KNP50S Datasheet PDF - Yageo
| Part Number | KNP50S | |
| Description | (KNPxxx) Wirewound Resistors | |
| Manufacturers | Yageo | |
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There is a preview and KNP50S download ( pdf file ) link at the bottom of this page. Total 10 Pages | ||
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Approval Sheet
for
Wire Wound Resistors
KNP series
±1% & ±5%
YAGEO CORPORATION
Headquarters: 3F, No.233-1, Pao Chiao Rd., Hsin Tien, Taipei, Taiwan, R.O.C.
Tel: 886-2-2917-7555 Fax: 886-2-2917-4286
4
URL: www.yageo.com.tw
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(3) Temperature Coefficient Test
Test of resistors above room temperature 100°C ± 2°C ( Testing Temperature 115°C to 130°C ) at the
constant temperature silicon plate for over 5 minutes. Then measure the resistance value.
The Temperature Coefficient is calculated by the following equation and its value should be within the
range of requested.
Re sistor
Temperature
Coefficient
=
R −R0
R0
×
t
1
− t0
× 106
R ＝ Resistance value under the testing temperature
R0 ＝ Resistance value at the room temperature
t ＝ The testing temperature
to ＝ Room temperature
(4) Insulation Resistance
Apply test terminal on lead and resistor body.
The test resistance should be high than 100M ohm.
(5) Solderability
Immerse the specimen into the solder pot at 235 ± 5 °C for 5 ± 0.5 seconds.
At least 95% solder coverage on the termination.
(6) Resistance to Solvent
The specimen into the appropriate solvent of IPA condition of ultrasonic machine for 1 minutes.
The specimen is no deterioration of coatings and color code.
(7) Terminal Strength
Direct Load – Resistors shall be held by one terminal and the load shall be gradually applied in the
direction of the longitudinal axis of the resistor unit the applied load reacheds 5 pounds。
The load shall be held for 10 seconds. The load of weight shall be ≧ 2.5 kg ( 24.5N ).
(8) Rated Load
At 4 times of the rated voltage applied for 30 minutes, the resistor should be free from defects after the
resistor is released from load for about 30 minutes
The change of the resistance value shall be within ± 1.0% + 0.05 Ω
(9) Load Life in Humidity
Place the specimen in a test chamber at 40 ± 2 °C and 90 ~ 95 % relative humidity. Apply the rated
voltage to the specimen at the 1.5 hours on and 0.5 hour off cycle. The total length of test is 1,000 hours
The change of the resistance value shall be within ± 5 % + 0.05 Ω
(10) Load Life Test
Placed in the constant temperature chamber of 70 ± 3 °C the resistor shall be connected to the lead wire
at the point of 25mm. Length with each terminal, the resistors shall be arranged not much effected
mutually by the temperature of the resistors and the excessive ventilation shall not be performed, for 90
minutes on and 30 minutes off under this condition the rated D.C. voltage is applied continuously for
1000+48/-0 hours then left at no-load for 1hour, measured at this time the resistance value。
The change of the resistance value shall be within ± 5 % + 0.05 Ω.
There shall be no remarkable change in the appearance and the color code shall be legible after the test.
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for KNP50S electronic component. |
| Information | Total 10 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ KNP50S.PDF Datasheet ] | |
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