Datasheet MRF5943R2, MRF5943R1, MRF5943 Datasheet (Microsemi Corporation)

RF & MICROWAVE DISCRETE
LOW POWER TRANSISTORS

Features

• Low Cost SO-8 Plastic Surface Mount Package.

• S-Parameter Characterization

• Tape and Reel Packaging Options Available

140 COMMERCE DRIVE
MONTGOMERYVILLE, PA
18936-1013
PHONE: [phone]
FAX: [phone]

MRF5943, R1, R2

• Maximum Available Gain = 17dB @ 300MHz

SO-8

R1 suffix–Tape and Reel, 500 units

R2 suffix–Tape and Reel, 2500 units

DESCRIPTION: Designed for general-purpose RF amplifier applications, such as; pre-drivers, drivers,

Oscillators, etc.

ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C)

Symbol Parameter Value Unit

V

CEO

V

CBO

V

EBO

I

C

Collector-Emitter Voltage 30 Vdc

Collector-Base Voltage 40 Vdc

Emitter-Base Voltage 3.5 Vdc

Collector Current 400 mA

Thermal Data

P

D

T

stg

R

θJA

MSC1321.PDF 10-25-99

Total Device Dissipation @ TC = 25ºC
Derate above 25ºC

Storage Temperature

Thermal Resistance, Junction to Ambient

1.0
8

150 ºC

125 ºC/W

Watts

mW/ ºC

MRF5943, R1, R2

ELECTRICAL SPECIFICATIONS (Tcase = 25°C)

STATIC
(off)

Symbol Test Conditions Value

Min. Typ. Max. Unit

BVCEO Collector-Emitter Breakdown Voltage

(IC = 5.0 mAdc, IB = 0) 30 - - Vdc

BVCBO Collector-Base Breakdown Voltage

(IC = 0.1 mAdc, IE = 0) 40 - - Vdc

BVEBO Emitter-Base Breakdown Voltage

(IE = 0.1 mAdc, IC = 0) 3.5 - - Vdc

ICBO Collector Cutoff Current

(VCB = 20 Vdc, VBE = 0 Vdc) - - .01 mA

ICEO Collector Cutoff Current

(VCE = 20 Vdc, VBE = 0 Vdc) - - .05 mA

(on)

HFE DC Current Gain

(IC = 50 mAdc, VCE = 15 Vdc) 25 - 300

VCE(sat) Collector-emitter Saturation Voltage

(IC = 100 mAdc, IB = 10 mA) .2

VBE(sat) Collector-emitter Saturation Voltage

(IC = 100 mAdc, IB = 10 mA) 1.0

DYNAMIC

Symbol Test Conditions Value

Min. Typ. Max. Unit

Ftau Current-Gain Bandwidth Product

(IC = 35 mAdc, VCE = 15 Vdc, f = 100 MHz)

-

Vdc

Vdc

1.3 - GHz

MSC1321.PDF 10-25-99

MRF5943, R1, R2

FUNCTIONAL

Symbol Test Conditions Value

Min. Typ. Max. Unit

G

U max

MAG Maximum Available Gain

|S21|

Maximum Unilateral Gain
IC = 35 mAdc, VCE = 15 Vdc, f = 300 MHz - 15

IC = 35 mAdc, VCE = 15 Vdc, f = 300 MHz - 17

2

Insertion Gain
IC = 35 mAdc, VCE = 15 Vdc, f = 300 MHz 11.5 12.5 - dB

-

-

dB

dB

Table 1. Common Emitter S-Parameters, @ VCE = 15 V, IC = 35 mA

(MHz) |S11|

10 0.606 -61 54.49 152 0.006 67 0.87 -20
30 0.618 -120 35.44 122 0.013 47 0.579 -31
50 0.626 -140 24.09 108 0.015 44 0.441 -35

70 0.637 -151 17.89 101 0.017 44 0.377 -33
100 0.648 -160 12.8 94 0.02 47 0.335 -29
300 0.691 -178 4.3 74 0.04 57 0.313 -31
500 0.713 172 2.53 61 0.056 58 0.348 -44
700 0.719 161 1.79 50 0.07 59 0.391 -58

1000 0.722 153 1.22 35 0.09 62 0.449 -75

∠ φ

|S21|

∠ φ

|S12|

∠ φ

|S22|

∠ φ

MSC1321.PDF 10-25-99

Efficiency (%)

Freq (MHz)
Freq (MHz)

Gu Max (dB)
IC max (
Package

Device

IC max (mA)

RF (Low Power PA / General Purpose) Selection Guide

Pout (watts)

GPE (dB)

GPE VCC

BVCEO

Type

Package

Device

Type

NF (dB)

NF IC (

NF VCE

GN (dB)

Ftau (MHz)

Ccb

BVCEO

RF (LNA / General Purpose) Selection Guide

RF Low Power PA, LNA, and General Purpose Discrete Selector GuideRF Low Power PA, LNA, and General Purpose Discrete Selector Guide

MRF5943, R1, R2

SO-8 MRF4427, R2 NPN 175 0.15 18 60 12 20 400

TO-39 2N4427 NPN 175 1 10 50 12 20 400
POWER MACRO MRF553 NPN 175 1.5 11.5 60 12.5 16 500
POWER MACRO MRF553T NPN 175 1.5 11.5 50 12.5 16 500

TO-39 MRF607 NPN 175 1.75 11.5 50 12.5 16 330

TO-39 2N6255 NPN 175 3 7.8 50 12.5 18 1000

TO-72 2N5179 NPN 200 20 6 12 50

MACRO X MRF559 NPN 512 0.5 10 65 7.5 16 150
MACRO X MRF559 NPN 512 0.5 13 60 12.5 16 150

TO-39 2N3866A NPN 400 1 10 45 28 30 400

SO-8 MRF3866, R1, R2 NPN 400 1 10 45 28 30 400
POWER MACRO MRF555 NPN 470 1.5 11 50 12.5 16 400
POWER MACRO MRF555T NPN 470 1.5 11 50 12.5 16 400

MACRO X MRF559 NPN 870 0.5 6.5 70 7.5 16 150
MACRO X MRF559 NPN 870 0.5 9.5 65 12.5 16 150

SO-8 MRF8372,R1,R2 NPN 870 0.75 8 55 12.5 16 200
POWER MACRO MRF557 NPN 870 1.5 8 55 12.5 16 400
POWER MACRO MRF557T NPN 870 1.5 8 55 12.5 16 400

Low Cost RF Plastic Package Options

mA)

(pF)

TO-39 2N5109 NPN 200 3 10 15 12 1200 3.5 20 400
TO-39 MRF5943C NPN 200 3.4 30 15 11.4 1000 30 400

SO-8 MRF5943, R1, R2 NPN 200 3.4 30 15 15 1300 30 400
TO-72 2N5179 NPN 200 4.5 1.5 6 17 900 1 12 50
TO-72 2N2857 NPN 300 5.5 50 6 13 1600 1 15 40
TO-39 MRF517 NPN 300 7.5 50 15 5.5 4600 3 25 150

TO-72 MRF904 NPN 450 1.5 5 6 11 4000 1 15 30
TO-72 2N6304 NPN 450 5 2 5 14 1400 1 15 50

MACRO T BFR91 NPN 500 1.9 2 5 11 16.5 5000 1 12 35
MACRO T BFR96 NPN 500 2 10 10 14.5 500 2.6 15 100

SO-8 MRF5812, R1, R2 NPN 500 2 50 10 15.5 17.8 5000 15 200

MACRO X MRF581A NPN 500 2 50 10 14 15 5000 15 200

Macro BFR90 NPN 500 2.4 2 10 15 18 5000 1 15 30
TO-72 BFY90 NPN 500 2.5 2 5 20 1300 15 50
TO-72 MRF914 NPN 500 2.5 5 10 15 4500 12 40

MACRO X MRF581 NPN 500 2.5 50 10 15 17.8 5000 16 200

TO-39 MRF586 NPN 500 3 90 15 11 14.5 4500 2.2 17 200

MACRO X MRF951 NPN 1000 1.3 5 6 14 17 8000 0.45 10 100
MACRO X MRF571 NPN 1000 1.5 10 6 10 8000 1 10 70
MACRO T BFR91 NPN 1000 2.5 2 5 8 11 5000 1 12 35
MACRO T BFR90 NPN 1000 3 2 10 10 12.5 5000 1 15 30

TO-39 MRF545 PNP 14 1400 2 70 400
TO-39 MRF544 NPN 13.5 1500 70 400

mA)

Macro T

MSC1321.PDF 10-25-99

SO-8

MRF5943, R1, R2

PIN 1. EMITTER

2. COLLECTOR

3. COLLECTOR

4. EMITTER

8.

1.

5.

4.

5. EMITTER

6. BASE

7. BASE

8. EMITTER

MSC1321.PDF 10-25-99