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Advantages and disadvantages of modules
The advantages and disadvantages of modules vary depending on the field of application and how they are implemented, but here are some ideas that are generally applicable:
Advantages of modules
Increased maintainability: Modularity makes a system or product easier to maintain. When a module has a problem, it can be repaired or replaced only for that module, without large-scale changes to the entire system or product. This reduces the difficulty and risk of maintenance.
Enhanced reusability: well-designed modules can be reused in different projects or scenarios. This improves development efficiency, avoids duplication of effort, and helps build unified, standardized solutions.
Facilitate division of labor and collaboration: Modularity allows large projects to be broken down into multiple small modules, and different teams or people can focus on the modules they are responsible for. This helps to realize parallel development and improve development efficiency and quality.
Improve readability and understandability: the function of each module is relatively simple and clear, making the logical structure of the entire system clearer. This helps developers and other stakeholders to better understand and grasp the structure and functionality of the system.
Improved system flexibility: The modular design allows the system to flexibly combine and replace different modules according to requirements. This helps to adapt to different business scenarios and changes, improve the adaptability and scalability of the system.
Reduce complexity: Breaking a complex system or product into smaller modules reduces overall complexity and makes it easier to manage and control.
Facilitate testing: The modular design makes it possible to test each module individually, improving the pertinence and efficiency of the test. This helps to find and resolve problems in a timely manner and ensure the quality of the system.
Module disadvantages
Increased complexity: Modularity may introduce more concepts, abstractions, and layers that increase the complexity of your code. New developers may need some time to get used to and understand the modular structure.
Difficulty to get started: For beginners, modular concepts and techniques can make getting started more difficult. They need to understand the fundamentals of modularity principles, syntax, and tools.
Resource overhead: Modularity may introduce some additional resource overhead, such as loading and maintaining modules, dependency management, etc. This may increase the operating cost of the system.
Reduced flexibility: Too strict modularity can result in code that is less flexible and less able to cope with some special needs or changes. In some cases, a certain degree of modularity may need to be sacrificed to meet actual requirements.
Run-time performance penalty: Some modularity schemes can introduce performance penalty at run time, especially when dealing with a large number of small modules. This may affect the responsiveness of the system and the user experience.
Over-layering: Too much modularity can lead to too much layering, increasing code complexity and unnecessary abstraction. This can make the system difficult to understand and maintain.
Dependency management difficulties: Modularity requires the management of a module's dependencies. When dependencies are complex, some problems may be introduced, such as version conflicts, dependency loops, and so on. This can make development and maintenance more difficult.
To sum up, modules have many advantages, but there are also some disadvantages. In practical applications, these advantages and disadvantages need to be weighed, according to the needs and characteristics of the project to choose the appropriate modularity strategy.

1N198A  diode axial  

ZD18 diode axial orig. ITT metal case

W06  diode radial 4 leads

1854-0018 transistor HP - Mot  metal can golden leads

1902-3185  diode axial HP - Mot  

20FQ040 diode ASI metal case  

TA761A IC Siemens DIP-6

710HC  IC FSC metal can

MDA942-1  rectifier Mot

SN74LS348N  IC TI DIP-16  

1853-0457  transistor HP - Mot TO-92

BAY88  diode axial BAY88 TFK

1901-1087  diode axial orig. HP  

2N3284 transistor orig. Mot metal can with golden leads

MC14007UBAL IC Mot CERDIP-14

SN54192J IC TI CERDIP-16   

1820-1173 IC HP - Mot  CERDIP-16

SN5442AJ IC TI CERDIP-16   

F68B21P IC FSC DIP-40

S68B21P IC AMI DIP-40

SAA1062AT SMD IC Siemens SO-28

1901-0496 diode Mot metal case

65120 transistor RCA metal can

Z3  diode orig. ITT metal can

AC150 transistor orig. TFK collectible vintage

UA78M05HC voltage regulator FSC metal can

MC14572UBCP  IC orig. Mot DIP-16

1853-0099  transistor orig. HP TO-92

1N3041B diode axial golden body  collectible part

HC7002 vario cap HP

ZD130  diode axial ITT metal case

2N1226 transistor orig. RCA metal can  collectible part

2N3713 transistor ASI TO-03

1N60  diode axial glass

TF78/60 transistor orig. Siemens metal can

2N4239 transistor orig. Mot metal can golden leads

1853-0518 transistor HP - Mot TO-92

1901-0838  diode axial orig. HP - Mot

C16  IC DIP-16  

IH5018CPA IC orig. Intersil DIP-8

1S44  diode axial glass  

FBL00030 diode axial

1N3027B diode axial metal case Mot  golden body and leads

1N985B diode axial orig. Mot

L296 IC ST regulator

UA725EHC IC FSC metal can

OF325 diode axial  glass

BFT45 transistor Philips metal can

2N4236 transistor orig. Mot metal can

MC68488P IC Mot DIP-40

2N4029 transistor Philips metal can

MC6809P IC Mot DIP-40

MC14514BCP IC Mot DIP-24

CA3029 IC orig. RCA DIP-14

1902-0034 diode axial orig. HP - ITT

B250/220-25L rectifier Fagor 39x39x10mm 4pins

ZD6.2   diode axial ITT metal case

1853-0326 transistor HP - Mot

2N4921  transistor Mot TO-225  golden leads

2N1183 transistor orig. RCA metal can

MC1670L IC Mot CERDIP-16

2N1183A transistor orig. RCA metal can

BFT19 transistor orig. RCA metal can

CD4514BF IC orig. RCA CERDIP-24

BFP520 transistor metal can golden leads

1820-1359 IC HP - Mot DIP-16

TAE1453A IC Siemens DIP-6

SN54153J IC TI CERDIP-16

BFX91 transistor metal can golden leads

FD7222  diode axial glass  

2N1304 transistor metal can

ACY25 transistor radial EWG metal can collectible vintage

LM394CH IC NSC metal can golden leads

2SA562  transistor Toshiba TO-92

470 JCE  capacitor cer. plate / KERKO 47pF 100V 5% rad. pitch 5mm*

105C1K  capacitor ceramic plate 1uF 100V 10% X7R rad. 10x10x5mm*

P8237A IC Intel DIP-40

HEF4051BD IC Philips CERDIP-16

HI1-508A-5 IC Harris CERDIP-16

TI487 transistor TI metal case long golden leads

CA307T IC orig. RCA metal can

1901-0142 diode axial HP  HP spare replacement part

MC840L IC Mot CERDIP-14

NM27C256Q120 IC orig. NSC CERDIP-28

ICL7135CPI IC orig. Maxim DIP-28

HD14572UBP IC Hitachi DIP-16

MC1023p IC orig. Mot DIP-14 golden pins

BYX71-350  diode

1853-0450 transistor orig. HP - Mot TO-220

2N4032 transistor orig. FSC metal can golden leads collectible part

2N2270 transistor RCA/Raytheon metal can long golden leads

2SB825   transistor Sanyo T-220

CA3030 IC RCA DIP-14

27C512-20 HFB IC Microchip CERDIP-28 PGM 12,5V

S3  diode axial

1901-0719  diode axial orig. HP - Mot

MCM21L14P25 IC Mot DIP-18

JAN 2N1490 transistor PMI TO-03

3-0108 126  transistor Mot metal can

TD2219 transistor

SN54193J IC TI CERDIP-16  

1858-0058 IC orig. HP DIP-14  HP spare part

1902-3110  diode axial orig. HP - Mot

1Z8.2T5 diode International Rectifier metal case

1S020 diode axial TI metal case

SN54LS90J  IC TI CERDIP-14   

10DB1A  bridge rectifier IR  *

1901-0166  diode axial HP  

1901-1085  diode axial orig. HP  

5400 diode axial ITT

BDY90 transistor orig. Philips TO-03

1820-1146 IC orig. HP - Mot  DIP-16

MC2073P IC Mot DIP-14 golden pins collectible item

LT337AH IC Linear Technology metal can golden leads collectible vintage

DAC08HP IC orig. PMI DIP-16

LF13333N IC NSC DIP-16

G130  diode axial

HM62256LP-12 IC Hitachi DIP-28

HM6264LP-15 IC Hitachi DIP-28

9374PC IC FSC DIP-16  

D8741A  IC Intel CERDIP-40

1902-3393 diode axial orig. HP  collectible golden leads

1853-0564 transistor HP - Mot TO-92 original replacement part HP

TC5517AP-2 IC Toshiba DIP-24

7400N  IC Signetics DIP-14  

TL044CJ  IC TI CERDIP-16

SN7423N  IC TI DIP-16

j2656 transistor Siliconix TO-92

AAZ10  diode axial glass

MC851P IC orig. Mot DIP-14

1902-3049  diode axial HP  

1902-3205  diode axial orig. HP - Mot

2N3738  transistor orig. Mot TO-66

BYX99-300 diode Philips metal case

BYY37 diode axial ITT metal case

CA3082F  IC CERDIP-16 RCA

SN74L98J IC TI CERDIP-16  

U5B7776393 IC FSC metal can  golden leads

185-1014  transistor TO-92

4018DM IC FSC CERDIP-16

EN3904  transistor CCS TO-106 golden leads

ZL6 diode Intermetal metal case

1KVG85 quartz crystal oscillator 3072.0K XA1357 golden leads

MMH0026CP1  IC Mot DIP-8

1902-3333  diode axial HP - Siemens

1902-3087 diode axial HP glas  vintage with golden leads

MRF531 transistor orig. Mot  metal can

SMM02040D8161BB300 SMD RoHS  resistor Vishay mmelf 8.16 kOhm 0.1% 0.4W

1853-0012  transistor orig. HP - Mot metal can

1901-0317 diode HP - Mot  metal case

CD4068BF  IC orig. RCA CERDIP-14  

SKB2/02L5A  bridge rectifier Semikron

1820-1049 IC orig. HP - NSC DIP-16  replacement part

LM2670SX-ADJ LM2670S-ADJ SMD RoHS  IC NSC TO-263

EVPADK04K SMD RoHS  tactile switch / Druckschalter Panasonic

MC14510BCP  IC Mot DIP-16  

NE614D SMD  IC Signetics SO-16  

MC68008P8  IC Mot DIP-48  

SAK-C167CR-LM BE SMD IC Infineon QFP-144

74ACT257SCX 74ACT257SC SMD  IC NSC SO-16  

UDN2595A IC DIP-18

ADC0809N  IC TI DIP-28

AM27C1024-150DC  IC AMD CERDIP-40

LMC6036IM SMD  IC NSC SO-14  

SN74AS74AN  IC TI DIP-14  

J2086 transistor Siliconix  TO-92

3TX7402-3H  surge suppressorr / Ueberspannungsbegrenzer Siemens

LM2917M-8 SMD  IC National SO-8

SN74BCT25244DW G4 SMD RoHS  IC TI SO-24W *

SN74145N  IC TI DIP-16  

1NT01L-0207 L80-11  Klixon fixed temperature bimetallthermostat

AM7968-125DC  IC CERDIP-28

1902-0175  diode axial orig. HP - Mot  

SN74L86N  IC TI DIP-14   

SAB8751HD  IC Intel DIP-40

Y31B11132FPJ LFS  SMD RoHS  tactile switch /Druckschalter C&K

D40K2 transistor orig. Mot TO-202

DK1a-E-L2-24V  print relay Aromat 24V 10A

1826-0493 IC HP - NSC DIP-8  

K2000  capacitor ceramic disc / KERKO 100pF 6kV rad. pitch 12.5mm

S3-24V  print relay / Printrelais SDS - Matsushita 24V 4A

EPM7032STC44-10 SMD  IC Altera TQFP-44

12.000 MHz  crystal oscillator quartz Quarz JQ HC49/U

1853-0042 transistor HP - Mot TO-92

SN75361AP  IC orig. TI DIP-8

1901-0096  diode axial   

AM27S35PC  IC AMD DIP-24

DK1a-E-L2-5V  print relay Aromat 5V 10A

OCC8001-01  IC SO-28 CCE  

1853-0056 transistor HP - Mot  vintage rare

1820-0307 IC HP - FSC DIP-14

TIP41C  transistor orig. Mot TO-220

BC307C  transistor TO-92

MACH110-20JC-24JI SMD IC Lattice PLCC-44

MSA-0386 MSA0386 SMD  IC HP

52559-2692  Steckverbinder FPC&FFC Molex 26pins

CXK58258AP-25  IC Sony DIP-28

FCB61C65LL-70T  IC Philips SO-28 *

SI1470DH-T1-E3 SMD RoHS  transistor Siliconix SC-70

P8086-2  IC Intel DIP-40  

AM9128-20PC  IC AMD DIP-24

KM28C65A-20  IC Samsung DIP-28

OP77EP  IC PMI DIP-8

D44H11  transistor orig. GE TO-220

TIP47  transistor orig. Mot TO-220

TIP111  transistor orig. TI TO-220

MAX487CPA  IC Maxim DIP-8

1853-0336   transistor HP - Mot TO-92

DG300ABK IC Siliconix CERDIP-14

FDH-400 FDH400  diode axial FSC  

P600G HR  diode axial GI

OT108 diode TO-220

1820-1053 DM7414PC IC orig. HP - FSC DIP-14

BC849C, 215 SMD RoHS  transistor NXP SOT-23

FIR3B41  transistor Toshiba

1853-0016  transistor HP - Mot TO-92

PCF80C851-12P  IC Philips DIP-40 (you get 2 pcs.]

trimmer capacitor - Trimmkondensator ceramic  3 to 10 pF 250V D:10x7mm

1826-0347 IC orig. HP - NSC DIP-14  spare part

HEF4001BD  IC Philips CERDIP-14  

MP7522LN IC Mot  DIP-28

AM8151APC IC AMD DIP-40

2N2907  transistor metal can golden leads

MC68HC000P10 IC Mot DIP-64

MAX3263CAG SMD  IC Maxim SSOP-24

W 2E 210111003  D-sub connector with solder cup /D-sub male 9pol

P83C654EFB/583 SMD  IC Philips QFP-44  

74477810 SMD RoHS  inductor - Drossel Wurth 10uH 1.68A 68 mOhm

8-188275-2 SMD RoHS  Board to Board & Mezzanine connector Tyco 12pos

RC42GF471K  resistor carbon Allen-Bradley 470 Ohm 2W 10%

 adapter IC-socket PLCC-68 to 68-pin

AM29F800BB-55EC SMD  IC AMD TSOP-48

DM74LS154N IC NSC DIP-24

KBU4G  rectifier   

DM74LS38N  IC NSC DIP-14

SN54LS00J  IC TI CERDIP-14

1N4737A RoHS  diode axial FSC DO-41

1N1566A diode radial Mot   

74VHC138MX 74VHC138M SMD RoHS  IC FSC SO-16  

2N3251A transistor orig. Mot metal can golden leads

ITS31160 transistor TO-92

MA47600 diode axial

OA72 diode axial glass vintage get the rare original

Stiftleiste - pin header  10-pol  2,54mm 90°

STPS140A SMD  diode schottky STM DO214AC 1A 40V

T491C106M025AS SMD  cap. tantal solid Kemet 10uF 25V 20% C-case

UA79M15AUC  transistor FSC TO-220

217001  fuse cartrige fast - Feinsicherung flink 1A Littlefuse - Tracor

1826-0447 IC HP - NSC metal can

BC177B  transistor Mot metal case  

1826-0753 IC HP-Mot

1853-0003  transistor HP-Mot metal can golden leads

J2069  transistor Siliconix  TO-92

W3123Z-33RJI RoHS  resistor Welwyn  wirewound 33 Ohm 5% 3W Z-form

2-08L5A rectifier Semikron SKB-serie

A1778/2 transistor orig. SGS metal can golden pins real old collectible part

78H05ASC  voltage regulator NEE TO-03

AD9235BCPZ-40 SMD RoHS IC AD VFQFN-32

1820-1406 IC orig. HP - TI DIP-16  

AT89C5122D-RDVIM SMD RoHS IC Atmel LQFP-64

EPM7128AETC100-10 SMD IC Altera TQFP-100

1826-0393  voltage regulator HP - NSC TO-220

MPQ3467 IC Mot DIP-14 transistor array

GP2Y0A21YK0F  sensor Sharp with plug

IS61LV2568L-10TL SMD  IC ISSI TSOP-II 44pins

MBM29LV004BC-70PTN SMD  IC Fujitsu TSOP-40 29LV004BC-70PTN

1820-0616 IC HP - NSC DIP-16

HDSP-3533 LED 7-segment display HP DIP-10

P8272A  IC Intel DIP-40  

SN74S08N  IC TI DIP-14

MR996A  diode axial Mot  

1N100 diode axial glass

SD75 22K  inductor - Induktivität NEOSID 22uh 5% 5mm

SN74LS148N  IC TI DIP-16

SN74ALS244BN  IC TI DIP-20

SD75 1K  inductor - Induktivität NEOSID 1uh 5% 5mm

SAB-C515-L16N SMD IC Siemens PLCC-68

LM2936DT-5.0/NOPB SMD RoHS  voltage regulator TO-252

TMS4161-15NL  IC DIP-20

TCO-903B  crystal oscillator quartz Toyocom 10.000000 MHz

DS12885 SMD  IC orig. Dallas TQFP-32

72245LB25PF SMD  IC IDT TQFP-64  

3042-70 M84 SMD IC Lucent PLCC-84

MC14412VL IC Mot CERDIP-16

TE28F020-150 E28F020-150  IC Intel TSOP-32

HEF4002BD  IC CERDIP-14  

SN74LS164N  IC TI DIP-14

P8237A-5  IC AMD DIP-40

MC10H016P  IC Mot DIP-16

OM321  IC hybrid wide band amplifier Philips SIL-7

2N4929 transistor Mot metal can

TMPZ84C015AF-6 SMD IC TI QFP-100

SNJ54HC373J   IC TI CERDIP-20

A2609W  Alcatel 6V

1820-0448 IC HP - FSC CERDIP-14

MC1020P IC orig. Mot DIP-14

SBC6-680-222 RoHS  inductor- Drossel NEC-Tokin 68uh 2.2A 90mOhm 10%

SN54LS132J   IC TI CERDIP-14

CD4001BCN MM5601BN  IC NSC DIP-14   

4816P-2-104LF SMD RoHS  resistor network Bourns SO-16M 100 kOhm 1.2W 2%

1820-0441 IC orig. HP - FSC DIP-14  

MC1558P IC orig. TI DIP-8

XC68HC912B32CFU8  SMD IC Mot QFP-80

AM27C512-150DC  IC AMD DIP-28

M27C512-70XF1  IC orig. ST CERDIP-28

M27C4002-10C1  IC ST PLCC-44

PIC18F248-I/SO SMD  IC Microchip SO-28

1820-1441 IC HP - NSC DIP-16 orig. HP replacement part

1820-2721 IC HP - NSC DIP-8 orig. HP replacement part

BFT66 transistor Siemens metal can

1820-1155 IC orig. HP - NSC DIP-14  spare part

L-934GD   opto 3mm LED Kingbright green T-1

B82141A1222K000 RoHS HF-choke Epcos fixed inductor axial 2.2uH 10% 0.63A

SAB-C167CR-LM AB SMD  IC Siemens QFP-144

1820-0939 IC HP - NSC DIP-14

GET875  transistor orig. Mullard

1853-0049 transistor HP - Mot TO-92

UA78M20U1 voltage regulator orig. FSC TO-220

ITS31160 transistor  TO-92

1850-0153 transistor HP - Mot metal can golden leads

QS3VH257PAG8 SMD RoHS  IC IDT TSSOP-16  taped

1N4007G  diode axial

BFR95 transistor metal can

1820-0904 IC HP - FSC DIP-16

MB8128-15 IC Fujitsu DIP-24  

SN54LS244J  IC Mot CERDIP-20

AM9150-35DC  IC orig. AMD CERDIP-24

1N4148  diode axial NSC

1820-0600 IC HP - NSC DIP-14

2N2926  transistor TO-96  

WSL2010R0200F TA18 SMD  resistor Vishay Dale 0.02 Ohm 1W 1% 2010

1910-0011  diode axial HP glass  

M8340105M4701GC  resistor network Dale SIL-8 4.7 Kohm 2% 1.4W MSM08

SN54LS32J  IC TI CERDIP-14   

SN74S163J  IC orig. TI CERDIP-16  

MM74HC154N MC74HC154N IC NSC DIP-24

BF014E0104K capacitor polyester  AVX 0.1uF 100V 10% rad. 5mm FOKO

SN74S51N  IC TI DIP-14

N82S180F IC Signetics CERDIP-24

N82S16F  IC Signetics CERDIP-16

1820-0413 IC orig. HP - Mot DIP-8   rare

1853-0050 transistor orig. HP - Mot metal can golden leads

SN75LBC241DW SMD  IC TI SO-28W  

XMC4200F64F256BAXQMA1 SMD RoHS  IC Infineon TQFP-64

HEF40373BD  IC orig. Philips CERDIP-20

036500 transistor NSC TO-220

1826-0035 IC HP - NSC metal can

RNS 1/4W  miniature metal film resistor leaded 15 Ohm 1% D1.7 x 3.7mm

CS20-12io1  thyristor IXYS TO-247AD  

1.5KE33CA  diode axial General Semiconductor

GA355DR7GB223KW01L SMD RoHS  capacitor Murata MLCC 22nf 250V 10% X7R 2220

1820-1057 IC HP - NSC DIP-16

1820-1216  IC orig. HP - NSC  

ECSF1CE225  capacitor rad. Panasonic tantal 2.2uF 16V 2.5mm

B82422A1332K100 SMD RoHS  inductor EPCOS 3.3uH 200mA 10% chip 1210

RPE131-911 X7R 103K 50 RoHS  capacitor MLCC Murata 10nF 50V RM=2.54mm

AT25320AN-10SU-2.7 SMD RoHS  IC Atmel SO-8

SAB80C535-N SMD  IC Siemens PLCC-68

CDP68HC68T1M2 SMD IC Intersil SO-20W

BZY60  diode axial

PC74HC4046AP  IC Philips DIP-16

1902-3369  diode axial HP  

HM514280AJ-7 SMD  IC Hitachi SOJ-40

OA73 diode axial glass

P4C188-20 IC Pyramid DIP-22

LF444CN  IC NSC DIP-814

DAC08CS  IC orig. PMI SO-16  

SN74LS290N  IC Mot DIP-14  

TDA2591 IC orig. Telefunken DIP-16

SN74LS243N  IC TI DIP-14

IH5032 IC Intersil DIP-16

CQY80N  IC TFK DIP-6

SN74LS245N  IC TI DIP-20

SN74S85N  IC orig. TI DIP-16  

BC179A  transistor Telefunken metal can

SN5405J IC orig. TI CERDIP-14

MC1414P IC Mot DIP-14

ICM7218AIPI IC Maxim DIP-28

SN7404N  IC TI DIP-14

BFQ19 SMD  IC Philips SOT-89

1901-0045  diode axial HP  

PEG123 MR2220Q  capacitor AL RIFA 22uF 63VDC ELYT LONG LIFE*

PN4275  transistor NSC TO-92

MJE700  transistor Mot TO-126  

MC12040P IC Mot DIP-14

BCY55 transistor

L005T1 transistor SGS-Ates TO-03

ASZ20 transistor Mullard metal can

BFX48 transistor metal can golden leads

SN7400N  IC TI DIP-14   

ACY18 transistor metal can

MC14025BCL IC orig. Mot CERDIP-14

MC14052BCP  IC Mot DIP-16  

DM74154N IC NSC DIP-24

2N4033  transistor Philips metal can

BF259 transistor RCA & TI metal can

SN7445N  IC orig. TI DIP-16  

MC7918CT  voltage regulator orig. Mot TO-220

MC1455G IC Mot metal can  

CA3054  IC orig. RCA DIP-14  

BF939  transistor orig. Philips TO-92

TS321ID  SMD RoHS  IC TI SO-8  taped

DAC0801LCN IC NSC DIP-16

1N4934  diode axial Mot  

MPU131 transistor Mot T0-92

BFY34 transistor Siemens metal can golden leads

125R500P  resistor cylindr. KDI 500 Ohm 1% D=3x13mm

BUZ21  transistor Siemens TO-220

1N4151  diode axial

2N1613 transistor orig. Mot metal can

L036T1 transistor SGS-Ates TO-03

74HCT20N  IC Philips DIP-14

VP0106 transistor Siliconix TO-92

2N2192A transistor TI metal can golden leads

BFW11 transistor metal can golden leads

IL-1 IC DIP-6 Litronix

KBP08  rectifier GI

CA3049T IC orig. RCA metal can

KBP02  rectifier GI

IM5600CP IC Intersil DIP-16

ADY13  transistor orig. Siemens metal can

BSY79 transistor orig. ITT metal can golden leads collectible part

IDT7140SA-70P 7140SA-70P IC IDT DIP-48

BTX18/500 thyristor metal can

AF134 transistor Telefunken metal can

AA132 diode axial TFK glass

2SA1175 A1175  transistor

1N3032B diode axial Mot metal case

BFY90  transistor metal can

AA119 diode axial Telefunken glass

1N3891  diode radial Mot metal case incl. mounting set

OA200  diode axial

BF960  transistor Philips

HZ7A2  diode axial

AC152 transistor Siemens metal can

1901-0385 diode axial HP glass  

IM5600CPE IC Intersil DIP-16

74HCT157D  IC Philips SO-16

BF247A  transistor orig. Philips TO-92

BCZ11  transistor Mullard metal can