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  kf00 series very low drop voltage regulators with inhibit june 1998 n very low dropout voltage (0.4v) n very low quiescent current (typ. 50 m a in off mode, 500 m ainon mode) n output current up to 500 ma n logic-controlled electronic shutdown n output voltages of 1.25; 1.5; 2.5; 2.7; 3; 3.3; 3.5; 4; 4.5; 4.7; 5; 5.2; 5.5; 6; 8; 8.5; 12v n internal current and thermal limit n only 2.2 m f for stability n available in 2% accuracy at 25 o c n supply voltage rejection: 70 db (typ.) n temperature range: -40 to 125 o c description the kf00 series are very low drop regulators available in so-8 package and in a wide range of output voltages. the very low drop voltage (0.4v) and the very low quiescent current make them particularly suitable for low noise, low power applications and specially in battery powered systems. a shutdown logic control function is available (pin 5, ttl compatible). this means that when the device is used as a local regulator, it is possible to put a part of the board in standby, decreasing the total power consumption. it requires only a 2.2 m f capacitor for stability allowing space and cost saving. schematic diagram 1 3 dpak so-8 ? 1/16
absolute maximum ratings symbol parameter value unit v i dc input voltage -0.5 to 20 v i o output current internally limited p tot power dissipation internally limited t stg storage temperature range - 40 to 150 o c t op operating junction temperature range - 40 to 125 o c connection diagram (top view) thermal data symbol parameter dpak so-8 unit r thj-case thermal resistance junction-case 8 20 o c/w dpak so-8 kf00 2/16
ordering numbers type so-8 dpak output voltage kf12 (*) kf15 (*) kf25 kf27 kf30 kf33 kf35 (*) kf40 kf45 (*) kf47 KF50 kf52 kf55 (*) kf60 kf80 kf85 kf120 kf12bd kf15bd kf25bd kf27bd kf30bd kf33bd kf35bd kf40bd kf45bd kf47bd KF50bd kf52bd kf55bd kf60bd kf80bd kf85bd kf120bd kf12bdt kf15bdt kf25bdt kf27bdt kf30bdt kf33bdt kf35bdt kf40bdt kf45bdt kf47bdt KF50bdt kf52bdt kf55bdt kf60bdt kf80bdt kf85bdt kf120bdt 1.25 v 1.5 v 2.5 v 2.7 v 3v 3.3 v 3.5 v 4v 4.5 v 4.75 v 5v 5.2 v 5.5 v 6v 8v 8.5v 12 v (*) available on request test circuits kf00 3/16
electrical characteristics for kf12 (refer to the test circuits, t j =25 o c, c i = 0.1 m f, c o = 2.2 m f unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage i o =50ma, v i = 3.3 v i o =50ma, v i = 3.3 v -25 electrical characteristics for kf25 (refer to the test circuits, t j =25 o c, c i = 0.1 m f, c o = 2.2 m f unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage i o =50ma, v i = 4.5 v i o =50ma, v i = 4.5 v -25 electrical characteristics for kf30 (refer to the test circuits, t j =25 o c, c i = 0.1 m f, c o = 2.2 m f unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage i o =50ma, v i =5v i o =50ma, v i = 5 v -25 electrical characteristics for kf35 (refer to the test circuits, t j =25 o c, c i = 0.1 m f, c o = 2.2 m f unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage i o =50ma, v i = 5.5 v i o =50ma, v i = 5.5 v -25 electrical characteristics for kf45 (refer to the test circuits, t j =25 o c, c i = 0.1 m f, c o = 2.2 m f unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage i o =50ma, v i = 6.5 v i o =50ma, v i = 6.5 v -25 electrical characteristics for KF50 (refer to the test circuits, t j =25 o c, c i = 0.1 m f, c o = 2.2 m f unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage i o =50ma, v i =7v i o =50ma, v i = 7 v -25 electrical characteristics for kf55 (refer to the test circuits, t j =25 o c, c i = 0.1 m f, c o = 2.2 m f unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage i o =50ma, v i = 7.5 v i o =50ma, v i = 7.5 v -25 electrical characteristics for kf80b (refer to the test circuits, t j =25 o c, c i = 0.1 m f, c o = 2.2 m f unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage i o =50ma, v i =10v i o =50ma, v i = 10 v -25 electrical characteristics for kf120b (refer to the test circuits, t j =25 o c, c i = 0.1 m f, c o = 2.2 m f unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage i o =50ma, v i =14v i o =50ma, v i = 14 v -25 dropout voltage vs output current supply current vs input voltage short circuit current vs input voltage supply current vs input voltage supply voltage rejection vs input voltage typical performance characteristics (unless otherwise specified v o(nom) = 3.3v) dropout voltage vs temperature kf00 13/16
dim. mm inch min. typ. max. min. typ. max. a 1.75 0.068 a1 0.1 0.25 0.003 0.009 a2 1.65 0.064 a3 0.65 0.85 0.025 0.033 b 0.35 0.48 0.013 0.018 b1 0.19 0.25 0.007 0.010 c 0.25 0.5 0.010 0.019 c1 45 (typ.) d 4.8 5.0 0.188 0.196 e 5.8 6.2 0.228 0.244 e 1.27 0.050 e3 3.81 0.150 f 3.8 4.0 0.14 0.157 l 0.4 1.27 0.015 0.050 m 0.6 0.023 s 8 (max.) 0016023 so-8 mechanical data kf00 14/16
dim. mm inch min. typ. max. min. typ. max. a 2.2 2.4 0.086 0.094 a1 0.9 1.1 0.035 0.043 a2 0.03 0.23 0.001 0.009 b 0.64 0.9 0.025 0.035 b2 5.2 5.4 0.204 0.212 c 0.45 0.6 0.017 0.023 c2 0.48 0.6 0.019 0.023 d 6 6.2 0.236 0.244 e 6.4 6.6 0.252 0.260 g 4.4 4.6 0.173 0.181 h 9.35 10.1 0.368 0.397 l2 0.8 0.031 l4 0.6 1 0.023 0.039 == d l2 l4 13 == b e == b2 g 2 a c2 c h a1 detail oao a2 detail oao to-252 (dpak) mechanical data 0068772-b kf00 15/16
information furnished is believed to be accurate and reliable. however, stmicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of stmicroelectronics. specification mentioned in this publication are subject to change without notice. this publication supersedes and replaces all information previously supplied. stmicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of stmicroelectronics. the st logo is a trademark of stmicroelectronics ? 1998 stmicroelectronics printed in italy all rights reserved stmicroelectronics group of companies australia - brazil - canada - china - france - germany - italy - japan - korea - malaysia - malta - morocco - the netherlands - singapore - spain - sweden - switzerland - taiwan - thailand - united kingdom - u.s.a. . kf00 16/16


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Price & Availability of KF50
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Verical

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TTI

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TME

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 STMicroelectronics INSTOCK RFQ
90
ERJ-L1DKF50MU
 Panasonic Electronic Components INSTOCK RFQ
5200
L-KLS2-EDKF-5.08-10P-4S
 INSTOCK RFQ
2564
ERJL14KF50MU
 INSTOCK RFQ
3532

Avnet Abacus

Part # Manufacturer Description Price BuyNow  Qty.
ERJL03KF50MV
ERJL03KF50MV		 Panasonic Electronic Components SMD Current Sense Resistor, 50 Milliohm, � 1%, 200 mW, 0603 [1608 Metric], Thick Film - Tape and Reel (Alt: ERJL03KF50MV) BuyNow
10000
ERJL08KF50MV
ERJL08KF50MV		 Panasonic Electronic Components SMD Current Sense Resistor, 50 Milliohm, � 1%, 330 mW, 1206 [3216 Metric], Thick Film - Tape and Reel (Alt: ERJL08KF50MV) BuyNow
5000
DKF503N5
DKF503N5		 Amphenol Corporation NTC glass encapsulated thermistor 50000Ohm �5% 2-Pin DO-35 Loose Piece (Alt: DKF503N5) BuyNow
0
DKF503B10
DKF503B10		 Amphenol Corporation (Alt: DKF503B10) BuyNow
0
ERJL1WKF50MU
ERJL1WKF50MU		 Panasonic Electronic Components SMD Current Sense Resistor, 50 Milliohm, � 1%, 1 W, 2512 [6432 Metric], Thick Film - Tape and Reel (Alt: ERJL1WKF50MU) BuyNow
0

Avnet Silica

Part # Manufacturer Description Price BuyNow  Qty.
KF50BDT-TR
KF50BDT-TR		 STMicroelectronics LDO Regulator Pos 5V 0.5A 3-Pin(2+Tab) DPAK T/R (Alt: KF50BDT-TR) BuyNow
62500
KF50BD-TR
KF50BD-TR		 STMicroelectronics LDO Regulator Pos 5V 0.5A 8-Pin SO N T/R (Alt: KF50BD-TR) BuyNow
17500

Chip Stock

Part # Manufacturer Description Price BuyNow  Qty.
KF50BD-TR
 STMicroelectronics RFQ
1864
ERJL06KF50MV
 Panasonic Electronic Components RFQ
78474

Chip1Stop

Part # Manufacturer Description Price BuyNow  Qty.
ERJ-L03KF50MV
C1S600600450991		 Panasonic Electronic Components Res Thick Film 0603 0.05 Ohm 1% 0.2W(1/5W) ?200ppm/C Molded SMD Automotive Punched T/R 2000: USD0.0959
1000: USD0.103
500: USD0.108
200: USD0.114
100: USD0.124
50: USD0.134
10: USD0.256
 BuyNow
3729

Component Electronics, Inc

Part # Manufacturer Description Price BuyNow  Qty.
KF50BDT-TR
 STMicroelectronics IN STOCK SHIP TODAY 1000: USD0.8
100: USD0.92
1: USD1.23
 BuyNow
41
ERJ-L1WKF50MU
 Panasonic Electronic Components IN STOCK SHIP TODAY 1000: USD0.5
100: USD0.58
1: USD0.77
 BuyNow
2800
KF50BD
 STMicroelectronics IN STOCK SHIP TODAY 1000: USD1.25
100: USD1.44
1: USD1.92
 BuyNow
23
ERJ-L14KF50MU
 Panasonic Electronic Components IN STOCK SHIP TODAY 1000: USD0.43
100: USD0.49
1: USD0.65
 BuyNow
2000

ES Components

Part # Manufacturer Description Price BuyNow  Qty.
TA33-500KF500KF
 Vishay Sfernice SF TA33 500K 1% 1% (50 ppm) BARE DIE RFQ
3024

Maritex

Part # Manufacturer Description Price BuyNow  Qty.
2EDGKF-5.0-10P-14-00Z(H)
2EDGKF-5.0-10P-14-00ZH		 Degson Electronics Co Ltd Pluggable terminal block; 5.00mm pitch; 10-ways; female; for wire 2.50mm2(28-12AWG); wire insertion direction same as plug-in direction; p.bronze contacts; brass cage; UL 300V/15A 1000: USD2.048
500: USD2.193
100: USD2.341
1: USD2.927
 BuyNow
87
2EDGKF-5.0-06P-14-00Z(H)
2EDGKF-5.0-06P-14-00ZH		 Degson Electronics Co Ltd Pluggable terminal block; 5.00mm pitch; 6-ways; female; for wire 2.50mm2(28-12AWG); wire insertion direction same as plug-in direction; p.bronze contacts; brass cage; UL 300V/15A 1000: USD1.256
500: USD1.404
100: USD1.49
1: USD1.842
 BuyNow
100
2EDGKF-5.08-05P-14-1000Z(H)
2EDGKF-5.08-05P-14-1000ZH		 Degson Electronics Co Ltd Pluggable terminal block; 5.08mm pitch; 5-ways; female; for wire 2.50mm2(28-12AWG); wire insertion direction same as plug-in direction; p.bronze contacts; brass cage; UL 300V/15A 1000: USD0.876
500: USD1.022
100: USD1.111
1: USD1.256
 BuyNow
100
2EDGKF-5.0-03P-14-00Z(H)
2EDGKF-5.0-03P-14-00ZH		 Degson Electronics Co Ltd Pluggable terminal block; 5.00mm pitch; 3-ways; female; for wire 2.50mm2(28-12AWG); wire insertion direction same as plug-in direction; p.bronze contacts; brass cage; UL 300V/15A 1000: USD0.525
500: USD0.543
100: USD0.583
1: USD0.701
 BuyNow
4
2EDGKF-5.0-05P-14-00Z(H)
2EDGKF-5.0-05P-14-00ZH		 Degson Electronics Co Ltd Pluggable terminal block; 5.00mm pitch; 5-ways; female; for wire 2.50mm2(28-12AWG); wire insertion direction same as plug-in direction; p.bronze contacts; brass cage; UL 300V/15A 1000: USD1.039
500: USD1.08
100: USD1.169
1: USD1.462
 BuyNow
100

Master Electronics

Part # Manufacturer Description Price BuyNow  Qty.
KF-505
 Waldom Electronics 260: USD0.1268
100: USD0.1353
60: USD0.1615
20: USD0.1665
 BuyNow
40
KF-506
 Waldom Electronics 260: USD0.1178
100: USD0.1268
60: USD0.1518
20: USD0.1568
 BuyNow
40

Neutron USA

Part # Manufacturer Description Price BuyNow  Qty.
4 RKF 50-10/CS11577
 TURCK Inc 4 RKF 50-10/CS11577; U-11325 1: USD787.62
 BuyNow
1
RSF RKF 50/22
 TURCK Inc Connector Adapter 7/8-16UN Male to Female 5 Pin Panel Mount U2309-5 1: USD137.87
 BuyNow
1
KF5001
 ifm efector inc Capacitive Proximity Sensor, M12 barrel flush, R: 1 - 6 mm , NO, PNP, 100 mA, M12 Conn, IP 65 1: USD336.05
 BuyNow
39
RKF 50-0.5M W/LN
 TURCK Inc Connector; 7/8-16UN; Female Receptacle; 5 Wire; Panel Mount; 0.5 Meter Wire 1: USD57.91
 BuyNow
0
RKF 50-0.5M
 TURCK Inc Cordset, Str 7/8-16UN Female 5 pos to wire leads,1/2-14 NPSM Mt, 5x18AWG 0.5m, 105 C, PVC 600 V 9 A 1: USD71.61
 BuyNow
0

New Advantage Corporation

Part # Manufacturer Description Price BuyNow  Qty.
ERJ-L08KF50MV
 Panasonic Electronic Components ERJ Series 1206 50 mOhm 0.33 W �1 % �100 ppm/�C SMT Thick Film Chip Resistor 5000: USD0.1486
10000: USD0.1387
 BuyNow
10000
ERJL03KF50MV
 Panasonic Electronic Components RES SMD 0603 50M0 1% 0.2W 200PPM T&R 5000: USD0.1845
10000: USD0.1707
 BuyNow
10000
ERJ-L14KF50MU
 Panasonic Electronic Components 5000: USD0.1929
20000: USD0.18
 BuyNow
20000
ERJ-L03KF50MV
 Panasonic Electronic Components ERJ Series 0603 50 mOhm 0.2 W �1 % �200 ppm/�C SMT Thick Film Chip Resistor 5000: USD0.1334
10000: USD0.1245
 BuyNow
10000
ERJ-L12KF50MU
 Panasonic Electronic Components ERJ Series 1812 50 mOhm 0.5 W �1 % �100 ppm/�C SMT Thick Film Chip Resistor 5000: USD0.2577
 BuyNow
5000

Ozdisan Elektronik

Part # Manufacturer Description Price BuyNow  Qty.
2EDGKF-5.0-04P-11-06AH
 Degson Electronics Co Ltd TERM.BLK.5.00MM 4P FEMALE GRAY RFQ
140
2EDGKF-5.0-04P-14-00AH
 Degson Electronics Co Ltd TERM.BLK.5.00MM 4P FEMALE GREEN RFQ
2984
2EDGKF-5.0-08P-14-00AH
 Degson Electronics Co Ltd TERM.BLK.5.08MM 8P PLUGGABLE FEMALE GREEN RFQ
0
2EDGKF-5.0-12P-14-00AH
 Degson Electronics Co Ltd TERM.BLK.5.08MM 12P PLUGGABLE FEMALE GREEN RFQ
0
ERJ-2RKF5001X
 Panasonic Electronic Components RES.(1005) 0402 5K Ohms 1% 1/10W 100PPM RFQ
0

Perfect Parts Corporation

Part # Manufacturer Description Price BuyNow  Qty.
KF50
 STMicroelectronics RFQ
22
KF50N06P-U/P
 KEC RFQ
2688
KF50BDT-TR
 MFG UPON REQUEST RFQ
853
KF50BDT-TR
 STMicroelectronics RFQ
471169
ERJ-L08KF50MV
 Panasonic Electronic Components RFQ
151677

South Electronics

Part # Manufacturer Description Price BuyNow  Qty.
KF50BDT-TR
 STMicroelectronics KF50BDT-TR RFQ
0
ERJ-L08KF50MV
 Panasonic Electronic Components ERJ-L08KF50MV RFQ
0
ERJ-L1WKF50MU
 Panasonic Electronic Components ERJ-L1WKF50MU RFQ
0
ERJ-L14KF50MU
 Panasonic Electronic Components ERJ-L14KF50MU RFQ
0
KF50BD-TR
 STMicroelectronics KF50BD-TR RFQ
0

TestEquity LLC

Part # Manufacturer Description Price BuyNow  Qty.
33KFKF50C
20000007		 Anritsu Anritsu 33KFKF50C Adapter, Calibration Grade, DC to 43.5 GHz, K(f) X2, 50 Ohm, 33 Series 1: USD740
 BuyNow
0
TOSLKF50A-40
20000051		 Anritsu Anritsu TOSLKF50A-40 Coaxial Calibration Kit, Type K(f), DC to 40 GHz, 50 Ohm 1: USD4235
 BuyNow
0
TOSLKF50A-20
26896.1		 Anritsu ANU TOSLKF50A-20 1: USD2510
 BuyNow
0
33KKF50C
20000006		 Anritsu Anritsu 33KKF50C Adapter, Calibration Grade, DC to 43.5 GHz, K(m)-K(f), 50 Ohm, 33 Series 1: USD740
 BuyNow
0

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