START499D STMicroelectronics, START499D Datasheet - Page 9

• Manufacturer Part Number: START499D
• Description: TRANS RF NPN 4.5V 1A SOT-89
• Manufacturer: STMicroelectronics

Specifications of START499D

• Transistor Type: NPN
• Voltage - Collector Emitter Breakdown (max): 4.5V
• Gain: 13dB ~ 14dB
• Power - Max: 1.7W
• Dc Current Gain (hfe) (min) @ Ic, Vce: 150 @ 160mA, 3V
• Current - Collector (ic) (max): 1A
• Mounting Type: Surface Mount
• Package / Case: SOT-89
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Frequency - Transition: -
• Noise Figure (db Typ @ F): -
• Other names: 497-8804-2; START499D

START499D
Figure 14. Efficiency vs output power
Figure 16. Efficiency vs output power
70
65
60
55
50
45
40
35
30
25
70
65
60
55
50
45
40
35
30
25
21
16
17
22
18
860MHz
910MHz
960MHz
23
19
Output Pow er [dBm]
Output Pow er [dBm]
24
860MHz
910MHz
960MHz
20
25
Icq = 30mA
21
Vcc = 2 V
Icq = 30mA
Vcc = 3 V
26
22
27
23
Doc ID 14496 Rev 4
28
24
Figure 15. Gain vs output power
18
17
16
15
14
13
12
16
17
18
19
Output Pow er [dBm]
Icq = 30mA
Vcc = 2 V
860MHz
910MHz
960MHz
20
Typical performance
21
22
23
24
9/18