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Product Categories
SMD
CHIP C [35]
CHIP C0603 [192]
CHIP C0805 [247]
CHIP C1206 [145]
CHIP DIODE [94]
CHIP E [39]
CHIP L [30]
CHIP R0402 1 [19]
CHIP R0402 5 [22]
CHIP R0603 1 [186]
CHIP R0603 5 [129]
CHIP R0805 1 [324]
CHIP R0805 5 [155]
CHIP R1206 1 [209]
CHIP R1206 5 [118]
CHIP R1210 1 [4]
CHIP R1210 5 [34]
CHIP R1808 1 [3]
CHIP R1808 5 [14]
CHIP R1812 [2]
CHIP R1812 5 [5]
CHIP R1825 5 [7]
CHIP R2512 [14]
CHIP T [75]
CHIP ZENER [12]
CHIP ZENER 200 [21]
CHIP ZENER 400 [38]
CHIP ZENER 500 [77]
CHIP-T [6]
SMD ATMEL [22]
SMD CMOS 40 [90]
SMD CMOS 45 [18]
SMD CPU [102]
SMD EPROM [24]
SMD FET [5]
SMD FUSE [2]
SMD GAL [14]
SMD IC [210]
SMD IC AD [33]
SMD IC ADC [5]
SMD IC ADM [8]
SMD IC AM [3]
SMD IC AN [40]
SMD IC BA [76]
SMD IC BU [18]
SMD IC CA [2]
SMD IC CD [1]
SMD IC CS [5]
SMD IC CX [41]
SMD IC CXA [36]
SMD IC CXD [19]
SMD IC D [2]
SMD IC DG [3]
SMD IC DS [7]
SMD IC HA [20]
SMD IC ICL [11]
SMD IC KA [16]
SMD IC L [11]
SMD IC LA [41]
SMD IC LF [6]
SMD IC LM [78]
SMD IC LT [28]
SMD IC M [15]
SMD IC MAX [82]
SMD IC MC [74]
SMD IC NE [9]
SMD IC NEC [53]
SMD IC NJM [10]
SMD IC SN [7]
SMD IC TA [29]
SMD IC TC [10]
SMD IC TDA [50]
SMD IC TEA [6]
SMD IC TL [29]
SMD IC TMS [7]
SMD MEMORY [48]
SMD OPTO [44]
SMD RAM [89]
SMD REGULATOR [12]
SMD RNET [23]
SMD TR [35]
SMD TR 2N [30]
SMD TR 2SA [48]
SMD TR 2SB [13]
SMD TR 2SC [59]
SMD TR 2SD [21]
SMD TR 2SK [17]
SMD TR 3SK [7]
SMD TR BC [44]
SMD TR BF [23]
SMD TR BS [11]
SMD TR DT [36]
SMD TR MPS [10]
SMD TTL [34]
SMD TTL 74 [15]
SMD TTL 74AC [27]
SMD TTL 74ACT [21]
SMD TTL 74ACTQ [6]
SMD TTL 74ALS [31]
SMD TTL 74AS [7]
SMD TTL 74F [70]
SMD TTL 74HC [194]
SMD TTL 74HCT [97]
SMD TTL 74LS [97]
SMD TTL 74LV [27]
SMD X TAL [28]
Cmos IC
CMOS 40 [355]
CMOS 45 [149]
TTL IC
TTL 54 [46]
TTL 54LS [91]
TTL 74 [259]
TTL 74AC [91]
TTL 74ACT [62]
TTL 74ACTQ [4]
TTL 74ALS [220]
TTL 74AS [63]
TTL 74C [67]
TTL 74F [272]
TTL 74H [11]
TTL 74HC [487]
TTL 74HCT [267]
TTL 74LS [625]
TTL 74LV [3]
TTL 74S [233]
CPU IC
CPU 62 [13]
CPU 63 [9]
CPU 65 [22]
CPU 68 [130]
CPU 80 [47]
CPU 80C [41]
CPU 82 [105]
CPU 82C [46]
CPU 83 [8]
CPU 84 [14]
CPU 86 [1]
CPU 87 [14]
CPU 87C [13]
CPU 89C [23]
Z80 [15]
Z80A [19]
Z80B [12]
Memory IC
MEM 28 [15]
MEM 28F [8]
MEM 29F [10]
MEM 93 [27]
MEMORY [22]
RAM [13]
RAM 128K [1]
RAM 16 [27]
RAM 1M [7]
RAM 256 [32]
RAM 64 [43]
Eprom EEprom Flash
EPROM [34]
EPROM 1M [8]
EPROM 256 [13]
EPROM 2M [9]
EPROM 4M [13]
EPROM 512 [10]
GAL [72]
Opto IC
OPTO [59]
OPTO 4N [39]
OPTO 6N [13]
OPTO CNY [29]
OPTO H [11]
OPTO H11 [58]
OPTO HCPL [34]
OPTO HP [10]
OPTO MCT [13]
OPTO MOC [70]
OPTO N8T [13]
OPTO PC [49]
OPTO PS [21]
OPTO TIL [19]
OPTO TLP [62]
Regulator IC
REG 78 [89]
REG 78L [34]
REG 78M [25]
REG 79 [42]
REG 79L [22]
REG 79M [13]
General IC
IC [402]
IC 26 [15]
IC 75ALS [12]
IC 82S [17]
IC AD [237]
IC ADC [30]
IC ADM [16]
IC ADS [5]
IC AH [2]
IC ALC [12]
IC AM [36]
IC AMP [2]
IC AN [376]
IC ATI [34]
IC BA [282]
IC BCM [12]
IC BU [28]
IC C [1]
IC CA [193]
IC CD [24]
IC CDP [19]
IC CN [8]
IC CS [23]
IC CX [114]
IC CXA [49]
IC D [18]
IC DAC [27]
IC DBL [28]
IC DG [74]
IC DM [17]
IC DRIVE [7]
IC DS [34]
IC EL [8]
IC FA [11]
IC FDS [8]
IC FT [5]
IC FZ [5]
IC GM [6]
IC HA [179]
IC HCNR [1]
IC HD [61]
IC HI [9]
IC HM [29]
IC HP [2]
IC HPC [2]
IC HT [8]
IC HY [15]
IC ICL [73]
IC ICM [42]
IC IDT [5]
IC IH [12]
IC INA [7]
IC IP [4]
IC IR [59]
IC ISD [10]
IC ISL [18]
IC IT [14]
IC JL [1]
IC JM [15]
IC KA [140]
IC KB [5]
IC KC [3]
IC KF [3]
IC KIA [50]
IC KS [8]
IC L [143]
IC LA [314]
IC LB [27]
IC LC [62]
IC LD [8]
IC LE [12]
IC LF [41]
IC LH [29]
IC LM [484]
IC LPC [5]
IC LR [7]
IC LS [19]
IC LSC [7]
IC LT [49]
IC M [329]
IC M48 [20]
IC MA [12]
IC MAX [262]
IC MB [73]
IC MC [418]
IC MC10 [95]
IC MCM [14]
IC MEGA [2]
IC MF [6]
IC MH [9]
IC MIC [13]
IC MK [16]
IC MM [44]
IC MN [2]
IC MP [18]
IC MUX [2]
IC NA [16]
IC ND [1]
IC NE [59]
IC NF [9]
IC NG [2]
IC NH [13]
IC NJM [43]
IC OP [125]
IC OPA [17]
IC P [4]
IC PA [9]
IC PB [6]
IC PC [4]
IC PCF [7]
IC PCI [6]
IC PIC [62]
IC PM [39]
IC PQ [8]
IC PS [4]
IC PT [14]
IC QG [9]
IC RC [14]
IC REF [17]
IC RG [4]
IC RTL [19]
IC SA [7]
IC SAA [17]
IC SB [5]
IC SC [12]
IC SD [6]
IC SG [24]
IC SHM [2]
IC SI [23]
IC SIS [12]
IC SLA [9]
IC SM [9]
IC SMD [4]
IC SN [128]
IC SP [10]
IC SSM [10]
IC SST [6]
IC ST [5]
IC STA [7]
IC STI [2]
IC STK [189]
IC STR [110]
IC STRD [17]
IC STRM [13]
IC STRS [20]
IC STRZ [1]
IC STV [7]
IC SW [8]
IC T [3]
IC TA [342]
IC TBA [19]
IC TC [65]
IC TCA [8]
IC TD [30]
IC TDA [549]
IC TDE [8]
IC TEA [78]
IC TL [137]
IC TMP [17]
IC TMS [24]
IC TS [8]
IC UA [70]
IC UC [52]
IC UCC [11]
IC UCN [8]
IC UDN [16]
IC ULN [44]
IC UM [7]
IC UMC [17]
IC UPA [25]
IC UPB [11]
IC UPC [211]
IC UPD [93]
IC UTC [13]
IC W [23]
IC X1400 [2]
IC XC [12]
IC XR [21]
Special IC
ATMEL 24C [39]
DALLAS IC [39]
IC TELECOM [63]
MATSUSHITA IC [31]
MOTOROLA IC [26]
NS IC [49]
PHILLIPS IC [13]
SIEMENS IC [4]
SIGNETIC IC [9]
TFK IC [12]
THOMSON IC [14]
TOSHIBA IC [5]
Transistors
TR [286]
TR 2N [1183]
TR 2SA [559]
TR 2SB [515]
TR 2SC [1590]
TR 2SD [1180]
TR 2SH [3]
TR 2SJ [57]
TR 2SK [466]
TR 3DD [15]
TR 3N [4]
TR 3SK [7]
TR 90 [31]
TR BC [254]
TR BCW [18]
TR BCX [12]
TR BCY [16]
TR BD [348]
TR BDT [13]
TR BDW [67]
TR BDX [72]
TR BDY [11]
TR BF [133]
TR BFY [11]
TR BS [38]
TR BU [263]
TR BUH [18]
TR BUJ [3]
TR BUL [16]
TR BUT [28]
TR BUV [50]
TR BUW [49]
TR BUX [70]
TR BUY [31]
TR CL [20]
TR CX [4]
TR D [54]
TR DT [54]
TR ED [11]
TR IRF [0]
TR IRFD [17]
TR IRFP [9]
TR IRFR [0]
TR IRFZ [0]
TR IRK [0]
TR IRL [0]
TR MH [13]
TR MJ [138]
TR MJE [168]
TR MJF [14]
TR MJW [1]
TR MPS [159]
TR MPSA [50]
TR MPSD [11]
TR MPSU [9]
TR MRF [31]
TR PMD [14]
TR PN [54]
TR RN [11]
TR TIP [231]
TR VN [15]
Diode
BRIDGE [211]
DIODE [511]
DIODE MR [23]
DIODE MUR [19]
DIODE P6K [15]
Z10W [7]
Z50W [7]
Z5W [42]
ZD [7]
ZD1 2W [123]
ZD1W [84]
ZD200 [1]
ZENER [8]
ZENER400 [53]
Power Modules
1DI [61]
1MB [40]
2DI [58]
2MBI [75]
2RI [23]
6DI [42]
6MBI [40]
6MBP [27]
6RI [30]
7MB [36]
DI MODULE [33]
DUJI MODULE [0]
FUJI DIODE [33]
IGBT [96]
MODULE [131]
SCR MODULE [5]
Capacitors
BI POLAR [14]
CAP AC [27]
CAP C [261]
CAP E [927]
CAP META [112]
CAP MKT [105]
CAP MONO [98]
CAP MYLAR [215]
CAP POLY [120]
CAP POP [11]
CAP TAN [139]
CONDENSER [14]
POLYSTYRENE [17]
STAR CAP [7]
TRIMMER [31]
VARICAP [21]
Fet SCR Triac
FET [444]
FET BUK [51]
FET BUZ [44]
FET IRF [48]
SCR [143]
THYRISTOR [20]
TRIAC [329]
Fuses
CERAMIC FAST 5X20 [55]
CERAMIC FAST 6X30 [94]
CERAMIC FILTER [46]
CERAMIC TIME 5X20 [42]
FILTER [94]
FUSE [327]
FUSE 1 4X1 [30]
FUSE 1 4X5 8 [20]
FUSE 1 4x7 8 [16]
FUSE 13 32X1 1 2 [151]
FUSE 5X13 16 [52]
FUSE BLOCK [15]
FUSE CLIP [11]
GLASS DELAY 6X30 [96]
GLASS FAST 5X20 [119]
GLASS FAST 6X30 [134]
GLASS TIME 5X20 [79]
HOLDER [85]
JJN [11]
JJS [12]
KAB [8]
MICRO FUSE [34]
NON [42]
NOS [36]
PCC [8]
REN [18]
RES [18]
SC [18]
SEMICONDUCTOR FUSE [84]
TDC180 [6]
TEST CLIP [9]
THERMAL FUSE [16]
THERMISTER [8]
Led 7-Segment
7SEGMENT [94]
DOT MATRIX [301]
LCD [30]
LDR [7]
LED [444]
LED HOLDER [25]
LED SMD [8]
LED2X5 [12]
LED3 [34]
LED5 [38]
Crystal Oscillator
OSCILLATOR [93]
X TAL [293]
Resistors
R FUSE 1 2W [15]
R FUSE 1 4W [16]
R FUSE 1W [11]
R NET [13]
R NET10P5R [18]
R NET10P9R [36]
R NET11P10R [7]
R NET12P11R [3]
R NET13P12R [4]
R NET5P4R [35]
R NET6P3R [16]
R NET6P5R [31]
R NET7P6R [25]
R NET8P4R [27]
R NET8P7R [36]
R NET9P8R [45]
R1 2W1 [302]
R1 2W5 [196]
R1 4W1 [677]
R1 4W5 [194]
R1 8W1 [99]
R1 8W5 [191]
R10W5 [107]
R1W5 [175]
R2.5W [3]
R20W5 [60]
R2W5 [140]
R3W5 [81]
R5W5 [203]
R7W5 [48]
RESISTOR [9]
Variable Resistors
VOLUME [53]
VR FBR061 [13]
VR FBR062 [13]
VR FBR063 [13]
VR FBR065 [14]
VR FBR066 [13]
VR FBR081 [13]
VR FBR083 [14]
VR FBR085 [16]
VR FBR102 [12]
VR FBR104 [14]
VR FBR107 [21]
VR FBR108 [13]
VR WH06 [49]
VR WH08 [120]
WH148A1 [12]
WH148A2 [17]
WH148A3 [13]
WH148B1 [12]
WH148B2 [12]
WH148B3 [12]
Trimpots
TRIMPOT 3006 [43]
TRIMPOT 3266 [33]
TRIMPOT 3296 [128]
TRIMPOT 3299 [22]
TRIMPOT 3306 [27]
TRIMPOT 3309 [30]
TRIMPOT 3319 [16]
TRIMPOT 3323 [97]
TRIMPOT 3329 [45]
TRIMPOT 3362 [32]
TRIMPOT 3386 [123]
Other Accessories
ANTENNA [23]
ASSORTED [60]
BATTERY [83]
BATTERY HOLDER [10]
BOOK [24]
BOX HEADER [22]
BULB [25]
BUSHING [19]
BUZZER [70]
CABLE [59]
CABLE CLAMP [12]
CABLE TIE [35]
CLIP [34]
COIL [15]
CONNECTOR [218]
D SUB [47]
DESOLDERING [12]
ENCLOSER [64]
FAN [19]
FLYBACK [67]
HEAT SINK [17]
IDC SOCKET [11]
INDUCTOR [77]
J RCA [35]
JACK [121]
JACK TEL [58]
JUMP WIRE [29]
KIT [25]
KNOB [9]
LAMP [10]
LEAD WIRE [20]
METER [47]
MIC [33]
MICA [4]
MICRO SWITCH [35]
MINI JACK [11]
MONO [14]
PCB [43]
PCB HEADER STRAIGHT [10]
PICTURE [78]
PIN HEADER [39]
PLIERE [25]
PLUG [125]
POT [10]
PUSH SWITCH [73]
PVC TUBE [109]
RCA [95]
RELAY [186]
RJ45 [10]
SCREW [1]
SCREW DRIVER [55]
SENSOR [7]
SHRINK TUBE [2]
SLIDE SWITCH [64]
SOCKET [45]
SOCKET DIP [17]
SOCKET PGA [16]
SOCKET PLCC [17]
SOCKET ROUND [22]
SOCKET SIL [13]
SOCKET W W [23]
SOLAR CELL [7]
SOLDERING [28]
SOLID STATE [10]
SPEAKER [9]
SPIRAL BAND [5]
SPRAYS [39]
SUPPLY [311]
SW DIP [20]
SWITCH [93]
SWITCH LAMP [47]
TACT SWITCH [41]
TAPE [20]
TERMINAL [809]
TEXTOOL [22]
TOGGLE SWITCH [18]
TOOLS [100]
TRANSFORMER [102]
TV JACK [13]
W C COLOR [16]
WIRE [20]
WIRE CABLE [28]
WIRE WRAP [46]
Z TRAP [175]
WesTech product list
Diode Bridge
Ceramic Capacitor
MODULE
Resistor
Capacitors
Connectors
Crystals
Diodes
Fuses
Inductors
Led
Power Modules
Power Supply
Resistors
Scr Triac
SMD parts
Tools and Miscelleneous
cpu
IC list 1-6
IC list 2-6
IC list 3-6
IC list 4-6
IC list 5-6
IC list 6-6
Transistor list 1_4
Transistor list 2_4
Transistor list 3_4
Transistor list 4_4
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Sort
Part No.
Description
Brand
Case
Volt
Amp
Qty
Price US$
Price(1) B$
Price(10) B$
Price(500) B$
74LS257
495-53200-1
IC 74LS257P
HIT/ST
DIP-16
404
0.1964
7.04
6.40
5.85
Page : [
1
]
Product Categories
SMD