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Part: 2SK1578

Category:
 Discrete
   -> Transistors
     -> FETs (Field Effect Transistors)
       -> JFETs (Junction-FETs)

Description: N-channel Junction Fet, Capacitor Microphone Application

Company: Sanyo Semiconductor Corporation

Datasheet: Download 2SK1578 datasheet     File size : 73 kB

Request For quote: Find where to buy 2SK1578



Datasheet text preview:
Ordering number:EN4178A

N-Channel Junction FET

2SK1578
Capacitor Microphone Applications
Features
· Especially suited for use in audio, telephone capacitor microphones. · Excellent voltage characteristics. · Excellent transient characteristics. · Adoption of FBET process.

Package Dimensions
unit:mm 2034A
[2SK1578]
4.0 2.2

0.4 0.5

0.6
0.4

1.8 15.0

3.0

0.4

12 1.3

3 1.3

Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter Gate-to-Drain Voltage Gate Current Drain Current Allowable Power Dissipation Channel Temperature Storage Temperature Symbol VGDO IG ID PD Tj Tstg Conditions

3.0 3.8nom

1 : Source 2 : Gate 3 : Drain SANYO : SPA

0.7

0.7

Ratings ­20 10 1 100 150 ­55 to +150

Unit V mA mA mW
°C °C

Electrical Characteristics at Ta = 25°C
Parameter Gate-to-Drain Breakdown Voltage Cutoff Voltage Zero-Gate Votlage Drain Current Forward Transfer Admittance Input Capacitance Reverse Transfer Capacitance Symbol V(BR)GDO IG=­100µA VGS(off) IDSS | yfs | Ciss Crss VDS=5V, ID=1µA VDS=5V, VGS=0 VDS=5V, VDS=5V, VGS=0, f=1MHz VGS=0, f=1MHz VDS=5V, VGS=0, f=1MHz Conditions Ratings min ­20 ­0.2 100* 0.4 1.2 4.1 0.88 ­0.6 ­1.5 800* typ max Unit V V µA mS pF pF

* : The 2SK1578 is classified by IDSS as follows : (unit : µA)
100 A 170 150 B 240 210 C 350 320

D

480

440

E

800

Any and all SANYO products described or contained herein do not have specifications that can handle a p p l i c a t i o n s that require extremely high levels of reliability, s u c h as life-support systems, a i r c r a f t ' s c o n t r o l systems, o r other applications whose failure can be reasonably expected to result in serious p h y s i c a l and/or material damage. Consult with your SANYO representative nearest you before using a n y SANYO products described or contained herein in such applications. SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges,or other p a r a m e t e r s ) listed in products specifications of any and all SANYO products described or contained herein.

SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
61599TH (KT)/72297TS (KOTO)/12094TH (KOTO) 8-7215 No.4178­1/4

2SK1578
Parameter Symbol Conditions Ratings min typ ­3.0 ­1.2 25 700 1.0 ­110 ­3.5 ­1.0 max Unit

[Ta=25°C, VCC=4.5V, RL=1k, CIN=15pF, See specified Test Circuit.] Voltage Gain GV VIN=10mV, f=1kHz Reduced Voltage Characteristics Frequency Characteristics Input Resistance Output Resistance Total Harmonic Distortion Output Noise Voltage GVV GVf ZIN ZO THD VNO VIN=10mV, f=1kHz, VCC=4.5 1.5V f=1kHz to 110Hz f=1kHz f=1kHz VIN=10mV, f=1kHz VIN=0, A curve

dB dB dB m % dB

Test Circuit

No.4178­2/4

2SK1578

No.4178­3/4

2SK1578

Specifications of any and all SANYO products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer's products or equipment. SANYO Electric Co., Ltd. strives to supply high-quality high-reliability products. However, any and all s e m i c o n d u c t o r products fail with some probability. It is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. I n the event that any or all SANYO products(including technical data,services) described or contained herein are controlled under any of applicable local export control laws and regulations, s u c h products must not be expor t e d without obtaining the expor t license from the authorities c o n c e r n e d in accordance with the above law. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or m e c h a n i c a l , including photocopying and recording, or any information storage or retrieval system, o r otherwise, without the prior written permission of SANYO Electric Co., Ltd. Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the SANYO product that you intend to use. I n f o r m a t i o n (including circuit diagrams and circuit parameters) herein is for example only ; it is not g u a r a n t e e d for volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties.
This catalog provides information as of June, 1999. Specifications and information herein are subject to change without notice.
PS No.4178­4/4




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