| 銷售商 | 型號 | 制造商 | 功能描述 | 價格 |
 basicEparts | LM320K-12 | National Semiconductor Corporation | TO-3 | 價格未公開 |
 Bristol Electronics | LM320K-12 | National Semiconductor Corporation | | 24 : $5.227 49 : $4.853 99 : $4.592
|
 Digi-Key 得捷電子 | LM320K-12 | National Semiconductor | IC REG LINEAR FIXED STNDRD REG | $13.00000 |
 Quest Components | LM320K-12 | National Semiconductor Corporation | Voltage Regulator, -12V, Bi-Polar, 3 Pin, Metal, TO-204/-3 | 72 : $6.5 28 : $7.0 1 : $15.0
|
 Rochester Electronics | LM320K-12 | Texas Instruments | N/A | 500 : $17.11 1,000 : $16.25
|