Dimensions

Metal Film MELF Resistor
Uniohm Corporation
Metal Film MELF Resistor
Specifications Per
IEC 115-1 115-2
CECC 40101
DIN 44061
Features
SMD enabled structure
Conformal Multi-layer Coating Against Humidity
Excellent Solderability Termination
Dimensions
Body Length
Body Diameter
Soldering spot
Net Weight
(L)
(D)
(B)
Per 1000 pcs
MM-16
3.45+-0.1mm
1.35+-0.1mm
0.6mm Min.
17 grams
MM-204
3.45+-0.1mm
1.35+-0.1mm
0.6mm Min.
17 grams
MM-207
5.90+-0.2mm
2.20+-0.1mm
1.0mm Min.
66 grams
M-52
5.90+-0.2mm
2.20+-0.1mm
1.0mm Min.
66 grams
Type
1
Metal Film MELF Resistor
Uniohm Corporation
General Specifications
Power
Type
Rating at
70 degree
C
Max.
Max.
Working Overload
Resistance Resistance
Range
Range
Voltage
Voltage
Min.
Max.
MM-16
1/6W
200V
400V
0, 0.1 ohm
1M ohm
MM-204
1/4W
200V
400V
0, 0.1 ohm
1M ohm
MM-207
1/3W
250V
500V
0, 0.1 ohm
10M ohm
MM-52
1/2W
250V
500V
0, 0.1 ohm
10M ohm
Resistance
Tolerance
Standard
Resistance
Value
+- 1%
E-24/E-96
+- 2%, 5%
E-24
+- 1%
E-24/E-96
+- 2%, 5%
E-24
+- 1%
E-24/E-96
+- 2%, 5%
E-24
+- 1%
E-24/E-96
+- 2%, 5%
E-24
For zero-ohm jumper resistance value is under 20m ohm. Rated current is
2A for MM-16 & MM-204, 4A for MM-207 & MM-52.
For 0.001 0.1 ohm please see CSM series. Special sizes, values, and
specifications not listed available on special order.
2
Metal Film MELF Resistor
Uniohm Corporation
Performance Specifications
Characteristics
Temperature Coefficient
Short Time Overload
Dielectric Withstanding Voltage
Limits
+- 1%, 2%
+- 50PPM / degree C
+- 5%
+- 100PPM / degree C
+- (0.5%+0.05R)
MM-16, MM-204: 200VAC
MM-207, MM-52: 500VAC
Insulation Resistance
104M ohm
Temperature Cycling
+- (0.25%+0.05R)
Humidity
+- (1.5%+0.05R)
Load Life In Humidity
+- (1.5%+0.05R)
Load Life (at 70)
+- (1.5%+0.05R)
Resistance To Soldering Heat
+- (0.5%+0.05R)
Solderability
95% Min.
Vibration
+- (1%+0.1R)
Terminal Strength
+- (0.5%+0.05R)
Thermal Shock
+- (0.5%+0.05R)
3