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manufacturer of innovative discrete semiconductor solutions
Central Semiconductor

CM4957
25V,30mA,200mW Through-Hole Transistor-Small Signal (<=1A) PNP RF Oscillator
CM4957 product image
Documentation Links:
Device Datasheet
Case & Material Composition Datasheet
Chip Process Datasheet:CP617-CM4957
Item Number Status Description Packaging Base Availability ECCN Code HTS Code Part Marking: Request Samples
CM4957 Discontinued , Stock Only 25V,30mA,200mW Through-Hole Transistor-Small Signal (<=1A) PNP RF Oscillator Box@2,000 None
 EAR99 8541.21.0080 CEN CM4957 D/C 
Either
PBFREE
TIN/LEAD
CP617-CM4957-CM Discontinued , Stock Only 25V,30mA,200mW Bare die,15.700 X 15.700 mils,Transistor-Small Signal (<=1A) WafflePack@400 In Stock
 EAR99 8541.21.0040  
CP617-CM4957-CT Discontinued , Stock Only 25V,30mA,200mW Bare die,15.700 X 15.700 mils,Transistor-Small Signal (<=1A) WafflePack@400 In Stock
 EAR99 8541.21.0040  
CP617-CM4957-CT20 Discontinued , Stock Only 25V,30mA,200mW Bare die,15.700 X 15.700 mils,Transistor-Small Signal (<=1A) WafflePack@20 None
 EAR99 8541.21.0040  
CP617-CM4957-WN Discontinued , Stock Only 25V,30mA,200mW Bare die,15.700 X 15.700 mils,Transistor-Small Signal (<=1A) Wafer@44,140*</br>*Estimated, die qty will vary based on probing None
 EAR99 8541.21.0040  

Please note:
  1. If requesting Tin/Lead plated devices, add the suffix " TIN/LEAD" to the part number when ordering (example: 2N2222A TIN/LEAD).
  2. If requesting Lead (Pb) Free plated devices, add the suffix " PBFREE" to the part number when ordering (example: 2N2222A PBFREE).
A Central sales representative will confirm the availability of the plating type requested.

Additional Documentation Links:
Analytical Test Report:Bond Wire
Analytical Test Report:Pure Tin Solder
Analytical Test Report:Epoxy Adhesive
Analytical Test Report:Aluminum Wire
Spice Model:Spice Model CM4957
Material Composition:TO-72
Package Detail Document:TO-72
Product EOL Notice:RF TRANSISTOR DIE
Product Reliability Data:TO-72 Package Reliability

Alternate Devices with Different Packaging:
Datasheet
Part Number
Description
Packaging
Package
Details &
Composition
Status
Availability

CP617-CM4957 		25V,30mA,200mW Bare die,15.700 X 15.700 mils,Transistor-Small Signal (<=1A)
WaferForm, WafflePack
Discontinued, Stock Only

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