2SC3837KT146P ROHM
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1/3 www.rohm.com ○c 2009 ROHM Co., Ltd. All rights reserved. 2009.12 - Rev.C High-Frequency Amplifier Transistor (20V, 50mA, 1.5GHz) 2SC5661 / 2SC4725 / 2SC4082 / 2SC3837K Features 1) High transition frequency. (Typ. fT = 1.5GHz) 2) Small rbb’Cc and high gain. (Typ. 6ps) 3) Small NF. Packaging specifications and h FE Type 2SC4725 EMT3 NP AC∗ TL 3000 2SC5661 VMT3 NP AC∗ T2L 8000 2SC4082 UMT3 NP 1C∗ T106 3000 2SC3837K SMT3 NP AC∗ T146 3000 ∗ Denotes hFE Package hFE Marking Code Basic ordering unit (pieces) Absolute maximum ratings (Ta=25C) Parameter Symbol VCBO VCEO VEBO IC PC Tj Tstg Limits 0.2 150 −55 to +150 Unit V V V mA 0.15 2SC4082, 2SC3837K 2SC5661, 2SC4725 W Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Collector power dissipation Junction temperature Storage temperature Dimensions (Unit : mm) (2) (1) 2.8 1.6 0.4 (3) 2.9 1.9 0.95 0.95 0.8 0.15 0.3Min. 1.1 (2) Base (3) Collector (1) Emitter (3) Collector (1) Emitter (2) Base (3) Collector (1) Emitter (2) Base Each lead has same dimensions Each lead has same dimensions 2SC4725 2SC4082 2SC3837K 2SC5661 ROHM : VMT3 ROHM : EMT3 EIAJ : SC-75A ROHM : UMT3 EIAJ : SC-70 ROHM : SMT3 EIAJ : SC-59 (1) Base (2) Emitter (3) Collector Electrical characteristics (Ta=25C) Parameter Symbol Min. Typ. Max. Unit Conditions BVCBO BVCEO BVEBO ICBO IEBO hFE fT Cob rbb'·Cc NF 600 1500 0.9 0.5 0.5 180 1.5 V V V μA μA MHz pF I C = 10μA IC = 1mA IE = 10μA VCB = 15V VEB = 2V VCE(sat) −− 0.5 V I C/IB = 20mA/4mA VCE/IC = 10V/10mA VCE = 10V , IE = −10mA , f = 200MHz VCB = 10V , IE = 0A , f = 1MHz VCB = 10V , IC = 10mA , f = 31.8MHz VCE = 12V , IC = 2mA , f = 200MHz , Rg = 50Ω − 61 3 p s − 4.5 − dB Collector-base breakdown voltage Collector-emitter breakdown voltage Emitter-base breakdown voltage Collector cutoff current Emitter cutoff current DC current transfer ratio Transition frequency Output capacitance Collector-emitter saturation voltage Collector-base time constant Noise factor This product might cause chip aging and breakdown under the large electrified environment. Please consider to design ESD protection circuit.
2/3 www.rohm.com ○c 2009 ROHM Co., Ltd. All rights reserved. 2009.12 - Rev.C Data Sheet 2SC5661 / 2SC4725 / 2SC4082 / 2SC3837K Electrical characteristic curves 0.1 0.2 0.5 1 2 5 10 20 50 COLLECTOR CURRENT : IC (mA) Fig.1 DC current gain vs. collector currentDC CURRENT TRANSFER RATIO :hFE 100 200
500 Ta=25°C
VCE=10V 0.1 0.2 0.5 1 2 5 10 20 5 0 COLLECTOR CURRENT : IC (mA) Fig.2 Collector-emitter saturation voltage vs. collector currentCOLLECTOR SATURATION VOLTAGE :VCE(sat) (mV) 100 200 IC/IB=5 0.1 0.2 0.5 1 2 5 10 20 50 0.1 COLLECTOR TO BASE VOLTAGE : VCB (V) Fig.3 Capacitance vs. reverse bias voltageOUTPUT CAPACITANCE :CoB (pF) FEEDBACK CAPACITANCE :Cre (pF) 1.0 0.2 0.5 2.0
5.0 Ta=25°C
f=1MHz IE=0A Cob Cre 100 EMITTER CURRENT : IE (mA) Fig.4 Gain bandwidth product vs. emitter current TRANSITION FREQUENCY : fT (MHz) 1000 200 500 2000
5000 Ta=25°C
VCE=10V 0.1 0.2 0.5 1 2 5 10 20 5 0 COLLECTOR CURRENT : IC (mA) Fig.5 Collector to base time constance vs. collector current COLLECTOR TO BASE TIME CONSTANT : Cc rbb' (ps) Ta=25°C VCE=10V f=31.8MHz 0.1 0.2 0.5 1 2 5 1 0 FREQUENCY : f (GHz) Fig.6 Insertion gain vs. frequency INSERTION GAIN : IS21el (dB) Ta=25°C VCE=10V IC=10mA COLLECTOR CURRENT : Ic (mA) Fig.7 Insertion gain vs. collector current INSERTION GAIN : IS21el (dB) 0.5 1 2 5 10 20 50
25 Ta=25°C
VCE=12V f=200MHz 02 4 6 8 1 0 1 2 COLLECTOR TO EMITTER VOLTAGE : VCE (V) Fig.8 Insertion gain vs. collector voltageINSERTION GAIN : IS21el (dB)
30 Ta=25°C
IC=2mA f=200MHz 0.1 0.2 0.5 1 2 5 10 20 5 0 COLLECTOR CURRENT : IC (mA) Fig.9 Noise factor vs. collector current NOISE FIGURE : NF(dB) Ta=25°C VCE=12V f=200MHz
3/3 www.rohm.com ○c 2009 ROHM Co., Ltd. All rights reserved. 2009.12 - Rev.C Data Sheet 2SC5661 / 2SC4725 / 2SC4082 / 2SC3837K 02 468 1 0 1 2 COLLECTOR TO EMITTER VOLTAGE : VCE (V) Fig.10 Noise factor vs. collector voltageNOISE FIGURE : NF(dB) IC=2mA f=200MHz
R0039Awww.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. Notice ROHM Customer Support System http://www.rohm.com/contact/ Thank you for your accessing to ROHM product informations. More detail product informations and catalogs are available, please contact us. Notes N o c o p y i n g o r r e p r o d u c t i o n o f t h i s d o c u m e n t , i n p a rt o r i n w h o l e , i s p e r m i t t e d w i t h o u t t h e consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose of introducing ROHM's products (hereinafter "Products"). If you wish to use any such Product, please be sure to refer to the specifications, which can be obtained from ROHM upon request. Examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the Products. The peripheral conditions must be taken into account when designing circuits for mass production. Great care was taken in ensuring the accuracy of the information specified in this document. However, should you incur any damage arising from any inaccuracy or misprint of such information, ROHM shall bear no responsibility for such damage. The technical information specified herein is intended only to show the typical functions of and examples of application circuits for the Products. ROHM does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by ROHM and other parties. ROHM shall bear no responsibility whatsoever for any dispute arising from the use of such technical information. The Products specified in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, office-automation equipment, commu- nication devices, electronic appliances and amusement devices). The Products specified in this document are not designed to be radiation tolerant. While ROHM always makes efforts to enhance the quality and reliability of its Products, a Product may fail or malfunction for a variety of reasons. Please be sure to implement in your equipment using the Products safety measures to guard against the possibility of physical injury, fire or any other damage caused in the event of the failure of any Product, such as derating, redundancy, fire control and fail-safe designs. ROHM shall bear no responsibility whatsoever for your use of any Product outside of the prescribed scope or not in accordance with the instruction manual. T h e P r o d u c t s a r e n o t d e s i g n e d o r m a n u f a c t u r e d t o b e u s e d w i t h a n y e q u i p m e n t , d e v i c e o r system which requires an extremely high level of reliability the failure or malfunction of which may result in a direct threat to human life or create a risk of human injury (such as a medical instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuel-controller or other safety device). ROHM shall bear no responsibility in any way for use of any of the Products for the above special purposes. If a Product is intended to be used for any such special purpose, please contact a ROHM sales representative before purchasing. If you intend to export or ship overseas any Product or technology specified herein that may be controlled under the Foreign Exchange and the Foreign Trade Law, you will be required to obtain a license or permit under the Law.
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