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PRODUCT : METAL FILM FIXED RESISTOR |
TYPE : MF 125/25/50/100/200/300 |
1.APPLICABLE SCOPE :
1.1 This specification is for use in METAL FILM FIXED RESISTORS
1.2 Characteristics and specifications are according to those of : JIS C 5202
1.3 RoHS and REACH compliant product
2. PART NUMBER
It is composed of description , rated wattage , nominal resistance value , tolerance and packaging.
2.1 MakeUp :
R | 2 |
Product Code Nominal Tolerance Packaging Lead Wire diameter Taping width
M Metal Resistance Code Tol. Taping Code Size Code Size
Film 0.125(1/8W) Value F 1% TB in 125: 0.40mm 52mm
25 0.25(1/4W) J 5% box 043 125: 0.43mm 26 26mm
50 0.50(1/2W) 25: 0.40mm 62 62mm
0.60(1/2W) 25: 0.48mm 73mm
100 1.0(1W) 50: 0.48mm
200 2.0(2W) 060 50: 0.60mm
300 3.0(3W) 100: 0.55mm
070 100: 0.70mm
200: 0.70mm
075 200: 0.75mm
300: 0.70mm
075 300: 0.75mm
2.2 Explanation :
Part Number
MF100 0R27 FTB
Description
Metal Film Fixed Resistor , 1W , 0.27Ω, +/-1%, tape in box,
Lead Wire diameter: d=0.55mm, Taping width=52mm.
*Remarks : The power rating of 1/8Wis coded as 125
Hong Kong Resistors Manufactory
HKR
page
2
2.3 Color code indication
Fixed resistors of which the nominal resistance value and tolerance are indicated by color codes as per Table 1 :
TABLE - 1
COLOR | 1STDIGIT | 2NDDIGIT | 3RDDIGIT | MULTIPLIER | TOLERANCE |
BLACK | 0 | 0 | 0 | 1 | |
BROWN | 1 | 1 | 1 | 10 | F(±1%) |
RED | 2 | 2 | 2 | 100 | |
ORANGE | 3 | 3 | 3 | 1,000 | |
YELLOW | 4 | 4 | 4 | 10,000 | |
GREEN | 5 | 5 | 5 | 100,000 | |
BLUE | 6 | 6 | 6 | 1000,000 | |
VIOLET | 7 | 7 | 7 | 10,000,00 | |
GREY | 8 | 8 | 8 | ||
WHITE | 9 | 9 | 9 | ||
GOLD | 0.1 | J(±5%) | |||
SILVER | 0.01 |
Hong Kong Resistors Manufactory
HKR
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3
3. DIMENSIONS :
6mm
L
D
P
d
1.2max
1max
0.8max
W1
TABLE - 2
Unit : mm
TYPE | L | D | d | P | W1 | W2 | L1 |
MF125 | 3.5±0.5 | 1.7±0.5 | 0.40 (0.43)±0.05 | 5±0.3 | 26±1 | 38±1 | 15±1 |
52±1 | 64±1 | 27±1 | |||||
MF25 | 6.0±1.0 | 2.3±0.5 | 0.40 (0.48)±0.05 | 5±0.3 | 26±1 | 38±1 | 14±1 |
52±1 | 64±1 | 26±1 | |||||
MF50 | 9.0±1.0 | 3.0±0.5 | 0.48 (0.60)±0.05 | 5±0.3 | 26±1 | 38±1 | 13±1 |
52±1 | 64±1 | 26±1 | |||||
MF100 | 11.0±1.5 | 4.0±0.5 | 0.55(0.70)±0.05 | 5±0.3 | 52±1 | 64±1 | 25±1 |
62±1.5 | 74±1.5 | 30±1 | |||||
MF200 | 15.0±1.5 | 5.0±0.5 | 0.70(0.75)±0.05 | 10±0.3 | 52±1 | 64±1 | 23±1 |
73±1.5 | 85±1.5 | 34±1 | |||||
MF300 | 17.0±1.5 | 6.0±0.5 | 0.70(0.75)±0.05 | 10±0.3 | 73±1.5 | 85±1.5 | 33±1 |
Hong Kong Resistors Manufactory
HKR
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4
4. SPECIFICATIONS
TABLE - 3
DESCRIPTION | MF-125 | MF-25 | MF-50 | MF-100 | MF-200 | MF-300 |
STANDARDRESISTANCEVALUERANGE | 10Ω- 1MΩ | 10Ω- 1MΩ | 10Ω - 1MΩ | 10Ω- 1MΩ | 10Ω - 1MΩ | 10Ω- 1MΩ |
POWERRATINGAT70℃ | 1/8W | 1/ 4W | 1/2W | 1W | 2W | 3W |
*MAXWORKINGVOLTAGE | 200V | 250V | 350V | 500V | 500V | 500V |
*MAXOVERLOADVOLTAGE | 400V | 500V | 700V | 1,000V | 1,000V | 1,000V |
OPERATINGTEMPERATURERANGE | -55℃~+135℃ | -55℃~+135℃ | -55℃~+135℃ | -55℃~+155℃ | -55℃~+155℃ | -55℃~+155℃ |
TEMPERATURE COEFFICIENT | ±100PPM | ±100PPM | ±100PPM | ±100PPM | ±100PPM | ±100PPM |
TEMPERATURE CYCLING | ±(0.5%R+0.05Ω) | ±(0.5%R+0.05Ω) | ±(0.5%R+0.05Ω) | ±(0.5%R+0.05Ω) | ±(0.5%R+0.05Ω) | ±(0.5%R+0.05Ω) |
INSULATION RESISTANCE | MIN.1,000 MΩ | MIN.1,000 MΩ | MIN.1,000 MΩ | MIN.1,000 MΩ | MIN.1,000 MΩ | MIN.1,000 MΩ |
HUMIDITY | ±(1.5%R+0.05Ω) | ±(1.5%R+0.05Ω) | ±(1.5%R+0.05Ω) | ±(1.5%R+0.05Ω) | ±(1.5%R+0.05Ω) | ±(1.5%R+0.05Ω) |
SHORT-TIME OVERLOAD | ±(0.5%R+0.05Ω) | ±(0.5%R+0.05Ω) | ±(0.5%R+0.05Ω) | ±(0.5%R+0.05Ω) | ±(0.5%R+0.05Ω) | ±(0.5%R+0.05Ω) |
SOLDERABILITY | MIN.95% COVERED | MIN.95% COVERED | MIN.95% COVERED | MIN.95% COVERED | MIN.95% COVERED | MIN.95% COVERED |
VIBRATION | ±(0.5%R+0.05Ω) | ±(0.5%R+0.05Ω) | ±(0.5%R+0.05Ω) | ±(0.5%R+0.05Ω) | ±(0.5%R+0.05Ω) | ±(0.5%R+0.05Ω) |
LOADLIFE | ±(2%R+0.05Ω) | ±(2%R+0.05Ω) | ±(2%R+0.05Ω) | ±(2%R+0.05Ω) | ±(2%R+0.05Ω) | ±(2%R+0.05Ω) |
* The working voltage is calculated based on the resistance value following the formula of V=√(P*R) or to its maximum extent as indicated above
* The overload voltage is calculated based on the resistance value following the formula of V= 2.5 *√(P*R) or to its maximum extent as indicated above
5. POWER DERATING CURVE
100
80
60
40
20
0
-60 -55 -40 -20 0 20 40 60 80 100 120 140 155
AMBIENT TEMPERATURE (℃)
Hong Kong Resistors Manufactory
HKR
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5
6. STRUCTURAL DIAGRAM
6
5
4
2
3
(1) | CORE | CERAMIC ROD |
(2) | RESISTANCE FILM | METAL FILM |
(3) | TERMINAL | TINNED IRON CAP |
(4) | CONNECTION | ELECTRIC WELDING |
(5) | LEAD WIRE | SOLDERED OR TINNED ANNEALED COPPER WIRE |
(6) | UNDERCOAT | ELECTRIC INSULATION VARNISH |
(7) FINISHING PAINTING | ELECTRIC INSULATION PAINT |
(8) INDICATION | COLOR CODE INK |
TABLE – 4
RATED RESISTANCE VALUE | MAX. TESTING VOLTAGE | |
0.125W / 0.25W | 0.5W / 1W / 2W / 3W | |
0.1Ω三R<10Ω | 0.3 | 0.3 |
10Ω三R<100Ω | 0.3 | 1 |
100Ω三R<1KΩ | 1 | 3 |
1KΩ三R<10KΩ | 3 | 10 |
10KΩ三R<100KΩ | 10 | 30 |
100KΩ三R<1MΩ | 30 | 50 |
1MΩ三R | 50 | 100 |
HKR
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PRODUCT : METAL FILM FIXED RESISTOR |
TYPE : MF 125/25/50/100/200/300 |
7. CHARACTERISTICS TABLE – 5
DC RESISTANCE VALUE | TEST METHOD MIL-STD-202 ITEM 303 | VOLTAGE AS TABLE -4. TEMPERATURE 25 ±2℃. AQL 0.25%. |
VOLTAGE WITHSTAND |
TEST METHOD MIL-STD-202 ITEM 301 | V-BLOCK METHOD. VOLTAGE AS TABLE -3 ×1.42 , 1 MIN. AQL 1%. |
SHORT TIME OVERLOAD |
TEST METHOD JIS C 5202 ITEM 5.5 | RATED VOLTAGE X 2.5 TIMES OR MAX.WORKINGVOLTAGE X 2 TIMES. ABOVE TEST 5 SEC. THE RESISTANCE VALUE CHANGE RATE SHALL BE WITHIN ±(0.5%R+0.05 Ω). |
INTERMITTENT OVERLOAD |
TEST METHOD JIS C 5202 ITEM 5.8 | RATED VOLTAGEX4 TIMES, (1 SEC ON, 25 SEC OFF). ABOVE TEST 10,000 CYCLES. THE RESISTANCE VALUE CHANGE RATE SHALL BE WITHIN ±(0.5%R+0.05 Ω). |
TERMINAL STRENGTH |
TEST METHOD MIL-STD-202 ITEM 211 | TENSILE STRENGTH : 1KG TENSIONAL STRENGTH : 180。, 2 CYCLES. BENDING STRENGTH : 0.5KG, 2 TIMES. THE RESISTANCE VALUE CHANGE RATE SHALL BE WITHIN ±(0.5%R+0.05 Ω). |
SOLDERABILITY OF TERMINAL |
TEST METHOD MIL-STD-202 ITEM 210 | 260±5℃ 10±1SEC. AFTER TESTING, LEAVE FOR 3 HOURS. THE RESISTANCE VALUE CHANGE RATE SHALL BE WITHIN ±(0.5%R+0.05 Ω). |
TEMPERATURE CYCLE |
TEST METHOD MIL-STD-202 ITEM 107 | LOW SIDE TEMPERATURE : -55℃±3℃ 30MIN. ROOM TEMPERATURE : 10-15MIN. HIGH SIDE TEMPERATURE :+125℃±3℃ 30MIN. ROOM TEMPERATURE : 10-15MIN. ABOVE TEST 5 CYCLES AFTER LAST CYCLE, LEAVE FOR 1-3 HOURS. THE RESISTANCE VALUE CHANGE RATE SHALL BE WITHIN ±(0.5%R+0.05 Ω). |
VIBRATION WITHSTAND |
TEST METHOD MIL-STD-202 ITEM 204 | X, Y, Z-EACH DIRECTION 2 HOURS. AMPLITUDE 0.75MM. RANGE : 10HZ ~ 500HZ. THE RESISTANCE VALUE CHANGE RATE SHALL BE WITHIN ±(0.5%R+0.05 Ω). |
LOAD LIFE |
TEST METHOD MIL-STD-202 ITEM 108 | 70。±2℃. 1000 HOURS RATED VOLTAGE (1.5 HOURS ON, 0.5 HOUR OFF). THE RESISTANCE VALUE CHANGE RATE SHALL BE WITHIN ±(2%R+0.05 Ω). |
RESISTANCE TEMPERATURE COEFFICIENT |
TEST METHOD MIL-STD-202 ITEM 304 | THE RESISTANCE VALUE CHANGE RATE SHALL BE AS TABLE – 3. |
LOAD LIFE IN HUMIDITY |
TEST METHOD MIL-STD-202 ITEM 103 | THE RESISTANCE VALUE CHANGE RATE SHALL BE WITHIN ±(1.5%R+0.05 Ω). |
HKR
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1/7
PRODUCT : METAL FILM FIXED RESISTOR |
TYPE : MF 125/25/50/100/200/300 |
1.APPLICABLE SCOPE :
1.1 This specification is for use in METAL FILM FIXED RESISTORS
1.2 Characteristics and specifications are according to those of : JIS C 5202
1.3 RoHS and REACH compliant product
2. PART NUMBER
It is composed of description , rated wattage , nominal resistance value , tolerance and packaging.
2.1 MakeUp :
R | 2 |
Product Code Nominal Tolerance Packaging Lead Wire diameter Taping width
M Metal Resistance Code Tol. Taping Code Size Code Size
Film 0.125(1/8W) Value F 1% TB in 125: 0.40mm 52mm
25 0.25(1/4W) J 5% box 043 125: 0.43mm 26 26mm
50 0.50(1/2W) 25: 0.40mm 62 62mm
0.60(1/2W) 25: 0.48mm 73mm
100 1.0(1W) 50: 0.48mm
200 2.0(2W) 060 50: 0.60mm
300 3.0(3W) 100: 0.55mm
070 100: 0.70mm
200: 0.70mm
075 200: 0.75mm
300: 0.70mm
075 300: 0.75mm
2.2 Explanation :
Part Number
MF100 0R27 FTB
Description
Metal Film Fixed Resistor , 1W , 0.27Ω, +/-1%, tape in box,
Lead Wire diameter: d=0.55mm, Taping width=52mm.
*Remarks : The power rating of 1/8Wis coded as 125
Hong Kong Resistors Manufactory
HKR
page
2
2.3 Color code indication
Fixed resistors of which the nominal resistance value and tolerance are indicated by color codes as per Table 1 :
TABLE - 1
COLOR | 1STDIGIT | 2NDDIGIT | 3RDDIGIT | MULTIPLIER | TOLERANCE |
BLACK | 0 | 0 | 0 | 1 | |
BROWN | 1 | 1 | 1 | 10 | F(±1%) |
RED | 2 | 2 | 2 | 100 | |
ORANGE | 3 | 3 | 3 | 1,000 | |
YELLOW | 4 | 4 | 4 | 10,000 | |
GREEN | 5 | 5 | 5 | 100,000 | |
BLUE | 6 | 6 | 6 | 1000,000 | |
VIOLET | 7 | 7 | 7 | 10,000,00 | |
GREY | 8 | 8 | 8 | ||
WHITE | 9 | 9 | 9 | ||
GOLD | 0.1 | J(±5%) | |||
SILVER | 0.01 |
Hong Kong Resistors Manufactory
HKR
page
3
3. DIMENSIONS :
6mm
L
D
P
d
1.2max
1max
0.8max
W1
TABLE - 2
Unit : mm
TYPE | L | D | d | P | W1 | W2 | L1 |
MF125 | 3.5±0.5 | 1.7±0.5 | 0.40 (0.43)±0.05 | 5±0.3 | 26±1 | 38±1 | 15±1 |
52±1 | 64±1 | 27±1 | |||||
MF25 | 6.0±1.0 | 2.3±0.5 | 0.40 (0.48)±0.05 | 5±0.3 | 26±1 | 38±1 | 14±1 |
52±1 | 64±1 | 26±1 | |||||
MF50 | 9.0±1.0 | 3.0±0.5 | 0.48 (0.60)±0.05 | 5±0.3 | 26±1 | 38±1 | 13±1 |
52±1 | 64±1 | 26±1 | |||||
MF100 | 11.0±1.5 | 4.0±0.5 | 0.55(0.70)±0.05 | 5±0.3 | 52±1 | 64±1 | 25±1 |
62±1.5 | 74±1.5 | 30±1 | |||||
MF200 | 15.0±1.5 | 5.0±0.5 | 0.70(0.75)±0.05 | 10±0.3 | 52±1 | 64±1 | 23±1 |
73±1.5 | 85±1.5 | 34±1 | |||||
MF300 | 17.0±1.5 | 6.0±0.5 | 0.70(0.75)±0.05 | 10±0.3 | 73±1.5 | 85±1.5 | 33±1 |
Hong Kong Resistors Manufactory
HKR
page
4
4. SPECIFICATIONS
TABLE - 3
DESCRIPTION | MF-125 | MF-25 | MF-50 | MF-100 | MF-200 | MF-300 |
STANDARDRESISTANCEVALUERANGE | 10Ω- 1MΩ | 10Ω- 1MΩ | 10Ω - 1MΩ | 10Ω- 1MΩ | 10Ω - 1MΩ | 10Ω- 1MΩ |
POWERRATINGAT70℃ | 1/8W | 1/ 4W | 1/2W | 1W | 2W | 3W |
*MAXWORKINGVOLTAGE | 200V | 250V | 350V | 500V | 500V | 500V |
*MAXOVERLOADVOLTAGE | 400V | 500V | 700V | 1,000V | 1,000V | 1,000V |
OPERATINGTEMPERATURERANGE | -55℃~+135℃ | -55℃~+135℃ | -55℃~+135℃ | -55℃~+155℃ | -55℃~+155℃ | -55℃~+155℃ |
TEMPERATURE COEFFICIENT | ±100PPM | ±100PPM | ±100PPM | ±100PPM | ±100PPM | ±100PPM |
TEMPERATURE CYCLING | ±(0.5%R+0.05Ω) | ±(0.5%R+0.05Ω) | ±(0.5%R+0.05Ω) | ±(0.5%R+0.05Ω) | ±(0.5%R+0.05Ω) | ±(0.5%R+0.05Ω) |
INSULATION RESISTANCE | MIN.1,000 MΩ | MIN.1,000 MΩ | MIN.1,000 MΩ | MIN.1,000 MΩ | MIN.1,000 MΩ | MIN.1,000 MΩ |
HUMIDITY | ±(1.5%R+0.05Ω) | ±(1.5%R+0.05Ω) | ±(1.5%R+0.05Ω) | ±(1.5%R+0.05Ω) | ±(1.5%R+0.05Ω) | ±(1.5%R+0.05Ω) |
SHORT-TIME OVERLOAD | ±(0.5%R+0.05Ω) | ±(0.5%R+0.05Ω) | ±(0.5%R+0.05Ω) | ±(0.5%R+0.05Ω) | ±(0.5%R+0.05Ω) | ±(0.5%R+0.05Ω) |
SOLDERABILITY | MIN.95% COVERED | MIN.95% COVERED | MIN.95% COVERED | MIN.95% COVERED | MIN.95% COVERED | MIN.95% COVERED |
VIBRATION | ±(0.5%R+0.05Ω) | ±(0.5%R+0.05Ω) | ±(0.5%R+0.05Ω) | ±(0.5%R+0.05Ω) | ±(0.5%R+0.05Ω) | ±(0.5%R+0.05Ω) |
LOADLIFE | ±(2%R+0.05Ω) | ±(2%R+0.05Ω) | ±(2%R+0.05Ω) | ±(2%R+0.05Ω) | ±(2%R+0.05Ω) | ±(2%R+0.05Ω) |
* The working voltage is calculated based on the resistance value following the formula of V=√(P*R) or to its maximum extent as indicated above
* The overload voltage is calculated based on the resistance value following the formula of V= 2.5 *√(P*R) or to its maximum extent as indicated above
5. POWER DERATING CURVE
100
80
60
40
20
0
-60 -55 -40 -20 0 20 40 60 80 100 120 140 155
AMBIENT TEMPERATURE (℃)
Hong Kong Resistors Manufactory
HKR
page
5
6. STRUCTURAL DIAGRAM
6
5
4
2
3
(1) | CORE | CERAMIC ROD |
(2) | RESISTANCE FILM | METAL FILM |
(3) | TERMINAL | TINNED IRON CAP |
(4) | CONNECTION | ELECTRIC WELDING |
(5) | LEAD WIRE | SOLDERED OR TINNED ANNEALED COPPER WIRE |
(6) | UNDERCOAT | ELECTRIC INSULATION VARNISH |
(7) FINISHING PAINTING | ELECTRIC INSULATION PAINT |
(8) INDICATION | COLOR CODE INK |
TABLE – 4
RATED RESISTANCE VALUE | MAX. TESTING VOLTAGE | |
0.125W / 0.25W | 0.5W / 1W / 2W / 3W | |
0.1Ω三R<10Ω | 0.3 | 0.3 |
10Ω三R<100Ω | 0.3 | 1 |
100Ω三R<1KΩ | 1 | 3 |
1KΩ三R<10KΩ | 3 | 10 |
10KΩ三R<100KΩ | 10 | 30 |
100KΩ三R<1MΩ | 30 | 50 |
1MΩ三R | 50 | 100 |
HKR
page
6
PRODUCT : METAL FILM FIXED RESISTOR |
TYPE : MF 125/25/50/100/200/300 |
7. CHARACTERISTICS TABLE – 5
DC RESISTANCE VALUE | TEST METHOD MIL-STD-202 ITEM 303 | VOLTAGE AS TABLE -4. TEMPERATURE 25 ±2℃. AQL 0.25%. |
VOLTAGE WITHSTAND |
TEST METHOD MIL-STD-202 ITEM 301 | V-BLOCK METHOD. VOLTAGE AS TABLE -3 ×1.42 , 1 MIN. AQL 1%. |
SHORT TIME OVERLOAD |
TEST METHOD JIS C 5202 ITEM 5.5 | RATED VOLTAGE X 2.5 TIMES OR MAX.WORKINGVOLTAGE X 2 TIMES. ABOVE TEST 5 SEC. THE RESISTANCE VALUE CHANGE RATE SHALL BE WITHIN ±(0.5%R+0.05 Ω). |
INTERMITTENT OVERLOAD |
TEST METHOD JIS C 5202 ITEM 5.8 | RATED VOLTAGEX4 TIMES, (1 SEC ON, 25 SEC OFF). ABOVE TEST 10,000 CYCLES. THE RESISTANCE VALUE CHANGE RATE SHALL BE WITHIN ±(0.5%R+0.05 Ω). |
TERMINAL STRENGTH |
TEST METHOD MIL-STD-202 ITEM 211 | TENSILE STRENGTH : 1KG TENSIONAL STRENGTH : 180。, 2 CYCLES. BENDING STRENGTH : 0.5KG, 2 TIMES. THE RESISTANCE VALUE CHANGE RATE SHALL BE WITHIN ±(0.5%R+0.05 Ω). |
SOLDERABILITY OF TERMINAL |
TEST METHOD MIL-STD-202 ITEM 210 | 260±5℃ 10±1SEC. AFTER TESTING, LEAVE FOR 3 HOURS. THE RESISTANCE VALUE CHANGE RATE SHALL BE WITHIN ±(0.5%R+0.05 Ω). |
TEMPERATURE CYCLE |
TEST METHOD MIL-STD-202 ITEM 107 | LOW SIDE TEMPERATURE : -55℃±3℃ 30MIN. ROOM TEMPERATURE : 10-15MIN. HIGH SIDE TEMPERATURE :+125℃±3℃ 30MIN. ROOM TEMPERATURE : 10-15MIN. ABOVE TEST 5 CYCLES AFTER LAST CYCLE, LEAVE FOR 1-3 HOURS. THE RESISTANCE VALUE CHANGE RATE SHALL BE WITHIN ±(0.5%R+0.05 Ω). |
VIBRATION WITHSTAND |
TEST METHOD MIL-STD-202 ITEM 204 | X, Y, Z-EACH DIRECTION 2 HOURS. AMPLITUDE 0.75MM. RANGE : 10HZ ~ 500HZ. THE RESISTANCE VALUE CHANGE RATE SHALL BE WITHIN ±(0.5%R+0.05 Ω). |
LOAD LIFE |
TEST METHOD MIL-STD-202 ITEM 108 | 70。±2℃. 1000 HOURS RATED VOLTAGE (1.5 HOURS ON, 0.5 HOUR OFF). THE RESISTANCE VALUE CHANGE RATE SHALL BE WITHIN ±(2%R+0.05 Ω). |
RESISTANCE TEMPERATURE COEFFICIENT |
TEST METHOD MIL-STD-202 ITEM 304 | THE RESISTANCE VALUE CHANGE RATE SHALL BE AS TABLE – 3. |
LOAD LIFE IN HUMIDITY |
TEST METHOD MIL-STD-202 ITEM 103 | THE RESISTANCE VALUE CHANGE RATE SHALL BE WITHIN ±(1.5%R+0.05 Ω). |
