BLV33 NJSEMI | Alldatasheet

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Technical content

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20 STERN AVE,

SPRINGFIELD, NEW JERSEY 07081 U.S.A. VHP linear power transistor TELEPHONE: (973) 376-2922 (212)227-6005 FAX: (973) 376-8960 BLV33

FEATURES

  • Diffused emitter ballasting resistors for an optimum temperature profile
  • Gold sandwich metallization ensures excellent reliability.

APPLICATIONS

  • Primarily intended for use in linear VHP amplifiers for television transmitters and transposers.

DESCRIPTION

NPN silicon planar epitaxial transistor encapsulated in a Vie" 4 fslead SOT147 capstan package with ceramic cap. All leads are isolated from the stud. PINNING-SOT147 PIN SYMBOL c e b e Fig.1 Simplified outline and symbol. QUICK REFERENCE DATA RF performance in a common emitter push-pull test circuit. MODE OF OPERATION CW, class-A CW, class-AB

  • vision (MHz) 224.25 224.25 VCE (V) 'c, Iqzs) (A) 3.2 0.1 Th (°C) <W1> (dB) -55 -55 P (1) ro sync (W) >16.5 typ. 26 typ. 90 GP (dB) typ. 9.7 typ. 6.5 synccompr.'2) sync In/sync out (%) Notes 1. Three-tone test method (vision carrier -8 dB, sound carrier -7 dB, sideband signal -16 dB), zero dB corresponds to peak sync level. WARNING Product and environmental safety - toxic materials This product contains beryllium oxide. The product is entirely safe provided that the BeO disc is not damaged. All persons who handle, use or dispose of this product should be aware of its nature and of the necessary safety precautions. After use, dispose of as chemical or special waste according to the regulations applying at the location of the user. It must never be thrown out with the general or domestic waste. NJ Semi-Conductors reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by NJ Semi-Conductors is believed to be both accurate and reliable at the time of going to press. However, NJ Semi-Conductors assumes no responsibility for any errors or omissions discovered in its use. NJ Semi-Conductors encourages customers to verify that datasheets are current before placing orders. Quality Semi-Conductors

VHP linear power transistor BLV33 LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL VCESM VCEO VEBO Ic IC(AV) ICM Plot Prf Tstg PARAMETER collector-emitter voltage collector-emitter voltage emitter-base voltage collector current (DC) average collector current peak collector current total power dissipation (DC) RF power dissipation storage temperature operating junction temperature CONDITIONS VBE = 0 open base open collector f>1 MHz Tmb = 25 nC f>1 MHz;Tmb = 25"C MIN. -65 MAX. 12.5 12.5 132 165 +150 200 UNIT V V V A A A W W :'C uc THERMAL CHARACTERISTICS SYMBOL Rthj-mb(dc) °th j-mb(rf) Rth mb-h PARAMETER thermal resistance from junction to mounting base (DC dissipation) thermal resistance from junction to mounting base (RF dissipation) thermal resistance from mounting base to heatsink CONDITIONS Pdlss = 80 W; Tmb = 82 C; Th = 70 JC Pdiss = 80 W; Tmb = 82 aC; Th = 70 "C Pdiss = 80 W; Tmb = 82 "C; Th = 70 "C VALUE 1.46 1.17 0.15 UNIT K/W K/W K/W (1) Tmb = 25°C (2) Th = 70°C. (3) Second breakdown limit (independent of temperature). Fig.2 DC SOAR. 200 (1) Continuous DC (including RF class-A) operation. (2) Continuous RF operation. Fig. 3 Power derating curves.

VHP linear power transistor BLV33 Fig.4 Maximum thermal resistance from junction to heatsink as a function of power dissipation, with heatsink and junction temperature as parameters. Example Nominal class-A operation: VCE = 25 V; lc = 3.2 A; Th = 70 'C Figure 4 shows: RthJ.h = max. 1.60K/W TJ = max. 198 °C. Typical device: RthJ.h = typ.1.50K/W Tj = typ. 190 °C.

VHP linear power transistor BLV33 PACKAGE OUTLINE 1/4"x 28 UNF 1.9 maxH -0.14 metal BeO _-- ceramic 13.4_ 126 5.30 4.85

  • - 8-3 max Dimensions in mm Torque on nut: min 2.3 Mm; max 2.7 Mm Diameter of clearance hole in heatsmk: max. 6.4 mm Mounting hole to have no burrs at either end. De-burring must leave surface flat; do not chamfer or countersink either end of hole When locking is required an adhesive is preferred instead of a lock washer. Fig.22 SOT147.