This is manufactured by Infineon Technologies. The manufacturer part number is BFR181WE6327. The maximum collector current includes 20ma. It is assigned with possible HTSUS value of 8541.21.0075. The product is rohs3 compliant. The maximum collector emitter breakdown voltage of the product is 12v. The product has 150°c (tj) operating temperature range. Moreover, the product comes in sc-70, sot-323. Furthermore, 70 @ 5ma, 8v is the minimum DC current gain at given voltage. It has given noise figure of 0.9db ~ 1.2db @ 900mhz ~ 1.8ghz at given frequency. The transition frequency of the product is 8ghz. In addition, it is reach unaffected. The 19db is the gain value of a bespoke product. The transistor is a npn type. It is shipped in bulk package . Its typical moisture sensitivity level is 1 (unlimited). The product is available in surface mount configuration. sot-323 is the supplier device package value. The maximum power of the product is 175mw. The product is designated with the ear99 code number.