Half Size Crystal Can · HI-G Qualified
2K-2A-126
2 Form C (DPDT) 2A half-size crystal can relay
An all-welded, hermetically sealed 2A relay with gold-plated DPDT contacts, designed for reliable low-level and power switching in demanding military and commercial applications.
2A at 28Vdc; 1A at 115Vac / 400Hz; 0.3A at 115Vac / 60Hz · coil 26.5Vdc · 700Ω ±10% at 25°C coil resistance

Datasheet values · Revision on attached PDF
2K-2A-126
technical specifications
Values below are taken from the product datasheet associated with this part number. Qualification-specific limits remain governed by the controlled PDF.
- Part number
- 2K-2A-126
- HI-G series / cross-reference
- 2K Series
- Qualification
- HI-G Qualified
- Nominal coil voltage
- 26.5Vdc
- Maximum coil voltage
- 32Vdc
- Coil resistance
- 700Ω ±10% at 25°C
- Pick-up voltage
- 13.5Vdc max.
- Drop-out voltage
- 1.5Vdc min.
- Contact configuration
- 2 Form C (DPDT)
- Low-level contact rating
- 10mA at 30mV
- Resistive contact rating
- 2A at 28Vdc; 1A at 115Vac / 400Hz; 0.3A at 115Vac / 60Hz
- Overload contact rating
- 4A at 28Vdc
- Inductive contact rating
- 0.75A at 28Vdc (200mH)
- Contact resistance
- 0.05Ω max., initial
- Operate / release time
- 4ms max. / 2ms max. at 25°C
- Contact bounce
- 3ms max. at 25°C
- Dielectric strength
- 1000Vrms; 500Vrms open contacts and coil-to-case
- Insulation resistance
- 1000MΩ min. at 500Vdc
- Intercontact capacitance
- 2.5pF
- Sensitivity
- 250mW at pick-up; 660mW typical at nominal coil voltage
- Operating temperature
- −65°C to +125°C
- Shock
- 100g, 6ms
- Vibration
- 20g, 10–2000Hz
- Acceleration
- 50g
- Sealing
- All-welded, hermetically sealed
- Weight
- 10g max.
Technical document · PDF
2K Series technical datasheet
Electrical characteristics, coil data, contact ratings, environmental limits, terminal styles, dimensions and ordering information for 2K-2A-126.
HI-G · MIL · competitor codes
Part number cross-reference
HI-G part number: 2K-2A-126. MIL code: not listed for this product. The entries below are family-level cross-reference candidates from the HI-G comparison table. They do not confirm interchangeability or qualification; verify coil, contacts, terminals, mounting and ratings against the applicable datasheet.
RFQ