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Tajimi Connectors

Manufactured exclusively in Japan, Tajimi R28 Series Miniature Waterproof Circular Connectors.


R28 Series
R28 series high density miniature circular connectors are waterproof up to 20 meters in depth.
It's superior quality and miniature size offer design flexibility for a wide variety of applications including small electronic instruments and electro mechanica devices which operate under high humidity conditions


Specifications
No. of Contacts: 8 and 12
Vibration, Moisture and Corrosion Resistance: MIL-STD-202E
Temperature range: -25°C to +85°C
Water-proofing property: Withstand water pressure=2kg/cm² (atg)


Materials
Principal Parts Materials Plating
Shell Brass & Zinc Alloy Nickel
Contacts Copper Alloy Gold
Insulation PBT Resin Qualified to UL Standard (94 V-O)

Part Numbering System
R28 - P 8 M

R28 Series
P Shell Style (P: Plug, R: Receptacle, J: Jack)
8 No. of Contacts
M Contact Style (M: Pin Contact, F: Socket Contact)

Dimensions

Plug

Bulkhead Receptacle

Jack

Mounting Hole Dimensions

Shell Size No. of Contacts A B C D E F G H J K L M N
6 8 12.0 38.0 4.8 12.0 9.0 17.8 9.0
P=0.5
12.0 38.0 4.8 9.2 8.4 1.6
9 12 15.5 40.0 6.3
6.8
7.3
15.5 9.0 17.8 12.0
P=0.8
15.5 40.5 6.3
6.8
7.3
12.2 11.2 1.6

Insert Arrangements

Insert No. 6 - 8 9 - 12
No. of Contacts 8 12
Insert Arrangements
Current Rating 2A
Voltage Rating
(AC. V. rms)
100V
Withstand Voltage
(AC. V. rms)
300V
Contact Resistance DC3V 1A 5mW max.
Insulation Resistance DC100V 1,000mW min.
Applicable Wire A.W.G. # AWG #26
Square 0.1mm² max.
Wire Diameter 0.48Ø max.

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