【Knowles Acoustics】BU-21771-000,MIC ACCELEROMETER VIBRATE SENSE
BU-21APN,CLIP BATT HEAVY DUTY STEEL 50A
BU-21APS,CLIP BATTERY HEAVY DUTY
BU-21CPN,CLIP BATT HEAVY DUTY COPPER 100A
BU-21CPS,CLIP COPPER 100A PLUS
BU21TD2WNVX-TL,IC REG LIN 2.1V 200MA 4SSON
【ROHM Semiconductor】BU21TD3WG-TR,IC REG LDO 2.1V .2A 5SSOP
BU21UA3WNVX-TL,IC REG LIN 2.1V 300MA 4SSON