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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Order this document by MMBR4957LT1/D
The RF Line
PNP Silicon High-Frequency Transistor
. . . designed for high-gain, low-noise amplifier oscillator and mixer applications. Specifically packaged for thick and thin-film circuits using surface mount components. * High Gain -- Gpe = 17 dB Typ @ f = 450 MHz * Low Noise -- NF = 3.0 dB Typ @ f = 450 MHz * Available in tape and reel packaging options by adding suffix: T1 suffix = 3,000 units per reel T3 suffix = 10,000 units per reel MAXIMUM RATINGS
Rating Collector-Emitter Voltage Collector-Base Voltage Emitter-Base Voltage Collector Current -- Continuous Maximum Junction Temperature Power Dissipation, Tcase = 75C* Derate linearly above Tcase = 75C @ Symbol VCEO VCBO VEBO IC TJmax PD(max) Value - 30 - 30 - 3.0 - 30 150 0.278 3.70 Unit Vdc Vdc Vdc mAdc C W mW/C IC = - 30 mA HIGH-FREQUENCY TRANSISTOR PNP SILICON
MMBR4957LT1, T3
THERMAL CHARACTERISTICS
Characteristic Storage Temperature Thermal Resistance Junction to Case* Symbol Tstg RJC Max - 55 to +150 270 Unit C C/W CASE 318-07, STYLE 6 SOT-23 LOW PROFILE (TO-236AA/AB)
* Package mounted on 99.5% alumina 10 x 8 x 0.6 mm.
DEVICE MARKING
MMBR4957LT1, T3 = 7F
ELECTRICAL CHARACTERISTICS (TA = 25C unless otherwise noted.)
Characteristic Symbol Min Typ Max Unit
OFF CHARACTERISTICS
Collector-Emitter Breakdown Voltage (IC = -1.0 mAdc, IB = 0) Collector-Base Breakdown Voltage (IC = -100 Adc, IE = 0) Emitter-Base Breakdown Voltage (IE = -100 Adc, IC = 0) Collector Cutoff Current (VCB = -10 Vdc, IC = 0) V(BR)CEO V(BR)CBO V(BR)EBO ICBO - 30 - 30 - 3.0 -- -- -- -- -- -- -- -- - 0.1 Vdc Vdc Vdc Adc
ON CHARACTERISTICS
DC Current Gain (IC = - 2.0 mAdc, VCE = -10 Vdc) hFE 20 -- 150 --
SMALL-SIGNAL CHARACTERISTICS
Current-Gain -- Bandwidth Product (IE = - 2.0 mAdc, VCE = -10 Vdc, f = 100 MHz) Collector-Base Capacitance (VCB = -10 Vdc, IE = 0, f = 1.0 MHz) Common-Emitter Amplifier Power Gain (VCE = -10 Vdc, IC = - 2.0 mAdc, f = 450 MHz) Noise Figure (IC = - 2.0 mAdc, VCE = -10 Vdc, f = 450 MHz) fT Ccb Gpe NF -- -- -- -- 1200 -- 17 3.0 -- 0.8 -- -- MHz pF dB dB
REV 6
(c)MOTOROLA RF DEVICE DATA Motorola, Inc. 1994
MMBR4957LT1, T3 1
VCE (Volts) - 5.0
IC (mA) - 5.0
f MHz 0.1 0.3 0.5 0.7 0.9 1.2 1.5 2.0 2.5 3.0 0.1 0.3 0.5 0.7 0.9 1.2 1.5 2.0 2.5 3.0 0.1 0.3 0.5 0.7 0.9 1.2 1.5 2.0 2.5 3.0 0.1 0.3 0.5 0.7 0.9 1.2 1.5 2.0 2.5 3.0 0.1 0.3 0.5 0.7 0.9 1.2 1.5 2.0 2.5 3.0 0.1 0.3 0.5 0.7 0.9 1.2 1.5 2.0 2.5 3.0
S11 |S11| 0.61 0.39 0.30 0.26 0.24 0.24 0.23 0.23 0.25 0.29 0.42 0.28 0.25 0.25 0.25 0.26 0.26 0.27 0.30 0.34 0.24 0.24 0.27 0.29 0.31 0.32 0.32 0.34 0.36 0.41 0.65 0.42 0.31 0.26 0.24 0.23 0.21 0.20 0.21 0.25 0.49 0.30 0.25 0.23 0.22 0.23 0.23 0.23 0.25 0.30 0.38 0.25 0.23 0.23 0.24 0.26 0.26 0.27 0.29 0.34 - 37 - - 83 - - 107- - 125- - 140- - 158- - 172- 156 133 105 - 55 - - 108- - 132- - 148- - 162- - 177- 170 142 122 97 - 90 - - 136- - 153- - 167- - 178- 168 155 130 111 89 - 33 - - 73 - - 95 - - 111- - 126- - 144- - 159- 166 141 109 - 46 - - 91 - - 114- - 132- - 147- - 164- - 178- 150 128 101 - 57 - - 107- - 130- - 147- - 161- - 177- 170 141 120 96 |S21| 9.28 5.56 3.73 2.79 2.26 1.78 1.49 1.17 0.98 0.85 11.54 5.81 3.72 2.77 2.23 1.74 1.46 1.14 0.95 0.82 6.83 3.17 2.23 1.75 1.47 1.20 1.03 0.83 0.71 0.64 9.36 5.77 3.91 2.94 2.39 1.87 1.58 1.24 1.04 0.90 12.33 6.45 4.19 3.10 2.50 1.96 1.63 1.27 1.06 0.92 12.51 5.97 3.84 2.84 2.29 1.80 1.50 1.17 0.97 0.84
S21 148 112 95 84 76 65 55 43 33 26 138 104 90 81 73 62 54 41 32 26 129 107 96 86 77 65 56 44 36 31 149 114 98 87 78 67 58 46 35 28 141 107 93 83 75 65 57 44 35 27 135 103 90 81 74 64 55 43 34 27 |S12| 0.03 0.07 0.09 0.12 0.14 0.17 0.20 0.24 0.29 0.34 0.03 0.06 0.08 0.11 0.13 0.16 0.19 0.24 0.29 0.35 0.02 0.05 0.08 0.10 0.12 0.15 0.18 0.24 0.31 0.37 0.03 0.06 0.09 0.11 0.14 0.17 0.19 0.23 0.27 0.32 0.03 0.06 0.08 0.11 0.13 0.16 0.18 0.23 0.28 0.33 0.02 0.05 0.08 0.10 0.12 0.15 0.18 0.23 0.28 0.34
S12 72 62 62 62 61 60 60 60 59 58 71 66 67 66 66 65 65 65 64 61 69 70 69 70 70 70 72 71 68 64 74 64 63 63 62 60 60 60 59 59 71 67 67 66 65 64 65 65 64 62 71 69 69 68 67 68 68 69 67 64 |S22| 0.90 0.69 0.62 0.59 0.58 0.58 0.58 0.56 0.54 0.50 0.84 0.64 0.59 0.58 0.57 0.57 0.57 0.56 0.53 0.50 0.80 0.72 0.69 0.66 0.65 0.64 0.63 0.60 0.57 0.51 0.92 0.72 0.65 0.62 0.61 0.60 0.60 0.58 0.56 0.52 0.87 0.66 0.61 0.59 0.58 0.58 0.58 0.57 0.55 0.51 0.84 0.66 0.63 0.61 0.61 0.60 0.61 0.59 0.57 0.53
S22 - 16 - 27 - 30 - 34 - 38 - 45 - 51 - 61 - 72 - 83 - 18 - 25 - 28 - 32 - 37 - 43 - 50 - 60 - 73 - 83 - 12 - 19 - 26 - 32 - 38 - 46 - 53 - 65 - 78 - 90 - 14 - 25 - 29 - 32 - 37 - 43 - 49 - 58 - 69 - 79 - 17 - 24 - 27 - 31 - 35 - 41 - 47 - 57 - 67 - 78 - 17 - 21 - 25 - 29 - 34 - 41 - 47 - 57 - 68 - 79
-10
-15
-10
- 5.0
-10
-15
Table 1. Common Emitter S-Parameters
MMBR4957LT1, T3 2
MOTOROLA RF DEVICE DATA
PACKAGE DIMENSIONS
A L
3
BS
1 2
NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. MAXIUMUM LEAD THICKNESS INCLUDES LEAD FINISH THICKNESS. MINIMUM LEAD THICKNESS IS THE MINIMUM THICKNESS OF BASE MATERIAL. INCHES MIN MAX 0.1102 0.1197 0.0472 0.0551 0.0350 0.0440 0.0150 0.0200 0.0701 0.0807 0.0005 0.0040 0.0034 0.0070 0.0180 0.0236 0.0350 0.0401 0.0830 0.0984 0.0177 0.0236 MILLIMETERS MIN MAX 2.80 3.04 1.20 1.40 0.89 1.11 0.37 0.50 1.78 2.04 0.013 0.100 0.085 0.177 0.45 0.60 0.89 1.02 2.10 2.50 0.45 0.60
V
G C D H K J
STYLE 6: PIN 1. BASE 2. EMITTER 3. COLLECTOR
DIM A B C D G H J K L S V
CASE 318-07 ISSUE AD
MOTOROLA RF DEVICE DATA
MMBR4957LT1, T3 3
Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. "Typical" parameters can and do vary in different applications. All operating parameters, including "Typicals" must be validated for each customer application by customer's technical experts. Motorola does not convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer.
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MMBR4957LT1, T3 4
*MMBR4957LT1/D*
MMBR4957LT1/D MOTOROLA RF DEVICE DATA

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