Automotive Radio Silicon Variable Capacitance Diode Infineon BB914 Featuring Monolithic Chip Design

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Product Description

Product Overview

The BB914 is a Silicon Variable Capacitance Diode designed for FM radio tuners, featuring an extended frequency band and high tuning ratio at low supply voltage, making it ideal for car radio applications. Its monolithic chip with common cathode configuration ensures perfect dual diode tracking, while offering good linearity for C-V curve and a high figure of merit. This Pb-free (RoHS compliant) component is available in a SOT23 package.

Product Attributes

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

Technical Specifications

Parameter	Symbol	Value	Unit	Notes
Diode reverse voltage	VR	18	V
Peak reverse voltage	VRM	20	V	(R 5k)
Forward current	IF	50	mA
Operating temperature range	Top	-55 ... 125	C
Storage temperature	Tstg	-55 ... 150	C
Diode capacitance	CT	42.5 typ.	pF	VR = 2 V, f = 1 MHz
Diode capacitance	CT	17.6 typ.	pF	VR = 8 V, f = 1 MHz
Capacitance ratio	CT2/CT8	2.34 typ.		VR = 2 V, VR = 8 V, f = 1 MHz
Capacitance matching	CT/CT	1.5 max.	%	VR = 2 V, VR = 8 V, f = 1 MHz
Series resistance	rS	0.28 typ.		VR = 2 V, f = 100 MHz
Diode reverse current	IR	200 max.	nA	VR = 16 V, TA = 85 C
Diode reverse current	IR	20 max.	nA	VR = 16 V, TA = 25 C
Inductance	LS	1.8	nH