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IC/电子元器件

74F521品牌、价格、PDF参数

newark • ecia (neda) member • authorized distributor
元器件型号 厂商 描述 newark # 数量 价格
sn74f521dwe4 texas instruments ic, 8ch identity comparator, soic-20, each 37k2524 0
1-24 : $.72
25-99 : $.558
100-249 : $.486
250-499 : $.423
500-999 : $.36
1000-2499 : $.288
2500-4999 : $.261
5000 or more : $.243
see more
sn74f521dw texas instruments ic, 8ch identity comparator, soic-20, each 52f2362 0
1-24 : $.72
25-99 : $.558
100-249 : $.486
250-499 : $.423
500-999 : $.36
1000-2499 : $.288
2500-4999 : $.261
5000 or more : $.243
see more
sn74f521n texas instruments ic, 8ch identity comparator, dip-20, each 67k1075 903
1-24 : $.72
25-99 : $.558
100-249 : $.486
250-499 : $.423
500-999 : $.36
1000-2499 : $.288
2500-4999 : $.261
5000 or more : $.243
see more
sn74f521dwr texas instruments ic, 8ch identity comparator, soic-20, tape on reel of 1 76c3252 0
1 + : $.225
sn74f521dwre4 texas instruments ic, 8ch identity comparator, soic-20, tape on reel of 1 37k2525 0
1 + : $.225
sn74f521nsre4 texas instruments ic, 8ch identity comparator, soic-20, tape on reel of 1 37k2527 0
1 + : $.225
sn74f521nsr texas instruments ic, 8ch identity comparator, soic-20, tape on reel of 1 76c3253 0
1 + : $.225
sn74f521nsrg4 texas instruments ic, 8ch identity comparator, soic-20, tape on reel of 1 46m7848 0
1 + : $.225
sn74f521dwrg4 texas instruments ic, 8ch identity comparator, soic-20, tape on reel of 1 46m0463 0
1 + : $.225
sn74f521dwg4 texas instruments ic, 8ch identity comparator, soic-20, each 46m0462 0
1-24 : $.72
25-99 : $.558
100-249 : $.486
250-499 : $.423
500-999 : $.36
1000-2499 : $.288
2500-4999 : $.261
5000 or more : $.243
see more
sn74f521ne4 texas instruments ic, 8ch identity comparator, dip-20, each 37k2526 0
1-24 : $.72
25-99 : $.558
100-249 : $.486
250-499 : $.423
500-999 : $.36
1000-2499 : $.288
2500-4999 : $.261
5000 or more : $.243
see more
farnell • ecia (neda) member • authorized distributor
元器件型号 厂商 描述 farnell # 数量 asia 数量 europe 价格 (gbp)
74f521pc fairchild semiconductor 74f fast ttl, 74f521, dip20, 5.5v 1013898 23 57
1 : £2.0
10 : £1.36
100 : £0.98
500 : £0.72
sn74f521dw texas instruments logic, 8-bit id comparator, 20soic 1752936 140 2
1 : £0.45
10 : £0.35
100 : £0.28
sn74f521n texas instruments logic, comparator id 8bit, 20dip 1740264 1763 170
1 : £0.49
10 : £0.41
100 : £0.31
sn74f521n.. texas instruments ic, 8ch identity comparator, dip-20 1368319 903 903
1 : £0.362
digi-key • ecia (neda) member • authorized distributor
元器件型号 厂商 描述 digi-key # 数量 价格
74f521msa fairchild semiconductor ic comparator identity 8b 20ssop 74f521msa-nd 0
660 : $0.6743
74f521msax fairchild semiconductor ic comparator identity 8b 20ssop 74f521msax-nd 0
2000 : $0.497
74f521pc fairchild semiconductor ic comparator identity 8b 20dip 74f521pc-nd 0
900 : $0.4585
74f521sc fairchild semiconductor ic comparator identity 8b 20soic 74f521sc-nd 0
1080 : $0.2907
74f521scx fairchild semiconductor ic comparator identity 8b 20soic 74f521scx-nd 0
2000 : $0.263
74f521sj fairchild semiconductor ic comparator identity 8b 20sop 74f521sj-nd 0
836 : $0.4358
74f521sjx fairchild semiconductor ic comparator identity 8b 20sop 74f521sjx-nd 0
2000 : $0.362
n74f521d,602 nxp semiconductors ic comparator identity 8b 20soic n74f521d,602-nd 0
1520 : $0.3458
n74f521d,623 nxp semiconductors ic comparator identity 8b 20soic n74f521d,623-nd 0
2000 : $0.3458
n74f521n,602 nxp semiconductors ic comparator identity 8b 20dip n74f521n,602-nd 0
1440 : $0.3458
sn74f521dw texas instruments ic comparator identity 8b 20soic 296-3592-5-nd 0
1400 : $0.288
sn74f521dwe4 texas instruments ic comparator identity 8b 20soic sn74f521dwe4-nd 0
1400 : $0.288
sn74f521dwg4 texas instruments ic comparator identity 8b 20soic sn74f521dwg4-nd 0
1400 : $0.288
sn74f521dwr texas instruments ic comparator identity 8b 20soic 296-14819-1-nd 3385
cut tape
1 : $0.79
25 : $0.612
100 : $0.54
250 : $0.468
500 : $0.396
1000 : $0.315
see more
sn74f521dwr texas instruments ic comparator identity 8b 20soic 296-14819-6-nd 3385
digi-reel®
1 : $0.79
25 : $0.612
100 : $0.54
250 : $0.468
500 : $0.396
1000 : $0.315
see more
sn74f521dwr texas instruments ic comparator identity 8b 20soic 296-14819-2-nd 0
2000 : $0.261
6000 : $0.243
10000 : $0.234
26000 : $0.225
sn74f521dwre4 texas instruments ic comparator identity 8b 20soic sn74f521dwre4-nd 0
2000 : $0.261
sn74f521dwrg4 texas instruments ic comparator identity 8b 20soic sn74f521dwrg4-nd 0
2000 : $0.261
sn74f521n texas instruments ic comparator identity 8b 20dip sn74f521n-nd 0
1400 : $0.288
sn74f521ne4 texas instruments ic comparator identity 8b 20dip sn74f521ne4-nd 0
1400 : $0.288
sn74f521nsr texas instruments ic comparator identity 8b 20sop sn74f521nsr-nd 0
2000 : $0.261
sn74f521nsre4 texas instruments ic comparator identity 8b 20sop sn74f521nsre4-nd 0
2000 : $0.261
sn74f521nsrg4 texas instruments ic comparator identity 8b 20sop sn74f521nsrg4-nd 0
2000 : $0.261
element14 - asia pacific • authorized distributor
元器件型号 厂商 描述 封装14 # 数量 asia 价格 (usd)
74f521pc fairchild semiconductor 74f fast ttl, 74f521, dip20, 5.5v 1013898 80
1 : $1.43
25 : $1.14
sn74f521n texas instruments logic, comparator id 8bit, 20dip 1740264 951
1 : $0.38
10 : $0.34
sn74f521dw texas instruments logic, 8-bit id comparator, 20soic 1752936 42
1 : $0.65
10 : $0.53
mouser electronics • ecia (neda) member • authorized distributor
mouser electronics product detail pricing availability
mfr. part #: 74f521sj
mfr.: fairchild semiconductor
description: comparator ics 8-bit identity comp
rohs: yes
mouser part #: 512-74f521sj
1:  $1.08
25:  $0.90
100:  $0.72
250:  $0.54
500:  $0.51
19
in stock
mfr. part #: 74f521sc
mfr.: fairchild semiconductor
description: comparator ics 8-bit identity comp
rohs: yes
mouser part #: 512-74f521sc
1:  $0.73
25:  $0.563
100:  $0.49
250:  $0.427
500:  $0.418
961
in stock
mfr. part #: sn74f521dwr
mfr.: texas instruments
description: comparator ics octal binary/bcd idy comparators w/enable
rohs: yes
mouser part #: 595-sn74f521dwr
1:  $0.72
25:  $0.55
100:  $0.533
250:  $0.418
500:  $0.355
3,317
in stock
mfr. part #: sn74f521n
mfr.: texas instruments
description: comparator ics octal binary/bcd idy comparators w/enable
rohs: yes
mouser part #: 595-sn74f521n
1:  $0.72
25:  $0.55
100:  $0.484
250:  $0.418
500:  $0.355
92
in stock
mfr. part #: sn74f521dw
mfr.: texas instruments
description: comparator ics octal binary/bcd
rohs: yes
mouser part #: 595-sn74f521dw
1:  $0.72
25:  $0.55
100:  $0.484
250:  $0.418
500:  $0.355
1,365
in stock
avnet express • ecia (neda) member • authorized distributor
元器件型号 厂商 描述 avnet # 数量 价格
mc74f521ml1 rochester electronics - bulk mc74f521ml1 1 wks factory lead time
893 : $0.40
mc74f521m rochester electronics - bulk mc74f521m 1 wks factory lead time
893 : $0.40
mc74f521n rochester electronics - bulk mc74f521n 1 wks factory lead time
1042 : $0.3429
mc74f521dwr2 rochester electronics - bulk mc74f521dwr2 1 wks factory lead time
807 : $0.4429
mc74f521dw rochester electronics - bulk mc74f521dw 26 wks factory lead time
893 : $0.40
sn74f521dwr rochester electronics - bulk sn74f521dwr 1 wks factory lead time
863 : $0.4143
74f521pc rochester electronics - bulk 74f521pc 1 wks factory lead time
317 : $1.13
sn74f521dw rochester electronics - bulk sn74f521dw 1 wks factory lead time
863 : $0.4143
74f521sj rochester electronics quad 2 input nand gate (s.o.) - bulk 74f521sj 1 wks factory lead time
695 : $0.5143
74f521sjx rochester electronics quad 2 input nand gate (s.o.) - bulk 74f521sjx 1 wks factory lead time
715 : $0.50
74f521dc rochester electronics - bulk 74f521dc 1 wks factory lead time
37 : $11.47
100 : $9.83
sn74f521nsr rochester electronics - bulk sn74f521nsr 1 wks factory lead time
863 : $0.4143
74f521msa rochester electronics - bulk 74f521msa 1 wks factory lead time
511 : $0.70
sn74f521ns rochester electronics sn74f521ns 1 wks factory lead time
863 : $0.4143
sn74f521n rochester electronics - bulk sn74f521n 1 wks factory lead time
863 : $0.4143
74f521scx rochester electronics 74f521scx 26 wks factory lead time
893 : $0.40
74f521sc rochester electronics 74f521sc 1 wks factory lead time
863 : $0.4143
arrow electronics • ecia (neda) member • authorized distributor
元器件型号 厂商 描述 arrow# 数量 价格
74f521msa fairchild semiconductor identity comparator 8-bit 20-pin ssop rail 74f521msa 0
$0.78
74f521msax fairchild semiconductor identity comparator 8-bit 20-pin ssop t/r 74f521msax 0
$0.78
74f521pc fairchild semiconductor identity comparator 8-bit 20-pin pdip rail 74f521pc 836
$0.70
74f521sc fairchild semiconductor identity comparator 8-bit 20-pin soic w rail 74f521sc 0
call 1-800-833-3557 for quote
74f521scx fairchild semiconductor identity comparator 8-bit 20-pin soic w t/r 74f521scx 0
$0.44
74f521sj fairchild semiconductor identity comparator 8-bit 20-pin sop-ii rail 74f521sj 0
$0.58
74f521sjx fairchild semiconductor identity comparator 8-bit 20-pin sop-ii t/r 74f521sjx 0
$0.55
n74f521d,602 nxp semiconductors identity comparator 8-bit 20-pin so tube n74f521d,602 566
$0.48
sn74f521dw texas instruments identity comparator 8-bit 20-pin soic tube sn74f521dw 160
$0.27
sn74f521dwe4 texas instruments identity comparator 8-bit 20-pin soic tube sn74f521dwe4 0
$0.28
sn74f521dwr texas instruments identity comparator 8-bit 20-pin soic t/r sn74f521dwr 2000
$0.24
sn74f521dwr texas instruments identity comparator 8-bit 20-pin soic t/r sn74f521dwr**mult1 0
click buy for pricing
sn74f521dwre4 texas instruments identity comparator 8-bit 20-pin soic t/r sn74f521dwre4 0
$0.25
sn74f521n texas instruments identity comparator 8-bit 20-pin pdip tube sn74f521n 220
$0.24
sn74f521ne4 texas instruments identity comparator 8-bit 20-pin pdip tube sn74f521ne4 0
$0.25
sn74f521nsr texas instruments identity comparator 8-bit 20-pin sop t/r sn74f521nsr 0
$0.35
verical • authorized dealer
元器件型号 厂商 描述 rohs 数量 价格
74f521pc fairchild semiconductor identity comparator 8-bit 20-pin pdip rail yes 836
$0.662
n74f521d,602 nxp semiconductors identity comparator 8-bit 20-pin so tube yes 0
$0.3898
sn74f521dw texas instruments identity comparator 8-bit 20-pin soic tube yes 0
$0.27
sn74f521dwr texas instruments identity comparator 8-bit 20-pin soic t/r yes 0
$0.24
future electronics • ecia (neda) member • authorized distributor
元器件型号 厂商 描述 pkg qty rohs pb free datasheet 数量 价格 (usd)
74f521pc fairchild 74f521 series 5.5 v through hole 8-bit identity comparator - dip-20 1 y y datasheet 0
1 : $1.08
10 : $1.05
100 : $0.86
250 : $0.715
1000 : $0.59
see more
rs components - china • authorized distributor
元器件型号 厂商 描述 rs # 数量 china
sn74f521dwg4 texas instruments identity comparator 8-bit 20-pin soic 6631849 200
onlinecomponents.com • ecia (neda) member • authorized distributor
元器件型号 厂商 描述 oc # 数量 价格
74f521d florida misc. 74f521d 7
visit website to request pricing
74f521pc fairchild adv schottky 8-bit ident compa 74f521pc 1038
1  : $0.5
25  : $0.46
100  : $0.43
450  : $0.43
900  : $0.37
1800  : $0.36
3600  : $0.33
see more
74f521sc fairchild adv schottky 8-bit ident compa 74f521sc 582
1  : $0.42
25  : $0.39
100  : $0.37
250  : $0.35
500  : $0.32
1000  : $0.3
2500  : $0.29
see more
74f521scx fairchild adv schottky 8-bit ident compa 74f521scx 582
1  : $0.76
25  : $0.56
100  : $0.54
250  : $0.45
500  : $0.43
1000  : $0.39
2000  : $0.37
see more
74f521sj fairchild comparator, 8-bit, identity 74f521sj 932
1  : $0.48
25  : $0.44
100  : $0.42
250  : $0.42
500  : $0.39
1000  : $0.39
2500  : $0.37
see more
74f521sjx fairchild comparator, 8-bit, identity 74f521sjx 932
1  : $0.97
25  : $0.86
100  : $0.71
250  : $0.6
500  : $0.55
1000  : $0.54
2000  : $0.48
4k  : $0.45
see more
basiceparts
元器件型号 厂商 描述 date code 数量
mc74f521dw motorola 74f521 mot””89 smt tubes n9f8a 75
quest components
quest components, inc.   search results availability quantity price
breaks
part#: 74f521d
desc: 74f521d
mfg: signetics
ships in 3-5 days 577 1 $1.0000
6 $0.8000
26 $0.5000
121 $0.3000

 buy now
part#: 74f521d
desc: 74f521d
mfg: sig
in stock 329 1 $0.9500
6 $0.7600
27 $0.4750
127 $0.2850

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part#: 74f521dc
desc: identity comparator, 20 pin, ceramic, dip
mfg: fsc
in stock 3 1 $10.9400

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part#: 74f521n
desc: identity comparator, 20 pin, plastic, dip
mfg: philips semiconductors
in stock 43 1 $1.3000
5 $1.0400
20 $0.6500

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part#: 74f521n
desc: identity comparator, 20 pin, plastic, dip
mfg: sig
in stock 22 1 $1.3000
5 $1.0400
20 $0.6500

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part#: 74f521n
desc: identity comparator, 20 pin, plastic, dip
mfg: signetics
in stock 20 1 $1.3000
5 $1.0400
20 $0.6500

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part#: 74f521n
desc: identity comparator, 20 pin, plastic, dip
mfg: philips/99””s
in stock 15 1 $1.3000
5 $1.0400

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part#: 74f521pc
desc: identity comparator, 20 pin, plastic, dip
mfg: fairchild
ships in 3-5 days 300 1 $1.5000
4 $1.2000
18 $0.7500
81 $0.4500

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part#: 74f521pc
desc: identity comparator, 20 pin, plastic, dip
mfg: fsc
in stock 23 1 $1.4000
5 $1.1200
19 $0.7000

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part#: 74f521pc
desc: identity comparator, 20 pin, plastic, dip
mfg: nsc
ships in 2-3 days 4 1 $1.5250
4 $1.2200

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part#: 74f521pc
desc: identity comparator, 20 pin, plastic, dip
mfg: national semiconductor corp
in stock 2 1 $1.4000

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part#: 74f521sc
desc: identity comparator, 20 pin, plastic, sop
mfg: nsc
in stock 373 1 $0.8000
7 $0.6400
32 $0.4000
151 $0.2400

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part#: 74f521sc
desc: identity comparator, 20 pin, plastic, sop
mfg: nsc
ships in 3-5 days 84 1 $1.0000
6 $0.8000
26 $0.5000

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part#: 74f521scx
desc:
mfg: fairchild semiconductor (fsc)
ships in 2-3 days 2,658 1 $1.5295
4 $1.2236
17 $0.7648
79 $0.4589
437 $0.3977
2013 $0.3824

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crestwood technology group
元器件型号 厂商 rapid quote 数量
74f521d philps get rapid quote 19
74f521pc fsc get rapid quote 77
f74f521pc fsc get rapid quote 77
tl74f521d philps get rapid quote 19
bristol electronics
元器件型号 厂商 packaging date code 数量
74f521d signetics 38/tube 93 722
74f521pc fairchild 18/tube 00 342
74f521pc fairchild 18/tube 99 34
74f521sc nsc 40/tube 90 80
74f521sc nsc tube 94 25
mc74f521n mot 18/tube 97 944
mc74f521n mot 18/tube 95 360
mc74f521n mot 18/tube 95 82
mc74f521n mot 18/tube 94 288
mc74f521n mot 18/tube 94 246
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