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High-power Thin Film Consumer Electronics Metal Oxide Film Resistor

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TYPE

L

D

d

P

W1

W2

L1

MOF125

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

MOF 25

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

MOF 50

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

MOF 100

11.0±1.5

4.5±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

MOF 200

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

MOF 300

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

 SPECIFICATIONS

TABLE    -    3

 

DESCRIPTION

MOF-125

MOF-25

MOF-50

MOF-100

MOF-200

MOF-300

STANDARDRESISTANCEVALUERANGE

1Ω- 510KΩ

1Ω- 510KΩ

1Ω- 510KΩ

1Ω- 510KΩ

1Ω- 510KΩ

1Ω- 510KΩ

POWERRATINGAT70

1/ 8W

1/ 4W

1/ 2W

1W

2W

3W

*MAXWORKINGVOLTAGE

200V

250V

250V

350V

350V

500V

*MAXOVERLOADVOLTAGE

400V

600V

600V

600V

600V

800V

OPERATINGTEMPERATURERANGE

-40~+200

-40~+200

-40~+200

-40~+200

-40~+200

-40~+200

TEMPERATURE  COEFFICIENT

±350PPM

±350PPM

±350PPM

±350PPM

±350PPM

±350PPM

TEMPERATURE  CYCLING

±( 1%R+0.05Ω)

±( 1%R+0.05Ω)

±( 1%R+0.05Ω)

±( 1%R+0.05Ω)

±( 1%R+0.05Ω)

±( 1%R+0.05Ω)

INSULATION  RESISTANCE

MIN.1,000MΩ

MIN.1,000MΩ

MIN.1,000MΩ

MIN.1,000MΩ

MIN.1,000MΩ

MIN.1,000MΩ

HUMIDITY

±( 2.5%R+0.05Ω)

±( 2.5%R+0.05Ω)

±( 2.5%R+0.05Ω)

±( 2.5%R+0.05Ω)

±( 2.5%R+0.05Ω)

±( 2.5%R+0.05Ω)

SHORT-TIME  OVERLOAD

±( 2.5%R+0.05Ω)

±( 2.5%R+0.05Ω)

±( 2.5%R+0.05Ω)

±( 2.5%R+0.05Ω)

±( 2.5%R+0.05Ω)

±( 2.5%R+0.05Ω)

SOLDERABILITY

MIN. 80%

COVERED

MIN. 80%

COVERED

MIN. 80%

COVERED

MIN. 80%

COVERED

MIN. 80%

COVERED

MIN. 80%

COVERED

VIBRATION

±(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)

LOADLIFE

±( 5%R+0.15Ω)

±( 5%R+0.15Ω)

±( 5%R+0.15Ω)

±( 5%R+0.15Ω)

±( 5%R+0.15Ω)

±( 5%R+0.15Ω)

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

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  ±(2.5%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  ±(1%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  ±(1%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  ±(1%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  ±(1.5%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  ±(5%R+0.15 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  ±(2.5%R+0.05 Ω).



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