BLV21 PDF Datasheet
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Description
This is UHF power transistor. DISCRETE SEMICONDUCTORS
DATA SHEET
BLV21 VHF power transistor
Product speci cation August 1986
Philips Semiconductors
Product speci cation
VHF power transistor
DESCRIPTION N-P-N silicon planar epitaxial transistor intended for use in class-A, B and C operated h.f. and v.h.f. transmitters with a nominal supply voltage of 28 V. The transistor is resistance stabilized and is guaranteed to withstand severe load mismatch conditions. It has a 3, 8" flange envelope with a ceramic cap. All leads are isolated from the flange.
BLV21
QUICK REFERENCE DATA R.F. performance up to Th = 25 °C in an unneautralized common-emitter class-B circuit MODE OF OPERATION c.w. VCE V 28 f MH- 175 PL W 15 Gp dB > 10 η % > 65 zI Ω 1,4 + j1,85 YL mS 33 j27,5
PIN CONFIGURATION
handbook, halfpage
PINNING PIN 1
1 4
DESCRIPTION collector emitter base emitter
2 3 4
2
3
MSB057
Fig.1 Simplified outline, SOT123.
PRODUCT SAFETY This device incorporates beryllium oxide, the dust of which is toxic. The device .