23 connector families, 94 series. Every series page lists specifications, ordering codes and contact counts — and every series can be customized.
Download all 94 datasheets (PDF) →
Compare coupling, shell sizes and operating ranges for the representative series listed below. Follow each family link to see its full range.
| Series | Coupling | Shell sizes | Contact sizes or current | Temperature |
|---|---|---|---|---|
38999 type (Series I–IV)Rail, energy, industrial automation, test and marine equipmentView family | ||||
| GJB599 Series I | Bayonet | 9 to 25 | 22D to 10 (5–33 A) | −65 to +200 °C |
| GJB599 Series II | Bayonet, low profile | 8 to 24 | 22D to 12 (5–23 A) | −65 to +200 °C |
| J599 Series III | Triple-start thread | 9 to 25 | 26 to 10 (2–33 A) | −65 to +200 °C |
| GJB599 Series IV | Quarter-turn (90°) | 11 to 25 | 22D to 10 (5–33 A) | −65 to +200 °C |
26482 and 83723 typesIndustrial control, communication and rail electronicsView family | ||||
| ZH8525 | Bayonet | See series pages | 20, 16, 12 (7.5–23 A) | −55 to +200 °C |
| ZH83723 | See series pages | 8 to 24 | 20, 16, 12 (7.5–23 A) | −65 to +200 °C (+260 °C sealed) |
Industrial and rail 5015 typeRail vehicles, machine tools and industrial power systemsView family | ||||
| HMS31 | Threaded | 8S to 40 | 13–150 A | −55 to +125 °C |
| HMS31-K | Reverse bayonet | 8S to 40 | 13–150 A | −55 to +125 °C |
Miniature / micro circularDesigns with limited panel space and weightView family | ||||
| J599S | Triple-start thread (shells 5, 7) | 3, 5, 7 | 22D, 26 (2–5 A) | −65 to +200 °C |
| XY2 | Triple-start thread | 8 to 23 (9 sizes) | 23, 20HD, 16, 12 (5–23 A) | −65 to +200 °C |
Need help selecting? Contact us with your part number or requirements.
38999-type circular connectors in all four coupling styles — bayonet (Series I), low-profile bayonet (Series II), threaded (Series III) and quarter-turn (Series IV) — plus hermetic, double-flange PCB and IP67 waterproof versions.
All 10 seriesBayonet circular connectors to MIL-DTL-26482 Series I and II types, plus MIL-C-83723-type connectors, with hermetic versions.
All 4 seriesSmaller, lighter circular connectors: 38999 Series III-type miniatures, lightweight micro circular XY2, IP67 push-in XY1 and subminiature J599S and JYS.
All 5 seriesCompact circular connectors for high-voltage, high-power circuits — J599HV carries up to 300 A per contact at 3500 V withstanding voltage, sealed to IP65, and bayonet KH contacts carry up to 800 A.
All 4 seriesCircular connectors that mate and unmate with a straight push and pull — PBH push-pull, sealed Y27 push-pull and XY1 push-in IP67 miniatures.
All 2 seriesMIL-DTL-5015-type circular connectors for rail vehicles, machine tools and industrial power — threaded and reverse-bayonet, IP65 and IP67, contacts up to 150 A.
All 6 seriesHigh-voltage power, battery-swap and signal connectors for electric and hybrid vehicles, buses and energy storage.
All 7 seriesRubber-molded connectors rated to 7000 m, metal-shell and glass-sealed connectors, load-bearing and hybrid connectors, and watertight cable assemblies.
All 11 seriesWatertight and corrosion-resistant circular connectors for shipboard, deck and offshore equipment.
All 4 seriesGlass-sealed hermetic receptacles that keep gas and moisture out of enclosures — 38999-type, 26482-type, bulkhead feedthrough and miniature designs.
All 4 seriesCircular connectors for hot zones — up to +500 °C — and thermocouple connectors with compensating-alloy contacts.
All 3 series38999-type connectors with a low-pass filter or transient suppression in every contact — EMI/RFI and surge protection at the enclosure wall.
All 3 seriesConnectors that carry optical fiber alongside power and signal — 38999-type fiber and hybrid connectors, and subsea optical-electrical hybrids.
All 3 seriesFlameproof and increased-safety circular connectors for oil, gas, chemical and offshore hazardous areas, with Ex component certificates to GB 3836.
All 2 seriesSealed power feedthroughs that carry 105 to 1000 A through vacuum chambers and pressure vessels — NPT-sealed, O-ring sealed and custom designs.
All 3 series1.27 mm pitch rectangular connectors with gold-plated twist-pin contacts — metal-shell, stainless-steel, high-speed and pre-wired versions.
All 5 series0.635 mm pitch ultra-miniature connectors with twist-pin contacts, for the tightest spaces on boards and in harnesses.
View seriesRectangular board-to-board and board-to-cable connectors for rugged electronics — 55302 type, DIN 41612 type, mixed power, zero insertion force and modular.
All 8 seriesVPX hybrid and VITA 46 high-speed backplane connectors for rugged embedded computing — differential, RF, fiber and power in one interface.
All 3 seriesSpring-loaded pin connectors with zero insertion force and 10,000-cycle life, customized to your layout.
View seriesPush-pull bayonet fluid connectors that connect liquid-cooling modules and pipework in rugged electronics, with double seals and low spillage.
All 2 seriesCable assemblies and harnesses built around our own connectors, from samples to series production.
View seriesBackshells and caps that complete a 38999-type connector: strain relief, shield termination and protection for unmated connectors.
All 2 seriesSend your part number, pin-out or drawing. Every inquiry is acknowledged by email within 1 business day, and an engineer follows up with a matched configuration, drawing or quotation.
