Aeronautics Type In-Line Bus Couplers

PART NUMBER : DE80****XX

The MIL-STD-1553 bus couplers used in aeronautics are designed to meet the high demands of such systems by providing reliable electrical connections between devices. These couplers enhance the durability and efficiency of bus networks through advanced features such as transformer interfaces, shielding, and isolation resistance. The design supports various configurations with up to four stubs, enabling adaptability across different platforms while ensuring optimal signal integrity and fault protection.

Overview

Specifications

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Overview

In-Line Type Couplers with 1 Stub (Aeronautics)

Product Code	Transformer Ratio	Stub Resistor Value	Configuration / Termination Type
DE80101XX	1:1.41	59 Ohms ±1% 1W	Bus lines on opposite side / No termination
DE80001XX	1:1.41	59 Ohms ±1% 1W	Bus lines on same side / No termination
DE80121XX	1:1.41	59 Ohms ±1% 1W	Bus lines on opposite side/ Right side terminated
DE80111XX	1:1.41	59 Ohms ±1% 1W	Bus lines on oppposite side / Left side terminated

In-Line Type Couplers with 2 Stub (Aeronautics)

Product Code	Transformer Ratio	Stub Resistor Value	Configuration / Termination Type
DE80102XX	1:1.41	59 Ohms ±1% 1W	Bus lines on opposite side / No termination
DE80002XX	1:1.41	59 Ohms ±1% 1W	Bus lines on same side / No termination
DE80122XX	1:1.41	59 Ohms ±1% 1W	Bus lines on opposite side/ Right side terminated
DE80132XX	1:1.41	59 Ohms ±1% 1W	Bus lines on opposite side / Double side terminated
DE80022XX	1:1.41	59 Ohms ±1% 1W	Bus lines on same side / Right side terminated
DE80022XX	1:1.41	59 Ohms ±1% 1W	Bus lines on same side / Double side terminated

In-Line Type Couplers with 3 Stub (Aeronautics)

Product Code	Transformer Ratio	Stub Resistor Value	Configuration / Termination Type
DE80103XX	1:1.41	59 Ohms ±1% 1W	Bus lines on opposite side / No termination
DE80003XX	1:1.41	59 Ohms ±1% 1W	Bus lines on same side / No termination
DE80123XX	1:1.41	59 Ohms ±1% 1W	Bus lines on opposite side/ Right side terminated
DE80113XX	1:1.41	59 Ohms ±1% 1W	Bus lines on opposite side / Left side terminated
DE80133XX	1:1.41	59 Ohms ±1% 1W	Bus lines on opposite side / Double side terminated
DE80023XX	1:1.41	59 Ohms ±1% 1W	Bus lines on same side / Right side terminated
DE80033XX	1:1.41	59 Ohms ±1% 1W	Bus lines on same side / Left side terminated

In-Line Type Couplers with 4 Stub (Aeronautics)

Product Code	Transformer Ratio	Stub Resistor Value	Configuration / Termination Type
DE80104XX	1:1.41	59 Ohms ±1% 1W	Bus lines on opposite side / No termination
DE80004XX	1:1.41	59 Ohms ±1% 1W	Bus lines on same side / No termination
DE80124XX	1:1.41	59 Ohms ±1% 1W	Bus lines on opposite side/ Right side terminated
DE80134XX	1:1.41	59 Ohms ±1% 1W	Bus lines on opposite side / Double side terminated
DE80024XX	1:1.41	59 Ohms ±1% 1W	Bus lines on same side / Right side terminated
DE80034XX	1:1.41	59 Ohms ±1% 1W	Bus lines on same side / Double side terminated

Specification	Explanation
COMMON MODE REJECTION	-45.0dB MAX @ 1.0MHz
DROOP	20% MAX (250kHz)
OVERSHOOT & RINGING	± 1.0V PEAK (250kHz SQUARE WAVE WITH 100ns)
STUB VOLTAGE	1.0V TO 14.0V P-P, LINE TO LINE, SIGNAL VOLTAGE, TRANSFORMER COUPLING
INPUT IMPEDANCE OF BUS	3000 ΩMIN. (75kHz – 1.0MHz), STUB WITH OPEN CIRCUIT

Specification	Explanation
ENCLOSURE MATERIAL	TINPLATE 0.5mm THK.

Specification	Explanation
HIGH TEMPERATURE OPERATING	MIL-STD-810G_CHG-1 METHOD 501.6 PROCEDURE II, +125°C
LOW TEMPERATURE OPERATING	MIL-STD-810G_CHG-1 METHOD 502.6 PROCEDURE II, -55°C
HIGH TEMPERATURE STORAGE	MIL-STD-810G_CHG-1 METHOD 501.6 PROCEDURE I, +125°C
LOW TEMPERATURE STORAGE	MIL-STD-810G_CHG-1 METHOD 502.6 PROCEDURE I, -55°C
VIBRATION	MIL-STD-810G_CHG-1 METHOD 514.7 PROCEDURE I - CATEGORY 12, 15Hz TO 2000Hz, (Performance: W0=0.040 and A=0.02, Duration: half hour/axis), (Endurance: W0=0.053 and A=0.02, Duration: 1 hour/axis)
SHOCK	MIL-STD-810G_CHG-1 METHOD 516.7 PROCEDURE V (40g, 11ms, Terminal Peak Sawtooth, Number of shocks: 12, two in each direction of three axes)
RAIN	MIL-STD-810G METHOD 506.5 PROCEDURE I

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MIL-STD-1553 In-Line Type Bus Couplers