LT450U / LT455U
Transko Electronics, Inc. 3981 E. Miraloma Ave. CA 92806 USA
Tel: 714-528-8080 Fax: 714-528-8017 Website: www.transko.com E-mail: sales@transko.com
Transko Electronics, Inc. 3981 E. Miraloma Ave. Anaheim, CA 92806 USA
Tel: 714-528-8000 Fax: 714-528-8017 Website: www.transko.com E-mail: sales@transko.com
RoHS
Compliant
Rev 2: 03-04-2021
CERAMIC FILTER (3pins) - LT455-U / LT450-U Series
Transko Electronics, Inc reserves the right to make changes to the product (s), service (s), and specification (s) described herein without notice. See “Terms of Sale” for details on our website.
► 455 kHz Series
PART NUMBER
CENTER
FREQUENCY
(kHz)
INSERTION
LOSS (dB)
PASS BAND
RIPPLE (dB)
MAX.
STOP BAND
±100kHz
(dB) MIN.
INPUT/OUTPUT
IMPEDANCE(Ω)
40dB
BANDWIDTH
(kHz) MAX.
AT 6dB
BANDWIDTH
(kHz) MIN.
LT455BU 455 ± 2.0 4 2 30 1500 ± 30 ± 15
LT455CU 455 ± 2.0 4 2 30 1500 ± 24 ± 12.5
LT455DU 455 ± 1.5 4 2 30 1500 ± 20 ± 10
LT455EU 455 ± 1.5 6 2 30 1500 ± 15 ± 7.5
LT455FU 455 ± 1.5 6 2 30 2000 ± 12.5 ± 6
LT455GU 455 ± 1.5 6 2 30 2000 ± 10 ± 4.5
LT455HU 455 ± 1.0 6 2 30 2000 ± 9 ± 3
LT455IU 455 ± 1.0 6 2 30 2000 ± 7.5 ± 2
LT455HTU 455 ± 1.0 6 2 35 2000 ± 9 ± 3
PART NUMBER
CENTER
FREQUENCY
(kHz)
INSERTION
LOSS (dB)
PASS BAND
RIPPLE (dB)
MAX.
STOP BAND
±100kHz
(dB) MIN.
INPUT/OUTPUT
IMPEDANCE(���)
40dB
BANDWIDTH
(kHz) MAX.
AT 6dB
BANDWIDTH
(kHz) MIN.
LT450BU 450 ± 2.0 4 2 30 1500 ± 30 ± 15
LT450CU 450 ± 2.0 4 2 30 1500 ± 24 ± 12.5
LT450DU 450 ± 1.5 4 2 30 1500 ± 20 ± 10
LT450EU 450 ± 1.5 6 2 30 1500 ± 15 ± 7.5
LT450FU 450 ± 1.5 6 2 30 2000 ± 12.5 ± 6
LT450GU 450 ± 1.5 6 2 30 2000 ± 10 ± 4.5
LT450HU 450 ± 1.0 6 2 30 2000 ± 9 ± 3
LT450IU 450 ± 1.0 6 2 30 2000 ± 7.5 ± 2
LT450HTU 450 ± 1.0 6 2 35 2000 ± 9 ± 3
► 450 kHz Series
LT450U / LT455U
Transko Electronics, Inc. 3981 E. Miraloma Ave. CA 92806 USA
Tel: 714-528-8080 Fax: 714-528-8017 Website: www.transko.com E-mail: sales@transko.com
Transko Electronics, Inc. 3981 E. Miraloma Ave. Anaheim, CA 92806 USA
Tel: 714-528-8000 Fax: 714-528-8017 Website: www.transko.com E-mail: sales@transko.com
RoHS
Compliant
Rev 2: 03-04-2021
Transko Electronics, Inc reserves the right to make changes to the product (s), service (s), and specification (s) described herein without notice. See “Terms of Sale” for details on our website.
■ TEST CIRCUIT
■ PACKAGE DIMENSIONS
(1) INPUT
(2) GROUND
(3) OUTPUT
Unit: mm
RF
V.M.
Rg
R1
R2
S.S.G
1
3
2
Rg + R1 = R2 = INPUT/OUTPUT IMPEDANCE
4.0 ± 0.5
8.0 ± 0.5
7.0 ± 0.5
0.8 ± 0.3
(2)
(3)
(1)
2.7 ± 0.3
MARKING