 400V
Soldering condition : 2355 A new uniform coating of minimum of 95% of the surface A new uniform coating of minimum of 95% of the surface
Solderability
Duration of immersion : 2.00.5s being immersedand no soldering damage. being immersedand no soldering damage.
( 1.0 % + 0.05) max. 50 m ( 1.0 % + 0.05) max. 50 m
Resistance to Soldering condition : 2605
Soldering Heat Duration of immersion : 101s
No remarkable abnormality on the appearance. No remarkable abnormality on the appearance.
Rapid Change of -55 / +125
( 1.0 % + 0.05) max. 50m ( 1.0 % + 0.05) max. 50m
Temperature
5 cycle
Damp Heat, 4093%RH
( 3.0 % + 0.1) max. 100 m ( 3.0 % + 0.1) max. 100 m
Steady State
1,0001,048h
Rated voltage(current) 70
Endurance
1.5h-on/0.5h-off ( 3.0 % + 0.1) max. 100 m ( 3.0 % + 0.1) max. 100 m
o
at 70 C
1,0001,048h
155
Endurance ( 3.0 % + 0.1) max. 100 m ( 3.0 % + 0.1) max. 100 m
1,0001,048h
235
Resistance
Immersion 50.5min ( 1.0 % + 0.05) max. 50m ( 1.0 % + 0.05) max. 50m
to Solvent
Solvent: 2-propanol
( 1.0 % + 0.05) max. 50m ( 1.0 % + 0.05) max. 50m
Bond Strength of distance among support points:90mm
The End Face Plating amount of bend : 3mm
Without mechanical damage such as breaks. Without mechanical damage such as breaks.
Date SPECIFICATION No.
Design Check Approval
11 / Nov /2011
ID - 1928
Rev No.
M18R-01E
1.600.15
1.550.15X-ON Electronics
Largest Supplier of Electrical and Electronic Components
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