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

    2SB1188 Search Results

    SF Impression Pixel

    2SB1188 Price and Stock

    ROHM Semiconductor 2SB1188T100R

    TRANS PNP 32V 2A MPT3
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey 2SB1188T100R Digi-Reel 2,061 1
    • 1 $0.92
    • 10 $0.571
    • 100 $0.92
    • 1000 $0.28476
    • 10000 $0.28476
    Buy Now
    2SB1188T100R Cut Tape 2,061 1
    • 1 $0.92
    • 10 $0.571
    • 100 $0.92
    • 1000 $0.28476
    • 10000 $0.28476
    Buy Now
    2SB1188T100R Reel 1,000 1,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.25701
    • 10000 $0.19276
    Buy Now
    Mouser Electronics 2SB1188T100R
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    Verical 2SB1188T100R 20,000 1,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.1391
    • 10000 $0.1
    Buy Now
    2SB1188T100R 692 29
    • 1 -
    • 10 -
    • 100 $0.4425
    • 1000 $0.23
    • 10000 $0.23
    Buy Now
    Arrow Electronics 2SB1188T100R 20,000 18 Weeks 1,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.1391
    • 10000 $0.1
    Buy Now
    Bristol Electronics 2SB1188T100R 2,643 9
    • 1 -
    • 10 $0.6
    • 100 $0.39
    • 1000 $0.168
    • 10000 $0.156
    Buy Now
    Quest Components 2SB1188T100R 1,323
    • 1 $0.6715
    • 10 $0.6715
    • 100 $0.6715
    • 1000 $0.2686
    • 10000 $0.2686
    Buy Now
    2SB1188T100R 1,104
    • 1 $0.8
    • 10 $0.8
    • 100 $0.8
    • 1000 $0.208
    • 10000 $0.208
    Buy Now
    2SB1188T100R 612
    • 1 $0.6715
    • 10 $0.6715
    • 100 $0.6715
    • 1000 $0.2686
    • 10000 $0.2686
    Buy Now
    2SB1188T100R 210
    • 1 $0.497
    • 10 $0.497
    • 100 $0.2237
    • 1000 $0.2237
    • 10000 $0.2237
    Buy Now
    Chip 1 Exchange 2SB1188T100R 19,344
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    Avnet Asia 2SB1188T100R 24 Weeks 1,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.07982
    • 10000 $0.07457
    Buy Now
    Avnet Silica 2SB1188T100R 11 Weeks 1,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now
    Chip1Stop 2SB1188T100R Cut Tape 692
    • 1 -
    • 10 $0.513
    • 100 $0.304
    • 1000 $0.237
    • 10000 $0.237
    Buy Now

    ROHM Semiconductor 2SB1188T100Q

    TRANS PNP 32V 2A MPT3
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey 2SB1188T100Q Cut Tape 1,889 1
    • 1 $0.92
    • 10 $0.571
    • 100 $0.92
    • 1000 $0.28476
    • 10000 $0.28476
    Buy Now
    2SB1188T100Q Digi-Reel 1,889 1
    • 1 $0.92
    • 10 $0.571
    • 100 $0.92
    • 1000 $0.28476
    • 10000 $0.28476
    Buy Now
    2SB1188T100Q Reel 1,000 1,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.25701
    • 10000 $0.19276
    Buy Now
    Mouser Electronics 2SB1188T100Q 15,938
    • 1 $0.54
    • 10 $0.472
    • 100 $0.321
    • 1000 $0.231
    • 10000 $0.18
    Buy Now
    Newark 2SB1188T100Q Cut Tape 990 1
    • 1 $0.562
    • 10 $0.483
    • 100 $0.361
    • 1000 $0.245
    • 10000 $0.245
    Buy Now
    Bristol Electronics 2SB1188T100Q 2,961
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    2SB1188T100Q 570 13
    • 1 -
    • 10 -
    • 100 $0.2681
    • 1000 $0.1547
    • 10000 $0.1547
    Buy Now
    Quest Components 2SB1188T100Q 1,492
    • 1 $0.6
    • 10 $0.6
    • 100 $0.6
    • 1000 $0.24
    • 10000 $0.24
    Buy Now
    2SB1188T100Q 876
    • 1 $0.667
    • 10 $0.667
    • 100 $0.3002
    • 1000 $0.2001
    • 10000 $0.2001
    Buy Now
    2SB1188T100Q 766
    • 1 $3.644
    • 10 $3.644
    • 100 $3.644
    • 1000 $1.3665
    • 10000 $1.3665
    Buy Now
    2SB1188T100Q 456
    • 1 $0.55
    • 10 $0.55
    • 100 $0.275
    • 1000 $0.165
    • 10000 $0.165
    Buy Now
    2SB1188T100Q 440
    • 1 $0.667
    • 10 $0.667
    • 100 $0.3002
    • 1000 $0.2001
    • 10000 $0.2001
    Buy Now
    2SB1188T100Q 64
    • 1 $0.2001
    • 10 $0.2001
    • 100 $0.1334
    • 1000 $0.1334
    • 10000 $0.1334
    Buy Now
    ComSIT USA 2SB1188T100Q 710
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    Avnet Asia 2SB1188T100Q 24 Weeks 1,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote

    Micro Commercial Components 2SB1188-Q-TP

    Interface
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey 2SB1188-Q-TP Bulk 1,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.2199
    • 10000 $0.2199
    Buy Now
    Mouser Electronics 2SB1188-Q-TP
    • 1 $0.52
    • 10 $0.443
    • 100 $0.331
    • 1000 $0.201
    • 10000 $0.2
    Get Quote

    Micro Commercial Components 2SB1188-R-TP

    Interface
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey 2SB1188-R-TP Bulk 20,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now

    ROHM Semiconductor 2SB1188T100P

    TRANS PNP 32V 2A MPT3
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey 2SB1188T100P Reel 1,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.25701
    • 10000 $0.19276
    Buy Now
    Mouser Electronics 2SB1188T100P 287
    • 1 $0.63
    • 10 $0.538
    • 100 $0.402
    • 1000 $0.24
    • 10000 $0.186
    Buy Now
    Bristol Electronics 2SB1188T100P 954
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    Quest Components 2SB1188T100P 763
    • 1 $0.571
    • 10 $0.571
    • 100 $0.571
    • 1000 $0.2284
    • 10000 $0.2284
    Buy Now

    2SB1188 Datasheets (27)

    Part ECAD Model Manufacturer Description Curated Datasheet Type PDF
    2SB1188 Kexin Medium Power Transistor Original PDF
    2SB1188 ROHM Medium power Transistor(- 32V, -2A) Original PDF
    2SB1188 ROHM Medium power transistor (-32V, -2A) Original PDF
    2SB1188 Transys Electronics Plastic-Encapsulated Transistors Original PDF
    2SB1188 TY Semiconductor Medium Power Transistor - SOT-89 Original PDF
    2SB1188 Unisonic Technologies MEDIUM POWER LOW VOLTAGE TRANSISTOR Original PDF
    2SB1188 Weitron Epitaxial Planar PNP Transistors Original PDF
    2SB1188 Unknown The Transistor Manual (Japanese) 1993 Scan PDF
    2SB1188 Unknown Transistor Substitution Data Book 1993 Scan PDF
    2SB1188 Unknown Shortform IC and Component Datasheets (Plus Cross Reference Data) Short Form PDF
    2SB1188 Unknown Japanese Transistor Cross References (2S) Scan PDF
    2SB1188 ROHM Transistor Selection Guide Scan PDF
    2SB1188 ROHM SOT-23, SOT-89 and D-Pak Transistors Scan PDF
    2SB1188 ROHM MEDIUM POWER TRANSISTOR(-32V, -2A) Scan PDF
    2SB1188L-x-AB3-R Unisonic Technologies MEDIUM POWER LOW VOLTAGE TRANSISTOR Original PDF
    2SB1188P ROHM Medium Power Transistor (-32V -2A) Scan PDF
    2SB1188-P-AB3-R Unisonic Technologies MEDIUM POWER LOW VOLTAGE TRANSISTOR Original PDF
    2SB1188-P-TP Micro Commercial Components TRANSISTOR TO-92 MOD Original PDF
    2SB1188Q ROHM Medium Power Transistor (-32V -2A) Scan PDF
    2SB1188R ROHM Medium Power Transistor (-32V -2A) Scan PDF

    2SB1188 Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

    SMD TRANSISTOR MARKING 2A

    Abstract: smd transistor 2A MARKING 2A smd 2a transistor BC MARKING 05AF 2SB1188 transistor smd marking BC TRANSISTOR SMD w smd transistor marking bc
    Text: Transistors SMD Type Medium Power Transistor 2SB1188 Features Low VCE sat . VCE(sat) = -0.5V (Typ.) (IC/IB = -2A / -0.2A) Absolute Maximum Ratings Ta = 25 Parameter Symbol Rating Unit Collector-base Voltage VCBO -40 V Collector-emitter Voltage VCEO -32 V Emitter-base Voltage


    Original
    PDF 2SB1188 100ms 30MHz SMD TRANSISTOR MARKING 2A smd transistor 2A MARKING 2A smd 2a transistor BC MARKING 05AF 2SB1188 transistor smd marking BC TRANSISTOR SMD w smd transistor marking bc

    Untitled

    Abstract: No abstract text available
    Text: Product specification 2SB1188 Features Low VCE sat . VCE(sat) = -0.5V (Typ.) (IC/IB = -2A / -0.2A) Absolute Maximum Ratings Ta = 25 Parameter Symbol Rating Unit Collector-base Voltage VCBO -40 V Collector-emitter Voltage VCEO -32 V Emitter-base Voltage VEBO


    Original
    PDF 2SB1188 100ms 30MHz

    2SB1188-R

    Abstract: No abstract text available
    Text: MCC TM Micro Commercial Components 2SB1188-P 2SB1188-Q 2SB1188-R   omponents 20736 Marilla Street Chatsworth    !"# $ %    !"# Features Lead Free Finish/RoHS Compliant "P" Suffix designates • • •


    Original
    PDF 2SB1188-P 2SB1188-Q 2SB1188-R

    Untitled

    Abstract: No abstract text available
    Text: MP6Z2 Transistors Medium Power Transistor 32V, 2A MP6Z2 zApplications Low frequency amplifier zDimensions (Unit : mm) MPT6 zFeatures 1) Low VCE(sat) VCE(sat) = 0.5V(Typ.) (IC / IB = 2A / 0.2A) 2) Contains 2SD1766-die and 2SB1188-die in a package. (6) (5)


    Original
    PDF 2SD1766-die 2SB1188-die

    2SB1188

    Abstract: 2SB1188 SOT89
    Text: 2SB1188 2SB1188 FEATURES Power dissipation PCM: 0.5 Collector current -2 ICM: Collector-base voltage V BR CBO: SOT-89 TRANSISTOR (PNP) 1. BASE W (Tamb=25℃) 2. COLLECTOR1 2 A -40 3. EMITTER 3 V Operating and storage junction temperature range TJ, Tstg: -55℃ to +150℃


    Original
    PDF 2SB1188 OT-89 30MHz 2SB1188 2SB1188 SOT89

    Untitled

    Abstract: No abstract text available
    Text: JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO.,LTD SOT-89 Plastic-Encapsulate Transistors 2SB1188 SOT-89 TRANSISTOR(PNP ) FEATURES Power dissipation PCM : 0.5 W (Tamb=25℃) Collector current ICM: -2 A Collector-base voltage 1.BASE


    Original
    PDF OT-89 2SB1188 OT-89-3L 500TYP 060TYP

    2SB1188K

    Abstract: No abstract text available
    Text: 2SB1188K PNP Silicon Medium Power Transistors SOT-89 P b Lead Pb -Free 1 1. BASE 2. COLLECTOR 3. EMITTER 2 3 ABSOLUTE MAXIMUM RATINGS (TA = 25°C unless otherwise specified) Parameter Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Collector Current -Continuous


    Original
    PDF 2SB1188K OT-89 Coll30MHz 16-Mar-2012 OT-89 500TYP 2SB1188K

    LT 500-t

    Abstract: 2SB1188
    Text: 2SB1188 Epitaxial Planar PNP Transistors SOT-89 1 1. BASE 2. COLLECTOR 3. EMITTER 2 3 ABSOLUTE MAXIMUM RATINGS Ta=25%C Rating Symbol Limits Unit Collector-Base Voltage VCBO -40 Vdc Collector-Emitter Voltage VCEO -32 Vdc Emitter-Base Voltage VEBO -5 Vdc


    Original
    PDF 2SB1188 OT-89 100ms -50uA) OT-89 500TYP LT 500-t 2SB1188

    Untitled

    Abstract: No abstract text available
    Text: UNISONIC TECHNOLOGIES CO., LTD 2SB1188 PNP SILICON TRANSISTOR MEDIUM POWER LOW VOLTAGE TRANSISTOR DESCRIPTION  The UTC 2SB1188 is a medium power low voltage transistor, designed for audio power amplifier, DC-DC converter and voltage regulator.  1 FEATURES


    Original
    PDF 2SB1188 2SB1188 OT-89 2SB1188G-x-AB3-R QW-R208-041

    2SB1188

    Abstract: No abstract text available
    Text: Transys Electronics L I M I T E D SOT-89 Plastic-Encapsulated Transistors 2SB1188 FEATURES Power dissipation PCM: 0.5 Collector current -2 ICM: Collector-base voltage V BR CBO: SOT-89 TRANSISTOR (PNP) 1. BASE W (Tamb=25℃) 2. COLLECTOR1 2 A -40 3. EMITTER


    Original
    PDF OT-89 2SB1188 OT-89 30MHz 2SB1188

    DC TO DC convertor

    Abstract: Q1188 2SB1188PT R1188 transistor 2A pnp
    Text: CHENMKO ENTERPRISE CO.,LTD 2SB1188PT SURFACE MOUNT PNP Medium Power Transistor VOLTAGE 32 Volts CURRENT 2 Ampere APPLICATION * Power driver and Dc to DC convertor . FEATURE SC-62/SOT-89 * Small flat package. SC-62/SOT-89 * Low saturation voltage VCE(sat)=-0.5V(typ.)(IC/IB=-2A/-0.2A)


    Original
    PDF 2SB1188PT SC-62/SOT-89 SC-62/SOT-89) P1188 Q1188 R1188 DC TO DC convertor Q1188 2SB1188PT R1188 transistor 2A pnp

    Untitled

    Abstract: No abstract text available
    Text: 2SD1766 SOT-89 Transistor NPN 1. BASE SOT-89 2. COLLECTOR 1 2 3. EMITTER 3 4.6 4.4 1.8 1.4 1.6 1.4 B Features — — 2.6 4.25 2.4 3.75 Low VCE(sat).VCE(sat)=0.16V(Typ.)(IC/IB=2A/0.2A) Complements to 2SB1188 0.8 MIN 0.44 0.37 MAXIMUM RATINGS (TA=25℃ unless otherwise noted)


    Original
    PDF 2SD1766 OT-89 OT-89 2SB1188 500mA 100MHz

    Untitled

    Abstract: No abstract text available
    Text: MP6T2 Transistors Medium Power Transistor −32V, −2A MP6T2 zDimensions (Unit : mm) zApplications Low frequency amplifier MPT6 zFeatures 1) Low VCE(sat), VCE(sat) = −0.5V(Typ.) (IC / IB = −2A / −0.2A) 2) Contain two 2SB1188-dies in a package. zStructure


    Original
    PDF 2SB1188-dies

    2SB1188-Q

    Abstract: No abstract text available
    Text: MCC TM Micro Commercial Components   omponents 20736 Marilla Street Chatsworth    !"# $ %    !"# Features • • • • • 2SB1188-P 2SB1188-Q 2SB1188-R PNP Plastic-Encapsulate Transistors Case Material:Molded Plastic. UL Flammability


    Original
    PDF 2SB1188-P 2SB1188-Q 2SB1188-R

    2SB1240

    Abstract: transistor 2SB1240 2SB1182 2SB1188 2SD1758 2SD1766 2SD1862 T100
    Text: 2SB1188 / 2SB1182 / 2SB1240 Transistors Medium power transistor −32V, −2A 2SB1188 / 2SB1182 / 2SB1240 zExternal dimensions (Unit : mm) 2SB1182 (2) (3) 0.5±0.1 0.4±0.1 1.5±0.1 0.1 0.4+ −0.05 0.4±0.1 1.5±0.1 2.3+0.2 −0.1 C0.5 0.65±0.1 0.75 9.5±0.5


    Original
    PDF 2SB1188 2SB1182 2SB1240 2SB1182 2SB1188 2SD1766 2SD1758 2SB1240 transistor 2SB1240 2SD1862 T100

    2sb1188

    Abstract: 2SB1188R
    Text: MCC TM Micro Commercial Components   omponents 20736 Marilla Street Chatsworth    !"# $ %    !"# Features • • • • 2SB1188 2SB1188-P 2SB1188-Q 2SB1188-R PNP Plastic-Encapsulate Transistors Power dissipation: PCM = 0.5W Tamb=25ć


    Original
    PDF 2SB1188 2SB1188-P 2SB1188-Q 2SB1188-R 30MHZ) OT-89 2SB1188R

    Untitled

    Abstract: No abstract text available
    Text: 2SB1188 Epitaxial Planar PNP Transistors SOT-89 * “G” Lead Pb -Free 1 1. BASE 2. COLLECTOR 3. EMITTER 2 3 ABSOLUTE MAXIMUM RATINGS (Ta=25%C ) Rating Symbol Limits Unit Collector-Base Voltage VCBO -40 Vdc Collector-Emitter Voltage VCEO -32 Vdc Emitter-Base Voltage


    Original
    PDF 2SB1188 OT-89 100ms -50uA) OT-89 500TYP

    2SB1188

    Abstract: No abstract text available
    Text: 2SB1188 Epitaxial Planar PNP Transistors SOT-89 1 1. BASE 2. COLLECTOR 3. EMITTER 2 3 ABSOLUTE MAXIMUM RATINGS Ta=25%C Rating Symbol Limits Unit Collector-Base Voltage VCBO -40 Vdc Collector-Emitter Voltage VCEO -32 Vdc Emitter-Base Voltage VEBO -5 Vdc


    Original
    PDF 2SB1188 OT-89 100ms -50uA) OT-89 500TYP 2SB1188

    PNP 200V 2A SOT89

    Abstract: cj sot 89
    Text: 2SB1188 SOT-89 Plastic-Encapsulate Transistors TRANSISTOR PNP FEATURES z Low VCE(sat).VCE(sat) = -0.5V (Typ.)(IC/IB = -2A / -0.2A) z Complements the 2SD1766 z Weight: 0.05 g z RoHS product for packing code suffix "G" Halogen free product for packing code suffix "H"


    Original
    PDF OT-89 2SB1188 2SD1766 060TYP M140-MH FM150-MH FM160-MH FM180-M FM1100-MH PNP 200V 2A SOT89 cj sot 89

    2SD1766

    Abstract: No abstract text available
    Text: 2SB1188 SOT-89 Transistor PNP 1. BASE SOT-89 2. COLLECTOR 1 2 4.6 4.4 1.8 1.4 1.6 1.4 3. EMITTER 3 B 2.6 4.25 2.4 3.75 Features 0.8 MIN — Low VCE(sat). — 0.44 0.37 Complements the 2SD1766 Parameter Value Units VCBO Collector-Base Voltage -40 V VCEO Collector-Emitter Voltage


    Original
    PDF 2SB1188 OT-89 OT-89 2SD1766 30MHz 2SD1766

    d1189f

    Abstract: 2SB891 d1758 2SB891F 2sb1188 2sb1277
    Text: Transistors Medium power Transistor -32V, -2A 2 S B 1 1 8 8 /2 S B 1 1 8 2 /2 S B 1 2 4 0 /2 S B 8 9 1 F / 2 S B 8 2 2 /2 S B 1 2 7 7 /2 S B 9 1 1 M •F e a tu re s 1) ^External dim ensions (Units: m m ) LOW VcE(sat). 2SB1188 VcElsat; = —0 .5 V (Typ.)


    OCR Scan
    PDF 2SB1188 2SB1182 2SB1188) 2SB1182) 2SB891) 2SB1188/2SB1182/2SB1240/2SB891F/ 2SB822/2SB1277/2SB911M 2SB891 d1189f 2SB891 d1758 2SB891F 2sb1188 2sb1277

    2SB1099

    Abstract: 1115a 2sB1098 NEC 2SA1441 2SB873 1116a 2SB927 2SA1770 2SA1283 nec 2SB1099
    Text: - « Type No. tt « Mamif. 2SB 1114 -• 2SB 1115 „ Hi TOSHIBA Z £ MITSUBISHI ZSA1213 2SB10Q1 2SB956 2SB1188 2SB1122 2SA12Q1 2SB1002 2SB766A 2SB1260 2SA1213 2SB1Q02 2SB766A 2SA1315 2SB1059 2SB621A 2SA1283 2SB1459 2SB621A 2SA1283 S S « 2SB 1117 ^ S « 2SB 1118


    OCR Scan
    PDF 2SB1121 2SA1213 2SB1001 2SB956 2SB1188 2SB1122 2SA1201 2SB1002 2SB766A 2SB1260 2SB1099 1115a 2sB1098 NEC 2SA1441 2SB873 1116a 2SB927 2SA1770 2SA1283 nec 2SB1099

    2SB891

    Abstract: 2SB1240 2SB911 2SB1182 2SB1188 2SB891F 2SD1766 TO-126F BC 390 Transistor 1-02R
    Text: Transistors Medium power Transistor -32V, -2A 2SB1188/2SB1182/2SB1240/2SB891 F/ 2SB822/2SB1277/2SB911M • E x t e r n a l d im e n s io n s (U nits: m m ) •F e a tu re s 1) LOW VcE(sat). 2SB1182 2SB1188 VcE(sat) = - 0 . 5 V (Typ.) (Ic / I b = - 2 A / - 0 . 2 A )


    OCR Scan
    PDF 2SB1188/2SB1182/2SB1240/2SB891F/ 2SB822/2SB1277/2SB911M 2SD1766/ 2SD1758/2SD1862/2SD1189F/ 2SD1055/2SD19192/SD1227M. 2SB1188 2SB1182 SC-62 2SB1240 2SB891F 2SB891 2SB1240 2SB911 2SB1182 2SB1188 2SB891F 2SD1766 TO-126F BC 390 Transistor 1-02R

    transistor bc 132

    Abstract: B1188 BC transistor series
    Text: 2SB1188 Transistor, PNP Features Dimensions Units : mm • available in MPT3 (MPT, SOT-89, SC-62)package • package marking: 2SB1188; BC^, where ★ is hFE code 2SB1188 (MPT3) • collector power dissipation, P c = 2 W, when mounted on 40 x 40 x 0.7 mm


    OCR Scan
    PDF 2SB1188 OT-89, SC-62 2SB1188; 2SD1766 2SB1188 transistor bc 132 B1188 BC transistor series