MLFA Series
Metal Film Melf Resistor – AEC-Q200 Qualified
Features:
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Stackpole Electronics, Inc.
Resistive Product Solutions
Thin film technology for precision and stability
Excellent power to size ratio
Outstanding pulse handling
Excellent overall stability
Sn termination on Ni barrier layer
Tight tolerance down to ±0.1%
Extremely low TCR down to ±15ppm/ºC
High power rating up to 1 Watt
SMD enabled structure
AEC-Q200 qualified
RoHS compliant, lead-free and halogen-free
Electrical Specifications
Type/Code
Package
Size
Power Rating
(Watts)
@ 70ºC
0.3W
Jumper: 2A
Maximum
Working
Voltage
200V
(1)
Maximum
Overload
Voltage
400V
(2)
Resistance
Temperature
Coefficient
±50 ppm/ºC
±100 ppm/ºC
-
±15 ppm/ºC
±25 ppm/ºC
Ohmic Range (Ω) and Tolerance
0.1%
-
-
0Ω (<15mΩ)
10 - 300K
10 - 1M
10 - 1M
-
0Ω (<15mΩ)
10 - 300K
10 - 1M
10 - 1M
-
0Ω (<15mΩ)
1 - 1M
0.2 - 1M
0.1 - 1M
1 - 1M
0.2 - 1M
0.1 - 1M
0.5%
1%
8.2 - 1M
8.2 - 1M
5%
MLFA13
(3)
0102
MLFA25
0204
0.4W
200V
400V
±50 ppm/ºC
±100 ppm/ºC
-
±15 ppm/ºC
±25 ppm/ºC
Jumper: 2A
MLFA1
0207
1W
350V
700V
±50 ppm/ºC
±100 ppm/ºC
-
Jumper: 4A
(1)
(2)
Working Voltage = √(P*R) or Max. Operating Voltage listed above, whichever is lower.
Overload Voltage = 2.5*√(P*R) or Max. Overload Voltage listed above, whichever is lower.
(3)
Lower TCR with lower Power Ratings may be available - contact factory
Mechanical Specifications
Type/Code
MLFA13
MLFA25
MLFA1
Weight (g)
(1000 pc)
7.7
18.7
80.9
L
Body Length
0.087 ± 0.004
2.20 ± 0.10
0.138 ± 0.008
3.50 ± 0.20
0.232 ± 0.008
5.90 ± 0.20
D
Body Diameter
0.043 ± 0.004
1.10 ± 0.10
0.055 ± 0.006
1.40 ± 0.15
0.087 ± 0.008
2.20 ± 0.20
K
Termination
0.018 ± 0.002
0.45 ± 0.05
0.031 ± 0.004
0.80 ± 0.10
0.051 ± 0.004
1.30 ± 0.10
Unit
inches
mm
inches
mm
inches
mm
Operating Temperature Range: -55 ~ +155°C
Rev Date: 08/14/2018
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
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MLFA Series
Metal Film Melf Resistor – AEC-Q200 Qualified
Power Derating Curve:
100
80
60
40
20
Stackpole Electronics, Inc.
Resistive Product Solutions
-55ºC
70ºC
155ºC
0
-60
0
20
40
60
80
100
120
140
160
180
Ambient Temperature (ºC)
Performance Characteristics
Test
Temperature Coefficient of
Resistance (T.C.R.)
Test Method
JIS-C-5201-1 4.8
IEC-60115-1 4.8
-55ºC ~ +125ºC, 25ºC is the reference temperature
JIS-C-5201-1 4.13
IEC-60115-1 4.13
RCWV*2.5 or max. overload voltage whichever is
lower for 5 seconds
JIS-C-5201-1 4.6
IEC-60115-1 4.6
Max. overload voltage for 1 minute
JIS-C-5201-1 4.25
IEC-60115-1 4.25.1
70±2ºC, RCWV for 1000 hours
with 1.5 hour "ON" and 0.5 hour "OFF"
MIL-STD-202 Method 103
1000 hours 85°C/85% RH 10% of operating power
MIL-STD-202 Method 108
at +155°C for 1000 hours
AEC-Q200-005
Bending once for 60 seconds with 2mm
JIS-C-5201-1 4.17
IEC-60115-1 4.17
J-STD-002
245±5ºC for 3 seconds
MIL-STD-202 Method 210
260±5ºC for 10 seconds
JIS-C-5201-1 4.7
IEC-60115-1 4.7
1.42 times max. operating voltage for 1 minute
Test Specification
As specified
10Ω-270KΩ:±(0.1%+0.05Ω)
<10Ω&>270KΩ:±(0.15%+0.05Ω)
MLFA13: ±(0.15%+0.05Ω)
≥10G
10Ω-270KΩ:±(0.25%+0.05Ω)
<10Ω&>270KΩ:±(0.5%+0.05Ω)
MLFA13: ±(0.5%+0.05Ω)
10Ω-270KΩ:±(0.5%+0.05Ω)
<10Ω&>270KΩ:±(1%+0.05Ω)
MLFA13: ±(2%+0.05Ω)
10Ω-270KΩ:±(0.25%+0.05Ω)
<10Ω&>270KΩ:±(0.5%+0.05Ω)
MLFA13: ±(1%+0.05Ω)
10Ω-270KΩ:±(0.1%+0.05Ω)
<10Ω&>270KΩ:±(0.5%+0.05Ω)
MLFA13: ±(0.5%+0.05Ω)
95% min. coverage
10Ω-270KΩ:±(0.1%+0.05Ω)
<10Ω&>270KΩ:±(0.25%+0.05Ω)
MLFA13: ±(0.25%+0.05Ω)
No breakdown or flashover
Short Time Overload
Insulation Resistance
Endurance
Biased Humidity
High Temperature Exposure
Board Flex
Solderability
Resistance to Soldering Heat
Voltage Proof
Rev Date: 08/14/2018
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
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MLFA Series
Metal Film Melf Resistor – AEC-Q200 Qualified
Stackpole Electronics, Inc.
Resistive Product Solutions
Performance Characteristics
(cont.)
Test
Leaching
Test Method
JIS-C-5201-1 4.18
IEC-60068-2-58 8.2.1
260±5ºC for 30 seconds
JESD22 Method JA-104
-55°C to +125°C, 1000 cycles
Test Specification
Individual leaching area
≤5%
Total leaching area
≤10%
10Ω-270KΩ:±(0.25%+0.05Ω)
<10Ω&>270KΩ:±(0.5%+0.05Ω)
MLFA13: ±(1%+0.05Ω)
Temperature Cycling
MIL-STD-202 Method 213
Mechanical Shock
±(0.25%+0.05Ω)
Wave Form: Tolerance for half sine shock pulse.
Peak value is 100g's. Normal duration (D) is 6.
MIL-STD-202 Method 204
Vibration
±(0.5%+0.05Ω)
5 g's for 20 minutes., 12 cycles each of 3 orientations,
10-2000 Hz
AEC-Q200-002
ESD
±(0.5%+0.05Ω)
Human body, 2KV
MIL-STD-202 Method 215
No visible damage on appearance
Resistance to Solvents
Add aqueous wash chemical - OKEM clean or
and marking.
equivalent. Do not use banned solvents.
AEC-Q200-006
Terminal Strength
No breakage
Force of 1.8 Kg for 60 seconds
UL-94
No ignition of the tissue paper or
Flammability
V-0 or V-1 are acceptable. Electrical test not required.
scorching of the pinewood board
RCWV (rated continuous working voltage) =
√(P*R)
or max. operating voltage whichever is lower.
Storage temperature: 15~28 ºC. Humidity < 80% R.H.
Temperature Rise
Rev Date: 08/14/2018
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
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MLFA Series
Metal Film Melf Resistor – AEC-Q200 Qualified
Stackpole Electronics, Inc.
Resistive Product Solutions
Reel Specifications
Type/Code
MLFA13
MLFA25
MLFA1
Reel Diameter
0.276
7.00
0.276
7.00
0.276
7.00
7.028
178.50
7.028
178.50
7.028
178.50
øA
±
±
±
±
±
±
0.059
1.50
0.059
1.50
0.059
1.50
2.362
60.00
2.362
60.00
2.362
60.00
øB
±
±
±
±
±
±
0.039
1.00
0.039
1.00
0.039
1.00
0.512
13.00
0.512
13.00
0.512
13.00
øC
±
±
±
±
±
±
0.008
0.20
0.008
0.20
0.020
0.50
0.354
9.00
0.354
9.00
0.512
13.00
W
±
±
±
±
±
±
0.020
0.50
0.020
0.50
0.020
0.50
0.492
12.50
0.492
12.50
0.610
15.50
T
±
±
±
±
±
±
0.020
0.50
0.020
0.50
0.020
0.50
Unit
inches
mm
inches
mm
inches
mm
Packaging Specifications - Embossed Plastic Tape
Type/Code
MLFA13
MLFA25
MLFA1
Type/Code
MLFA13
MLFA25
MLFA1
0.157
4.00
0.157
4.00
0.157
4.00
A
0.051
1.30
0.061
1.55
0.094
2.40
± 0.004
± 0.10
± 0.004
± 0.10
± 0.004
± 0.10
P1
±
±
±
±
±
±
0.004
0.10
0.004
0.10
0.004
0.10
B
0.094
2.40
0.144
3.65
0.242
6.15
0.079
2.00
0.079
2.00
0.079
2.00
W
0.315
8.00
0.315
8.00
0.472
12.00
0.059
1.50
0.059
1.50
0.059
1.50
E
0.069
1.75
0.069
1.75
0.069
1.75
± 0.004
± 0.10
± 0.004
± 0.10
± 0.004
± 0.10
D1
min.
min.
min.
min.
min.
min.
F
0.138
3.50
0.138
3.50
0.217
5.50
0.059
1.50
0.071
1.80
0.106
2.70
P0
0.002
0.05
0.002
0.05
0.002
0.05
0.004
0.10
0.004
0.10
0.004
0.10
Unit
0.004
0.10
0.004
0.10
0.004
0.10
inches
mm
inches
mm
inches
mm
± 0.004
± 0.10
± 0.004
± 0.10
± 0.004
± 0.10
P2
±
±
±
±
±
±
0.002
0.05
0.002
0.05
0.002
0.05
± 0.004
± 0.10
± 0.004
± 0.10
± 0.004
± 0.10
D0
±
±
±
±
±
±
0.004
0.10
0.004
0.10
0.004
0.10
±
±
±
±
±
±
T
±
±
±
±
±
±
0.157
4.00
0.157
4.00
0.157
4.00
Unit
inches
mm
inches
mm
inches
mm
±
±
±
±
±
±
0.035
0.90
0.035
0.90
0.055
1.40
Rev Date: 08/14/2018
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
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marketing@seielect.com
MLFA Series
Metal Film Melf Resistor – AEC-Q200 Qualified
Stackpole Electronics, Inc.
Resistive Product Solutions
Recommended Pad Layout
Type/Code
MLFA13
MLFA25
MLFA1
A
0.039
1.00
0.063
1.60
0.118
3.00
B
0.031
0.80
0.047
1.20
0.067
1.70
C
0.059
1.50
0.063
1.60
0.094
2.40
Unit
inches
mm
inches
mm
inches
mm
Soldering Condition:
(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
Rev Date: 08/14/2018
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
5
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marketing@seielect.com
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