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MMBTA44
NPN Silicon Epitaxial Planar Transistor for high voltage switching and amplifier applications. The transistor is subdivided into one group according to its DC current gain. As complementary type the PNP transistor MMBTA94 is recommended. On special request, these transistors can be manufactured in different pin configurations.
SOT-23 Plastic Package
Absolute Maximum Ratings (Ta = 25 OC) Symbol Collector Base Voltage Collector Emitter Voltage Emitter Base Voltage Collector Current Power Dissipation Junction Temperature Storage Temperature Range VCBO VCEO VEBO IC Ptot Tj TS Value 500 400 6 300 200 150 -55 to +150 Unit V V V mA mW
O
C C
O
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
(R)
listed on the Hong Kong Stock Exchange, Stock Code: 724)
Dated : 20/10/2005
MMBTA44
Characteristics at Tamb=25 OC Symbol DC Current Gain at IC=1mA, VCE=10V at IC=10mA, VCE=10V at IC=30mA, VCE=10V Emitter Cutoff Current at VEB=4V Collector Cutoff Current at VCB=400V Collector Cutoff Current at VCE=400V Collector Base Breakdown Voltage at IC=100A Collector Emitter Breakdown Voltage at IC=1mA Emitter Base Breakdown Voltage at IE=100A Collector Saturation Voltage at IC=1mA, IB=0.1mA at IC=10mA, IB=1mA at IC=50mA, IB=5mA Base Saturation Voltage at IC=10mA, IB=1mA Collector Output Capacitance at VCB=20V, f=1MHz Cob 7 pF VBE(sat) 0.75 V VCE(sat) VCE(sat) VCE(sat) 0.4 0.5 0.75 V V V V(BR)EBO 6 V V(BR)CEO 400 V V(BR)CBO 500 V ICEO 0.5 A ICBO 0.1 A IEBO 0.1 A hFE hFE hFE 25 40 40 Min. Max. Unit
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
(R)
listed on the Hong Kong Stock Exchange, Stock Code: 724)
Dated : 20/10/2005

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Price & Availability of MMBTA44

Part #	Manufacturer	Description	Price	BuyNow Qty.
MMBTA44 637-MMBTA44	Diotec Semiconductor AG	Bipolar Transistors - BJT BJT, SOT-23, 400V, 500mA, NPN	1: USD0.25 10: USD0.168 100: USD0.096 500: USD0.082 1000: USD0.057 3000: USD0.055 9000: USD0.031 45000: USD0.029	4331
MMBTA44_R1_00001 241-MMBTA44_R1_00001	PanJit Semiconductor	Bipolar Transistors - BJT NPNHIGHVOLTAGETRANSISTOR VCE400V IC300mA SOT-23	1: USD0.17 10: USD0.115 100: USD0.06 1000: USD0.033 3000: USD0.028 9000: USD0.021 24000: USD0.02 45000: USD0.019 99000: USD0.016	11714
MMBTA44-G 750-MMBTA44-G	Comchip Technology Corporation Ltd	Bipolar Transistors - BJT NPN TRANSISTOR 200MA 400V	1: USD0.3 10: USD0.236 100: USD0.132 1000: USD0.093 3000: USD0.092	16167
MMBTA44A 637-MMBTA44A	Diotec Semiconductor AG	Bipolar Transistors - BJT BJT, SOT-23, 400V, 500mA, NPN	1: USD0.24 10: USD0.173 100: USD0.145 500: USD0.116 1000: USD0.101 3000: USD0.044 9000: USD0.035 24000: USD0.033 45000: USD0.03	2980
MMBTA44-TP 833-MMBTA44-TP	Micro Commercial Components	Bipolar Transistors - BJT 400Vceo 400Vcbo 6Vebo 100mA 350mW	1: USD0.43 10: USD0.304 100: USD0.126 1000: USD0.093 3000: USD0.074 9000: USD0.064 24000: USD0.06 45000: USD0.052 99000: USD0.051	3916

Part #	Manufacturer	Description	Price	BuyNow Qty.
MMBTA44	Diotec Semiconductor AG	Bipolar Transistor - SOT-23 - 400V - 500mA - NPN	501000: USD0.0208 252000: USD0.0211 150000: USD0.0217 102000: USD0.0228 51000: USD0.0232 27000: USD0.0246 9000: USD0.0258 3000: USD0.0332	0

Part #	Manufacturer	Description	Price	BuyNow Qty.
MMBTA44 81752502	HT JinYu Semiconductor	NPN Transistor	60000: USD0.0359 30000: USD0.0375 21000: USD0.0389 6000: USD0.0403	1938000
MMBTA44 78442405	Diotec Semiconductor AG	Trans GP BJT NPN 400V 0.3A 250mW 3-Pin SOT-23 T/R	12000: USD0.0322 3000: USD0.034 1860: USD0.0379	4480

Part #	Manufacturer	Description	Price	BuyNow Qty.
MMBTA44-RTK/P	KEC		2248: USD0.3115 450: USD0.356 1: USD0.89	2400

Part #	Manufacturer	Description	Price	BuyNow Qty.
MMBTA44-R1-00001 MMBTA44-R1-00001	PanJit Semiconductor	Bipolar Transistors - BJT SOT-23/TRA/SOT/HVT-03TN	3000: USD0.0344 6000: USD0.0325 9000: USD0.0277 30000: USD0.0256 75000: USD0.0222	60000

Part #	Manufacturer	Description	Price	BuyNow Qty.
MMBTA44 MMBTA44-DIO	Diotec Semiconductor AG	Transistor: NPN; bipolar; 400V; 0.3A; 250mW; SOT23	12000: USD0.0258 3000: USD0.0276 500: USD0.0308 100: USD0.0348 20: USD0.039	4480
MMBTA44 MMBTA44-YAN	Yangzhou Yangjie Electronics Co Ltd	Transistor: NPN; bipolar; 400V; 0.2A; 0.35W; SOT23	15000: USD0.0238 3000: USD0.0255 250: USD0.0282 100: USD0.0321 25: USD0.0357	750
MMBTA44A MMBTA44A-DIO	Diotec Semiconductor AG	Transistor: NPN; bipolar; 400V; 0.5A; 350mW; SOT23	12000: USD0.0288 3000: USD0.0309 500: USD0.0341 100: USD0.0387 20: USD0.0432	0
MMBTA44_R1_00001 MMBTA44-R1	PanJit Semiconductor	Transistor: NPN; bipolar; 400V; 0.3A; 0.225W; SOT23	9000: USD0.0335 3000: USD0.036 1000: USD0.0383 500: USD0.0419 250: USD0.0453 100: USD0.0502 10: USD0.0985 1: USD0.1299	1965

Part #	Manufacturer	Description	Price	BuyNow Qty.
MMBTA44_R2_00001	PanJit Semiconductor	NPNHIGHVOLTAGETRANSISTOR VCE400V IC300mA SOT-23		0
MMBTA44_R1_10001	PanJit Semiconductor	NPNHIGHVOLTAGETRANSISTOR VCE400V IC300mA SOT-23		0
MMBTA44-G	Comchip Technology Corporation Ltd	NPN TRANSISTOR 200MA 400V SOT-23	1: USD0.259 15000: USD0.1184 27000: USD0.1043	0
MMBTA44_R2_10001	PanJit Semiconductor	NPNHIGHVOLTAGETRANSISTOR VCE400V IC300mA SOT-23		0
MMBTA44_R1_00001	PanJit Semiconductor	NPNHIGHVOLTAGETRANSISTOR VCE400V IC300mA SOT-23	1500: USD0.02 3000: USD0.018	357713

Part #	Manufacturer	Description	Price	BuyNow Qty.
MMBTA44_ R2 _00001 MMBTA44_R2_00001	PanJit Semiconductor	SOT23-3/NPN HIGH VOLTAGE TRANSISTOR (Alt: MMBTA44_R2_00001)		24000
MMBTA44 _R1 _00001 MMBTA44_R1_00001	PanJit Semiconductor	SOT23-3/NPN HIGH VOLTAGE TRANSISTOR (Alt: MMBTA44_R1_00001)		0

Part #	Manufacturer	Description	Price	BuyNow Qty.
MMBTA44	HXY	350V 350mW 5010mA10V 200mA NPN SOT-23 Bipolar (BJT) ROHS	21000: USD0.0141 9000: USD0.015 3000: USD0.0166 600: USD0.0196 200: USD0.0226 20: USD0.0281	21932
MMBTA44	Guangdong Hottech Industrrial Co	400V 350mW 5010mA10V 200mA NPN SOT-23 Bipolar (BJT) ROHS	21000: USD0.0172 9000: USD0.0182 3000: USD0.0201 600: USD0.0234 200: USD0.0271 20: USD0.0336	16891

Part #	Manufacturer	Description	Price	BuyNow Qty.
MMBTA44_R2_00001	PanJit Group	TRANSISTOR DIS.300mA 400V NPN SOT23 GEN.SMT	12000: USD0.0499 10: USD0.06088	0
MMBTA44_R1_00001	PanJit Group	TRANSISTOR DIS.300mA 400V NPN SOT23 GEN.SMT	3000: USD0.0318 10: USD0.0388	1630

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