Marshall Electronics

Mini Circular Connectors

TAJIMI Miniature Circular Connectors
R01, R03 and R05 Series of mini multipin connectors are small sized, high reliability connectors ideally suited to all small and high density electronic equipment. R01 series is water resistant and designed for use in outdoor equipment. R01 and R03 types are threaded coupling and R05 series is bayonet lock for quick connect/disconnect.

Materials
Principal Parts Materials Plating
Shell Brass & Zinc Alloy Nickel
Contacts Copper Alloy Gold (Nickel Based)
Insulation PBT Resin qualified to UL Standard (Class 94V-0)
Insulation resistance: DC500V 1000Mohm min.
Contact resistance: DCIA max. 8mohm max.
Temperature range: -25°C to +85°C.

Part Numbering System
R01 Series
R01 - 01P 9 - 8 F
A B C D E
E
Contact Type
M : Male
F : Female
D No. of Contacts 6 and 8
C Insert Size
B
Shell Size
01P : Plug
02R : Bulkhead Receptacle
06J : Jack
A Series Name
 R03 & R05 Series
R03 PB 3 F
A B C D
D
Contacts
M : Male contact
F : Female contact
C Number of Contacts 2, 3, 5, 6, 8, 12
B
Shell Size
R : Bulkhead Receptacle
PB : Plug
RB : Box Mount Receptacle
JB : Jack
A Series Name

R01 Series

R01
Plug

 Bulkhead Receptacle

 Jack

R03 Series

R03
Plug

 Bulkhead Receptacle
Box Mount Receptacle
 Jack

Series No. of
contacts		 Dimensions (mm)
A B C D E F G H J K L M N P R S T U W
R03 2, 3, 5 12.0 10.5
P=0.75		 32.0 5.2 9.0 18.0 12.0 10.5
P=0.75		 9.0
P=0.5		 18.0 9.5 9.0 10.5
P=0.75		 10.5 15.0 12.0 10.5
P=0.75		 32.0 5.2
6, 8 15.5 14.0
P=1		 34.0 6.2 9.0 18.0 15.5 14.0
P=1		 12.0
P=0.8		 18.0 9.5 12.0 14.0
P=1		 13.0 17.5 15.5 14.0
P=1		 34.0 6.2
12 20.0 18.0
P=1		 39.0 10.5 9.0 18.0 20.0 18.0
P=1		 16.0
P=0.75		 18.0 9.5 16.0 18.0
P=1		 17.0 22.5 20.0 18.0
P=1		 39.0 10.5

R05 Series

R05
Plug

 Bulkhead Receptacle
Box Mount Receptacle
 Jack

Series No. of
contacts		 Dimensions (mm)
A B C D E F G H J K L M N P R S T U W
R05 2, 3, 5 13.0 --- 32.5 5.2 9.5 18.0 12.0 9.5 9.0
P=0.5		 18.0 10.5 9.0 9.5 10.5 15.0 12.0 9.5 32.0 5.2
6, 8 16.0 --- 34.5 6.2 9.5 18.0 15.5 12.3
P=1		 12.0
P=0.8		 18.0 10.5 12.0 12.3 13.0 17.5 15.5 12.3 34.0 6.2
12 20.0 --- 39.0 10.5 9.0 18.0 19.5 16.3 16.0
P=1		 18.0 10.5 16.0 16.3 17.0 22.5 20.0 16.3 39.0 10.5


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