Deutsch Autosport ASU (Ultra-Miniature) Series — 5-Way Inline Socket (Female)
The Deutsch Autosport ASU 5-Way Inline Socket (Female) — Blue Key (B) — SKU: ASU103-05SB-HE is a genuine MIL-spec-grade cable-mounted connector for 5-circuit sensor cluster and actuator bundle separable joins in professional race cars, rally, hillclimb, and high-performance builds across Norway, Sweden, and Denmark. This is the socket half of the mated pair — Pin (Male) must be ordered separately to complete the join.
Shell and Circuit Count — ASU103, 5-Way
The ASU series is the smallest-format circular connector in the Deutsch Autosport family, designed for ultra-compact sensor sub-assemblies, low-channel signal interfaces, and weight-critical race car loom builds where the standard AS or ASX body is too large. The ASU103 is the ASU103 — ultra-miniature inline shell for free-hanging cable-mounted separable joins. At 5 circuits, this connector is suited to 5-circuit sensor cluster and actuator bundle separable joins. Common applications include 5-wire sensor clusters, combined power/ground/signal interfaces, 5-channel switch pack sub-connectors, and mixed signal and power actuator bundles.
Blue Key (B) — Mis-Mate Protection
Blue B is the second key assignment, used when two parallel 5-circuit ASU inline bundles share the same separation point. Once Yellow A is allocated to the primary bundle, Blue B identifies the secondary — physically preventing cross-mating between the two pairs. Mis-mate protection is mechanical and holds regardless of time pressure or connector volume. Blue B and Yellow A are the standard two-key pairing used by harness builders across Norway, Sweden, and Denmark.
Inline Configuration — In-Harness Separable Join
The inline connector places both halves within the harness run — neither is fixed to a panel or bulkhead. Both halves are cable-mounted and the mated join floats within the loom, held by harness sleeve or tie-wrap points. This is the standard format for engine-to-chassis harness splits, removable subframe sub-harness joins, and any separable interface along the wire run. Inline connectors are used by motorsport wiring specialists across Norway, Sweden, and Denmark wherever a fixed panel location is not required.
Technical Specifications — ASU103-05SB-HE
- Series: Deutsch Autosport ASU
- Shell: ASU103
- Circuit count: 5-way
- Configuration: Inline (free-hanging inline)
- Contact type: Socket (Female)
- Key colour: Blue (Key B)
- Shell material: Aluminium alloy, MIL-spec machined
- Contact plating: Gold over nickel
- Operating temperature: −65°C to +175°C
- Locking: Push-pull positive lock collar
- Contacts: Ordered separately — not included
- Mating half required: Pin (Male), same circuit count, shell, and key colour
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