# AF Series electrical connectors

> The AF Series is waterproof electrical connectors. The internal core parts are made of PPS composite materials with good insulation and high temperature resistance. The contact pin and socket are made of high-quality copper. The contact body is all gold-plated. The anti-corrosion performance is superior. This series of products has complete specifications and various styles, which can be exchanged and replaced with various connectors in Europe, America, Japan, Korea, Taiwan, etc. The products are widely used in machine tool electrical appliances, numerical control equipment, medical devices, servo motors, vehicles and other fields.

### 1、Materials and technical parameters

| Indicator         | Description                                             |
|:----------------- |:------------------------------------------------------- |
| Connect mode      | Threaded                                        |
| Shell             | Zinc alloy / Nylon PA33                                 |
| Insulator         | PPS thermoplastic resistant to high temperature 260 ° C |
| Contact Surface   | Gold-plated                                             |
| Wiring mode       | Soldering / Crimping                                    |
| Life              | ≥500 mating                                             |
| Temperature Range | -45°C ~ 85°C                                            |
| Protection Level  | IP44 ~ IP66                                             |

### 2、Order Examples

#### 1）receptacle（e.g."AF28J12Z" - 12-pin square-flanged male receptacle）

| AF     | 28   | J            | 12             | Z         |           |             |
|:------ |:---- |:------------ |:-------------- |:--------- |:--------- |:----------- |
| Prefix | Size | Contact Type | Contact Number | Part Type | Tail form | Wiring mode |

#### 2）plug（e.g."28K12TF" - 12-pin straight female plug）

|        | 28   | K            | 12             | T         | F         |             |
|:------ |:---- |:------------ |:-------------- |:--------- |:--------- |:----------- |
| Prefix | Size | Contact Type | Contact Number | Part Type | Tail form | Wiring mode |

_注：AF28J12Z（receptacle） + 28K12TF（plug），Brief：AF28-12TF_

### 3、Ordering Indicator Description

#### 1）Prefix（receptacle only）

_e.g.  AF - square flanged receptacle，other types are shown in the following table：_

| Waterproof Prefix | Description                          |
|:-------------- |:------------------------------------- |
| AF             | square flanged receptacle             |    
| AMF             | circular flanged receptacle           |  
| ATF             | oval flanged receptacle               | 
| AQF             | rear nut receptacle                   | 
| AWF             | front nut receptacle                  | 
| AKF             | square automatic cover receptacle     | 
| APF             | oval automatic cover plate receptacle | 

_Note: Ordinary receptacle(without tail) supports all waterproof and bayonet models. Among them, the AF receptacle is the most widely used, which supporting all sizes.  You can consult the customer service directly._

#### 2）Size

_E.g. 28 - the matching diameter of receptacle and panel is 28 type. Other specifications as follows:_

| Size | Contact Numbers               |
|:---- |:----------------------------- |
| Φ12  | 2、3、4、5、6、7                   |
| Φ16  | 2、3、4、5、6、7、8、9               |
| Φ20  | 2、3、4、5、5B、7、9、12             |
| Φ24  | 2、3、4、5、6、8、10、12、19          |
| Φ28  | 3、4、7、10、12、16、17、20、23、24、26 |
| Φ32  | 4、6、8、10、10B、11、13、14、19      |
| Φ40  | 5、9、15、16、26、31、32            |
| Φ48  | 2、4、5、7、20、27、38、42           |
| Φ55  | 4、7、40、53、61                  |

_Note: In Contact Numbers, "B" means "Bold"._

#### 3）Contact Type

- J — pin（male）

- K — socket（female）

#### 4）Contact Number

- 2、3、4、5、5B、6、7、8、9、10、10B、11、12、13、14、15、16、17、19、20、23、24、26、27、31、32、38、40、42、53、61.

_Note：the connectors which have same contact numbers but different size may have different contact diameter. For example, the 12 pins of 20 size are Φ 1, while 24 size are Φ 1.5. For specific electrical indicators, please refer to 《Contact Arrangement and Technical Characteristics》_

#### 5）Part Type

- Z — recaptacle

- T — plug

#### 6）Tail form（Optional）

1. No Mark（recaptacle only：a regular receptacle which has no tail）

2. Straight Tail

| Waterproof Code | Descripton                 | 
|:------------ |:-------------------------- |
| F            | Straight nylon gland fixed |
| G            | Straight metal nut fixed   |

3. Curved Tail

Curved Tailed Connectors are not supporting waterproof feature.

#### 7）Wiring mode（Optional）

- 1 — Solder（No Mark）

- 2 — Crimp

_Note: For ordering crimp connectors, please confirm with the customer service whether the specific model is produced._

### 4、Contact Diameter And Wiring

#### 1）Pin Diameter and Wiring Table (Unit: mm)

| Pin diameter | Inner diameter of welding cup | Maximum wiring diameter |
|:------------ |:----------------------------- |:----------------------- |
| Φ1           | 1                             | 0.9                     |
| Φ1.5         | 1.5                           | 1.4                     |
| Φ2.5         | 2.5                           | 2.4                     |
| Φ3           | 2.5                           | 2.4                     |
| Φ3.5         | 4.7                           | 4.5                     |

#### 2）Contact Current Descent

_Note: When the number of contact pairs of connectors increases, the predetermined current of each contact pair will decrease. See the following table for the calculation method of decline rate:_

| Number of contact pairs | Descent rate |
|:----------------------- |:------------ |
| 1~3                     | 0            |
| 4~10                    | 10           |
| 11~20                   | 20           |
| 21~30                   | 30           |
| 31~40                   | 40           |
| 41~50                   | 50           |
| 51+                    | 60           |

#### 3）Wire Number And Diameter Table

| Wire No. | Wire diameter (mm) | Wire No. | Wire diameter (mm) |
|:-------- |:------------------ |:-------- |:------------------ |
| 7#       | 4.47               | 15#      | 1.83               |
| 8#       | 4.06               | 16#      | 1.63               |
| 9#       | 3.66               | 17#      | 1.42               |
| 10#      | 3.25               | 18#      | 1.22               |
| 11#      | 2.95               | 19#      | 1.02               |
| 12#      | 2.64               | 20#      | 0.91               |
| 13#      | 2.34               | 21#      | 0.81               |
| 14#      | 2.03               | 22#      | 0.71               |