We usually Keep these Accessories In Stock

Box Couplers, Inline Couplers ,Data Bus Cables and Terminators

We Encourage all our clients to share their bill of material's of similar products , ACL can bulk procure and keep some non critical parts for just in time delivery, to reduce hassles

Box Couplers

MIL-STD-1553B Multi-stub Bus Couplers Features

Description :

ACL manufactures a full range of Multi-stub couplers for MIL-STD-1553B with up to eight transformer coupled stub ports and industry standard connectors. These couplers are ideal for airborne applications and inexpensive enough for use in test and development applications. Fault isolation is provided between each stub and the bus

Industry standard connectors
Low cost
55db CMR
High EMI resistance
Flight quality units
Small volume
High reliability
Compatible with MIL-STD-1553B

Electrical Specifications

Droop: 20% max at 250KHz.
Overshoot and ringing: less than 1.0V (peak with 100 ns rise and fall time).
Common mode rejection: >45 dB max. at 1.0 MHz.
Fault protection: 58.5 Ohms ± 2% resistor in series with each bus winding connection..
Stub voltage : 1.0V to 14.0V p-p (line-to-line signal voltage).
Transformer (MIL-T-21038 standard) : 1.41:1.
Isolation Resistor (MIL-R-39017 standard) : 59 ohm, 1 watt, 1% (non-inductive).
Operating Temperature :-55°C to +125°C.
Input Impedance : 3,000.0 Ohms minimum (75 kHz to 1MHz).

Mechanical Specifications

Connectors : Trompeter BJ-77 miniature 3- lug receptacle front mount or equivalent.
Case material: Tin plated CRCA Sheet.
Base Plate material : Tin plated CRCA Sheet.
Mounting/bottom surface : un-painted.
Color: Peacock blue.

Size and Weight for 2-Port 1-Stub (Typical values)
Size : 38mm W x 25.4mm H x 71mm L.
Weight : 100 grams (max).
Size and Weight for 2-Port 2-Stub (Typical values)
Size : 38mm W x 25.4mm H x 94mm L.
Weight : 160grams (max).
Size and Weight for 2-Port 4-Stub (Typical values)
Size : 38mm W x 25.4mm H x 140mm L.
Weight : 260 grams (max).Other Optional Sizes as per requirement of Customers will be Provided.

Data Bus Cables & Terminators

Cables Technical Features

Twisted shielded MIL-STD-1553B cable.
Available in sizes of 6ft, 12 ft, 20 ft.
Optional : User definable sizes.
High reliability

General Description

The data bus cable consists of two conductors twisted shielded pair (as specified in MIL-STD-1553B) fitted with Trompeter PL-75 (standard miniature TRB Bayonet plug, 3-lug, cable mount or equivalent) on both ends. The data bus cables are available in sizes of 6ft, 12ft and 20ft. In addition to these standard sizes, custom specified size data bus cables are also available (contact ACL for further details).

Terminators Features

Low cost.
Small size.
Rugged construction.
High reliability.
The data bus terminator provides bus terminations as specified in MIL-STD-1553B, when used in conjunction with ACL’s standard Data bus couplers.

Specifications

Connector : Trompeter PL-75 standard miniatureTRB Bayonet plug, 3-lug,cable mount or equivalant.
Weight : 50 gms (max)Size: 1.95”L x 0.6”D (max)
Termination Resistor (MIL-R-39017 standard): 75 ohm, 1 watt, 1% (non-inductive)
Operating Temperature : -55°C to +125°C

Inline couplers

MIL-STD-1553B Multi-stub Inline Couplers Features

Description :

ACL manufactures a full range of Multi-stub inline couplers for MIL-STD-1553B with up to Four transformer coupled stub ports. Inline Couplers comes with industry standard connectors as per user requirments (or) comes with default or selectable cable length in fts. These couplers are ideal for airborne, Missile and Naval applications. Fault isolation is provided between each stub and the bus.

Comes with Industry standard connectors/Cable.
Low cost
55db CMR
High EMI resistance
Flight quality units
Small volume
High reliability
Compatible with MIL-STD-1553B

Electrical Specifications

(In accordance with MIL-STD-1553B, Notice -2)
Droop: 20% max at 250KHz.
Overshoot and ringing: less than 1.0V (peak with 100 ns rise and fall time).
Common mode rejection: >45 dB max. at 1.0 MHz.
Fault protection: 58.5 Ohms ± 2% resistor in series with each bus winding connection..
Stub voltage : 1.0V to 14.0V p-p (line-to-line signal voltage).
Transformer (MIL-T-21038 standard) : 1.41:1.
Isolation Resistor (MIL-R-39017 standard) : 59 ohm, 1 watt, 1% (non-inductive).
Operating Temperature :-55°C to +125°C.
Input Impedance : 3,000.0 Ohms minimum (75 kHz to 1MHz).

Mechanical Specifications

Connectors : Trompeter PL-75/DK-0621 series/optional user selectable.
Case material:Tin plated CRCA sheet.
Base Plate material : Tin plated CRCA sheet.
Surface Finish : Adhesive heat shrinkable sleeve with proper labling.
Cable: Double shielded Twinax Cable (as per JSS 51034 & JSS 51038/MIL-C-17/203 or Raychem 10614-9 or MIL-C-17/176-00002).
Bus/Stub Indication: Indicated with label.

Size and Weight for 2-Port 1-Stub (Typical values)
Size : 38mm W x 25.4mm H x 71mm L.
Weight : 100 grams (max).
Size and Weight for 2-Port 2-Stub (Typical values)
Size : 38mm W x 25.4mm H x 94mm L.
Weight : 160grams (max).
Size and Weight for 2-Port 4-Stub (Typical values)
Size : 38mm W x 25.4mm H x 140mm L.
Weight : 260 grams (max).Other Optional Sizes as per requirement of Customers will be Provided.

Dimensions of Inline Couplers:

2-Port 1-Stub (Bus on both sides)
Size (W x H x L) : 15±0.5mm X 10±0.5mm X 53±0.5mm. 2-Port 1-Stub (Bus on same side)
Size (W x H x L) : 15±0.5mm X 10±0.5mm X 53±0.5mm. 1-Port 1-Stub (Stub and Bus on both sides)
Size (W x H x L) : 15±0.5mm X 10±0.5mm X 53±0.5mm. 1-Port 1-Stub (Stub and Bus on same side)
Size (W x H x L) : 15±0.5mm X 10±0.5mm X 40±0.5mm.

2-Port 2-Stub (Bus on both sides)
Size (W x H x L) : 15±0.5mm X 10±0.5mm X 74±0.5mm. 2-Port 2-Stub (Bus on same side)
Size (W x H x L) : 15±0.5mm X 10±0.5mm X 74±0.5mm. 1-Port 2-Stub (Stubs on both sides)
Size (W x H x L) : 15±0.5mm X 10±0.5mm X 74±0.5mm. 1-Port 2-Stub (Stubs on same side)
Size (W x H x L) : 15±0.5mm X 10±0.5mm X 74±0.5mm.

2-Port 3-Stub (Bus on both sides)
Size (W x H x L) : 27±0.5mm X 10±0.5mm X 78±0.5mm. 2-Port 3-Stub (Bus on same side)
Size (W x H x L) : 27±0.5mm X 10±0.5mm X 78±0.5mm. 1-Port 3-Stub (Stubs on both sides)
Size (W x H x L) : 27±0.5mm X 10±0.5mm X 78±0.5mm. 1-Port 3-Stub (Stubs on same side)
Size (W x H x L) : 27±0.5mm X 10±0.5mm X 78±0.5mm.

2-Port 4-Stub (Bus on both sides)
Size (W x H x L) : 27±0.5mm X 10±0.5mm X 78±0.5mm. 2-Port 4-Stub (Bus on same side)
Size (W x H x L) : 27±0.5mm X 10±0.5mm X 78±0.5mm. 1-Port 4-Stub
Size (W x H x L) : 27±0.5mm X 10±0.5mm X 78±0.5mm. Inline Terminator
Size (W x H x L) : 15±0.5mm X 10±0.5mm X 40±0.5mm.

Ordering Information

ACL-ILC-2P-1S-B : Inline Coupler Type 2-Port 1-Stub (Bus on both sides)

ACL-ILC-2P-1S :Inline Coupler Type 2-Port 1-Stub (Bus on same side)

ACL-ILC-1P-1S-B :Inline Coupler Type 1-Port 1-Stub (Stub and Bus on both sides)

ACL-ILC-1P-1S :Inline Coupler Type 1-Port 1-Stub (Stub and Bus on same side)

ACL-ILC-2P-2S-B :Inline Coupler Type 2-Port 2-Stub (Bus on both sides)

ACL-ILC-2P-2S :Inline Coupler Type 2-Port 2-Stub (Bus on same side)

ACL-ILC-1P-2S-B :Inline Coupler Type 1-Port 2-Stub (Stubs on both sides)

ACL-ILC-1P-2S :Inline Coupler Type 1-Port 2-Stub (Stubs on same side)

ACL-ILC-2P-3S-B :Inline Coupler Type 2-Port 3-Stub (Bus on both sides)

ACL-ILC-2P-3S :Inline Coupler Type 2-Port 3-Stub (Bus on same side)

ACL-ILC-1P-3S-B :Inline Coupler Type 1-Port 3-Stub (Stubs on both sides)

ACL-ILC-1P-3S :Inline Coupler Type 1-Port 3-Stub (Stubs on same side)

ACL-ILC-2P-4S-B :Inline Coupler Type 2-Port 4-Stub (Bus on both sides)

ACL-ILC-2P-4S :Inline Coupler Type 2-Port 4-Stub (Bus on same side)

ACL-ILC-1P-4S :Inline Coupler Type 1-Port 4-Stub (Stubs on both sides)

ACL-ILT-78R :MIL-STD-1553B Moulded 78 Ohms Terminator

Note :Single port (1-Port) Coupler comes with internal termination (78 Ohms).
Other Optional Sizes as per requirement of Customers will be Provided.