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| Quantity: | |
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1. APPLICABLE SCOPE:
1.1 Thisspecification is for use in WIREWOUNDRESISTORS
1.2 Characteristics and specifications are according to those of : JIS C5201
1.3 RoHS and REACH compliantproduct
| Unit:mm | |||||||
| TYPE | L | D | d | P | W1 | W2 | L1 |
| WR50 | 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 | |||||
| WR100 | 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 | |||||
| WR200 | 15.0±1.5 | 5.0±0.5 | 0.70(0.78)±0.05 | 10±0.3 | 52±1 | 64±1 | 23±1 |
| 73±1.5 | 85±1.5 | 34±1 | |||||
| WR300 | 17.0±1.5 | 6.0±0.5 | 0.70(0.78)±0.05 | 10±0.3 | 73±1.5 | 85±1.5 | 33±1 |
| WR500 | 24.0+1.5 | 8.0±0.5 | 0.70(0.78)±0.05 | 10±0.3 | 73±1.5 | 85±1.5 | 29±2 |
| DESCRIPTION | WR-50 | WR-100 | WR-200 | WR-300 | WR-300 |
| STANDARD RESISTANCE VALUE RANGE | Wire Wound Resistors:0.05Ω-1KΩ Non-inductive:0.1Ω-680Ω | ||||
| POWER RATINGAT 70℃ | 1/2W | 1W | 2W | 3W | 5W |
| *MAX WORKING VOLTAGE | 350V | 500V | 500V | 500V | 500V |
| *MAX OVERLOAD VOLTAGE | 700V | 1,000V | 1,000V | 1,000V | 1,000V |
| OPERATING TEMPERATURE RANGE | -55℃~+255℃ | -55℃~+255℃ | -55℃~+255℃ | -55℃~+255℃ | -55℃~+255℃ |
| TEMPERATURE COEFFICIENT | 12>±350PPM 12<±500PPM | ||||
| TEMPERATURE CYCLING | ±(2%R+0.05Q) | ±(2%R+0.05Q) | ±(2%R+0.05Q) | ±(2%R+0.05Ω) | ±(2%R+0.05Ω) |
| INSULATION RESISTANCE | MIN.1,000 MQ | MIN.1,000 MQ | MIN.1,000 MΩ | MIN.1,000 MQ | MIN.1,000 MQ |
| HUMIDITY | ±(5%R+0.05Ω) | ±(5%R+0.05Ω) | ±(5%R+0.05Ω) | ±(5%R+0.05Q) | ±(5%R+0.05Q) |
| SHORT-TIME OVERLOAD | ±(2%R+0.05Ω) | ±(2%R+0.05Q) | ±(2%R+0.05Q) | ±(2%R+0.05Ω) | ±(2%R+0.05Ω) |
| SOLDERABILITY | MIN.95% COVERED | MIN.95% COVERED | MIN.95% COVERED | MIN.95% COVERED | MIN.95% COVERED |
| VIBRATION | ±(1%R+0.05Ω) | ±(1%R+0.05Q) | ±(1%R+0.05Q) | ±(1%R+0.05Q) | ±(1%R+0.05Ω) |
| LOAD LIFE | ±(5%R+0.05Ω) | ±(5%R+0.05Q) | ±(5%R+0.05②) | ±(5%R+0.05②) | ±(5%R+0.05Ω) |
| DC RESISTANCE VALUE | TEST METHOD MIL-STD-202ITEM 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-3x1.42,1 MIN. AQL1%. |
| SHORT TIME OVERLOAD | TEST METHOD JIS C 5202 ITEM 5.5 | RATED VOLTAGEx2.5 TIMES OR MAX.WORKINGVOLTAGE×2 TIMES. ABOVE TEST 5 SEC. THE RESISTANCE VALUECHANGE RATE SHALL BE WITHIN±(2%R+0.05Ω) |
TERMINAL STRENGTH | TEST METHOD MIL-STD-202ITEM 211 | TENSILE STRENGTH:1KG TENSIONAL STRENGTH:180,2 CYCLES. BENDING STRENGTH:0.5KG,2 TIMES. THE RESISTANCE VALUE CHANGERATE SHALL BE WITHIN±(0.5%R+0.05Ω) |
| SOLDERABILITY OF TERMINAL | TEST METHOD MIL-STD-202ITEM210 | 260±5℃ 10±1SEC. AFTER TESTING,LEAVEFOR 3 HOURS. THE RESISTANCE VALUE CHANGERATE SHALL BE WITHIN±(1%R+0.05 Ω) |
| TEMPERATURE CYCLE | TEST METHOD MIL-STD-202ITEM 107 | LOW SIDE TEMPERATURE:-55℃+3℃ 30MIN. ROOM TEMPERATURE:10-15MIN HIGH SIDE TEMPERATURE:+125℃±3℃ 30MIN. ROOM TEMPERATURE:10-15MIN. ABOVE TEST5 CYCLES AFTER LAST CYCLE,LEAVE FOR 1-3 HOURS. THE RESISTANCE VALUE CHANGERATE SHALL BE WITHIN±(2%R+0.05 Ω) |
| VIBRATION WITHSTAND | TEST METHOD MIL-STD-202ITEM 204 | X,Y,Z-EACH DIRECTION 2 HOURS. AMPLITUDE 0.75MM. RANGE:10HZ～500HZ. THE RESISTANCE VALUE CHANGERATE SHALL BE WITHIN±(1%R+0.05Ω) |
| LOAD LIFE | TEST METHOD MIL-STD-202ITEM 108 | 70+2℃. 1000 HOURS RATED VOLTAGE(1.5 HOURS ON,0.5 HOUR OFF). THE RESISTANCE VALUE CHANGERATE SHALL BE WITHIN±(5%R+0.05 Ω) |
| RESISTANCE TEMPERATURE COEFFICIENT | TEST METHOD MIL-STD-202 ITEM 304 | THE RESISTANCE VALUE CHANGERATE SHALL BE AS TABLE-3. |
| LOAD LIFE IN HUMIDITY | TEST METHOD MIL-STD-202 ITEM 103 | THE RESISTANCE VALUE CHANGERATE SHALL BE WITHIN±(5%R+0.05Ω). |
1. APPLICABLE SCOPE:
1.1 Thisspecification is for use in WIREWOUNDRESISTORS
1.2 Characteristics and specifications are according to those of : JIS C5201
1.3 RoHS and REACH compliantproduct
| Unit:mm | |||||||
| TYPE | L | D | d | P | W1 | W2 | L1 |
| WR50 | 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 | |||||
| WR100 | 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 | |||||
| WR200 | 15.0±1.5 | 5.0±0.5 | 0.70(0.78)±0.05 | 10±0.3 | 52±1 | 64±1 | 23±1 |
| 73±1.5 | 85±1.5 | 34±1 | |||||
| WR300 | 17.0±1.5 | 6.0±0.5 | 0.70(0.78)±0.05 | 10±0.3 | 73±1.5 | 85±1.5 | 33±1 |
| WR500 | 24.0+1.5 | 8.0±0.5 | 0.70(0.78)±0.05 | 10±0.3 | 73±1.5 | 85±1.5 | 29±2 |
| DESCRIPTION | WR-50 | WR-100 | WR-200 | WR-300 | WR-300 |
| STANDARD RESISTANCE VALUE RANGE | Wire Wound Resistors:0.05Ω-1KΩ Non-inductive:0.1Ω-680Ω | ||||
| POWER RATINGAT 70℃ | 1/2W | 1W | 2W | 3W | 5W |
| *MAX WORKING VOLTAGE | 350V | 500V | 500V | 500V | 500V |
| *MAX OVERLOAD VOLTAGE | 700V | 1,000V | 1,000V | 1,000V | 1,000V |
| OPERATING TEMPERATURE RANGE | -55℃~+255℃ | -55℃~+255℃ | -55℃~+255℃ | -55℃~+255℃ | -55℃~+255℃ |
| TEMPERATURE COEFFICIENT | 12>±350PPM 12<±500PPM | ||||
| TEMPERATURE CYCLING | ±(2%R+0.05Q) | ±(2%R+0.05Q) | ±(2%R+0.05Q) | ±(2%R+0.05Ω) | ±(2%R+0.05Ω) |
| INSULATION RESISTANCE | MIN.1,000 MQ | MIN.1,000 MQ | MIN.1,000 MΩ | MIN.1,000 MQ | MIN.1,000 MQ |
| HUMIDITY | ±(5%R+0.05Ω) | ±(5%R+0.05Ω) | ±(5%R+0.05Ω) | ±(5%R+0.05Q) | ±(5%R+0.05Q) |
| SHORT-TIME OVERLOAD | ±(2%R+0.05Ω) | ±(2%R+0.05Q) | ±(2%R+0.05Q) | ±(2%R+0.05Ω) | ±(2%R+0.05Ω) |
| SOLDERABILITY | MIN.95% COVERED | MIN.95% COVERED | MIN.95% COVERED | MIN.95% COVERED | MIN.95% COVERED |
| VIBRATION | ±(1%R+0.05Ω) | ±(1%R+0.05Q) | ±(1%R+0.05Q) | ±(1%R+0.05Q) | ±(1%R+0.05Ω) |
| LOAD LIFE | ±(5%R+0.05Ω) | ±(5%R+0.05Q) | ±(5%R+0.05②) | ±(5%R+0.05②) | ±(5%R+0.05Ω) |
| DC RESISTANCE VALUE | TEST METHOD MIL-STD-202ITEM 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-3x1.42,1 MIN. AQL1%. |
| SHORT TIME OVERLOAD | TEST METHOD JIS C 5202 ITEM 5.5 | RATED VOLTAGEx2.5 TIMES OR MAX.WORKINGVOLTAGE×2 TIMES. ABOVE TEST 5 SEC. THE RESISTANCE VALUECHANGE RATE SHALL BE WITHIN±(2%R+0.05Ω) |
TERMINAL STRENGTH | TEST METHOD MIL-STD-202ITEM 211 | TENSILE STRENGTH:1KG TENSIONAL STRENGTH:180,2 CYCLES. BENDING STRENGTH:0.5KG,2 TIMES. THE RESISTANCE VALUE CHANGERATE SHALL BE WITHIN±(0.5%R+0.05Ω) |
| SOLDERABILITY OF TERMINAL | TEST METHOD MIL-STD-202ITEM210 | 260±5℃ 10±1SEC. AFTER TESTING,LEAVEFOR 3 HOURS. THE RESISTANCE VALUE CHANGERATE SHALL BE WITHIN±(1%R+0.05 Ω) |
| TEMPERATURE CYCLE | TEST METHOD MIL-STD-202ITEM 107 | LOW SIDE TEMPERATURE:-55℃+3℃ 30MIN. ROOM TEMPERATURE:10-15MIN HIGH SIDE TEMPERATURE:+125℃±3℃ 30MIN. ROOM TEMPERATURE:10-15MIN. ABOVE TEST5 CYCLES AFTER LAST CYCLE,LEAVE FOR 1-3 HOURS. THE RESISTANCE VALUE CHANGERATE SHALL BE WITHIN±(2%R+0.05 Ω) |
| VIBRATION WITHSTAND | TEST METHOD MIL-STD-202ITEM 204 | X,Y,Z-EACH DIRECTION 2 HOURS. AMPLITUDE 0.75MM. RANGE:10HZ～500HZ. THE RESISTANCE VALUE CHANGERATE SHALL BE WITHIN±(1%R+0.05Ω) |
| LOAD LIFE | TEST METHOD MIL-STD-202ITEM 108 | 70+2℃. 1000 HOURS RATED VOLTAGE(1.5 HOURS ON,0.5 HOUR OFF). THE RESISTANCE VALUE CHANGERATE SHALL BE WITHIN±(5%R+0.05 Ω) |
| RESISTANCE TEMPERATURE COEFFICIENT | TEST METHOD MIL-STD-202 ITEM 304 | THE RESISTANCE VALUE CHANGERATE SHALL BE AS TABLE-3. |
| LOAD LIFE IN HUMIDITY | TEST METHOD MIL-STD-202 ITEM 103 | THE RESISTANCE VALUE CHANGERATE SHALL BE WITHIN±(5%R+0.05Ω). |
