Please enter a valid full or partial manufacturer part number with a minimum of 3 letters or numbers

    T4016 Search Results

    T4016 Result Highlights (1)

    Part ECAD Model Manufacturer Description Download Buy
    59132-T40-16-145LF Amphenol Communications Solutions Minitek® 2.00mm, Board to Board Connector, Unshrouded Vertical Stacking Header, Through Hole, Double Row, 32 Positions, 2.00mm (0.079in) Pitch Visit Amphenol Communications Solutions
    SF Impression Pixel

    T4016 Price and Stock

    Rochester Electronics LLC CAT4016VSR-T2

    IC LED DRVR LIN PWM 80MA 24QSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey CAT4016VSR-T2 Bulk 11,996 360
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.83
    • 10000 $0.83
    Buy Now

    onsemi CAT4016Y-T2

    IC LED DRVR LIN PWM 80MA 24TSSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey CAT4016Y-T2 Reel 8,000 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.96763
    Buy Now
    CAT4016Y-T2 Cut Tape 1,881 1
    • 1 $2.31
    • 10 $2.072
    • 100 $1.5637
    • 1000 $1.05549
    • 10000 $1.05549
    Buy Now
    Mouser Electronics CAT4016Y-T2 83,323
    • 1 $2.31
    • 10 $1.87
    • 100 $1.57
    • 1000 $1.06
    • 10000 $0.977
    Buy Now
    Avnet Silica CAT4016Y-T2 21 Weeks 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now
    Chip1Stop CAT4016Y-T2 Cut Tape 658
    • 1 $2.07
    • 10 $1.86
    • 100 $1.4
    • 1000 $1.19
    • 10000 $1.19
    Buy Now
    EBV Elektronik CAT4016Y-T2 17 Weeks 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now

    Flip Electronics CAT4016HV6-T2

    IC LED DRIVER 80MA 24TQFN
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey CAT4016HV6-T2 Reel 4,720 500
    • 1 -
    • 10 -
    • 100 -
    • 1000 $1
    • 10000 $1
    Buy Now

    Rochester Electronics LLC CAT4016W-T1

    IC LED DRVR LIN PWM 80MA 24SOIC
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey CAT4016W-T1 Bulk 3,360 309
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.97
    • 10000 $0.97
    Buy Now

    onsemi CAT4016HV6-GT2

    IC LED DRVR LIN PWM 80MA 24TQFN
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey CAT4016HV6-GT2 Cut Tape 3,255 1
    • 1 $1.63
    • 10 $1.46
    • 100 $1.0643
    • 1000 $0.693
    • 10000 $0.693
    Buy Now
    Avnet Americas CAT4016HV6-GT2 Reel 20 Weeks 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.68614
    Buy Now
    Mouser Electronics CAT4016HV6-GT2 11,750
    • 1 $1.59
    • 10 $1.36
    • 100 $0.941
    • 1000 $0.693
    • 10000 $0.627
    Buy Now
    Newark CAT4016HV6-GT2 Cut Tape 1,527 1
    • 1 $1.54
    • 10 $1.26
    • 100 $0.978
    • 1000 $0.721
    • 10000 $0.721
    Buy Now
    Rochester Electronics CAT4016HV6-GT2 943 1
    • 1 $0.7147
    • 10 $0.7147
    • 100 $0.6718
    • 1000 $0.6075
    • 10000 $0.6075
    Buy Now
    Avnet Silica CAT4016HV6-GT2 21 Weeks 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now
    EBV Elektronik CAT4016HV6-GT2 11 Weeks 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now
    Wuhan P&S CAT4016HV6-GT2 552 1
    • 1 $1.71
    • 10 $1.71
    • 100 $1.1
    • 1000 $0.83
    • 10000 $0.83
    Buy Now

    T4016 Datasheets (24)

    Part ECAD Model Manufacturer Description Curated Type PDF
    T40/16 USHA Thyristor. D.C. motor control, controlled rectifiers, A.C. controllers. Vrrm = 1600V, Vrsm = 1700V. Original PDF
    T4016-022 OMRON Industrial Automation T4016, 2NC+2NO, NO ACT, 3 X 0.5 Original PDF
    T4016-022F1M OMRON Industrial Automation T4016, 2NC+2NO, FLEX 1 ACT, 3X0. Original PDF
    T4016-022F2M OMRON Industrial Automation T4016, 2NC+2NO, FLEX 2 ACT 3X0.5 Original PDF
    T4016-022SM OMRON Industrial Automation T4016, 2NC+2NO, 90 ACT, 3 X 0.5 Original PDF
    T4016-022TM OMRON Industrial Automation T4016, 2NC+2NO, FLAT ACT, 3 X 0. Original PDF
    T4016-031 OMRON Industrial Automation T4016, 3NC+1NO, NO ACT, 3 X 0.5 Original PDF
    T4016-031F1M OMRON Industrial Automation T4016, 3NC+1NO, FLEX ACT, 3 X 0. Original PDF
    T4016-031F2M OMRON Industrial Automation T4016, 3NC+1NO, FLEX 2 ACT, 3X0. Original PDF
    T4016-031SM Omron Automation and Safety Switches - Snap Action, Limit Switches - SWITCH SAFETY 3PST-NC 4A 230V Original PDF
    T4016-031TM Omron Automation and Safety Switches - Snap Action, Limit Switches - SWITCH SAFETY 3PST-NC 4A 230V Original PDF
    T4016-040 OMRON Industrial Automation T4016, 4NC, NO ACT, 3 X 0.5 INCH Original PDF
    T4016-040F1M OMRON Industrial Automation T4016, 4NC, FLEX 1 ACT, 3 X 0.5 Original PDF
    T4016-040F2M OMRON Industrial Automation T4016, 4NC, FLEX 2 ACT, 3 X 0.5 Original PDF
    T4016-040SM OMRON Industrial Automation T4016, 4NC, 90 ACT, 3 X 0.5 INCH Original PDF
    T4016-040TM OMRON Industrial Automation T4016, 4NC, FLAT ACT, 3 X 0.5 IN Original PDF
    T40-16B Unknown TR40-16B Scan PDF
    T4016D STMicroelectronics SNUBBERLESS TRIACS Scan PDF
    T4016DKS STMicroelectronics SNUBBERLESS TRIACS Scan PDF
    T4016MKS STMicroelectronics SNUBBERLESS TRIACS Scan PDF

    T4016 Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

    RD107

    Abstract: TRIACS 40A 0461K
    Text: T4016xKS  SNUBBERLESS TRIACS FEATURES IT RMS = 40A HIGH COMMUTATION : (dl/dt)c ≥ 22A/ms INSULATING VOLTAGE = 2500V(RMS) (UL RECOGNIZED : E81734) A1 A2 G DESCRIPTION The T4016xKS series of isolated triacs uses a high performance MESA GLASS technology.


    Original
    PDF T4016xKS E81734) T4016xKS RD107 RD107 TRIACS 40A 0461K

    T4016A1

    Abstract: 40khz 1194
    Text: 1/4 TECHNICAL DATA OF T4016A1 AL CASE (1) Electrical Characteristics Part Number 1 S.P.L. at 40kHz (dB) 2 Resonant Frequency (kHz) 3 Resonant Impedance (Ω) 4 Capacitance at 1kHz (pF) Samples (pcs) (TYP.) (min.~max.) (TYP.) (min.~max.) (TYP.) (min.~max.)


    Original
    PDF T4016A1 40kHz T4016A1 0002bar, 10Vrms, -10dB -20dB -30dB -30dB 40khz 1194

    omron T4016

    Abstract: EN1088 EN292 EN60204-1 EN60947-5-1 G164 T4016-031 44539-0020 STI SAFETY RELAY SR103AM 44535-8010
    Text: T4016 R C US Conforms to EN1088, EN292, EN60947-5-1, EN60204-1 UL and C-UL listed, BG approved safety interlock switches G T4016 Heavy-Duty Metal-Body Safety Interlock Switch • Rugged enclosure—The all metal housing and stainless steel actuator of the T4016


    Original
    PDF T4016 EN1088, EN292, EN60947-5-1, EN60204-1 6/IP67 90-degree omron T4016 EN1088 EN292 EN60204-1 EN60947-5-1 G164 T4016-031 44539-0020 STI SAFETY RELAY SR103AM 44535-8010

    T4016A2

    Abstract: No abstract text available
    Text: 1/4 TECHNICAL DATA OF T4016A2 PLASTIC CASE (1) Electrical Characteristics Part Number 1 2 3 4 S.P.L. at 40kHz (dB) Resonant Frequency (kHz) Resonant Impedance (Ω) Capacitance at 1kHz (pF) Samples (pcs) (TYP.) (min.~max.) (TYP.) (min.~max.) (TYP.) (min.~max.)


    Original
    PDF T4016A2 40kHz T4016A2 0002bar, 10Vrms, -20dB -30dB -30dB -10dB

    D4SL-N

    Abstract: floatless switch diagram TL4019 E3RB
    Text: 2014-2015 Industrial Components Solution Selection Guide Sensing Co n t ro l Co m p o n e n t s S w i t c h i n g Co m p o n e n t s S a fe t y Better machines OMRON Automation and Safety is a leading global supplier of automation systems serving industrial


    Original
    PDF

    TRIAC BTA 28

    Abstract: triac BTA 80 TRIAC BTA 400 TRIAC BTA series BTA 600 triac TRIAC BTa 12 600 bta 600b TRIAC BTA 16 600b TRIAC BTA 70 BTA 600 12 triac
    Text: SCR & TRIAC TRIAC D2PAK DPAK SOT 223 SURFACE MOUNT TRIACs Tj max = 125 °C except T405-xxxB: 110 °C IT(RMS) Ta (1) Tl (2) Tc (3) Ttab(4) VRRM VDRM ITSM IDRM @ VDRM Type (A) (°C) (V) IGT I + II +- IH III - IL IV -+ VTM @ ITM (di/dt)c dv/dt @ @ 67% (dv/dt)c VDRM


    Original
    PDF T405-xxxB: Z0103xN Z0107xN Z0109N Z0110xN T405-400B T405-600B T410-400B T410-600B T410-700B TRIAC BTA 28 triac BTA 80 TRIAC BTA 400 TRIAC BTA series BTA 600 triac TRIAC BTa 12 600 bta 600b TRIAC BTA 16 600b TRIAC BTA 70 BTA 600 12 triac

    induction cooker fault finding diagrams

    Abstract: enamelled copper wire swg table AC digital voltmeter using 7107 wiring diagram IEC320 C14 Inlet Male Power Socket Fuse Switch db 3202 diac siemens mkl capacitor YY63T varta CR123A HXD BUZZER lt700 transformer
    Text: 03front order p1_3 1/29/02 3:01 PM C3 Page 1 components cables & connectors actives 18 57 semiconductors optoelectronics passives contents 72 81 87 91 capacitors resistors transformers, ferrites & inductors emc, filters & suppression electromechanical 92 120


    Original
    PDF 03front induction cooker fault finding diagrams enamelled copper wire swg table AC digital voltmeter using 7107 wiring diagram IEC320 C14 Inlet Male Power Socket Fuse Switch db 3202 diac siemens mkl capacitor YY63T varta CR123A HXD BUZZER lt700 transformer

    OMRON EE-sx 412

    Abstract: transistor D526 equivalent OMRON ee-sx 416 CS1W-CN118 cable OMRON sysmac c20 programming manual RELAY RM2 TR1 NJ-30 R88D-KN user manual error codes
    Text: Solution Selection Guide 2014 Au t o m a t i o n S y s t e m s M o t i o n & D r i ve s Sensing Co n t ro l Co m p o n e n t s S w i t c h i n g Co m p o n e n t s S a fe t y Better machines OMRON Automation and Safety is a leading global supplier of automation systems serving industrial


    Original
    PDF X302-E3-06 OMRON EE-sx 412 transistor D526 equivalent OMRON ee-sx 416 CS1W-CN118 cable OMRON sysmac c20 programming manual RELAY RM2 TR1 NJ-30 R88D-KN user manual error codes

    T4-0013

    Abstract: T4-0096 T4-0092 T4-0031 T4-0045 T4-0129 T4-0032 T4-0063 T4-0107 T4-0033
    Text: T4 MINIATURE TOGGLE SWITCHES 4-WAY TOGGLES 2-WAY, 4-WAY, 4-WAY PLUS PUSHBUTTON, AND 8-WAY TOGGLE SWITCHES PART NUMBER CASE SEAL GRADE Black Plain Hat Press Fit Dusttight & Moistureproof Military T4-0077 Black Plain Hat Press Fit Watertight Military T4-0130


    Original
    PDF T4-0077 T4-0130 T4-0032 T4-0107 T4-0169 T4-0068 T4-0051 T4-0078 M9419/2-006) T4-0144 T4-0013 T4-0096 T4-0092 T4-0031 T4-0045 T4-0129 T4-0032 T4-0063 T4-0107 T4-0033

    OTTO Controls

    Abstract: T4-0032 OTTO t5 T5-0041 T4-0096 T5-0088 T4-0031 T4-0092 T5-0096 T4-0013
    Text: 73912-Pgs 32-69 6/14/01 MT 9:37 AM Page 54 Mini-Trim Switches Mini-Trim Toggles 2-way, 4-way, 4-way plus pushbutton, and 8-way toggle switches Standard Characteristics/Ratings: OPERATIONAL: OTTO Mini-Trims are toggle switches available in 2-way, 4-way, 4-way plus pushbutton, and 8-way versions. Numerous button


    Original
    PDF 73912-Pgs 28VDC D4-0051 T4-0078 T4-0144 T4-0092 T4-0153 T4-0160 T4-0184 M9419/2-006) OTTO Controls T4-0032 OTTO t5 T5-0041 T4-0096 T5-0088 T4-0031 T4-0092 T5-0096 T4-0013

    OTTO push button switch 21649

    Abstract: 4 pin tactile push button switch p8 otto otto switch t5 OTTO Controls 21649 otto switch 21649 P1-30088 OTTO 21649
    Text: Catalog 110 OTTO ® Registered trademark of OTTO Engineering, Inc. All rights reserved. Publication 2007-01 Catalog 110 2 East Main Street • Carpentersville, IL 60110 Phone: 847.428.7171 • Fax: 847.428.1956 E-Mail: info@ottoexcellence.com • Internet: ottoexcellence.com


    Original
    PDF capaR50-MPFC45-01204S M3786/20-GNCB R50-MWFC45-01202S M3786/20-GSBY M3786/20-GHAW R50-MPCC36-01102S M3786/20-GNCC R50-MWFC45-01203S M3786/20-GSCA R50-MAFC45-011CTS OTTO push button switch 21649 4 pin tactile push button switch p8 otto otto switch t5 OTTO Controls 21649 otto switch 21649 P1-30088 OTTO 21649

    ultrasonic generator 40khz

    Abstract: T40-16 r40-16 ultrasonic sensor 2 MHz ultrasonic sensor medical application of ultrasonic waves T40 ultrasonic sensor T40-16 Piezoelectric Crystal T40 16 ultrasonic Ultrasonic Range Finder application of ultrasonic sound waves ultrasonic flow meter
    Text: APPLICATION NOTE H8/300L SLP Series Ultrasonic Range Finder Ultrange Introduction This application note describes the implementation of an ultrasonic range finder using the H8/38024 SLP MCU. A 40-kHz square wave is generated by the MCU and transmitted through an ultrasonic sensor. The reflected ultrasound


    Original
    PDF H8/300L H8/38024 40-kHz H8/38024F RES06B0009-0100/Rev ultrasonic generator 40khz T40-16 r40-16 ultrasonic sensor 2 MHz ultrasonic sensor medical application of ultrasonic waves T40 ultrasonic sensor T40-16 Piezoelectric Crystal T40 16 ultrasonic Ultrasonic Range Finder application of ultrasonic sound waves ultrasonic flow meter

    T4-0032

    Abstract: OTTO T4 M9419 T4-0049 T4-0013
    Text: T4 MINI-TRIM SWITCHES 4-WAY TOGGLES 2-WAY, 4-WAY, 4-WAY PLUS PUSHBUTTON, AND 8-WAY TOGGLE SWITCHES BUTTON CASE SEAL GRADE T4-0026 Black Plain Hat Press Fit Dusttight & Moistureproof Military T4-0077 Black Plain Hat Press Fit Watertight Military T4-0130 Black Plain Hat


    Original
    PDF T4-0026 T4-0077 T4-0130 T4-0032 T4-0107 T4-0169 T4-0068 T4-0096 T4-0051 T4-0078 OTTO T4 M9419 T4-0049 T4-0013

    T40 16 ultrasonic

    Abstract: T40-16 ,r40-16 ultrasonic sensor Sensor Ultrasonic 40Khz rx tx T40-16 ultrasonic sensor Ultrasonic Range Finder 9V 40khz ultrasonic receiver and transmitter Ultrasonic power generator schematic ultrasonic generator 40khz 40khz ULTRASOUND T40 ultrasonic sensor
    Text: PRELIMINARY Ultrasonic Range Finder with SLP H8/300L Ultrasonic Range Finder Ultrange Introduction This application note describes the implementation of an ultrasonic range finder using H8/38024 SLP MCU. A 40kHz square wave is generated by the MCU and transmitted through an ultrasonic sensor. The reflected ultrasound is received by another ultrasonic


    Original
    PDF H8/300L H8/38024 40kHz 200cm. H8/38024F AN0403006/Rev T40 16 ultrasonic T40-16 ,r40-16 ultrasonic sensor Sensor Ultrasonic 40Khz rx tx T40-16 ultrasonic sensor Ultrasonic Range Finder 9V 40khz ultrasonic receiver and transmitter Ultrasonic power generator schematic ultrasonic generator 40khz 40khz ULTRASOUND T40 ultrasonic sensor

    Untitled

    Abstract: No abstract text available
    Text: T4016-QEG 4-14GHz 6-bit digital attenuator GaAs Monolithic Microwave IC in SMD leadless package Description The T4016-QEG is a 4-14GHz 6-bit digital attenuator designed to address a dynamic of 31.5dB by 0.5dB step. It is designed for a wide range of applications, from military to commercial


    Original
    PDF CHT4016-QEG 4-14GHz CHT4016-QEG T4016 4-14GHz 24L-QFN4x5 DSCHT4016-QEG207

    rd107

    Abstract: T4016XKS TRIACS 40A
    Text: r z 7 S G S -T H O M S O N ^ 7 # MiSIS5 ilLICTIi®lfflO i T4016xK S SNUBBERLESS TRIACS FEATURES = 40A . HIGH COMMUTATION : dl/dt)c;> 22A/ms . INSULATING VOLTAGE = 2 5 0 0 V (rms ) (UL RECOGNIZED: E81734) A1 • It (rms ) DESCRIPTION The T4016xKS series of isolated triacs uses a high


    OCR Scan
    PDF T4016xKS E81734) T4016xKS 7TEciE37 0G74bfll rd107 TRIACS 40A

    HCT4016

    Abstract: 74HC-HCT4016 74HCT bilateral switch 4000B 74HC 74HCT
    Text: 7 4 H C /H C T 4 0 1 6 SSI Q U A D B IL A T E R A L SW ITCHES FEA TU R E S • • • • • T Y P IC A L Low " O N " resistance: 1 6 0 £2 typ. at V c c = 4 .5 V 1 2 0 n (typ.) at V c c = 6 .0 V 80 (typ.) at V c c = 9 .0 V Individual switch controls Typical "break before make" built in


    OCR Scan
    PDF 74HC/HCT4016 74HC/HCT4016 4000B" 74HCT HCT4016 74HC-HCT4016 74HCT bilateral switch 4000B 74HC

    T4010S

    Abstract: T4020 t153h CT243 T192 h/73D36
    Text: Product Selectors Product Classification Chart OATES M U L T IV IB R A T O R S Single-level Multi-level Flip-Flops/Latches M ulti­ NOR/NAND Buffer« B ur function Decoders/ Schm itt O R /A N D Llne-Orlvera Driver* AOI Encoders Trigger C D 54/74H C /H C T


    OCR Scan
    PDF 54/74H CT40Q T4075 T240e T241e T244e CT368* T367e T540e T541e T4010S T4020 t153h CT243 T192 h/73D36

    Untitled

    Abstract: No abstract text available
    Text: 7 4 H C /H C T 4 0 1 6 SSI QUAD BILATERAL SWITCHES FEATURES T Y P IC A L SYM BOL Low " O N " resistance: 160 • • • • C O N D IT IO N S U N IT ty p . a t V c c = 4 .5 V 1 2 0 Q ( t y p . ) a t V c c = 6 .0 V 80 PARAM ETER n (t y p .) a t V c c = 9 .0 V


    OCR Scan
    PDF

    T40 16 ultrasonic

    Abstract: ultrasonic transmitter and receiver R40-16 40khz ultrasonic transmitter ultrasonic transducer 40khz 40khz ultrasonic receiver and transmitter 40KHz Ultrasonic receiver 40KHz Ultrasonic Transducer T40-16 ultrasonic transducer piezoelectric transducer 40khz
    Text: Waitrony Ultrasonic Transducer TR40-12 1. General Description The T40-12 and R40-12 are matched pair ultrasonic transmitter and receiver respectively operated at 40kHz center frequency with 012.6mm diameter. This transducer utilizes the piezoelectric properties of engineering ceramic that provides high sound


    OCR Scan
    PDF TR40-12 T40-12 R40-12 40kHz Ta-25Â R40-16 40kHz T40 16 ultrasonic ultrasonic transmitter and receiver 40khz ultrasonic transmitter ultrasonic transducer 40khz 40khz ultrasonic receiver and transmitter 40KHz Ultrasonic receiver 40KHz Ultrasonic Transducer T40-16 ultrasonic transducer piezoelectric transducer 40khz

    6aio

    Abstract: T40 16 ultrasonic R40-16 TR40-10 ultrasonic transducer 40khz 40KHz Ultrasonic receiver R4016 ultrasonic transmitter and receiver 40KHz Ultrasonic Transducer 40KHZ ULTRASONIC transducers
    Text: Waitrony Ultrasonic Transducer TR40-10 1. G eneral D escription The T40-10 and R40-10 are matched pair ultrasonic transmitter and receiver respectively operated at 40kHz center frequency with 09.8m m diameter. This transducer utilizes the piezoelectric properties of engineering ceramic that provides high sound


    OCR Scan
    PDF TR40-10 T40-10 R40-10 40kHz Ta-25Â 40kHz 6aio T40 16 ultrasonic R40-16 TR40-10 ultrasonic transducer 40khz 40KHz Ultrasonic receiver R4016 ultrasonic transmitter and receiver 40KHz Ultrasonic Transducer 40KHZ ULTRASONIC transducers

    Untitled

    Abstract: No abstract text available
    Text: A 2 Ì. PRODUCT i j L L NO. SEE NOTE 140.46 5.530 REF 1.27 . y.g50 TYP REF ROW A É J0 0 0 0 0 0 \ = ROW B . OODÏOOD ^ P BERG LOGO IN THIS SID E- DDDDOGIDDDDDOOIDI DDODDDDOPDDDDDDOI tt> IT) DDDQOOID ODDDDDOI rn <n i cg 3 o8ooooa o ata o o o o o o o o o o m


    OCR Scan
    PDF D000BDQDDDQ0 DBDDD00D00Q0DQ000 T40168 T50311

    DT150-20B31

    Abstract: No abstract text available
    Text: Toroidal Power Transformers_ Toroidal P ow er Transform ers Up to 1.0 KVA Standard transformers suitable for use in applications where low magnetic noise and superior electrical performance in a small package is required. Designed and built to meet the basic requirements of UL, CSA, VDE and IEC, these transform­


    OCR Scan
    PDF 50-500Hz DT150-20B31