Common Cathode Silicon Variable Capacitance Diode Infineon BB814E6359HTMA1 for Enhanced FM Radio Tuning

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Product Description

Product Overview

The BB814 is a Silicon Variable Capacitance Diode designed for FM radio tuners with an extended frequency band. It offers a high tuning ratio at low supply voltage, making it suitable for car radio applications. Featuring a monolithic chip with a common cathode configuration for perfect dual diode tracking, the BB814 is available with coded capacitance groups and group matching. This Pb-free (RoHS compliant) package ensures environmental compatibility.

Product Attributes

Brand: Infineon Technologies
Package Type: SOT23
Configuration: Common cathode
Certifications: Pb-free (RoHS compliant)

Technical Specifications

Parameter	Symbol	Value	Unit	Notes
Diode reverse voltage	VR	18	V	Maximum Ratings at TA = 25C
Peak reverse voltage	VRM	20	V	Maximum Ratings at TA = 25C
Forward current	IF	50	mA	Maximum Ratings at TA = 25C
Operating temperature range	Top	-55 ... 125	C	Maximum Ratings at TA = 25C
Storage temperature	Tstg	-55 ... 150	C	Maximum Ratings at TA = 25C
Reverse current	IR	-	nA	VR = 16 V, TA = 25C (max)
Reverse current	IR	-	nA	VR = 16 V, TA = 60C (max)
Diode capacitance	CT	43 ... 46.5	pF	VR = 2 V, f = 1 MHz (min/max)
Diode capacitance	CT	19.1 ... 22.7	pF	VR = 8 V, f = 1 MHz (min/max)
Capacitance ratio	CT2/CT8	2.05 ... 2.25	-	VR = 2 V, VR = 8 V, f = 1 MHz (min/typ/max)
Capacitance matching	CT/CT	- 3	%	VR = 2 V, VR = 8 V, f = 1 MHz (max)
Series resistance	rS	- 0.18 -		VR = 2 V, f = 100 MHz (typ)
Q factor	Q	- 200 -	-	f = 100 MHz, VR = 2 V (typ)
Inductance	LS (nH)	1.8	nH	SOT23
Marking		SH1/2*		*For differences see next page