75LOKWHT datasheet(8/108 Pages) ETC2

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All Data Subject To Change Without Notice

| Different Contact Technologies |

Flat Wiping:

• Same contacts on the “male” and “female” side reduce inventory costs and increase ease of assembly.

• Low resistance connection has a large conducting surface and a high normal force in comparison to typical pin

and socket contacts.

• Sacrificial tip confines damage to non-conducting area when mating or breaking under load.

• Raised surface on the mating side of the contacts secures the connector in the mated condition, limiting the

need for latching on outer housings.

• Over wiping design cleans the mating surface when mating and unmating.

Pin & Socket:

• Different contacts on male and female sides. Female socket contacts are typically more expensive than the

simple geometries of the pin contacts.

• Often higher resistance than flat wiping connectors of the same wire size and plating due to the reduced mating

surface area and lower normal force. Gold plating often used to compensate and minimize resistance.

• Best for compact connection needs such as signal and low power due to static position in housings and

symmetrical shape.

• Socket contacts can catch and hold debris inside the socket body causing mating problems.

| Use of APP® Connectors in Applications Exceeding 600V |

The approved voltage ratings for APP® connectors are usually limited by the category under which a safety agency

such as UL approves our connector for use. UL typically defers to National Electric Code (NEC) on the voltage limitations

for any given device our connector could be used in. For most common applications NEC restricts voltage to a maximum

of 600V AC or DC which is what our connector voltage ratings are based on.

To achieve UL 1977 approval for a 600V rating, we test our connectors for dielectric withstanding voltage. The connector

is tested at 2 times the rated voltage of 600V plus 1000V or 2200VAC for 1 minute. For applications exceeding 600V,

UL / NEC / IEC may require application specific review for creepage and clearance resistance.

| Frequently Asked Questions |

Q: Can I cross mate low and high mating force contacts?

A: Yes, however this would not be a connection solution we have tested for safety agency approval. Additionally the

contacts may wear at an accelerated rate causing the mating cycle rating to be reduced. The mating and unmating

force expected would be somewhere in between the high and low mating force specification.

Q: Can I crimp multiple wires into 1 crimp barrel?

A: Yes, however this would not be a connection solution we have tested for safety agency approval. Particular care

should be used that the bundle of wires do not interfere with the movement of the contact in the housing during mating

and unmating (see maximum wire O.D. specification). The total circular mils of all conductor stands should be within

+ or – 5% of the wire size the contact is intended for. Twist the conductor strands together and crimp using APP®

tooling with range taking capabilities such as the 1368 series. To crimp with other APP® recommended tools, contact

customer service for the recommended setting or die and locator combination.

Solid line

of electrical

contact.

Flat Wiping Technology

Pin & Socket Technology

Select points of

electrical contact.

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75LOKWHT 数据表(PDF) 8 Page - List of Unclassifed Manufacturers

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