ZTB485E Unbranded

CERAMIC RESONATORS EUROQUARTZ PART NUMBER CODING The part numbers for ZTB ceramic resonators are derived according to the following table: 1 3 2 4 5 Lead Length Part Number Frequency Frequency Range Tolerance and Form 3 alpha characters Digits represent An alpha character A combination of A combination of represent the frequency represents digits and alpha alpha characters frequency range of frequency range characters and digits represent a) the units kHz the resonator represent tolerance. lead length and is omitted form b) M indicates a) Alpha characters MHz. indicate lead length b) Digits indicate lead form ZTB indicates 455 ~ 455kHz D 190~249kHz 0 0.5% A ~ Short lead middle frequency D 250~374kHz 1 0.3% B ~ Long lead range 1.0M ~ 1MHz P 375~429kHz 2 0.2% C ~ Medium lead E 430~509kHz 5 2kHz (standard) P 510~699kHz 6 1kHz J 700~999kHz 7 0.7% a) The A J 1~1.25MHz 8 1.0% representing short lead is omitted. a) The 0 indicating 0 ~ straight lead standard tolerance 1 ~ single-bend is omitted. lead 2 ~ double-bend b) Tn indicates lead custom specification b) The ) indicating e.g. T1, T2 etc. straight lead is omitted. Lead Length Table Frequency Range A B C Example Part Number 190 to 249kHz (D) 8.0 ZTB 455 E 1 C1 250 to 374kHz (D) 7.0 6.0 375 to 429kHz (P) 4.0 6.0 Middle frequency range 455kHz 430 to 509kHz (E) 4.0 5.0 430~509 frequency range 510 to 699kHz (P) 4.0 5.0 Tolerance 0.3% 700 to 999kHz (J) 3.5 5.5 Medium lead (5mm), single-bend lead 1 to 1.25MHz (MJ) 3.5 5.5 EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE Tel: +44(0)1460 230000 Fax: +44(0)1460 230001 Email: sales euroquartz.co.uk www.euroquartz.co.uk Part Number Codes ExplanationCERAMIC RESONATORS EUROQUARTZ PART NUMBER CODES ZTB SERIES Lead Form (mm) Type0 Type 1 Type2 0-0.5 <1.0 (L) <1.0 (L) Type 1 (L) Type 2 (L) B1 3.00.5 A2 1.00.5 C1 3.00.5 Lead Specifications Equal-line Location Bias-line Location Lead Pitch Lead Thickness Lead Width Resonator Lead Alignment Lead Width Lead Pitch Lead Thickness Frequency 190~249kHz 1.60.3mm (Bias) 0.8mm 10mm 0.15mm 250~374kHz 1.60.3mm (Bias) 0.8mm 7.7mm 0.15mm 375~429kHz 0.3mm (Equal) 0.8mm 5mm 0.5mm 430~449kHz 0.3mm (Equal) 0.8mm 5mm 0.5mm 450~509kHz 0.3mm (Equal) 0.8mm 5mm 0.5mm 510~610kHz 0.3mm (Equal) 0.8mm 5mm 0.5mm 700~999kHz 0.3mm (Equal) 0.8mm 2.5mm 0.5mm 1 ~ 1.25MHz 0.3mm (Equal) 0.8mm 2.5mm 0.5mm EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE Tel: +44(0)1460 230000 Fax: +44(0)1460 230001 Email: sales euroquartz.co.uk www.euroquartz.co.uk