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MEV Series
Metal Film Precision MELF Resistor
APPLICATIONS
•Automotive
•Industrial
•Telecommunication
•MedicalEquipment
•Measurement/TestingEquipment
CHARACTERISTICS
SERIES SPECIFICATIONS
Derating
FEATURES
•AEC-Q200Compliance
•Thinfilmtechnology
•Excellentoverallstability
•SnterminationonNibarrierlayer
•Tighttolerancedownto±0.1%
•ExtremelylowTCRdownto±10ppm/°C
•Highpowerratingupto1Watt
•SMDenabledstructure
•Lead-freeandRoHScompliant
Oper. Temp.
Range
-55°C to +155°C
Max. resistance
change
≤0.5% at P70 for resistance range,
ΔR/R max., after 1000 h
Storage
Temperature
15~28°C; Humidity < 80%RH
Rated Voltage √P•R or Max. Operating Voltage which-
ever is lower
(continued)
Ambient Temperature (°C)
100
40
80
20
60
0
% Rated Power
+70°C
60 16010020 14040 800 120
+155°C
Power (W) Max. Max. Overload Resistance (Ω) TCR
Size @ 70°C Oper. Volt. Voltage ±0.1% ±0.25% ±0.5% ±1% ±5% (ppm)
MEV02 0.2 200V 400V 100Ω-56K 100Ω-56K 100Ω-56K 100Ω-56K 100Ω-56K ±15
100Ω-82K 49.9Ω-200K 49.9Ω-390K ±25
0.3 200V 400V 8.2Ω-1M 8.2Ω-1M 8.2Ω-1M ±50
40Ω-1M 40Ω-1M ±100
MEV04 0.4 200V 400V 10Ω-300K 10Ω-300K 10Ω-300K 10Ω-300K 10Ω-300K ±15
10Ω-1M 10Ω-1M 10Ω-3.4M 4.02Ω-3.4M 4.02Ω-3.4M ±25
10Ω-1M 1Ω - 1M 1Ω – 3.4MΩ 0.2Ω-3.4M 0.2Ω-3.4M ±50
0.1Ω-1M 0.1Ω-1M ±100
MEV07 1.0 350V 700V 10Ω-300K 10Ω-300K 10Ω-300K 10Ω-300K 10Ω-300K ±15
10Ω-1M 10Ω-1M 10Ω-3.4M 4.02Ω-3.4M 4.02Ω-3.4M ±25
10Ω-1M 1Ω - 1M 1Ω – 3.4MΩ 0.2Ω-3.4M 0.2Ω-3.4M ±50
0.1Ω-1M 0.1Ω-1M ±100
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SOLDERING
MEV Series
Metal Film Precision MELF Resistor
DIMENSIONS
Weight (g)
Size L (mm) D (mm) K (mm) A (mm) B (mm) C (mm) (per 1,000)
MEV02 2.20 ±.10 1.10 ±.10 0.45 ±.05 1.5 0.8 1.0 7.7
MEV04 3.50 ±.2 1.40 ±.15 0.8 ±.1 1.6 1.2 1.6 18.7
MEV07 5.90 ±.2 2.20 ±.20 1.3 ±.1 2.4 2.4 3.0 80.9
D
K
Insulation
coating Marking
Resistor
layer
Electrode
cap
L
Trimming
line
Ceramic
rod
B C
A
Temp. (°C)
Time (sec.)
245°
220°
180°
150°
Heat-up rate � 3K/s Cooling rate
� 6K/s
Peak: 265°C
260°C/10s
Pre-heating
90s ~ 120s
max. 20s
max. 60s
Number of reflow cycles allowed: 3 times
Temp. (°C)
Time (sec.)
150°
235°
265°
100°
Typical values
Process limits
First
wave
Forced
cooling
Second
wave
�5K/s
�200K/s
260°C/10s
�2K/s
�2K/s
Number of reflow cycles allowed: 2 times
(1)TimeofIRreflowsolderingatmaximumtemperaturepoint260°C:10s
(2)Timeofwavesolderingatmaximumtemperaturepoint260°C:10s
(3)Timeofsolderingironatmaximumtemperaturepoint410°C:5s
IR Reflow Soldering Wave Soldering (Flow Soldering)
TAPE AND REEL
(mm)
A B W W F P0 P1 P2 D0 D1 T W1 W2 Qty.
MEV02 1.30 ±.1 2.40 ±.1 8.0 ±.1 1.75 ±.1 3.50 ±.05 4.00 ±.1 4.00 ±.1 2.00 ±.05 1.50 +.1 0.9 min. 1.50 ±.1 9.0 ±.5 12.5 ±.5 3,000
MEV04 1.55 ±.1 3.65 ±.1 8.0 ±.1 1.75 ±.1 3.50 ±.05 4.00 ±.1 4.00 ±.1 2.00 ±.05 1.50 +.1 0.9 min. 1.80 ±.1 9.0 ±.5 12.5 ±.5 3,000
MEV07 2.40 ±.1 6.15 ±.1 12.0 ±.1 1.75 ±.1 5.50 ±.05 4.00 ±.1 4.00 ±.1 2.00 ±.05 1.50 +.1 1.4 min. 2.70 ±.1 13.0 ±.5 15.5 ±.5 2,000
178.5mm ±1.5
60.0mm +1.0
13.0mm ±0.2
W
1
W
2
P1P2P0
direction of unreeling
Resistor
Emboss
Tape
T
W
E
F
ØD1
ØD0
Top
Tape
B
A
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6
PERFORMANCE
MEV Series
Metal Film Precision MELF Resistor
Item Requirement Method
TCR As Spec JIS-C-5201-1 4.8; IEC-60115-1 4.8; -55°C~+125°C, 25°C is the reference tem-
perature
Short Time Overload 10Ω-270KΩ: ±(0.1%+0.05Ω)
<10Ω & >270KΩ: ±(0.15%+0.05Ω)
0102: ±(0.15%+0.05Ω)
JIS-C-5201-1 4.13; IEC-60115-1 4.13; RCWV*2.5 or Max. Overload Voltage
whichever is lower for 5 seconds
Insulation
Resistance
≥10G JIS-C-5201-1 4.6; IEC-60115-1 4.6; Max. Overload Voltage for 1 minute
Endurance 10Ω-270KΩ: ±(0.25%+0.05Ω)
<10Ω & >270KΩ: ±(0.5%+0.05Ω)
0102: ±(0.5%+0.05Ω)
JIS-C-5201-1 4.25; IEC-60115-1 4.25.1;MIL-STD-202 Method 108;70±2°C,
RCWV for 1000 hrs with 1.5 hrs “ON” and 0.5 hr “OFF”
Biased Humidity 10Ω-270KΩ: ±(0.5%+0.05Ω)
<10Ω & >270KΩ: ±(1%+0.05Ω)
0102: ±(2%+0.05Ω)
MIL-STD-202 Method 103;1000 hrs 85°C/85%RH 10% of operating power.
High Temperature
Exposure
10Ω-270KΩ: ±(0.25%+0.05Ω)
<10Ω & >270KΩ: ±(1%+0.05Ω)
0102: ±(1%+0.05Ω)
MIL-STD-202 Method 108 at +155°C for 1000 hrs
Board Flex 10Ω-270KΩ: ±(0.1%+0.05Ω)
<10Ω & >270KΩ: ±(0.5%+0.05Ω)
0102: ±(0.5%+0.05Ω)
AEC-Q200-005; Bending once for 60 seconds with 2mm
Solderability 95% min. coverage JIS-C-5201-1 4.17; IEC-60115-1 4.17; J-STD-002; 245±5°C for 3 seconds
Resistance to
Soldering Heat
10Ω-270KΩ: ±(0.1%+0.05Ω)
<10Ω & >270KΩ: ±(0.25%+0.05Ω)
0102: ±(0.25%+0.05Ω)
MIL-STD-202 Method 210; 260±5°C for 10 seconds
Voltage Proof No breakdown or flashover JIS-C-5201-1 4.7; IEC-60115-1 4.7; 1.42 times Max. Operating Voltage for 1
minute
Leaching Individual leaching area ≤5%
Total leaching area ≤10%
JIS-C-5201-1 4.18; IEC-60068-2-58 8.2.1; 260±5°C for 30 seconds
Temperature Cycling 10Ω-270KΩ: ±(0.25%+0.05Ω)
<10Ω & >270KΩ: ±(0.5%+0.05Ω)
0102: ±(1%+0.05Ω)
JESD22 Method JA-104; -55°C to +125°C, 1000 cycles
Mechanical Shock ±(0.25%+0.05Ω) MIL-STD-202 Method 213; Wave Form: Tolerance for half sine shock pulse. Peak
value is 100g’s. Normal duration (D) is 6.
Vibration ±(0.5%+0.05Ω) MIL-STD-202 Method 204; 5 g’s for 20 min., 12 cycles each of 3 orientations,
10-2000 Hz
ESD ±(0.5%+0.05Ω) AEC-Q200-002; Human body, 2KV
Resistance to
Solvents
No visible damage on appearance
and marking.
MIL-STD-202 Method 215; Add Aqueous wash chemical - OKEM Clean or equiv-
alent. Do not use banned solvents.
Terminal Strength No broken AEC-Q200-006; Force of 1.8kg for 60 seconds.
Flammability No ignition of the tissue paper or
scorching or the pinewood board
UL-94; V-0 or V-1 are acceptable. Electrical test not required.
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PULSE WITHSTANDING CAPACITY
Thesingelimpulsegraphistheresultof50impulsesofrectangularshapeappliedatone-minuteintervals.Thelimitofaccep-
tancewsashiftinresistanceoflessthan1%fromtheinitialvalue.Thepowerappliedwassubjecttotherestrictionsofthemaxi-
mumpermissibleimpulsevoltagegraphshown.
CONTINUOUS PULSE
Thecontinuousloadgraphwasobtainedbyapplyingrepetitiverectangularpulseswherethepulseperiodwasadjustedsothatthe
averagepowerdissipatedintheresistorwasequaltoitsratedpowerat70°C.Againthelimitofacceptancewasashiftin
resistanceoflessthan1%fromtheinitialvalue.
MEV Series
Metal Film Precision MELF Resistor
Pulse Power (W)
Duration Time (sec.)
0.0001 0.001 0.01 0.1 1
1
10
100
1000
MEV04
MEV07
Pulse Power (W)
Duration Time (sec.)
0.0001 0.001 0.01 0.1 1
1
10
100
1000
MEV04
MEV07
Continuous Pulse (100Ω)
Single Pulse (100Ω)
Pulse Voltage (100Ω)
Single Pulse
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CONTINUOUS PULSE
MEV Series
Metal Film Precision MELF Resistor
Pulse Power (W)
Duration Time (sec.)
0.0001 0.001 0.01 0.1 1
1
10
100
1000
MEV02
Pulse Power (W)
Duration Time (sec.)
0.0001 0.001 0.01 0.1 1
1
10
100
1000
MEV02
[Zo]-Ro/Ro in %
Frequency (MHz)
1 10 100 1,000 10,000
-100
-50
0
50
100
150
200
10R
100R
1K
10K
100K
1M
1R
Phase Angle (Degree)
Frequency (MHz)
1 10 100 1,000 10,000
-100
-80
-60
-40
-20
20
0
60
40
80
100
10R
100R
1K
10K
100K
1M
1R
MEV02 Series Continuous Pulse MEV02 Series Pulse Voltage(100 Ohm)
FREQUENCY BEHAVIOR
Resistorsaredesignedtofunctionaccordingtoohmiclaws.Thisisbasicallytrueofresistorsforfrequenciesupto100kHz.At
higherfrequencies,thereisanadditionalcontributiontotheimpedancebyanidealresistorswitchedinserieswithacoilandboth
switchedparalleltoacapacitor.Thevaluesofthecapacitanceandinductancearemainlydeterminedbythedimensionsoftheter-
minationsandtheconductivepathlength.
Theenvironmentsurroundingcomponentshasalargeinfluenceonthebehaviorofthecomponentontheprinted-circuitboard.
Frequency vs. Impedance MEV04 Frequency vs. Phase Angle MEV04
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FREQUENCY BEHAVIOR
MEV Series
Metal Film Precision MELF Resistor
Phase Angle (Degree)
Frequency (MHz)
1 10 100 1,000 10,000
-100
-80
-60
-40
-20
20
0
60
40
80
100
10R
100R
1K
10K
100K
1M
1R
[Zo]-Ro/Ro in %
Frequency (MHz)
1 10 100 1,000 10,000
-100
-50
0
50
100
150
200
10R
100R
1K
10K
100K
1M
1R
Pulse Voltage (V)
Resistance (Ω)
10 100 1K 10K 100K
10
100
1000
10,000
MEV04
MEV07
Pulse Voltage (V)
Resistance (Ω)
10 100 1K 10K 1M100K
10
100
1000
10,000
MEV04
MEV07
LIGHTNING SURGE
ResistorsaretestedinaccordancewithIEC60115-1usingboth1.2/50usand10/700uspulseshapes.Thelimitofacceptanceisa
shiftinresistanceoflessthan0.5%fromtheinitialvalue.
1.2/50μs Lightning Surge
Frequency vs. Impedance MEV07
10/700μs Lightning Surge
Frequency vs. Phase Angle MEV07
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ORDERING INFORMATION
MEV02Z1001FET
MELF series Size Resistance
R500 = 0.5
10R0 = 10
Tolerance
J = 5%
F = 1%
D = 0.5%
C = 0.25%
B = 0.1%
TCR
Z = 15ppm
W = 25ppm
V = 50ppm
T = 100ppm
Tape
and reel
RoHS Compliant
LIGHTNING SURGE
MEV Series
Metal Film Precision MELF Resistor
Pulse Voltage (V)
Resistance (Ω)
10 100 1K 10K 1M100K
10
100
1000
10,000
MEV02
Pulse Voltage (V)
Resistance (Ω)
10 100 1K 10K 1M100K
10
100
1000
10,000
MEV02
1.2/50μs Lightning Surge 10/700μs Lightning Surge
±5% E-24 1.0 1.1 1.2 1.3 1.5 1.6 1.8 2.0 2.2 2.4 2.7 3.0 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.2 6.8 7.5 8.2 9.1
1.00 1.02 1.05 1.07 1.10 1.13 1.15 1.18 1.21 1.24 1.27 1.30 1.33 1.37 1.40 1.43 1.47 1.50 1.54 1.58 1.62 1.65 1.69 1.74
±1% E-96 1.78 1.82 1.87 1.91 1.96 2.00 2.05 2.10 2.15 2.21 2.26 2.32 2.37 2.43 2.49 2.55 2.61 2.67 2.74 2.80 2.87 2.94 3.01 3.09
3.16 3.24 3.32 3.40 3.48 3.57 3.65 3.74 3.83 3.92 4.02 4.12 4.22 4.32 4.42 4.53 4.64 4.75 4.87 4.99 5.11 5.23 5.36 5.49
5.62 5.76 5.90 6.04 6.19 6.34 6.49 6.65 6.81 6.98 7.15 7.32 7.50 7.68 7.87 8.06 8.25 8.45 8.66 8.87 9.09 9.31 9.53 9.76
10.0 10.1 10.2 10.4 10.5 10.6 10.7 10.9 11.0 11.1 11.3 11.4 11.5 11.7 11.8 12.0 12.1 12.3 12.4 12.6 12.7 12.9 13.0 13.2
13.3 13.5 13.7 13.8 14.0 14.2 14.3 14.5 14.7 14.9 15.0 15.2 15.4 15.6 15.8 16.0 16.2 16.4 16.5 16.7 16.9 17.2 17.4 17.6
±0.5% 17.8 18.0 18.2 18.4 18.7 18.9 19.1 19.3 19.6 19.8 20.0 20.3 20.5 20.8 21.0 21.3 21.5 21.8 22.1 22.3 22.6 22.9 23.2 23.4
±0.25% E-192 23.7 24.0 24.3 24.6 24.9 25.2 25.5 25.8 26.1 26.4 26.7 27.1 27.4 27.7 28.0 28.4 28.7 29.1 29.4 29.8 30.1 30.5 30.9 31.2
±0.1% 31.6 32.0 32.4 32.8 33.2 33.6 34.0 34.4 34.8 35.2 35.7 36.1 36.5 37.0 37.4 37.9 38.3 38.8 39.2 39.7 40.2 40.7 41.2 41.7
42.2 42.7 43.2 43.7 44.2 44.8 45.3 45.9 46.4 47.0 47.5 48.1 48.7 49.3 49.9 50.5 51.1 51.7 52.3 53.0 53.6 54.2 54.9 55.6
56.2 56.9 57.6 58.3 59.0 59.7 60.4 61.2 61.9 62.6 63.4 64.2 64.9 65.7 66.5 67.3 68.1 69.0 69.8 70.6 71.5 72.3 73.2 74.1
75.0 75.9 76.8 77.7 78.7 79.6 80.6 81.6 82.5 83.5 84.5 85.6 86.6 87.6 88.7 89.8 90.9 92.0 93.1 94.2 95.3 96.5 97.6 98.8
Resistance Tolerance
1st digit
2st digit
Multiplier
1st digit
2st digit
3st digit
Multiplier
Silver - 10-2
Gold - 10-1
Black 0 100
Brown 1 101
Red 2 102
Orange 3 103
Yellow 4 104
Green 5 105
Blue 6 106
Violet 7 107
Grey 8 108
White 9 109
Resistance more than two significant figures(<1R)
or more than three significant figures(>1R) will not
provide color code.
rev 4/19-2