 Digi-Key | 1920-CYK4-ND | 1 | 200 | 50 | 1 @ $4.47, 10 @ $3.40, 25 @ $3.19, 50 @ $2.83, 100 @ $2.77, 250 @ $2.56, 500 @ $2.31, 1000 @ $2.05 |
| Allied Electronics | 71575394 | 1 | | 1 | |
| Hawk Electronics | CYK4 | 15 | 18 | 15 | 15 @ $3.09, 25 @ $3.02, 50 @ $2.83, 100 @ $2.78, 200 @ $2.73, 500 @ $2.65 |
| Future Electronics | 3116760 | 50 | | 50 | 50 @ $2.74, 150 @ $2.56, 300 @ $2.51 |
| Digi-Key | 9931917 | 1 | 33 | 1 | 1 @ $5.77, 10 @ $4.40, 25 @ $4.12, 50 @ $3.66, 100 @ $3.58, 250 @ $3.30, 500 @ $2.98, 1000 @ $2.65 |
| Allied Electronics | 71562688 | 1 | | 1 | |
 jensentools.com | 10120414 | 1 | | 1 | 1 @ $3.94 |
 Galco | CYK4-ALTH | 50 | | 50 | 1 @ $3.31 |
| us.rs-online.com | 71575394 | 1 | 50 | 1 | 1 @ $5.91, 50 @ $5.62 |
| Newark | 96AK4123 | 50 | | 50 | 1 @ $5.40, 100 @ $4.41, 250 @ $4.04, 500 @ $3.76, 1000 @ $3.53 |
