2SC1257 Specs and Replacement
Type Designator: 2SC1257
Material of Transistor: Si
Polarity: NPN
Absolute Maximum Ratings
Maximum Collector Power Dissipation (Pc): 14 W
Maximum Collector-Base Voltage |Vcb|: 36 V
Maximum Collector-Emitter Voltage |Vce|: 18 V
Maximum Emitter-Base Voltage |Veb|: 5 V
Maximum Collector Current |Ic max|: 1.5 A
Max. Operating Junction Temperature (Tj): 150 °C
Electrical Characteristics
Transition Frequency (ft): 380 MHz
Forward Current Transfer Ratio (hFE), MIN: 15
Noise Figure, dB: -
Package: TO128
- BJT ⓘ Cross-Reference Search
2SC1257 datasheet
8.1. Size:28K advanced-semi
2sc1252.pdf 
2SC1252 NPN SILICON HIGH FREQUENCY TRANSISTOR DESCRIPTION The 2SC1252 is a High Frequency PACKAGE STYLE TO-39 Transistor, Designed for Wide Band Amplifier Applications up to 500 MHz. FEATURES INCLUDE High Gain -17 dB Typ. @ 200 MHz Low NF - 3.0 dB Typ. @ 200 MHz Hermetic TO-39 Package MAXIMUM RATINGS IC 400 mA VCB 45 V VCE 25 V PDISS 5 W @ TC = 25 C... See More ⇒
8.2. Size:40K advanced-semi
2sc1251.pdf
2SC1251 NPN SILICON RF POWER TRANSISTOR DESCRIPTION The 2SC1251 is a Common Emitter Device Designed for High Linearity Class A Amplifiers up to 2.0 GHz. PACKAGE STYLE .204 4L STUD FEATURES INCLUDE Direct Replacement for NE74020 High Gain - 10 dB min. @ 1.0 GHz Gold Metalization MAXIMUM RATINGS IC 300 mA VCB 45 V PDISS 5.3W @ TC = 25 OC TJ -65 OC to +200 OC TSTG -65... See More ⇒
9.3. Size:170K renesas
r07ds0431ej 2sc1213a-1.pdf
Preliminary Datasheet R07DS0431EJ0300 2SC1213, 2SC1213A (Previous REJ03G0684-0200) Rev.3.00 Silicon NPN Epitaxial Jun 07, 2011 Application Low frequency amplifier Complementary pair with 2SA673 and 2SA673A Outline RENESAS Package code PRSS0003DA-A (Package name TO-92 (1)) 1. Emitter 2. Collector 3. Base 3 2 1 Absolute Maximum Ratings (Ta = 25 C) Item S... See More ⇒
9.4. Size:102K renesas
r07ds0432ej 2sc1213ak-1.pdf
Preliminary Datasheet R07DS0432EJ0300 2SC1213A(K) (Previous REJ03G0685-0200) Rev.3.00 Silicon NPN Epitaxial Jun 07, 2011 Application Low frequency amplifier Medium speed switching Outline RENESAS Package code PRSS0003DA-A (Package name TO-92 (1)) 1. Emitter 2. Collector 3. Base 3 2 1 Absolute Maximum Ratings (Ta = 25 C) Item Symbol Ratings Unit Collec... See More ⇒
9.5. Size:58K panasonic
2sc1215 e.pdf
Transistor 2SC1215 Silicon NPN epitaxial planer type For high-frequency (VHF band) amplification and oscillation Unit mm 5.0 0.2 4.0 0.2 Features High transition frequency fT. Absolute Maximum Ratings (Ta=25 C) Parameter Symbol Ratings Unit +0.2 +0.2 0.45 0.1 0.45 0.1 Collector to base voltage VCBO 30 V 1.27 1.27 Collector to emitter voltage VCEO 20 V Emitter to base ... See More ⇒
9.6. Size:62K panasonic
2sc1215.pdf
Transistor 2SC1215 Silicon NPN epitaxial planer type For high-frequency (VHF band) amplification and oscillation Unit mm 5.0 0.2 4.0 0.2 Features High transition frequency fT. Absolute Maximum Ratings (Ta=25 C) Parameter Symbol Ratings Unit +0.2 +0.2 0.45 0.1 0.45 0.1 Collector to base voltage VCBO 30 V 1.27 1.27 Collector to emitter voltage VCEO 20 V Emitter to base ... See More ⇒
9.8. Size:23K hitachi
2sc1213.pdf
2SC1213, 2SC1213A Silicon NPN Epitaxial Application Low frequency amplifier Complementary pair with 2SA673 and 2SA673A Outline TO-92 (1) 1. Emitter 2. Collector 3. Base 3 2 1 2SC1213, 2SC1213A Absolute Maximum Ratings (Ta = 25 C) Item Symbol 2SC1213 2SC1213A Unit Collector to base voltage VCBO 35 50 V Collector to emitter voltage VCEO 35 50 V Emitter to base voltage ... See More ⇒
9.9. Size:22K hitachi
2sc1214.pdf
2SC1214 Silicon NPN Epitaxial ADE-208-1050 (Z) 1st. Edition Mar. 2001 Application Low frequency amplifier Outline TO-92 (1) 1. Emitter 2. Collector 3. Base 3 2 1 2SC1214 Absolute Maximum Ratings (Ta = 25 C) Item Symbol Ratings Unit Collector to base voltage VCBO 50 V Collector to emitter voltage VCEO 50 V Emitter to base voltage VEBO 4V Collector current IC 500 mA Collec... See More ⇒
9.10. Size:29K hitachi
2sc1212.pdf
2SC1212, 2SC1212A Silicon NPN Epitaxial Application Low frequency power amplifier Outline TO-126 MOD 1. Emitter 2. Collector 3. Base 1 2 3 Absolute Maximum Ratings (Ta = 25 C) Ratings Item Symbol 2SC1212 2SC1212A Unit Collector to base voltage VCBO 50 80 V Collector to emitter voltage VCEO 50 80 V Emitter to base voltage VEBO 44V Collector current IC 11A Collector power diss... See More ⇒
9.11. Size:277K secos
2sc1213-2sc1213a.pdf
2SC1213, 2SC1213A NPN General Purpose Transistor Elektronische Bauelemente RoHS Compliant Product A suffix of -C specifies halogen and lead free FEATURES TO-92 Low frequency amplifier G H Complementary pair with 2SA673 and 2SA673A 1Emitter 1 1 1 2Collector 2 2 2 3Base 3 3 3 CLASSIFICATION OF hFE(1) J A D Product-Rank 2SC1213-B 2SC1213-C 2SC1213-D ... See More ⇒
9.12. Size:419K jiangsu
2sc1213a.pdf
JIANGSU CHANGJING ELECTRONICS TECHNOLOGY CO., LTD TO-92 Plastic-Encapsulate Transistors TRANSISTOR (NPN) 1. EMITTER Low Frequency Amplifier 2. COLLECTOR Complementary Pair with 2SA673A 3. BASE Equivalent Circuit ... See More ⇒
9.13. Size:179K jmnic
2sc1212.pdf
JMnic Product Specification Silicon NPN Power Transistors 2SC1212 2SC1212A DESCRIPTION With TO-126 package Complement to type 2SA743/743A APPLICATIONS For low frequency power amplifier applications PINNING PIN DESCRIPTION 1 Emitter Collector;connected to 2 mounting base 3 Base Absolute maximum ratings(Ta=25 ) SYMBOL PARAMETER CONDITIONS VALUE UNIT 2SC121... See More ⇒
9.15. Size:180K inchange semiconductor
2sc1235.pdf
INCHANGE Semiconductor isc Silicon NPN Power Transistor 2SC1235 DESCRIPTION With TO-66 Package Low collector saturation voltage Minimum Lot-to-Lot variations for robust device performance and reliable operation. APPLICATIONS Designed for use in lined-operated color TV chroma output circuits and sound output circuits ABSOLUTE MAXIMUM RATINGS(T =25 ) a SYMBOL PARAMETER VALUE... See More ⇒
9.16. Size:180K inchange semiconductor
2sc1226 2sc1226a.pdf
Inchange Semiconductor Product Specification Silicon NPN Power Transistors 2SC1226 2SC1226A DESCRIPTION With TO-202 package Complement to type 2SA699/699A APPLICATIONS For medium power amplifier applications PINNING(see Fig.2) PIN DESCRIPTION 1 Base 2 Collector Fig.1 simplified outline (TO-202) and symbol 3 Emitter Absolute maximum ratings (Ta=25 ) SYMBOL PARAMET... See More ⇒
9.17. Size:146K inchange semiconductor
2sc1212 2sc1212a.pdf
Inchange Semiconductor Product Specification Silicon NPN Power Transistors 2SC1212 2SC1212A DESCRIPTION With TO-126 package Complement to type 2SA743/743A APPLICATIONS For low frequency power amplifier applications PINNING PIN DESCRIPTION 1 Emitter Collector;connected to 2 mounting base 3 Base Absolute maximum ratings(Ta=25 ) SYMBOL PARAMETER CONDITIONS V... See More ⇒
9.18. Size:177K inchange semiconductor
2sc1295.pdf
INCHANGE Semiconductor isc Silicon NPN Power Transistor 2SC1295 DESCRIPTION With TO-3 Package High voltage Wide area of safe operation 100% avalanche tested Minimum Lot-to-Lot variations for robust device performance and reliable operation APPLICATIONS For TV horizontal deflection output application ABSOLUTE MAXIMUM RATINGS(T =25 ) a SYMBOL PARAMETER VALUE UNIT V Col... See More ⇒
9.19. Size:214K inchange semiconductor
2sc1212a.pdf
isc Silicon NPN Power Transistor 2SC1212A DESCRIPTION High Collector Current -I = 1A C Collector-Emitter Breakdown Voltage- V = 80V(Min) (BR)CEO Good Linearity of h FE Minimum Lot-to-Lot variations for robust device performance and reliable operation APPLICATIONS Designed for low frequency power amplifier applications. ABSOLUTE MAXIMUM RATINGS(T =25 ) a SYMBOL PARAM... See More ⇒
9.20. Size:176K inchange semiconductor
2sc1227.pdf
INCHANGE Semiconductor isc Silicon NPN Power Transistor 2SC1227 DESCRIPTION With TO-3 Package High voltage Wide area of safe operation 100% avalanche tested Minimum Lot-to-Lot variations for robust device performance and reliable operation APPLICATIONS For clocked voltage converters ABSOLUTE MAXIMUM RATINGS(T =25 ) a SYMBOL PARAMETER VALUE UNIT V Collector-Base Volta... See More ⇒
9.21. Size:215K inchange semiconductor
2sc1212.pdf
isc Silicon NPN Power Transistor 2SC1212 DESCRIPTION High Collector Current I = 1A C Collector-Emitter Breakdown Voltage- V = 50V(Min) (BR)CEO Good Linearity of h FE Minimum Lot-to-Lot variations for robust device performance and reliable operation APPLICATIONS Designed for low frequency power amplifier applications. ABSOLUTE MAXIMUM RATINGS(T =25 ) a SYMBOL PARAMET... See More ⇒
Detailed specifications: 2SC1250, 2SC1250R, 2SC1251, 2SC1252, 2SC1253, 2SC1254, 2SC1255, 2SC1256, 9014, 2SC1258, 2SC1259, 2SC126, 2SC1260, 2SC1261, 2SC1261F, 2SC1261S, 2SC1262
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