Wanlian #: WL2022-0.7-2.2-21
Mfr. #: 0-1674646-1 1674646-1
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Wanlian part number: |
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WL2022-0.7-2.2-21 |
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Original number: |
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0-1674646-1 1674646-1 |
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Gender: |
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Female |
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Specification: |
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Housing: PBT+G; PA66+GF; PA66; PBT; Nylon |
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Type: |
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Connector |
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TUV, TS16949, ISO14001, ISO 9001, RoHS conform: |
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Yes |
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MOQ: |
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No minimum order quantity |
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Supply sample: |
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Yes |
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Customized drawing with Decal, Frosted, Print are available as request |
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Yes |
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Payment method: |
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We accept Paypal, TT, Alipay, West Union etc. |
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Transportation method: |
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Air Transport: UPS, DHL, FEDEX etc; Sea Transport; Railway Transport; Freight Forwarding etc. |
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Production Capacity: |
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1000000pieces/Month |
2 Drive voltage drop
The so -called voltage drop refers to the potential difference formed at both ends of the resistance when current circulation. According to the Om Law U = R × i, when the current of the circuit is certain, the voltage is proportional to the resistance, that is, the voltage formed on the large resistance resistance is large, and the voltage formed on the small resistance resistance is small.
The voltage drop of the insulation wire U is calculated by the following formula
U = IρL / A
In the formula: U -voltage drop, V; ρ -resistivity, ω · mm2 / m; L -wire length, m; A -wire cross -sectional area, mm2.
The author quoted the voltage drop at the terminal and wire pressure connection at the QC / T29106-2004 standard, which should not be greater than the regulations of Table 4.
3 The voltage drop at the connection point of the wire connection
In many previous data, the calculation of voltage drops has always been valued. Through years of work experience, the author uses the correct measurement method to provide readers with powerful data. Readers can reasonably use the wire connection method according to factors such as the design requirements of the beam product design. The voltage drop test line figure is shown in Figure 8. Test data is shown in Table 5.
Test standard QC / T29106-2004, the test environment temperature is 22.6 ° C, the test environment humidity is 70%, the atmospheric pressure is 100 kPa, the vision is 1.0 or more, the lighting is 200-300 LX, and the visual distance is 0.3 to 0.5m.
For the above two wire connection methods, the card point voltage reduction measurement is performed, and the measurement method requires the requirements of QC / T29106-2004.
Test results: The voltage drop of ultrasonic welding is reduced than the voltage of the U -type voltage by 0.116 to 0.348mv, the high -frequency welding voltage drop is smaller than the voltage of the U -shaped terminal punch connection. better.
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