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    HCPL 212 Search Results

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    HCPL 212 Price and Stock

    Broadcom Limited HCPL-2212-000E

    High Speed Optocouplers 5MBd 1Ch 1.6mA
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Mouser Electronics HCPL-2212-000E 2,426
    • 1 $4.33
    • 10 $3.01
    • 100 $2.29
    • 1000 $1.84
    • 10000 $1.83
    		Buy Now

    Broadcom Limited HCPL-2212-060E

    High Speed Optocouplers 5MBd 1Ch 1.6mA
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Mouser Electronics HCPL-2212-060E 1,745
    • 1 $4.34
    • 10 $3.07
    • 100 $2.52
    • 1000 $1.87
    • 10000 $1.86
    		Buy Now

    Broadcom Limited HCPL-2212-500E

    High Speed Optocouplers 5MBd 1Ch 1.6mA
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Mouser Electronics HCPL-2212-500E 1,340
    • 1 $4.39
    • 10 $3.05
    • 100 $2.33
    • 1000 $1.94
    • 10000 $1.84
    		Buy Now

    Broadcom Limited HCPL-2212-300E

    High Speed Optocouplers 5MBd 1Ch 1.6mA
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Mouser Electronics HCPL-2212-300E 1,027
    • 1 $4.39
    • 10 $3.05
    • 100 $2.32
    • 1000 $1.86
    • 10000 $1.86
    		Buy Now

    Broadcom Limited HCPL-2212

    High Speed Optocouplers 5MBd 1Ch 1.6mA
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Mouser Electronics HCPL-2212 709
    • 1 $4.91
    • 10 $3.44
    • 100 $2.67
    • 1000 $2.55
    • 10000 $2.55
    		Buy Now
    Find more HCPL 212 price and stock on Findchips.com

    HCPL 212 Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

    "A 6N137"

    Abstract: AV02-0940EN 6N137 HCNW2601 HCNW2611 HCPL-0600 HCPL-0601 HCPL-0611 HCPL-0630 HP 2602 optocoupler
    Text: 6N137, HCNW137, HCNW2601, HCNW2611, HCPL-0600, HCPL-0601, HCPL-0611, HCPL-0630, HCPL-0631, HCPL-0661, HCPL-2601, HCPL-2611, HCPL-2630, HCPL-2631, HCPL-4661 High CMR, High Speed TTL Compatible Optocouplers Data Sheet Lead Pb Free RoHS 6 fully compliant RoHS 6 fully compliant options available;


    Original     		PDF 6N137, HCNW137, HCNW2601, HCNW2611, HCPL-0600, HCPL-0601, HCPL-0611, HCPL-0630, HCPL-0631, HCPL-0661, "A 6N137" AV02-0940EN 6N137 HCNW2601 HCNW2611 HCPL-0600 HCPL-0601 HCPL-0611 HCPL-0630 HP 2602 optocoupler

    HCNW22XX

    Abstract: AVAGO HCPL-0201 HCPL-0201 hcpl2232 HCNW2201 HCNW2211 HCPL-0211 HCPL-2201 HCPL-2202 HCPL-2211
    Text: HCPL-2201, HCPL-2202, HCPL-2211,HCPL-2212, HCPL-2231, HCPL-2232, HCPL-0201, HCPL-0211, HCNW2201, HCNW2211 Very High CMR, Wide VCC Logic Gate Optocouplers Data Sheet Description The HCPL-22XX, HCPL-02XX, and HCNW22XX are optically-coupled logic gates. The HCPL-22XX, and


    Original     		PDF HCPL-2201, HCPL-2202, HCPL-2211 HCPL-2212, HCPL-2231, HCPL-2232, HCPL-0201, HCPL-0211, HCNW2201, HCNW2211 HCNW22XX AVAGO HCPL-0201 HCPL-0201 hcpl2232 HCNW2201 HCNW2211 HCPL-0211 HCPL-2201 HCPL-2202

    6N13X

    Abstract: HCPL193
    Text: 6N137, HCNW137, HCNW2601, HCNW2611, HCPL-0600, HCPL-0601, HCPL-0611, HCPL-0630, HCPL-0631, HCPL-0661, HCPL-2601, HCPL-2611, HCPL-2630, HCPL-2631, HCPL-4661 High CMR, High Speed TTL Compatible Optocouplers Data Sheet Lead Pb Free RoHS 6 fully compliant RoHS 6 fully compliant options available;


    Original     		PDF 6N137, HCNW137, HCNW2601, HCNW2611, HCPL-0600, HCPL-0601, HCPL-0611, HCPL-0630, HCPL-0631, HCPL-0661, 6N13X HCPL193

    "A 6N137"

    Abstract: A6N137 A 6N137 hcnwxxxx 2601 dip8 6N137 HCNW137 HCPL0661 HCPL-0600 HCPL-0601
    Text: 6N137, HCNW137, HCNW2601, HCNW2611, HCPL-0600, HCPL-0601, HCPL-0611, HCPL-0630, HCPL-0631, HCPL-0661, HCPL-2601, HCPL-2611, HCPL-2630, HCPL-2631, HCPL-4661 High CMR, High Speed TTL Compatible Optocouplers Data Sheet Lead Pb Free RoHS 6 fully compliant RoHS 6 fully compliant options available;


    Original     		PDF 6N137, HCNW137, HCNW2601, HCNW2611, HCPL-0600, HCPL-0601, HCPL-0611, HCPL-0630, HCPL-0631, HCPL-0661, "A 6N137" A6N137 A 6N137 hcnwxxxx 2601 dip8 6N137 HCNW137 HCPL0661 HCPL-0600 HCPL-0601

    opto HP 2630

    Abstract: 6N137 567 8pin "A 6N137" hp 6n137 A6N137 HP 2601 OPTO opto HP 2631 6N137 application note a 6n137
    Text: 6N137, HCNW137, HCNW2601, HCNW2611, HCPL-0600, HCPL-0601, HCPL-0611, HCPL-0630, HCPL-0631, HCPL-0661, HCPL-2601, HCPL-2611, HCPL-2630, HCPL-2631, HCPL-4661 High CMR, High Speed TTL Compatible Optocouplers Data Sheet Lead Pb Free RoHS 6 fully compliant RoHS 6 fully compliant options available;


    Original     		PDF 6N137, HCNW137, HCNW2601, HCNW2611, HCPL-0600, HCPL-0601, HCPL-0611, HCPL-0630, HCPL-0631, HCPL-0661, opto HP 2630 6N137 567 8pin "A 6N137" hp 6n137 A6N137 HP 2601 OPTO opto HP 2631 6N137 application note a 6n137

    HP 2630 optocoupler

    Abstract: hp 2631 HP 2601 optocoupler 6N137 application note OPTOCOUPLER hp 2631 hp 6n137 HP 2602 A 2631 optocoupler hp 2611 CA SO 8-pin marking T
    Text: 6N137, HCNW137, HCNW2601, HCNW2611, HCPL-0600, HCPL-0601, HCPL-0611, HCPL-0630, HCPL-0631, HCPL-0661, HCPL-2601, HCPL-2611, HCPL-2630, HCPL-2631, HCPL-4661 High CMR, High Speed TTL Compatible Optocouplers Data Sheet Description The 6N137, HCPL-26XX/06XX/4661, HCNW137/26X1


    Original     		PDF 6N137, HCNW137, HCNW2601, HCNW2611, HCPL-0600, HCPL-0601, HCPL-0611, HCPL-0630, HCPL-0631, HCPL-0661, HP 2630 optocoupler hp 2631 HP 2601 optocoupler 6N137 application note OPTOCOUPLER hp 2631 hp 6n137 HP 2602 A 2631 optocoupler hp 2611 CA SO 8-pin marking T

    a 2630 pin diagram optocoupler

    Abstract: HP 2611 optocoupler
    Text: 6N137, HCNW137, HCNW2601, HCNW2611, HCPL-0600, HCPL-0601, HCPL-0611, HCPL-0630, HCPL-0631, HCPL-0661, HCPL-2601, HCPL-2611, HCPL-2630, HCPL-2631, HCPL-4661 High CMR, High Speed TTL Compatible Optocouplers Data Sheet Description The 6N137, HCPL-26XX/06XX/4661, HCNW137/26X1


    Original     		PDF 6N137, HCNW137, HCNW2601, HCNW2611, HCPL-0600, HCPL-0601, HCPL-0611, HCPL-0630, HCPL-0631, HCPL-0661, a 2630 pin diagram optocoupler HP 2611 optocoupler

    optocoupler with schmitt trigger input

    Abstract: A 2232 cm 45-12 2202 OPTOCOUPLER 2232 OPTOCOUPLER HCNW2211 hcpl series S 354 OPTOCOUPLER optocoupler A 2232 780 AC
    Text: HCPL-2201, HCPL-2202, HCPL-2211,HCPL-2212, HCPL-2231, HCPL-2232, HCPL-0201, HCPL-0211, HCNW2201, HCNW2211 Very High CMR, Wide VCC Logic Gate Optocouplers Data Sheet Description The HCPL-22XX, HCPL-02XX, and HCNW22XX are optically-coupled logic gates. The HCPL-22XX, and


    Original     		PDF HCPL-2201, HCPL-2202, HCPL-2211 HCPL-2212, HCPL-2231, HCPL-2232, HCPL-0201, HCPL-0211, HCNW2201, HCNW2211 optocoupler with schmitt trigger input A 2232 cm 45-12 2202 OPTOCOUPLER 2232 OPTOCOUPLER HCNW2211 hcpl series S 354 OPTOCOUPLER optocoupler A 2232 780 AC

    HCPL-2201

    Abstract: optocoupler A 2232 HCNW2201 HCNW2211 HCPL-0201 HCPL-0211 HCPL-2202 HCPL-2211 HCPL-2212 HCPL-2231
    Text: HCPL-2201, HCPL-2202, HCPL-2211,HCPL-2212, HCPL-2231, HCPL-2232, HCPL-0201, HCPL-0211, HCNW2201, HCNW2211 Very High CMR, Wide VCC Logic Gate Optocouplers Data Sheet Lead Pb Free RoHS 6 fully compliant RoHS 6 fully compliant options available; -xxxE denotes a lead-free product


    Original     		PDF HCPL-2201, HCPL-2202, HCPL-2211 HCPL-2212, HCPL-2231, HCPL-2232, HCPL-0201, HCPL-0211, HCNW2201, HCNW2211 HCPL-2201 optocoupler A 2232 HCNW2201 HCNW2211 HCPL-0201 HCPL-0211 HCPL-2202 HCPL-2212 HCPL-2231

    2202 OPTOCOUPLER

    Abstract: AVAGO HCPL-0201 hcpl hcpl series HCNW2201 HCNW2211 HCPL-0201 HCPL-0211 HCPL-2201 HCPL-2202
    Text: HCPL-2201, HCPL-2202, HCPL-2211,HCPL-2212, HCPL-2231, HCPL-2232, HCPL-0201, HCPL-0211, HCNW2201, HCNW2211 Very High CMR, Wide VCC Logic Gate Optocouplers Data Sheet Lead Pb Free RoHS 6 fully compliant RoHS 6 fully compliant options available; -xxxE denotes a lead-free product


    Original     		PDF HCPL-2201, HCPL-2202, HCPL-2211 HCPL-2212, HCPL-2231, HCPL-2232, HCPL-0201, HCPL-0211, HCNW2201, HCNW2211 2202 OPTOCOUPLER AVAGO HCPL-0201 hcpl hcpl series HCNW2201 HCNW2211 HCPL-0201 HCPL-0211 HCPL-2201 HCPL-2202

    A 2630 DIP8

    Abstract: No abstract text available
    Text: 6N137, HCNW137, HCNW2601, HCNW2611, HCPL-0600, HCPL-0601, HCPL-0611, HCPL-0630, HCPL-0631, HCPL-0661, HCPL-2601, HCPL-2611, HCPL-2630, HCPL-2631, HCPL-4661 High CMR, High Speed TTL Compatible Optocouplers Data Sheet Lead Pb Free RoHS 6 fully compliant RoHS 6 fully compliant options available;


    Original     		PDF 6N137, HCNW137, HCNW2601, HCNW2611, HCPL-0600, HCPL-0601, HCPL-0611, HCPL-0630, HCPL-0631, HCPL-0661, A 2630 DIP8

    6N137 application note

    Abstract: HP 4661 optocoupler a 2631 optocoupler
    Text: 6N137, HCNW137, HCNW2601, HCNW2611, HCPL-0600, HCPL-0601, HCPL-0611, HCPL-0630, HCPL-0631, HCPL-0661, HCPL-2601, HCPL-2611, HCPL-2630, HCPL-2631, HCPL-4661 High CMR, High Speed TTL Compatible Optocouplers Data Sheet Lead Pb Free RoHS 6 fully compliant RoHS 6 fully compliant options available;


    Original     		PDF 6N137, HCNW137, HCNW2601, HCNW2611, HCPL-0600, HCPL-0601, HCPL-0611, HCPL-0630, HCPL-0631, HCPL-0661, 6N137 application note HP 4661 optocoupler a 2631 optocoupler

    HP 2211 optocoupler

    Abstract: HP 2202 optocoupler optocoupler A 2232 HP 2200 optocoupler hp 2232 hp 2211 HCPL-2211 HCPL2211 HCNW2211 HCPL-2232
    Text: Very High CMR, Wide V Gate Optocouplers CC Logic HCPL-2201 HCPL-2202 HCPL-2211 HCPL-2212 HCPL-2231 HCPL-2232 HCPL-0201 HCPL-0211 HCNW2201 HCNW2211 Technical Data Features • 10 kV/µs Minimum Common Mode Rejection CMR at VCM = 1000 V (HCPL-2211/2212/0211/


    Original     		PDF HCPL-2201 HCPL-2202 HCPL-2211 HCPL-2212 HCPL-2231 HCPL-2232 HCPL-0201 HCPL-0211 HCNW2201 HCNW2211 HP 2211 optocoupler HP 2202 optocoupler optocoupler A 2232 HP 2200 optocoupler hp 2232 hp 2211 HCPL2211 HCNW2211 HCPL-2232

    Untitled

    Abstract: No abstract text available
    Text: HCPL-2201, HCPL-2202, HCPL-2211,HCPL-2212, HCPL-2231, HCPL-2232, HCPL-0201, HCPL-0211, HCNW2201, HCNW2211 Very High CMR, Wide VCC Logic Gate Optocouplers Data Sheet Lead Pb Free RoHS 6 fully compliant RoHS 6 fully compliant options available; -xxxE denotes a lead-free product


    Original     		PDF HCPL-2201, HCPL-2202, HCPL-2211 HCPL-2212, HCPL-2231, HCPL-2232, HCPL-0201, HCPL-0211, HCNW2201, HCNW2211

    HCNW2211

    Abstract: HCNW2201 HCPL-0201 HCPL-0211 HCPL-2201 HCPL-2202 HCPL-2211 HCPL-2212 HCPL-2231 HCPL-2232
    Text: HCPL-2201, HCPL-2202, HCPL-2211,HCPL-2212, HCPL-2231, HCPL-2232, HCPL-0201, HCPL-0211, HCNW2201, HCNW2211 Very High CMR, Wide VCC Logic Gate Optocouplers Data Sheet Lead Pb Free RoHS 6 fully compliant RoHS 6 fully compliant options available; -xxxE denotes a lead-free product


    Original     		PDF HCPL-2201, HCPL-2202, HCPL-2211 HCPL-2212, HCPL-2231, HCPL-2232, HCPL-0201, HCPL-0211, HCNW2201, HCNW2211 HCNW2211 HCNW2201 HCPL-0201 HCPL-0211 HCPL-2201 HCPL-2202 HCPL-2212 HCPL-2231 HCPL-2232

    ma6197

    Abstract: HCNW2201 HCNW2211 HCPL-0201 HCPL-0211 HCPL-2201 HCPL-2202 HCPL-2211 HCPL-2212 HCPL-2231
    Text: Very High CMR, Wide VCC Logic Gate Optocouplers HCPL-2201 HCPL-2211 HCPL-2231 HCPL-0201 HCNW2201 Technical Data Features • 10 kV/µs Minimum Common Mode Rejection CMR at VCM = 1000 V (HCPL-2211/2212/0211/ 2232, HCNW2211) • Wide Operating VCC Range: 4.5 to 20 Volts


    Original     		PDF HCPL-2201 HCPL-2211 HCPL-2231 HCPL-0201 HCNW2201 HCPL-2211/2212/0211/ HCNW2211) HCNW22XX) UL1577 5988-4108EN ma6197 HCNW2201 HCNW2211 HCPL-0201 HCPL-0211 HCPL-2201 HCPL-2202 HCPL-2211 HCPL-2212 HCPL-2231

    HP 2601

    Abstract: hp 2611 HP 2630 optocoupler HP 2630 hp 2631 HP 2601 optocoupler hp 6n137 HCNW2611 OPTOCOUPLER hp 2631 optocoupler 2601
    Text: High CMR, High Speed TTL Compatible Optocouplers 6N137 HCNW137 HCNW2601 HCNW2611 HCPL-0600 HCPL-0601 HCPL-0611 HCPL-0630 Technical Data Features • 5 kV/µs Minimum Common Mode Rejection CMR at VCM = 50 V for HCPL-X601/ X631, HCNW2601 and 10 kV/ µs Minimum CMR at


    Original     		PDF 6N137 HCNW137 HCNW2601 HCNW2611 HCPL-0600 HCPL-0601 HCPL-0611 HCPL-0630 HCPL-X601/ HCNW2601 HP 2601 hp 2611 HP 2630 optocoupler HP 2630 hp 2631 HP 2601 optocoupler hp 6n137 HCNW2611 OPTOCOUPLER hp 2631 optocoupler 2601

    hp 2631

    Abstract: OPTOCOUPLER hp 2631 A 4661 HP 2630 hp 2611 6N137 hp 2630 datasheet HP 2630 optocoupler HCNW137 HCNW2601
    Text: High CMR, High Speed TTL Compatible Optocouplers 6N137 HCNW137 HCNW2601 HCNW2611 HCPL-0600 HCPL-0601 HCPL-0611 HCPL-0630 Technical Data Features • 5 kV/µs Minimum Common Mode Rejection CMR at VCM = 50 V for HCPL-X601/ X631, HCNW2601 and 10 kV/ µs Minimum CMR at


    Original     		PDF 6N137 HCNW137 HCNW2601 HCNW2611 HCPL-0600 HCPL-0601 HCPL-0611 HCPL-0630 HCPL-X601/ HCNW2601 hp 2631 OPTOCOUPLER hp 2631 A 4661 HP 2630 hp 2611 6N137 hp 2630 datasheet HP 2630 optocoupler HCNW137

    HP 2231

    Abstract: HP 2201 HP 2211 optocoupler hp 2212 hp 2211 HP 2202 optocoupler hp 2232 cm 45-12 HCPL-2232 HP 2202
    Text: H Very High CMR, Wide VCC Logic Gate Optocouplers HCPL-2201 HCPL-2211 HCPL-2231 HCPL-0201 HCNW2201 Technical Data Features • 10 kV/µs Minimum Common Mode Rejection CMR at VCM = 1000 V (HCPL-2211/2212/0211/ 2232, HCNW2211) • Wide Operating VCC Range:


    Original     		PDF HCPL-2201 HCPL-2211 HCPL-2231 HCPL-0201 HCNW2201 HCPL-2211/2212/0211/ HCNW2211) HCNW22XX) UL1577 1N4150) HP 2231 HP 2201 HP 2211 optocoupler hp 2212 hp 2211 HP 2202 optocoupler hp 2232 cm 45-12 HCPL-2232 HP 2202

    hp 2631

    Abstract: A 2631 HP 2602 HP 2630 optocoupler HCNW2611 HP 450 optocoupler a 2630 pin diagram optocoupler hp 2611 CA SO 8-pin marking T HCPL-2601
    Text: High CMR, High Speed TTL Compatible Optocouplers 6N137 HCNW137 HCNW2601 HCNW2611 HCPL-0600 HCPL-0601 HCPL-0611 HCPL-0630 Technical Data Features Applications • 5 kV/µs Minimum Common Mode Rejection CMR at VCM = 50 V for HCPL-X601/ X631, HCNW2601 and 10 kV/µs Minimum CMR at


    Original     		PDF 6N137 HCNW137 HCNW2601 HCNW2611 HCPL-0600 HCPL-0601 HCPL-0611 HCPL-0630 HCPL-X601/ HCNW2601 hp 2631 A 2631 HP 2602 HP 2630 optocoupler HCNW2611 HP 450 optocoupler a 2630 pin diagram optocoupler hp 2611 CA SO 8-pin marking T HCPL-2601

    HP 2231

    Abstract: hp 2211 HP 2201 HP 2211 optocoupler hp 2212 HP 2232 HP 2202 ma6197 HCNW22XX HP 2202 optocoupler
    Text: OPTOCOUPLERS H Very High CMR, Wide VCC Logic Gate Optocouplers HCPL-2201 HCPL-2211 HCPL-2231 HCPL-0201 HCNW2201 Technical Data Features • 10 kV/µs Minimum Common Mode Rejection CMR at VCM = 1000 V (HCPL-2211/2212/0211/ 2232, HCNW2211) • Wide Operating VCC Range:


    Original     		PDF HCPL-2201 HCPL-2211 HCPL-2231 HCPL-0201 HCNW2201 HCPL-2211/2212/0211/ HCNW2211) HCNW22XX) UL1577 0884L HP 2231 hp 2211 HP 2201 HP 2211 optocoupler hp 2212 HP 2232 HP 2202 ma6197 HCNW22XX HP 2202 optocoupler

    hp 2611

    Abstract: HP 2630 optocoupler HP 2601 optocoupler OPTOCOUPLER HP 2631 HP 2601 hp 2630 hp 2631 ic HP 2631 HP 2612 optocoupler HP 2611 optocoupler
    Text: High CMR, High Speed TTL Compatible Optocouplers 6N137 HCNW137 HCNW2601 HCNW2611 HCPL-0600 HCPL-0601 HCPL-0611 HCPL-0630 Technical Data Features • 5 kV/µs Minimum Common Mode Rejection CMR at VCM = 50 V for HCPL-X601/ X631, HCNW2601 and 10 kV/ µs Minimum CMR at


    Original     		PDF 6N137 HCNW137 HCNW2601 HCNW2611 HCPL-0600 HCPL-0601 HCPL-0611 HCPL-0630 HCPL-X601/ HCNW2601 hp 2611 HP 2630 optocoupler HP 2601 optocoupler OPTOCOUPLER HP 2631 HP 2601 hp 2630 hp 2631 ic HP 2631 HP 2612 optocoupler HP 2611 optocoupler

    hp 2611

    Abstract: a 2630 pin diagram optocoupler 6N137 HCNW137 HCNW2601 HCNW2611 HCPL-0600 HCPL-0601 HCPL-0611 HCPL-0630
    Text: High CMR, High Speed TTL Compatible Optocouplers 6N137 HCNW137 HCNW2601 HCNW2611 HCPL-0600 HCPL-0601 HCPL-0611 HCPL-0630 Technical Data Features • 5 kV/µs Minimum Common Mode Rejection CMR at VCM = 50 V for HCPL-X601/ X631, HCNW2601 and 10 kV/µs Minimum CMR at


    Original     		PDF 6N137 HCNW137 HCNW2601 HCNW2611 HCPL-0600 HCPL-0601 HCPL-0611 HCPL-0630 HCPL-X601/ HCNW2601 hp 2611 a 2630 pin diagram optocoupler 6N137 HCNW137 HCNW2611 HCPL-0600 HCPL-0601 HCPL-0611 HCPL-0630

    HP 2630 optocoupler

    Abstract: hp 2631 A 263n HP 2601 OPTOCOUPLER hp 2631 HP 2612 optocoupler hp 2611 HCNW2611 6N137 HP 2601 optocoupler
    Text: High CMR, High Speed TTL Compatible Optocouplers 6N137 HCNW137 HCNW2601 HCNW2611 HCPL-0600 HCPL-0601 HCPL-0611 HCPL-0630 Technical Data Features • 5 kV/µs Minimum Common Mode Rejection CMR at VCM = 50 V for HCPL-X601/ X631, HCNW2601 and 10 kV/ µs Minimum CMR at


    Original     		PDF 6N137 HCNW137 HCNW2601 HCNW2611 HCPL-0600 HCPL-0601 HCPL-0611 HCPL-0630 HCPL-X601/ HCNW2601 HP 2630 optocoupler hp 2631 A 263n HP 2601 OPTOCOUPLER hp 2631 HP 2612 optocoupler hp 2611 HCNW2611 6N137 HP 2601 optocoupler