2SC4957 NEC, 2SC4957 Datasheet
2SC4957
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2SC4957 Summary of contents
Page 1
... Embossed tape 8 mm wide. Pin1 (Collector), Pin2 (Emitter) face to perforation side of the tape. * Please contact with responsible NEC person, if you require evaluation sample. Unit sample quantity shall be 50 pcs. (Part No.: 2SC4957) ABSOLUTE MAXIMUM RATINGS (T Collector to Base Voltage Collector to Emitter Voltage Emitter to Base Voltage ...
Page 2
... GHz T C 0.3 0 21e NF 1.5 2 Pulsed ˚ Free Air 150 2SC4957 TEST CONDITION mA MHz* ...
Page 3
... COLLECTOR CURRENT GHz – Collector Current – FEED-BACK CAPACITANCE vs. COLLECTOR TO BASE VOLTAGE 0.5 0.4 0.3 0.2 0 – Collector to Base Voltage – 2SC4957 100 MHz ...
Page 4
... S 22 ANG MAG ANG 79.7 .991 –7.9 73.1 .962 –16.1 61.6 .916 –22.6 53.2 .870 –29.2 45.6 .813 –35.1 40.6 .764 –41.2 33.9 .706 –46.0 31.2 .662 –50.4 27 ...
Page 5
... S 22 ANG MAG ANG 73.7 .918 –17.3 65.2 .777 –28.8 60.3 .659 –34.0 56.2 .577 –38.0 58.4 .526 –40.5 53.6 .488 –44.5 51.9 .447 –46.9 49.3 .420 –51.2 48 ...
Page 6
... The quality grade of NEC devices in “Standard“ unless otherwise specified in NEC's Data Sheets or Data Books. If customers intend to use NEC devices for applications other than those specified for Standard quality grade, they should contact NEC Sales Representative in advance. Anti-radioactive design is not implemented in this product. 6 2SC4957 M4 94.11 ...