Cables and Connectors Division
Marshall Sound Runners Tajimi Connectors General Connectors
R04 Series

Tajimi R04 series miniature waterproof circular connectors are waterproof up to 20 meters in depth. (65 feet)
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: 2 to 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
R04 - P 3 M

R04 Series
P Shell Style (P: Plug, R: Receptacle, J: Jack)
3 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 2 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
3
5
9 6 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
8
12 12 20.0 43.3 6.3
8.5
20.0 9.0 17.8 M16
(P=1)
20.0 41.8 8.5 16.2 14.7 1.6

Hermetically Sealed Receptacle (Glass-to-metal seals)
R04 series hermetically sealed receptacles are Glass-to-metal sealed. Applications of these receptacles are vacuum pumps, inert gas tanks and oil pressured pumps. These receptacles can be mated with other R04 series (waterproof) and R03 series (non-waterproof) connectors.

Specifications
No. of Contacts: 2 to 12
Insulation Resistance: DC500V 1,000MW min.
Contact Resistance: DC1A 20mW max.
Vibration, Moisture and Corrosion Resistance: MIL-STD-202E
Temperature range: -30°C to +100°C
Hermetic Seal: Helium leak rate 1×10-9 atm cc/sec.
Sealing: High pressure of 25kg/cm² (atg) with air.

Materials

Principal Parts Materials Plating
Shell Brass Nickel
Contacts Ferro-Nickel Nickel
Insulation Soda-Lime Glass  

Dimensions

Mounting Hole Dimensions

Shell Size No. of Contacts Part Number Dimensions Millimeter
A B C D E F G H J
6 2 R04-R2MHB 14.0 20.0 10.5Ø
P=0.75
2.0 14.5 18.6 9.6 14.0 M 3
3 R04-R3MHB
5 R04-R5MHB
9 6 R04-R6MHB 16.0 22.0 M14
(P=1)
2.0 14.5 18.6 12.4 16.0 M 3
8 R04-R8MHB
12 12 R04-R12MHB 20.0 26.0 M18
(P=1)
3.0 14.5 18.6 16.8 20.0 M 3

Insert Arrangements

Insert No. 6 - 2 6 - 3 6 - 5 9 - 6 9 - 8 12 - 12
No. of Contacts 2 3 5 6 8 12
Insert Arrangements
Current Rating 2A 2A 2A 2A 2A 2A
Voltage Rating
(AC. V. rms)
300V 300V 150V 300V 200V 300V
Withstand Voltage
(AC. V. rms)
900V 900V 500V 900V 700V 900V
Contact Resistance DC3V 1A 8mW max.
Insulation Resistance DC500V 1,000mW min.
Applicable Wire A.W.G. # AWG #24 AWG #24 AWG #24 AWG #24 AWG #24 AWG #24
Square 0.3mm² max. 0.3mm² max. 0.3mm² max. 0.3mm² max. 0.3mm² max. 0.3mm² max.
Wire Diameter 0.7Ø max. 0.7Ø max. 0.7Ø max. 0.7Ø max. 0.7Ø max. 0.7Ø max.

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