 SMD-  
Identification of SMD-components on marks



SMD   ,           .           -    .   SMD-         ,        .        . 
  

   SMD ,   ,   .       -         .          . 

         ""    . 

 ,      . ,  1A   BC846A  FMMT3904.             .          . 

          .   Philips       "p", "t"   "-",   Siemens -   "s". 

,      SOT23 - 1Ap,     1A.        :
					/ 
1A	BC846A	Phi ITT Mot	SOT23	T1a	SI-N BC546A
1A	BC846AW	Motorola	SOT323	T1a	SI-N BC546A
1A	FMMT3904	Zetex	SOT23	T1a	SI-N 2N3904
1A	SXT3904	Infineon	SOT89	T3a	SI-N 40V 200mA 2N3904
1A	MMBT3904	Motorola	SOT23	T1a	SI-N 2N3904
1A	IRLML2402	IR	SOT23	T1c	n-ch mosfet 20V 0.9A



   p    -  Philips          BC846A. 

   Rohm,      R  G,    ,    . ,  RA1    A1   BAW56,   G6B    6B   BC817-25.           (     "*"),     hfe     .
Code	hfe	Code	hfe	Code	hfe	Code	hfe	Code	hfe
A	16-32	B	25-50	D	60-120	E	100-200	F	160-320
M	39-82	N	56-120	P	82-180	Q	120-270	R	180-390
S	270-560	T	390-820	U	560-1200	V	820-1800	W	1200-2700
X	1800-3900	Y	2700-5600	
	
     Motorola        SAC,     . 

        . ,  1   SOT23    BC848B (250mW),   1   SOT323    BC848BW (,  200mW). 

 L       ,  SOT323  SC70. 

        R   . , 67 -   BFP67   SOT143,  67R -        BFP67R   SOT143R. 
   

  ,      SMD-      .     ,     ,        .          ,       . 

 ,   ,       ""    . 

   ,      . , ,    -    ,    -  .   ,   ,   ,   . 

, ,   SI-N 20V 0. 1A 1W -  NPN    Vce=20V,    100mA    1W. 

     .      ,    .     ,      ,   -    .

    
amp	amplifier	 	atten	attenuator
a	anode	b	base
c 	cathode	ca	common anode
cc	common cathode	comp	complement
d	drain	dg	dual gate
enh	enhancement (mode - FETs)	fet	field effect transistor
fT	transition frequency	GaAsfet	Gallium Arsenide field effect transistor
g	gate	gnd	ground
gp	general purpose	hfe	small signal current gain
i/p	input	Id	drain current
Ig	gate current 	Ir	reverse leakage current (diodes)
jfet	junction field effect transistor	max	maximum
min	minimum	mosfet	metal oxide insulated gate fet
n-ch	n-channel fet (any type)	npn	npn bipolar transistor
o/p	output	p-ch	p-channel fet (any type)
pin	pin diode	pkg	package
pnp	pnp bipolar transistor	prot	protection, protected (as in mosfet gate)
res	resistor	s	source
ser	series	Si	silicon
SI-N	npn transistor	SI-P	pnp transistor
substr	substrate	sw	switch or switching
Vce	collector - emitter voltage (maximum)	Vcc	collector supply voltage
  -
DalSemi	Dallas Semiconductor	 	Fairchild	Fairchild Semiconductor
GenSemi	General Semiconductor	HP	Hewlett-Packard
ITT	ITT Semiconductors	Maxim	Maxim
Motorola	Motorola	NatSemi	National Semiconductor
Philips	Philips Semiconductors	Rohm	Rohm Co., Ltd
STM	STMicroelectronics (SGS-Thompson)	Infineon	Infineon Technologies (Siemens)
Siliconix	Siliconix (Vishay-Silliconix)	Temic	Temic Semiconductors
Telefunken	Telefunken (Vishay-Telefunken)	TI	Texas Instruments
Toko	Toko Inc.	Zetex	Zetex Semiconductors