| 290921 | B3WN-6002 | Mechanical Key Switch | Omron |
| 290922 | B40-1500R | SILICON BRIDGE RECTIFIERS | EIC discrete Semiconductors |
| 290923 | B40-28 | NPN SILICON RF POWER TRANSISTOR | Advanced Semiconductor |
| 290924 | B40-C1000 | SILICON BRIDGE RECTIFIERS | EIC discrete Semiconductors |
| 290925 | B40-C1500R | SILICON BRIDGE RECTIFIERS | EIC discrete Semiconductors |
| 290926 | B40/35-20Si | Silicon rectifier bridge 20A/40V | RFT |
| 290927 | B4002D | Control circuit for high-voltage switching transistors, possibly equivalent UAA4002 | RFT |
| 290928 | B4041 | Precision Micro power Voltage Reference | BayLinear |
| 290929 | B4041YK-1.225 | Precision micro power voltage reference | BayLinear |
| 290930 | B4041YK-1.25 | Precision micro power voltage reference | BayLinear |
| 290931 | B4041YM-1.225 | Precision micro power voltage reference | BayLinear |
| 290932 | B4041YM-1.25 | Precision micro power voltage reference | BayLinear |
| 290933 | B4041YZ-1.225 | Precision micro power voltage reference | BayLinear |
| 290934 | B4041YZ-1.25 | Precision micro power voltage reference | BayLinear |
| 290935 | B4044 | Low Loss Filter for Mobile Communication | Matsushita Electric Works(Nais) |
| 290936 | B4050 | Low Loss Filter | EPCOS |
| 290937 | B40C | POWER MODULES DIODE | International Rectifier |
| 290938 | B40C100 | POWER MODULES DIODE | International Rectifier |
| 290939 | B40C1000 | 100 V, 1 A glass passivated bridge rectifier | Fagor |
|
| 290940 | B40C1000 | 1.0A BRIDGE RECTIFIER | Won-Top Electronics |
| 290941 | B40C1000G | GLASS PASSIVATED SINGLE-PHASE BRIDGE RECTIFIER | General Semiconductor |
| 290942 | B40C1000G | Glass Passivated Single-Phase Bridge Rectifier, Forward Current 1.0A | Vishay |
| 290943 | B40C120 | POWER MODULES DIODE | International Rectifier |
| 290944 | B40C1500 | Single Phase Rectifier Bridge | IPRS Baneasa |
| 290945 | B40C1500 | 1.5A BRIDGE RECTIFIER | Won-Top Electronics |
| 290946 | B40C1500G | GLASS PASSIVATED SINGLE-PHASE BRIDGE RECTIFIER | General Semiconductor |
| 290947 | B40C1500G | Glass Passivated Single-Phase, Bridge Rectifiers, Forward Current 1.5A | Vishay |
| 290948 | B40C1500R | 100 V, 1.5 A glass passivated bridge rectifier | Fagor |
| 290949 | B40C20 | POWER MODULES DIODE | International Rectifier |
| 290950 | B40C2200 | 3.7A BRIDGE RECTIFIER | Won-Top Electronics |
| 290951 | B40C2300 | Silicon-Bridge Rectifiers | Diotec Elektronische |
| 290952 | B40C2300-1500 | Silicon-Bridge Rectifiers | Diotec Elektronische |
| 290953 | B40C2300-1500A | Silicon-Bridge Rectifiers | Diotec Elektronische |
| 290954 | B40C2300-1500AB | Silicon-Bridge Rectifiers | Diotec Elektronische |
| 290955 | B40C2300-1500B | Silicon-Bridge Rectifiers | Diotec Elektronische |
| 290956 | B40C250 | Selenium micro rectifier bridges-circuit | RFT |
| 290957 | B40C3200-2200 | Silicon-Bridge Rectifiers | Diotec Elektronische |
| 290958 | B40C3300 | 5.0A BRIDGE RECTIFIER | Won-Top Electronics |
| 290959 | B40C3700 | Silicon-Bridge Rectifiers | Diotec Elektronische |
| 290960 | B40C3700 | 3.7A BRIDGE RECTIFIER | Won-Top Electronics |
