| M50-355, M50-365 | Nickel all over, Gold Flash on contact area | 1.75A max | 20m max (initial), 30m max (after conditioning) | 1,000V ACrms for 1 minute | 5,000M min | -55C to +125C | 600 | 0.8N per contact | 0.15N per contact | 2N per contact |
| M50-380 | Nickel all over, Gold Flash on contact area | 0.5A max | 20m max (initial), 30m max (after conditioning) | 1,000V AC for 1 minute (initial), 250V AC for 1 minute (final) | 1,000M min | -40C to +105C | 100 | 1N per contact | 0.15N per contact | 9.8N per contact |
| M50-90X, M50-91X | Nickel all over, Gold Flash on contact area | 0.5A max | 20m max (initial), 30m max (after conditioning) | 300V DC for 10 seconds | 5M min | -20C to +105C | 100 | 1N per contact | 0.15N per contact | 9.8N per contact |
| M50-355/365 (Finish Code 42) | Nickel all over, Gold Flash on contact area, 100% Tin on tails | 1.75A max | 20m max (initial), 30m max (after conditioning) | 1,000V ACrms for 1 minute | 5,000M min | -55C to +125C | 600 | 0.8N per contact | 0.15N per contact | 2N per contact |
| M50-355/365 (Finish Code 45) | Gold Flash over Nickel | 1.75A max | 20m max (initial), 30m max (after conditioning) | 1,000V ACrms for 1 minute | 5,000M min | -55C to +125C | 600 | 0.8N per contact | 0.15N per contact | 2N per contact |
| M50-310/312/430/470/480/490 | Nickel all over, Gold Flash on contact area | 1A max | 20m max (initial), 30m max (after conditioning) | 300V AC, 500V DC for 1 minute | 500M min | -40C to +105C | 100 | 2N per contact | 0.15N per contact | 1.5N per contact |
| M50-303/313/314/315/330/350/353/355/363/365/390/393 | Nickel all over, Gold Flash on contact area | 1A max | 20m max (initial), 30m max (after conditioning) | 500V AC for 1 minute (initial), 250V AC for 1 minute (final) | 1,000M min | -40C to +105C | 500 (M50-353/363/303), 300 (Others) | 1.5N per contact | 0.2N per contact (M50-303/313/314), 0.15N per contact (Others) | 3N per contact (M50-303/311/313/314/315), 2N per contact
(M50-353/363/303) |
| M50-19X/20X | Nickel all over, Gold Flash on contact area | 1A max | 20m max (initial), 30m max (after conditioning) | 1,000V ACims for 1 minute | 1,000M min | -40C to +105C | 100 | 10N | 1.3N | 4N |
| M50-320/330/380 | Nickel all over, Gold Flash on contact area | 1A max | 20m max (initial), 30m max (after conditioning) | 800V ACims for 1 minute | 1,000M min | -40C to +105C | 100 | 1N per contact | 0.15N per contact | 9.8N per contact |
| M52 Series (e.g., M52-500/510) | Nickel all over, Gold Flash on contact area | 1A max | 20m max (initial), 30m max (after conditioning) | 500V AC, 1,000V DC for 1 minute | 1,000M min | -40C to +105C | 500 | 1.5N per contact | 0.12N per contact | 1.5N per contact |