Avionics Pulsed Power Transistor
50 W, 960 - 1215 MHz, 10 µs Pulse, 10% Duty
Rev. V2
MAPRST0912-50
1
1
1
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Features
NPN Silicon Microwave Power Transistors
Common Base Configuration
Broadband Class C Operation
High Efficiency Inter-Digitized Geometry
Diffused Emitter Ballasting Resistors
Gold Metallization System
Internal Input and Output Impedance Matching
Hermetic Metal/Ceramic Package
RoHS* Compliant
Description
The MAPRST0912-50 is a RF power transistor.
These high power transistors are ideal for avionics,
communications, radar, and industrial, scientific, and
medical applications.
* Restrictions on Hazardous Substances, European Union Directive 2011/65/EU.
Outline Drawing
Parameter Test Conditions Symbol Min. Max. Units
Collector-Emitter Breakdown Voltage IC = 15 mA BVCES 65 - V
Collector-Emitter Leakage Current VCE = 40 V ICES - 2.0 mA
Thermal Resistance F = 960, 1090, 1215 MHz RTH(JC) - 0.80 °C/W
Output Power F = 960, 1090, 1215 MHz PO 50 - W
Power Gain F = 960, 1090, 1215 MHz GP 9.1 - dB
Input Return Loss F = 960, 1090, 1215 MHz RL 40 - dB
Collector Efficiency F = 960, 1090, 1215 MHz ȠC - -9 %
Load Mismatch Stability F = 960 MHz VSWR-S - 10:1 -
Load Mismatch Tolerance F = 960, 1090, 1215 MHz VSWR-T - 1.5:1 -
Electrical Specifications: TA = +25°C ± 5°C, VCC = 50 V, PIN = 6.2 W (unless otherwise noted)
Avionics Pulsed Power Transistor
50 W, 960 - 1215 MHz, 10 µs Pulse, 10% Duty
Rev. V2
MAPRST0912-50
2
2
2
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
Parameter Rating
Collector-Emitter Voltage (VCES) 65 V
Emitter-Base Voltage (VEBO) 3.0 V
Collector Current (Peak) (IC) 5.3 A
Power Dissipation @ +25°C (PTOT) 220 kW
Storage Temperature (TSTG) -65°C to +200°C
Junction Temperature (TJ) 200°C
Absolute Maximum Ratings @ +25°C
Freq.
(MHz)
Pin
(W)
Pout
(W)
Gain
(dB)
Gain
(dB)
Ic
(A)
Eff
(%)
RL
(dB)
VSWR-S
(1.5:1)
VSWR-T
(10:1)
P1dB Overdrive
Pout (W) Po
960 6.2 65.9 10.25 - 2.66 49.6 -22.2 S P 73.4 0.48
1090 6.2 61.9 9.98 2.58 48.0 -15.2 S - 68.7 0.45 -
1215 6.2 64.6 10.16 2.50 51.6 -15.9 S - 74.8 0.63
0.35
Note: Po(dB) is the difference between Pout at 1dB overdrive and Pout at Pin = 6.2 W.
Typical RF Performance
Output Power vs. Input Power
40
50
60
70
80
4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5
960 MHz
1090 MHz
1215 MHz
Input Power (W)
Gain vs. Frequency Collector Efficiency vs. Frequency
8.8
9.2
9.6
10.0
10.4
10.8
950 1000 1050 1100 1150 1200 1250
Frequency (MHz)
30
36
42
48
54
60
950 1000 1050 1100 1150 1200 1250
Frequency (MHz)
Avionics Pulsed Power Transistor
50 W, 960 - 1215 MHz, 10 µs Pulse, 10% Duty
Rev. V2
MAPRST0912-50
3
3
3
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
Frequency
(MHz)
ZIF
(Ω)
ZOF
(Ω)
960 3.5 - j7.5 12.0 - j7.8
1030 3.8 - j7.0 11.1 - j6.4
1090 3.9 - j6.8 10.6 - j5.1
1150 3.9 - j6.8 10.8 - j3.8
1215 3.6 - j7.0 11.1 - j3.2
Broadband Test Fixture Impedance
Test Fixture Assembly
Test Figure
Input Circuit
Test Figure
Output Circuit
50 Ω
50 ΩZIF ZOF
Avionics Pulsed Power Transistor
50 W, 960 - 1215 MHz, 10 µs Pulse, 10% Duty
Rev. V2
MAPRST0912-50
4
4
4
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
Test Fixture Circuit Dimensions
Avionics Pulsed Power Transistor
50 W, 960 - 1215 MHz, 10 µs Pulse, 10% Duty
Rev. V2
MAPRST0912-50
5
5
5
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
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