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ECIA (NEDA) Member • Authorized Distributor
Rochester Electronics is a global leader in the semiconductor industry, providing innovative solutions to meet the needs of businesses and individuals worldwide. With over 15 billion devices in stock, comprising of more than 200,000 part numbers, Rochester offers the world's most extensive range of end-of-life (EOL) and active semiconductors.

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Rochester Electronics ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
KTY81/122,112
NXP Semiconductors Silicon temperature sensors RoHS: Compliant Status: End of Life / Last Time Buy Min Qty: 1 KTY81/122,112 Part Details 10706
  • 1000 $0.7094
  • 500 $0.7511
  • 100 $0.7845
  • 25 $0.8179
  • 1 $0.8346
$0.7094 / $0.8346 Buy Now KTY81/122,112 Part Details
KTY81/221,112
NXP Semiconductors KTY81 - Silicon temperature sensors RoHS: Compliant Status: End of Life / Last Time Buy Min Qty: 1 KTY81/221,112 Part Details 6851
  • 1000 $0.7449
  • 500 $0.7887
  • 100 $0.8237
  • 25 $0.8588
  • 1 $0.8763
$0.7449 / $0.8763 Buy Now KTY81/221,112 Part Details
BSP122,115
NXP Semiconductors Nexperia BSP122 - Small Signal Field-Effect Transistor, 0.55A, 200V, N-Channel MOSFET RoHS: Compliant Status: Active Min Qty: 1 BSP122,115 Part Details 1430
  • 1000 $0.1500
  • 500 $0.1588
  • 100 $0.1659
  • 25 $0.1730
  • 1 $0.1765
$0.1500 / $0.1765 Buy Now BSP122,115 Part Details
BZX84-B12,215
NXP Semiconductors Nexperia BZX84-B12 - Zener Diode, 12V, 2%, 0.25W, Unidirectional, TO-236AB RoHS: Compliant Status: Active Min Qty: 1 BZX84-B12,215 Part Details 105359
  • 1000 $0.0195
  • 500 $0.0207
  • 100 $0.0216
  • 25 $0.0225
  • 1 $0.0230
$0.0195 / $0.0230 Buy Now BZX84-B12,215 Part Details
BZB84-C12,215
NXP Semiconductors Zener Diode, 12V, 5%, 0.3W, Unidirectional, TO-236AB RoHS: Compliant Status: Active Min Qty: 1 BZB84-C12,215 Part Details 114600
  • 1000 $0.0195
  • 500 $0.0207
  • 100 $0.0216
  • 25 $0.0225
  • 1 $0.0230
$0.0195 / $0.0230 Buy Now BZB84-C12,215 Part Details
BZB84-C12,215
Nexperia Zener Diode, 12V, 5%, 0.3W, Unidirectional, TO-236AB RoHS: Compliant Status: Active Min Qty: 1 BZB84-C12,215 Part Details 867000
  • 1000 $0.0195
  • 500 $0.0207
  • 100 $0.0216
  • 25 $0.0225
  • 1 $0.0230
$0.0195 / $0.0230 Buy Now BZB84-C12,215 Part Details
BZX84-A12,215
Nexperia BZX84-A12 - Voltage Regulator Diode RoHS: Compliant Status: Active Min Qty: 1 BZX84-A12,215 Part Details 1830
  • 1000 $0.1088
  • 500 $0.1152
  • 100 $0.1203
  • 25 $0.1254
  • 1 $0.1280
$0.1088 / $0.1280 Buy Now BZX84-A12,215 Part Details
BSP122,115
Nexperia Nexperia BSP122 - Small Signal Field-Effect Transistor, 0.55A, 200V, N-Channel MOSFET RoHS: Compliant Status: Active Min Qty: 1 BSP122,115 Part Details 24000
  • 1000 $0.1500
  • 500 $0.1588
  • 100 $0.1659
  • 25 $0.1730
  • 1 $0.1765
$0.1500 / $0.1765 Buy Now BSP122,115 Part Details
BZX84-C12,215
Nexperia BZX84-C12 - Voltage regulator diodes RoHS: Compliant Status: Active Min Qty: 1 BZX84-C12,215 Part Details 6000
  • 1000 $0.0195
  • 500 $0.0207
  • 100 $0.0216
  • 25 $0.0225
  • 1 $0.0230
$0.0195 / $0.0230 Buy Now BZX84-C12,215 Part Details
BZX84-B12,215
Nexperia Nexperia BZX84-B12 - Zener Diode, 12V, 2%, 0.25W, Unidirectional, TO-236AB RoHS: Compliant Status: Active Min Qty: 1 BZX84-B12,215 Part Details 27000
  • 1000 $0.0195
  • 500 $0.0207
  • 100 $0.0216
  • 25 $0.0225
  • 1 $0.0230
$0.0195 / $0.0230 Buy Now BZX84-B12,215 Part Details
LT1221CN8#PBF
Analog Devices Inc LT1221 - Very Hi Speed OA (Av=4) RoHS: Compliant Status: Active Min Qty: 1 LT1221CN8#PBF Part Details 43
  • 1000 $5.1700
  • 500 $5.4700
  • 100 $5.7200
  • 25 $5.9600
  • 1 $6.0800
$5.1700 / $6.0800 Buy Now LT1221CN8#PBF Part Details
TRF1221IRGZT
Texas Instruments Up Converter, 1700MHz Min, 3600MHz Max, 0dBm Output Power-Max RoHS: Compliant Status: Obsolete Min Qty: 1 TRF1221IRGZT Part Details 15908
  • 1000 $28.9400
  • 500 $30.6400
  • 100 $32.0100
  • 25 $33.3700
  • 1 $34.0500
$28.9400 / $34.0500 Buy Now TRF1221IRGZT Part Details
DAC1221E/2K5
Texas Instruments DAC1221 16-Bit Delta-Sigma Low Power Digital-To-Analog Converter RoHS: Not Compliant Status: Obsolete Min Qty: 1 DAC1221E/2K5 Part Details 2500
  • 1000 $3.2600
  • 500 $3.4500
  • 100 $3.6000
  • 25 $3.7600
  • 1 $3.8300
$3.2600 / $3.8300 Buy Now DAC1221E/2K5 Part Details
TRF1221IRGZR
Texas Instruments Up Converter, 1700MHz Min, 3600MHz Max, 0dBm Output Power-Max RoHS: Compliant Status: Obsolete Min Qty: 1 TRF1221IRGZR Part Details 77495
  • 1000 $18.1900
  • 500 $19.2600
  • 100 $20.1100
  • 25 $20.9700
  • 1 $21.4000
$18.1900 / $21.4000 Buy Now TRF1221IRGZR Part Details
PCI1221GHK
Texas Instruments PCMCIA Bus Controller, PBGA209 RoHS: Not Compliant Status: Obsolete Min Qty: 1 PCI1221GHK Part Details 5404
  • 1000 $7.8600
  • 500 $8.3200
  • 100 $8.6900
  • 25 $9.0600
  • 1 $9.2500
$7.8600 / $9.2500 Buy Now PCI1221GHK Part Details
TPS51221RTVR
Texas Instruments TPS51221 Fixed Frequency 99% Duty Cycle Peak Current Mode Notebook System Power Dual Controller RoHS: Compliant Status: Active Min Qty: 1 TPS51221RTVR Part Details 3076
  • 1000 $2.7000
  • 500 $2.8600
  • 100 $2.9900
  • 25 $3.1100
  • 1 $3.1800
$2.7000 / $3.1800 Buy Now TPS51221RTVR Part Details
VSP1221PFB
Texas Instruments VSP1221 12-bit, 21 MSPS 1-Channel AFE for CCD Sensors RoHS: Compliant Status: Active Min Qty: 1 VSP1221PFB Part Details 91
  • 1000 $6.9700
  • 500 $7.3800
  • 100 $7.7100
  • 25 $8.0400
  • 1 $8.2000
$6.9700 / $8.2000 Buy Now VSP1221PFB Part Details
BQ51221YFPT
Texas Instruments BQ51221 Dual Mode 5-W (WPC and PMA) Single Chip Wireless Power Receiver RoHS: Compliant Status: Active Min Qty: 1 BQ51221YFPT Part Details 3250
  • 1000 $4.1200
  • 500 $4.3600
  • 100 $4.5600
  • 25 $4.7500
  • 1 $4.8500
$4.1200 / $4.8500 Buy Now BQ51221YFPT Part Details
TPS51221RTVT
Texas Instruments TPS51221 Fixed Frequency 99% Duty Cycle Peak Current Mode Notebook System Power Dual Controller RoHS: Compliant Status: Active Min Qty: 1 TPS51221RTVT Part Details 6750
  • 1000 $3.2400
  • 500 $3.4300
  • 100 $3.5800
  • 25 $3.7400
  • 1 $3.8100
$3.2400 / $3.8100 Buy Now TPS51221RTVT Part Details
DAC1221E
Texas Instruments DAC1221 16-Bit Delta-Sigma Low Power Digital-To-Analog Converter RoHS: Compliant Status: Active Min Qty: 1 DAC1221E Part Details 25645
  • 1000 $8.4200
  • 500 $8.9100
  • 100 $9.3100
  • 25 $9.7000
  • 1 $9.9000
$8.4200 / $9.9000 Buy Now DAC1221E Part Details
A1221ELHLT-T
Allegro MicroSystems LLC A1221 - Chopper Stabilized Precision Hall Effect Latch RoHS: Compliant Status: Active Min Qty: 1 A1221ELHLT-T Part Details 100
  • 1000 $0.3681
  • 500 $0.3898
  • 100 $0.4071
  • 25 $0.4244
  • 1 $0.4331
$0.3681 / $0.4331 Buy Now A1221ELHLT-T Part Details
DAC1221E
Burr-Brown Corp DAC1221 16-Bit Delta-Sigma Low Power Digital-To-Analog Converter RoHS: Compliant Status: Active Min Qty: 1 DAC1221E Part Details 13175
  • 1000 $8.4200
  • 500 $8.9100
  • 100 $9.3100
  • 25 $9.7000
  • 1 $9.9000
$8.4200 / $9.9000 Buy Now DAC1221E Part Details
LT1221CN8#PBF
Linear Technology LT1221 - Very Hi Speed OA (Av=4) RoHS: Compliant Status: Active Min Qty: 1 LT1221CN8#PBF Part Details 1076
  • 1000 $5.1700
  • 500 $5.4700
  • 100 $5.7200
  • 25 $5.9600
  • 1 $6.0800
$5.1700 / $6.0800 Buy Now LT1221CN8#PBF Part Details
DS1221
Maxim Integrated Products NonVolatile Memory Power Management RoHS: Not Compliant Status: Obsolete Min Qty: 1 DS1221 Part Details 858
  • 1000 $4.2800
  • 500 $4.5400
  • 100 $4.7400
  • 25 $4.9400
  • 1 $5.0400
$4.2800 / $5.0400 Buy Now DS1221 Part Details
DS1221S/T&R
Maxim Integrated Products NonVolatile Memory Power Management RoHS: Not Compliant Status: Obsolete Min Qty: 1 DS1221S/T&R Part Details 338
  • 1000 $5.8900
  • 500 $6.2400
  • 100 $6.5100
  • 25 $6.7900
  • 1 $6.9300
$5.8900 / $6.9300 Buy Now DS1221S/T&R Part Details
MC1221F
Motorola Mobility LLC Logic Circuit, ECL, CDFP14 RoHS: Not Compliant Status: Obsolete Min Qty: 1 MC1221F Part Details 798
  • 1000 $24.8800
  • 500 $26.3400
  • 100 $27.5100
  • 25 $28.6800
  • 1 $29.2700
$24.8800 / $29.2700 Buy Now MC1221F Part Details
2SA1221-AZ
Renesas Electronics Corporation 2SA1221 - Small Signal Bipolar Transistor, 0.5A, 140V, PNP RoHS: Compliant Status: Obsolete Min Qty: 1 2SA1221-AZ Part Details 10579
  • 1000 $0.2856
  • 500 $0.3024
  • 100 $0.3158
  • 25 $0.3293
  • 1 $0.3360
$0.2856 / $0.3360 Buy Now 2SA1221-AZ Part Details
2SA1221-T-AZ
Renesas Electronics Corporation 2SA1221 - Small Signal Bipolar Transistor, 0.5A, 140V, PNP RoHS: Compliant Status: Obsolete Min Qty: 1 2SA1221-T-AZ Part Details 6000
  • 1000 $0.2856
  • 500 $0.3024
  • 100 $0.3158
  • 25 $0.3293
  • 1 $0.3360
$0.2856 / $0.3360 Buy Now 2SA1221-T-AZ Part Details
ISL1221IUZ
Renesas Electronics Corporation Real Time Clock, Non-Volatile, CMOS, PDSO10 RoHS: Compliant Status: Obsolete Min Qty: 1 ISL1221IUZ Part Details 2579
  • 1000 $2.6300
  • 500 $2.7900
  • 100 $2.9100
  • 25 $3.0400
  • 1 $3.1000
$2.6300 / $3.1000 Buy Now ISL1221IUZ Part Details
SKY12210-478LF
Skyworks Solutions Inc SKY12210-478LF - 0.9 to 5.0 GHz, 100 W High-Power Silicon PIN Diode SPDT Switch RoHS: Compliant Status: Active Min Qty: 1 SKY12210-478LF Part Details 6935
  • 1000 $6.3000
  • 500 $6.6700
  • 100 $6.9600
  • 25 $7.2600
  • 1 $7.4100
$6.3000 / $7.4100 Buy Now SKY12210-478LF Part Details
SKY12211-478LF
Skyworks Solutions Inc SKY12211 - 0.05 to 2.70 GHz 40 W High Power Silicon PIN Diode SPDT Switch RoHS: Compliant Status: Obsolete Min Qty: 1 SKY12211-478LF Part Details 330
  • 1000 $4.3800
  • 500 $4.6400
  • 100 $4.8400
  • 25 $5.0500
  • 1 $5.1500
$4.3800 / $5.1500 Buy Now SKY12211-478LF Part Details
SKY12215-478LF
Skyworks Solutions Inc SKY12215 - 0.9 to 4.0 GHz, 125 W High-Power Silicon PIN Diode SPDT Switch RoHS: Compliant Status: Active Min Qty: 1 SKY12215-478LF Part Details 30511
  • 1000 $13.7300
  • 500 $14.5400
  • 100 $15.1900
  • 25 $15.8300
  • 1 $16.1500
$13.7300 / $16.1500 Buy Now SKY12215-478LF Part Details
SKY66122-11
Skyworks Solutions Inc SKY66122 - 863 to 928 MHz Wi-SUN Front-End Module RoHS: Compliant Status: Active Min Qty: 1 SKY66122-11 Part Details 157
  • 1000 $1.7500
  • 500 $1.8600
  • 100 $1.9400
  • 25 $2.0200
  • 1 $2.0600
$1.7500 / $2.0600 Buy Now SKY66122-11 Part Details
CS51221ED16
onsemi Switching Controller, Voltage-mode, 1A, 1000kHz Switching Freq-Max, PDSO16 RoHS: Not Compliant Status: Obsolete Min Qty: 1 CS51221ED16 Part Details 427
  • 1000 $0.7445
  • 500 $0.7883
  • 100 $0.8233
  • 25 $0.8584
  • 1 $0.8759
$0.7445 / $0.8759 Buy Now CS51221ED16 Part Details
CS51221ED16G
onsemi Switching Controller, Voltage-mode, 1A, 1000kHz Switching Freq-Max, PDSO16 RoHS: Compliant Status: Obsolete Min Qty: 1 CS51221ED16G Part Details 8123
  • 1000 $1.1100
  • 500 $1.1800
  • 100 $1.2300
  • 25 $1.2800
  • 1 $1.3100
$1.1100 / $1.3100 Buy Now CS51221ED16G Part Details
CS51221EDR16
onsemi Switching Controller, Voltage-mode, 1A, 1000kHz Switching Freq-Max, PDSO16 RoHS: Not Compliant Status: Obsolete Min Qty: 1 CS51221EDR16 Part Details 10000
  • 1000 $0.7445
  • 500 $0.7883
  • 100 $0.8233
  • 25 $0.8584
  • 1 $0.8759
$0.7445 / $0.8759 Buy Now CS51221EDR16 Part Details
CS51221EDR16G
onsemi Switching Controller, Voltage-mode, 1A, 1000kHz Switching Freq-Max, PDSO16 RoHS: Compliant Status: Active Min Qty: 1 CS51221EDR16G Part Details 30048
  • 1000 $1.1200
  • 500 $1.1800
  • 100 $1.2300
  • 25 $1.2900
  • 1 $1.3100
$1.1200 / $1.3100 Buy Now CS51221EDR16G Part Details
CS51221EDTB16G
onsemi Switching Controller, Voltage-mode, 1A, 1000kHz Switching Freq-Max, PDSO16 RoHS: Compliant Status: Obsolete Min Qty: 1 CS51221EDTB16G Part Details 4459
  • 1000 $0.7445
  • 500 $0.7883
  • 100 $0.8233
  • 25 $0.8584
  • 1 $0.8759
$0.7445 / $0.8759 Buy Now CS51221EDTB16G Part Details

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