Vintage Electronic Calculators:

Overview of Brands


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AKA: SACOM, AKA (Label): Model DK-102, Product number (P/N): DK102 (DK-102),
Keywords/Tags: DK102 (DK-102) | SACOM
Date of intro: ~1967, Dimensions: 550x420x230mm, Weight: 13000g,
Power: AC,
Display: Type = Display (Nixie) (List), Brand = HITACHI: CD61,
Number of keys: 18, #Key-Grey: 7, #Key-White: 11,
Decimal switch: [6-4-2-0], Round switch: [5/4_6-4-2-0],
Classification: / Desktop with Display,
Featuring: Logic-technology: DTL (Diode Transistor Logic), discrete components / SSI (Small Scale Integration),
Related with: (Cables): Female_2-Holes Rectang: 0025x0014x0020,
Components: 7 PCB(s),
Main Components: SANYO: DK10201AN; SANYO: DK1022; SANYO: DK1023B; SANYO: DK1024B; SANYO: DK1025B; SANYO: DK1026B; SANYO: 102SB,
Known Serial-numbers: 200211 (List of all S/Ns from SANYO)
Collector value: 9.5/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Info: Early combination of discrete components and Small-Scale Integrated Circuits (DTL) from MITSUBISHI.
Since there's a lot of space left over in the internal cabinet, one could suppose the same cabinet was used for a model introduced before this one (SANYO: DK*), containg no IC's, hence needing more space and/or extra PCB's.



Lot of internal space left over in the cabine

Internals (keyboard)

Internals (power supply) / Internals (backPlane)

Internals (power supply)

Internals (power supply) / Internals (backPlane)

Internals (PCB)

Internals (PCB)

Label, name plate
S/N: 200211

Protection (dust cover)

Created: 17-feb-2019, Manual-update: 29-jun-2019, Batch-update: 15-sep-2023             

# Pageloads since 17-feb-2019 : 62             

11 Pic(s),


If you have a (better) personal picture and/or missing info about any model not listed: Please do send a Mail