MAT14 Cebo spefification

Question

Hi All, 
 I received question mail from my customer as next. 
 The data sheet of MAT14 says that Cebo: 40pF typ at Vcb=15V, Ie=0, and f=1MHz. 
 My understanding of the Cebo is base-emitter capacitance at collector is open. 
 If my understanding is correct, why you state that Vcb=15V? 
 Mat04 says that Cebo: 40pF typ at Vbe=0V, Ic=0, f=1MHz, this seems reasonable condition. 
 Could you explain why Vcb=15V condition for the Cebo is stated? 
 
 Another question is the bulk resistance specification. 
 MAT14 rbe=0.4 ohm typ at 10uA<=Ic<=10mA. 
 For the MAT04, rbe=0.4ohm typ at 10uA<=Ic<=1mA 
 What is the main reason for this difference? 
 
 Best Regards, 
 Ricky

ADIApproved · Accepted Answer

Hi Murooka-san, 
 Yes, we verified that there are typos in the electrical table. 
 Cebo: Test condition should read Vbe = 0V 
 MAT14 should share the same test conditions as MAT04 ( 10uA<=Ic<=1mA) . 
 
 Thank you.)

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MAT14 Cebo spefification