3.5mm Pitch PCB Screw Terminal Block

3.5mm Pitch PCB Screw Terminal Block

4 week ago

6 0

HuiZhou Antenk Electronics Co., LTD

 5 year year

Product details

Product Description:

Huizhou Antenk Electronics Co., Ltd. manufactures AT333‑3.5XXX‑A series 3.5 mm pitch PCB screw terminal block to deliver firm screw locked wire connection for printed circuit board assembly, supporting contact poles ranging from 02 contacts up to 24 contacts and following drawing dimensional tolerances to ensure stable PCB soldering performance. This screw terminal block adopts PBT insulator housing with UL94V 0 flame retardant grade, tin plated brass terminals and M2 nickel plated steel screws with recommended tightening torque of 0.2N.m, electrically rated for 250V voltage and 7A working current and fits wire gauge from 28 AWG to 18 AWG equivalent to 1.0 square millimeter wire cross section. Multiple insulator color selections including green blue black gray and orange satisfy diverse wiring identification needs and the product meets RoHS and HSF environmental standards. This reliable screw type terminal block is widely deployed in communication hardware, industrial control panels, digital household appliances, computer peripherals, automotive electronic assemblies and precision measuring instruments. Operators need to select correct pole number and housing color for practical wiring demands, use proper torque during screw tightening operation, avoid over torque to prevent housing or screw damage, and store finished terminal blocks inside dry sealed packages to protect metal components from oxidation. Unlike competitors outsourcing mold stamping and molding procedures Antenk carries out complete in house production workflow covering self developed precision plastic and metal mold fabrication, brass terminal high speed stamping, high temperature PBT injection molding plus comprehensive laboratory reliability verification, holding ISO9001 ISO14001 IATF16949 and UL E472792 certifications compliant with REACH rules. We own over two hundred fifty plastic connector molds and one hundred eighty metal terminal molds, deliver custom solutions and round the clock professional engineering support, and over seventy percent of our terminal block products are exported globally backed by ANTENK brand and stable mass production quality.

1. PBT Flame Retardant Housing provides excellent flame resistance and mechanical stability for long term PCB wiring environments.

2. Tin Plated Brass Terminal ensures good electrical conductivity and anti oxidation performance for secure screw crimp wire connections.

3. Nickel Plated Steel Screw maintains reliable fastening strength and corrosion resistance for repeated tightening and loosening operations.

Detailed Specifications:

1. Electrical Parameters

1.1 Rated Voltage: 250V

1.2 Rated Current: 7A

1.3 Applicable Wire Range: 28‑18 AWG (1.0 mm²)

2. Material & Component Information

2.1 Housing Material: PBT, UL94V‑0 flame retardant grade

2.2 Terminal Material: Brass with tin plated finish

2.3 Screw: M2 steel with nickel plated finish

2.4 Recommended Tightening Torque: 0.2 N·m

2.5 Available Pole Numbers: 02‑24 contacts

2.6 Pitch: 3.5 mm

2.7 Insulator Color Options: Green, Blue, Black, Gray, Orange

3. Dimensional Standards (Unit: mm)

3.1 Pitch formula: (N‑1) ×3.5

3.2 Key drawing dimensions: 10.00, 9.40, 6.87, 3.00, 1.75

4. Compliance Standard

4.1 Meet RoHS and HSF environmental requirements

5. Application Scenarios

5.1 Communication hardware and industrial control panels

5.2 Digital household appliances and computer peripherals

5.3 Automotive electronic assemblies

5.4 Precision measuring instruments

6. Operation & Storage Precautions

6.1 Select proper pole quantity and insulator color for wiring requirements

6.2 Apply 0.2 N·m recommended torque for screw tightening

6.3 Avoid excessive torque to prevent damage to housing and screws

6.4 Only use wires within specified 28‑18 AWG wire range

6.5 Store terminal blocks in dry sealed packages to prevent metal parts oxidation

FAQ

Q: How many packaging do you have?

A: We have five packages including PE bag, hand bag, zip lock bag, colorful box and white box currently.

Q: Can you do our own packaging?

A: Yes, you just provide the package design and we will produce what you want. We also have the professional designer can help you do the packaging design.

Q: How many different types of products your company manufactures?

A: Now we have more than 1,000 products. We have a strong advantage of OEM, just give us the actual products or your idea that you want, we will manufacture for you.

Product Drawing:

AT333-3.5XXX-A+PCB Screw Terminal Block Pitch3.5（2）

AT333-3.5XXX-A+PCB Screw Terminal Block Pitch3.5（6）

AT333-3.5XXX-A+PCB Screw Terminal Block Pitch3.5（1）

AT333-3.5XXX-A+PCB Screw Terminal Block Pitch3.5（3）

AT333-3.5XXX-A+PCB Screw Terminal Block Pitch3.5（4）

AT333-3.5XXX-A+PCB Screw Terminal Block Pitch3.5（5）

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HuiZhou Antenk Electronics Co., LTD

 Audited supplier

5 year

Address: Shenzhen, China

Main Product: Connectors , Wire harness , Board to board connector , Wire to board connector , Battery holders , Industrial connector

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