| nr | name | cat | description | manufacturer | 
| 50 | ADXL50 |  | Monolithic Accelerometer with Signal Conditioning, data | AD | 
| 50 | OP50 | amp | High-Output-Current, data | AD | 
| 50 | REF50Z | vreg | Extremely low noise reg TO92 - 5V- 100mA pos.Plessey | order from Barend | 
| 500 | CLC500A | amp | opamp | CLC* | 
| 500 | MAX500 | dac,spi | DAC, 8-bit 4-channel with buffered outputs and shared references | Maxim | 
| 500 | MAX500 |  | quad cmos 8 bits dac, pinout | maxim | 
| 500 | MM500 | shift | 25*2 DSR* TO99 | NS | 
| 500 | MV500 | xmitter | Remote Control Transmitter  , data (shtml needed) | GPS | 
| 500 | MV500 |  | PPM Remote Control Encoder, pinout | Plessey Semiconductor | 
| 5000 |  | mcu | Soft Microcontroller, | Dallas* | 
| 5000 | DS5000 | mcu | MCU (=8051+) 128*8 RAM, 32KR*8 ROM, 32K*8 XRAM, 80x51 Secure+ NV* support, BootLdr, DIP40 | Dallas | 
| 5000 | DS5000 | mcu | Soft Microcontroller, PS (396 Kb) | Dallas* | 
| 5000 | DS5000FP | mcu | Soft Microcontroller Chip, | Dallas* | 
| 5000 | DS5000T | mcu | Soft Microcontroller, PS (564 Kb) | Dallas* | 
| 5000 | PCA5000A |  | POCSAG paging decoder | Philips | 
| 5001 |  | ? | 128k Micro Chip, | Dallas* | 
| 5001 | DS5001 | mcu | MCU (=8051+) 128*8 RAM, 64Kx*8 ROM, 64K*8 XRAM, Better 5000, + RPC + BatSw, QFP80 | Dallas | 
| 5001 | DS5001FP | mcu | 128K Soft Micro Chip, PS (1241 Kb) | Dallas* | 
| 5001 | PCF5001 |  | POCSAG paging decoder | Philips | 
| 50010 | IFD50010 | divider | Avantek 5 GHz prescaler /4 | order from Barend | 
| 5002 |  | mcu | Secure Micro Chip, | Dallas* | 
| 5002 | DS5002FP | mcu | Secure Micro, PS (1318 Kb) | Dallas* | 
| 5002 | PCD5002 | i2c | I2C chip | Philips* | 
| 50020 | STR50020 | regulator | 5 pins,     Regulator | 
| 5003 | PCF5003 |  | POCSAG paging decoder | Philips | 
| 5005 | mtp50n05el | fet | fet tmos 50v 50a t0220 | Motorola | 
| 501 |  | ? | 6-8 Channel Read/Write Circuits | NS | 
| 501 |  | mcu | 8-Bit MCU, (=8051+) 256 Bytes RAM, up to 40 Mhz, Order_data_sheets | Siemens | 
| 501 | 501 | mcu | 8-Bit MCU, (=8051+) 256 Bytes RAM, up to 40 Mhz | Siemens | 
| 501 | C501-L | mcu | 256*8 RAM 3 timers 4 ports 40 Mhz | Siemens | 
| 501 | CLC501A | amp | opamp | CLC* | 
| 501 | MB501LP | divider | =NE701=MC12022 divider/64/65/128/129 1.2 GHz DIP8 | order from Barend | 
| 501 | MB501LPF | divider | =NE701D same in SMD | order from Barend | 
| 501 | MM501 | shift | 25*2 DSR* TO99 | NS | 
| 501 | PLHS501 | pl | Programmable macro logic PML | Philips | 
| 501 | RP5C01 |  | C-MOS Realtime Clock, pinout | Ricoh | 
| 501 | SABC501 | mcu | MCU (=8051+) 256*8 RAM, 64Kx*8 ROM, 40MHz Enhanced 8052 U/D, DIP40 | Siemens | 
| 501 | ics501 |  | www.icst.com/pdf/ics501.pdf | ICS* | 
| 5010 | MOC5010 | ~ | pinout | 
| 5012 | MK5012P | calc | calculator | Mostek | 
| 5013 | MM5013 | shift | 1k*1 DSR* | NS | 
| 5015 | MM5015 | shift | 64*3 DSR* | NS | 
| 5015 | SR5015 | shift | quad static 80/81/133-bit shift register with mask programmable length | SMC, AMI:2182/2183/2185 | 
| 5016 | COM5016 | clock | dual baud-rate generator | SMC, WD:BR1941 | 
| 5016 | MM5016 | shift | 512*1 DSR* | NS | 
| 5017 | MK5017 | clock | clock | Mostek | 
| 5017 | MM5017 | shift | 512*2 DSR* | NS | 
| 5017 | SR5017 | shift | quad  81-bit shift register | SMC | 
| 5018 | NE5018 | dac | 8-bit microprocesor-compatible DAC DIL22, CERDIP22 | Philips | 
| 5018 | SE5018 | dac | 8-bit microprocessor-compatible DAC DIL22, CERDIP22 | Philips | 
| 5018 | SR5018 | shift | quad 133-bit shift register | SMC | 
| 5019 | NE5019 | dac | 8-bit microprocesor-compatible DAC DIL22 | Philips | 
| 5019 | SE5019 | dac | 8-bit microprocessor-compatible DAC DIL22 | Philips | 
| 502 |  | mcu | 8-Bit MCU, (=501+, 8032+) 16k EPROM*, 256 Bytes RAM, Watchdog, 8*DPTR, 8*A/D 10-Bit | Siemens | 
| 502 |  | mcu | 8051 clone (?), Order_data_sheets | Siemens | 
| 502 | 502 | mcu | 8-Bit MCU, (=501+) 8 * A/D 10 Bit | Siemens | 
| 502 | 502 | mcu | 8-Bit MCU, (=8032+) 16k EPROM*, 256 Bytes RAM, Watchdog, 8 * DPTR | Siemens | 
| 502 | 5B02 |  | 5B02, STB-TCI, STB-HLI, STB-TC, STB-HLO2, STB-AOT, Analog Signal Conditioning Panels, data | AD | 
| 502 | C502-2R | mcu | 16k*8 ROM 256*8 RAM 3 timers 4 ports 12,20 MHz Watchdog, 8 * DPTR | Siemens | 
| 502 | C502-L | mcu | 256*8 RAM 3 timers 4 ports 12,20 MHz Watchdog, 8 * DPTR | Siemens | 
| 502 | MM502 | shift | 50*2 DSR* TO99 | NS | 
| 502 | SABC502 | mcu | MCU (=8051+) 256*8 RAM, 64Kx*8 ROM, 256*8 XRAM, 8052+XRAM+8DP+WD+BRG+OWD, DIP40 | Siemens | 
| 502 | an502A |  | www.icst.com/pdf/an502A.pdf | ICS* | 
| 502 | an502B |  | www.icst.com/pdf/an502B.pdf | ICS* | 
| 502 | ics502 |  | www.icst.com/pdf/ics502.pdf | ICS* | 
| 5020 | NE5020 | dac | 10-bit microprocesor-compatible DAC DIL24, CERDIP24 | Philips | 
| 5020 | PCB5020 | i2c | I2C chip | Philips* | 
| 5021 | PCB5021 | i2c | I2C chip | Philips* | 
| 5024 | DYMEC5024 | periph | Counter/Timer, 24-Bit, Programmable | Dymec* | 
| 50240 | S50240 | synth | Top Octave Synthesizer Data | 
| 5025 | COM5025 | usrt | Multi-protocol USYNRT: SDLC, HDLC, ADCCP, BI-sync, DDCMP | SMC | 
| 5025 | MK5025 | network | Link Level Controller, CCITT X.25 | ST | 
| 5025 | MM5025 | shift | 1k*2 DSR* | NS | 
| 50250 | MK50250 | clock | Clock | Mostek | 
| 5026 | COM5026 | clock | Single Baud-rate generator | SMC | 
| 5026 | MM5026 | shift | 1k*2 DSR* | NS | 
| 5027 | CRT5027 | video | CRT* display controller | SMC | 
| 5027 | MM5027 | shift | 2k*1 DSR* | NS | 
| 5027 | OM5027 | board,i2c | I2C-bus/LCD demo board | Philips | 
| 5028 |  | network | High-speed data-comm controller for frame relais app's (OSI layer 2) | ST* | $28/1k | 
| 503 |  | mcu | 8051 clone (?), Order_data_sheets | Siemens | 
| 503 | C503-1R | mcu | 8k*8 ROM 256*8 RAM 3 timers 4 ports 12,20 MHz 8*A/D 10bit | Siemens | 
| 503 | C503-L | mcu | 256*8 RAM 3 timers 4 ports 12,20 MHz 8*A/D 10bit | Siemens | 
| 503 | MM503 | shift | 50*2 DSR* TO99 | NS | 
| 503 | SABC503 | mcu | MCU (=8051+) 256*8 RAM, 64Kx*8 ROM, 80C52+8Ch, 10bit ADC,BRG,WD,OWD, DIP44? | Siemens | 
| 503 | an503 |  | www.icst.com/pdf/an503.pdf | ICS* | 
| 503 | an503B |  | www.icst.com/pdf/an503B.pdf | ICS* | 
| 503 | ics503 |  | www.icst.com/pdf/ics503.pdf | ICS* | 
| 5030 | TDA5030A | tv | TV VHF mixer/oscillator/UHF pre-amplifier DIL18 | Philips | 
| 5032 | PCB5032 | i2c | I2C chip | Philips* | 
| 5032 | PCD5032 | codec | ADPCM* CODEC for cordless telephone SO28 | Philips | 
| 5036 | COM5036 | clock | dual baud-rate generator | SMC, WD:BR1941 | 
| 5037 | CRT5037 | video | CRT* display controller | SMC, Mostek:MK3807, TI:TMS9927 | 
| 5037 | NE5037 | adc | 6-bit ADC with parallel outputs DIL16 | Philips | 
| 504 |  | dac | quad DACpot, 8-Bit DAC | Catalyst | 
| 504 | MAX504 | dac,spi | DAC, 10-bit single-channel multiplying with on-chip reference | Maxim | 
| 504 | MM504 | shift | 16*2 SSR* TO99 | NS | 
| 504 | ics504 |  | www.icst.com/pdf/ics504.pdf | ICS* | 
| 5040 | IH5040 | switch | SPST* Normally Open CMOS* analog switch | Maxim* | 
| 5040 | MM5040 | shift | 16*2 SSR* | NS | 
| 5040 | PCD5040 |  | DECT burst-mode controller | Philips | 
| 5040 | TDA5040 | motor | DC motor drive circuit | Philips | 
| 5041 | IH5041 | switch | dual SPST* Normally Open CMOS* analog switch | Maxim* | 
| 5041 | PCD5041 |  | DECT burst-mode controller | Philips | 
| 5042 | IH5042 | switch | SPDT CMOS* analog switch | Maxim* | 
| 5042 | PCD5042 |  | DECT burst-mode controller | Philips | 
| 5043 | IH5043 | switch | dual SPDT CMOS* analog SwitcH | Maxim* | 
| 50430 | M50430-001SP | tv | 30 pins,     Chn. selector | 
| 5044 | IH5044 | switch | DPS7 Normally Open CMOS* analog switch | Maxim* | 
| 5044 | NE5044 | encoder | Programmable 7-channel RC encoder DIL16 | Philips | 
| 5045 | IH5045 | switch | dual DPST* Normally Open CMOS* analog switch | Maxim* | 
| 5046 | COM5046 | clock | Single baud-rate generator | SMC | 
| 50464 | HM50464 | dram | 64k*4 DRAM | Hitachi | 
| 5047 | CRT5047 | video | CRT* display controller | SMC | 
| 5048 | IH5048 | switch | Low Charge Injection Dual* SPST* Normally Open analog switch | Maxim* | 
| 5049 | IH5049 | switch | Low Charge Injection Dual* DPST* Normally Open analog switch | Maxim* | 
| 505 |  | dac | quad DACpot, 8-Bit DAC, 5V | Catalyst | 
| 505 |  | mcu | PowerPC Microcontroller | Motorola* | 
| 505 | CLC505A | amp | opamp | CLC* | 
| 505 | MAX505 | dac | quad, Parallel, 8-Bit DAC with Rail-to-Rail Outputs, 4 Reference Inputs | Maxim* | 
| 505 | MM505 | shift | 32*2 SSR* TO99 | NS | 
| 505 | MPC505 | mcu | A 32-bit microcontroller based on the PowerPC architecture. | Motorola* | 
| 505 | SP505PR | lcd | lcd seiko 4 dig-it display | Seiko | 
| 5050 | IH5050 | switch | Low Charge injection SPDT analog switch | Maxim* | 
| 5050 | MM5050 | shift | 32*2 SSR* | NS | 
| 5050 | NE5050 | modem | Power line modem DIL20 | Philips | 
| 5051 | IH5051 | switch | Low Charge Injection Dual* SPDT analog switch | Maxim* | 
| 5051 | MM5051 | shift | 32*2 SSR* | NS | 
| 5052 | MM5052 | shift | 80*2 SSR* | NS | 
| 5053 | MM5053 | shift | 100*2 SSR* | NS | 
| 5054 | MM5054 | shift | 80*2 SSR* | NS | 
| 5055 | MM5055 | shift | 128*4 SSR* | NS | 
| 5055 | SP5055 | synthesizer | Synthesizer smd | order from Barend | 
| 5055 | TSA5055 | gen | 2.5 GHz bidirectional frequency synthesizer | Philips | 
| 5056 | MM5056 | shift | 256*2 SSR* | NS | 
| 5057 | CRT5057 | video | CRT* display controller | SMC | 
| 5057 | MM5057 | shift | 512*1 SSR* | NS | 
| 5058 | MM5058 | shift | 1k*1 SSR* | NS | 
| 506 |  | dac | 12-Bit, 40MHz DAC | Catalyst | 
| 506 | ADG506A | mux | CMOS* 8-/16-Channel Analog Multiplexers, data | AD | 
| 506 | DG506A | anamux | 16 Channel CMOS* analog Mux* | Maxim* | 
| 506 | MAX506 | dac | quad, Parallel, 8-Bit DAC with Rail-to-Rail Outputs, 1 Reference Input | Maxim* | 
| 506 | MB506P | divider | Prescaler /64/128/256 max. 2.5 GHz (DIP8) | order from Barend | 
| 506 | MB506PF | divider | Prescaler /64/128/256 max. 3 GHz (SO8) see UPB1505 | 
| 506 | MM506 | shift | 100*2 DSR* TO99 | NS | 
| 506 | UPG506B | prescaler | Prescaler 7-14 GHz (typ. 6-15 GHz) /8 | order from Barend | 
| 5061 | ILC5061 | reset | SOT-23 Power Supply Reset Monitor for Portable and battery powered electronics | Impala* | 
| 5061 | MM5061 | shift | 100*4 SSR* | NS | 
| 5066 | SL5066 | modulator | Plessey modulator smd | order from Barend | 
| 507 |  | volt | Precision +5.000V Reference | Catalyst | 
| 507 | ADG507A | mux | CMOS* 8-/16-Channel Analog Multiplexers, data | AD | 
| 507 | DG507A | anamux | Differential 8 Channel CMOS* analog Mux* | Maxim* | 
| 507 | MM507 | shift | 100*2 DSR* TO99 | NS | 
| 507 | TL507 | ~ | pinout | 
| 507 | TL507C | ~ | pinout | 
| 5070 | SP5070 | pll | Replaces SP5060 Fixed-Frequency PLL* but max. 2.5 GHz | order from Barend | 
| 50701 | ics50701 |  | www.icst.com/pdf/ics50701.pdf | ICS* | 
| 5071 | PCD5071 | telecom | GSM baseband interface | Philips | 
| 50747 | M50747 |  | Microcontroller, pinout | Mitsubishi | 
| 5075 | PCA5075 | telecom | Power amplifier controller for GSM | Philips | 
| 5076 | PCF5076 |  | TDMA timer | Philips | 
| 508 |  | volt | Precision -5.000V Reference | Catalyst | 
| 508 | 5B08 |  | 5B Series and 5B Series 8-Channel Backplanes, data | AD | 
| 508 | ADG508A | mux | CMOS* 4/8 Channel Analog Multiplexers, data | AD | 
| 508 | ADG508F | mux | 4/8 Channel Fault-Protected Analog Multiplexers, data | AD | 
| 508 | DG508 | mux | 8:1 or dual 4:1 analog mux | Siliconix | 
| 508 | DG508A | anamux | 8 Channel CMOS* analog Mux* | Maxim* | 
| 508 | HI-508A | anamux | Fault Protected 8 Channel Mux* | Maxim* | 
| 5080 | NE5080 | modem | High-speed FSK modem transmitter DIL16 | Philips | 
| 5081 | NE5081 | modem | High-speed FSK modem receiver DIL20 | Philips | 
| 5081 | PCD5081 | telecom | GSM baseband processor | Philips | 
| 5082 | PCD5082 | telecom | GSM baseband processor | Philips | 
| 5087 | 5087 | telecom | DTMF generator | 
| 5088 | TP5088 | dialer, telecom | Dialer | order from Barend | 
| 5088 | TP5088 | ~ | pinout, Data | NS | 
| 5088 | TT-5088 |  | generator dtmf, pinout | ?? | 
| 5089 | 5089 | telecom | DTMF generator | 
| 509 | ADG509A | mux | 4-Channel, CMOS* Differential Mux*/Demux*, data | AD | 
| 509 | ADG509F | mux | 4/8 Channel Fault-Protected Analog Multiplexers, data | AD | 
| 509 | DG509A | anamux | Differential 4 Channel CMOS* analog Mux* | Maxim* | 
| 509 | HI-509A | anamux | Fault Protected Differential 4 Channel Mux* | Maxim* | 
| 509 | MAX509 | dac,spi | DAC, 8-bit 4-channel multiplying | Maxim | 
| 509 | MAX509 | dac | quad, Serial 8-Bit DAC's with Rail-to-Rail Outputs, 4 Reference Inputs | Maxim* | 
| 5090 | NE5090 | relay | Addressable relay driver DIL16 | Philips | 
| 5090 | SA5090 | relay | Addressable relay driver DIL16 | Philips | 
| 5091 | PCD5091 |  | DECT single baseband processor | Philips | 
| 5092 | PCD5092 |  | DECT single baseband processor | Philips |