PT4455使用晶振作为基频，使得频率偏移可以降至最低。在250~450MHz的操作频带中， 3.0V的工作电压即可输出+10dBm功率，很适合低电压应用。PT4455也是市面上相同方案中外围零件最少者，可以减少PCB所需面积，让终端产品在造型有更多发挥的空间，采用SOT-6封装,跟pt4450比，它有了内置晶振！

PT6955	PTC		SOP-24
PT6958	PTC		SOP-28
PT6959	PTC		SOP-28
PT6961	PTC		SOP-32
PT6963	PTC		SOP-32
PT6964	PTC		SOP-28
PT6965	PTC		SSOP-32/TSSOP-32
PT6991	PTC		SOP-32
PT6992	PTC		TSSOP-24
PT6993	PTC		SOP-32
PT6724	PTC		SOP-24/SSOP-24
PT6726	PTC		SOP/DIP
PT6901	PTC		SOP-8
PT6903	PTC		TO-252/SOP-8
PT6904	PTC		SOP-16
PT6907	PTC		SOP-8
PT6905	PTC		SOT-89
PT6909	PTC		SOP-8
PT6910	PTC		SOT-89
PT6910A	PTC		SOT-89
PT6911	PTC		SOP-8
PT16922	PTC		HTSSOP-24
PT6908	PTC		SOP-16
PT6935	PTC		TSOP-23
PT6970	PTC		HTSSOP-24
PT16972	PTC		HTSSOP-24
PT6311	PTC		LQFP-52
PT6312	PTC		LQFP-44
PT6313-S	PTC		SOP-28
PT6324	PTC		LQFP-52
PT6332	PTC		LQFP-80
PT6355	PTC		LQFP-44
PT6305	PTC		QFP-100
PT6306	PTC		QFP-100
PT6301	PTC		CIG-100
PT6302	PTC		LQFP-64
PT6314	PTC		LQFP-144
PT6321	PTC		LQFP-80
PT6398	PTC		LQFP-44
PT6397	PTC		LQFP-52
PT6382	PTC		LQFP-44
PT6383	PTC		LQFP-80
PT6522	PTC		QFP-64
PT6523	PTC		LQFP-64
PT6524	PTC		QFP-64
PT6530	PTC		LQFP-100
PT6533	PTC		LQFP-44
PT6547	PTC		LQFP-100
PT6552	PTC		LQFP-64
PT6553	PTC		LQPF-64
PT6554	PTC		LQFP-64
PT6557	PTC		LQFP-80
PT6557C	PTC		LQFP-120
PT6578	PTC		LQFP-100
PT6583	PTC		LQFP-80
PT6584	PTC		LQFP-80
PT6596	PTC		LQFP-44
PT16588	PTC		TQFP-100
PT6520	PTC		QFP-100
PT6525	PTC		LQFP-64
PT6526	PTC		LQFP-64
PT6555	PTC		LQFP-64
PT6586	PTC		LQFP-48
PT6587	PTC		LQFP-64
PT16511	PTC		LQFP-48
PT16512	PTC		LQFP-64
PT16556	PTC		LQFP-44
PT16557	PTC		LQFP-64
PT16580	PTC		LQFP-64
PT16581	PTC		LQFP-64
PT16589	PTC		LQFP-80
PT6001	PTC		COF
PT6003	PTC		COF
PT6101	PTC		COF
PT2347	PTC		SOP-28
PT2348	PTC		SSOP-36
PT12311	PTC		SOP-28
PT12913	PTC		SSOP-20
PT12917	PTC		SOP-28
PT12919	PTC		SOP-28
PT2313E	PTC		SOP-32
PT2312E	PTC		SOP-28
PT2314E	PTC		SOP-28
PT2315E	PTC		SOP-20
PT2318	PTC		SOP-32
PT2033	PTC		SOP-32
PT2037	PTC		LQFP-44
PT2319	PTC		SSOP-36
PT2329	PTC		SOP-32
PT2253A	PTC		DIP/SOP
PT2256V	PTC		DIP/SOP
PT2257	PTC		DIP/SOP
PT2259	PTC		DIP/SOP
PT2310	PTC		DIP/SOP
PT2258	PTC		DIP/SOP
PT2325	PTC		DIP/SOP
PT2386	PTC		DIP/SOP
PT2387	PTC		DIP/SOP
PT2389	PTC		DIP/SOP
PT2399	PTC		DIP/SOP
PT8211	PTC		DIP/SOP
PT8211L	PTC		DIP/SOP
PT2308	PTC		DIP/SOP
PT2308L	PTC		DIP/SOP
PT2309	PTC		DIP/SOP
PT2338	PTC		MSOP10
PT2579	PTC		DIP/SOP
PT2328	PTC		SOP
PT2303	PTC		DIP/SOP
PT2305	PTC		DIP/SOP
PT2366	PTC		MSOP-8
PT2366L	PTC		MSOP-8
PT2332	PTC		SOP-16
PT2301	PTC		TSSOP-24
PT2307	PTC		TSSOP-24
PT2334	PTC		LQFP-48
PT2335	PTC		LQFP-48
PT2337	PTC		LQFP-48
PT2369	PTC		HTSSOP-24
PT2830	PTC		LQFP-48
PT8501	PTC		LQFP-100
PT8921	PTC		LQFP-100
PT18922	PTC		LQFP-64
PT8923	PTC		LQFP-48
PT8913	PTC		SOP-24
PT8914	PTC		SOP-24
PT8915	PTC		SOP-28
PT8916	PTC		LQFP-48
PT8917	PTC		LQFP-48
PT5612	PTC		DIP/SOP-8
PT5613	PTC		SOP-20
PT5615	PTC		DIP/SOP-16
PT5611	PTC		DIP/SOP-16
PT5621	PTC		DIP/SOP-16
PT5622	PTC		DIP/SOP-16
PT5623	PTC		DIP/SOP-16
PT5631	PTC		DIP/SOP-16
PT5632	PTC		SOT-5
PT5633	PTC		DIP/SOP-8
PT5634	PTC		DIP/SOP-8
PT5100	PTC		WCSP-6
PT5110	PTC		WCSP-6
PT5662	PTC		WCSP-6
PT5101	PTC		HLA-24
PT5102	PTC		MSOP-8
PT5103	PTC		QFN-20
PT5104	PTC		DFN
PT5105	PTC		QFN-20
PT5109	PTC		QFN-20
PT5113	PTC		QFN-24
PT5115	PTC		QFN-24
PT5116	PTC		QFN-28
PT5119	PTC		QFN-24
PT5108	PTC		QFP-24
PT5111	PTC		QFP-24
PT5114	PTC		QFP-40
PT5102P	PTC		MSOP-8
FS8107E	PTC		TSSOP16
FS8108	PTC		TSSOP16
FS8170	PTC		TSSOP16
FS8308	PTC		TSSOP16
PA2460	PTC		SOP-8
PA2464	PTC		SOP-8
PT4501	PTC		QFP-24
PT4302	PTC		SSOP-24
PT4304	PTC		SSOP-16
PT4312	PTC		SSOP-16
PT4317	PTC		QFP-32
PT4330	PTC		SSOP-16
RX3310A	PTC		SOP-18
RX3140	PTC		TSSOP-20
RX3361	PTC		SOP-16
RX3408	PTC		SSOP-28
PT4450	PTC		SOT-6
PT4452	PTC		SOP-8
PT4455	PTC		SOT-6
TX4915	PTC		SSOP-16
PT9258	PTC		QFN-64
PT9120	PTC		QFN-24
PT8402B	PTC		LQFP-100
PT8405	PTC		LQFP-44
PT8406	PTC		LQFP-44
PT8300	PTC		SOP-28
PT2240B	PTC		SOP-8
PT2260	PTC		DIP/SOP-16
PT2262	PTC		DIP-18
PT2262	PTC		SOP-20
PT2262-IRS	PTC		DIP-18
PT2264	PTC		DIP-18
PT2262-IRS	PTC		SOP-20
PT2264	PTC		SOP-18
PT2270	PTC		DIP-18
PT2270	PTC		SOP-20
PT2272	PTC		DIP-18
PT2272	PTC		SOP-20
PT2221M	PTC		SOP-20
PT2221M	PTC		DIP-20
PT2222M	PTC		SOP-24
PT2248	PTC		DIP/SOP-16
PT2268	PTC		DIP/SOP-16
PT2249A	PTC		DIP/SOP-16