* Pictures are placed for illustration purpose only. Appearance of real component may differ
Low-frequency electrical plug and socket units (rectangular connectors)with hyperboloid contacts.
Designed for DC, AC (with frequencies up to 3 MHz) and impulse circuits. GRPM1U connectors are compatible and interchangeable with GRPM1 connectors.
Annotation breakdown
Annotation example: connector GRPM1-31GO-2W
GRPM – series name
1– design index number
31(45,61,90,122)– number of contacts
Sh(G) – connector side (SH – plug, G – socket)
O(P, U) – mounting method, where O – wire mounting, P – straight PCB mounting, U – angular PCB mounting
1(2) contacts plating, where 1 – gold, 2 - silver
W – all-climate version
Operational conditions
| Sinusoidal vibration frequency range, Hz acceleration, m/s2 (g) | 5 – 4000 300 (30) |
| Acoustic noise frequency range, Hz sound pressure level, dB | 50 – 10000 150 |
| Multiple mechanical impacts peak acceleration, m/s2 (g) duration, ms | 400 (40) 2 - 10 |
| Single mechanical impact peak acceleration, m/s2 (g) duration, ms | 1500 (150) 0.2 – 1 |
| Linear acceleration, m/s2 (g) | 500 (50) |
| Ambient air temperature, oC | -60 .. +85 |
| Temperature variations (considering contacts overheat),oC | -60 .. +115 |
| Diminished air pressure, Pa (mmHg) | 1.3?10-4 (10-6) |
| Relative humidity at +35 oC, % | 98 |
| Frost, dew, mold-fungi, salt fog, static dust, solar radiation |
Technical parameters
| Current per contact, not more than, A | 2; |
| Voltage, not more than, V | 250 |
| Contact resistance, not more than, mOhm for PCB-to-PCB connectors for GRPM1U-122 for others | 8 7 5 |
| Insulation resistance, not less than, MOhm | 5000 |
| Insulation strength, V | 1200 |
| Capacitance between contacts, not more than, pF | 2.5 |
| Connector withdrawal force (with reference gage), not less than, N (kgf) | 0.3 (0.03) |
| Connector withdrawal force, N (kgf) | from 75 (7.5) to 196 (20) |
| Number of connection-disconnection cycles | 1000 |
| Minimum lifetime, h | 5000 |
| Minimum shelf life, years | 25 |
You can order GRPM1-31-GO2V from us
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