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KT101T Series
4PIN LSOP LOW INPUT CURRENT
PHOTOCOUPLER
z Description
The KT101T series consist of an infrared emitting
diode, optically coupled to a phototransistor detector, and is
incorporated in a 4 pin LSOP wide body package. It
features a high current transfer ratio, low coupling
capacitance and high isolation voltage.
z Schematic
1
2
4
3
z Features
1. Halogen free
2. Pb free and RoHS compliant
3. Temperature range -55℃ to 115℃
4. High isolation voltage 5000Vrms
5. Opaque type, SMD low profile 4 lead package
6. Current transfer ratio
(CTR : Min.50% at IF=1mA VCE=5V)
7. 8mm outer creepage distance
8. Low coupling capacitance
9. MSL class 1
10. Agency Approvals:
• UL Approved (No. E169586): UL1577
• c-UL Approved (No. E169586)
• VDE Approved (No. 40031267): DIN EN60747-5-5
• FIMKO Approved: EN60065, EN60950, EN60335, EN60601
• CQC Approved: GB8898-2011, GB4943.1-2011
1. Anode
2. Cathode
3. Emitter
4. Collector
z Applications
• Industrial controls
• Programmable controllers
• Switch mode power supplies
• Battery equipment.
• Office machine
Cosmo Electronics Corp.
Document No. 69P00008.3
-1-
http://www.cosmo-ic.com
cosmo
z Outside Dimension
KT101T Series
4PIN LSOP LOW INPUT CURRENT
PHOTOCOUPLER
Unit : mm
z Device Marking
cosmo
101T
YWW
TOLERANCE : ±0.2mm
Notes:
cosmo
101T□
YWW
□:CTR rank
Y: Year code / WW: Week code
Cosmo Electronics Corp.
Document No. 69P00008.3
-2-
http://www.cosmo-ic.com
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