MMST5551 Specs and Replacement
Type Designator: MMST5551
SMD Transistor Code: K4N
Material of Transistor: Si
Polarity: NPN
Absolute Maximum Ratings
Maximum Collector Power Dissipation (Pc): 0.2 W
Maximum Collector-Emitter Voltage |Vce|: 160 V
Maximum Collector Current |Ic max|: 0.2 A
Electrical Characteristics
Transition Frequency (ft): 100 MHz
Forward Current Transfer Ratio (hFE), MIN: 80
Noise Figure, dB: -
Package: SOT323
- BJT ⓘ Cross-Reference Search
MMST5551 datasheet
..1. Size:184K diodes
mmst5551.pdf 
MMST5551 180V NPN SMALL SIGNAL TRANSISTOR IN SOT323 Features Mechanical Data Epitaxial Planar Die Construction Case SOT323 Ultra-Small Surface Mount Package Case Material Molded Plastic. Green Molding Compound. Complementary NPN Type MMST5401 UL Flammability Rating 94V-0 Ideal for Low Power Amplification and Switching Moisture Sensitivity Level 1 ... See More ⇒
..2. Size:770K mcc
mmst5551.pdf
MMST5551 Features Halogen Free Available Upon Request By Adding Suffix "-HF" Moisture Sensitivity Level 1 Epoxy Meets UL 94 V-0 Flammability Rating NPN Lead Free Finish/RoHS Compliant ("P" Suffix Designates RoHS Small Signal Compliant. See Ordering Information) Transistor Maximum Ratings SOT-323 Operating Junction Temperature Range -55 to +150 Storage... See More ⇒
..3. Size:1528K jiangsu
mmst5551.pdf
JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD J C T SOT-323 Plastic-Encapsulate Transistors MMST5551 TRANSISTOR (NPN) SOT 323 FEATURES Complementary to MMST5401 Small Surface Mount Package Ideal for Medium Power Amplification and Switching MARKING K4N 1. BASE 2. EMITTER MAXIMUM RATINGS (Ta=25 unless otherwise noted) 3. COLLECTOR Symbol Parameter... See More ⇒
..4. Size:361K htsemi
mmst5551.pdf
MMST5551 TRANSISTOR(NPN) SOT 323 FEATURES Complementary to MMST5401 Small Surface Mount Package Ideal for Medium Power Amplification and Switching MARKING K4N 1. BASE 2. EMITTER MAXIMUM RATINGS (Ta=25 unless otherwise noted) 3. COLLECTOR Symbol Parameter Value Unit V Collector-Base Voltage 180 V CBO V Collector-Emitter Voltage 160 V CEO V Emitter-... See More ⇒
..5. Size:336K kexin
mmst5551.pdf
SMD Type Transistors NPN Transistors MMST5551 (KMST5551) Features Small Surface Mount Package Ideal for Medium Power Amplification and Switching Complementary to MMST5401 1.Base 2.Emitter 3.Collector Absolute Maximum Ratings Ta = 25 Parameter Symbol Rating Unit Collector - Base Voltage VCBO 180 Collector - Emitter Voltage VCEO 160 V Emitter - Base Volt... See More ⇒
..6. Size:321K cn yangzhou yangjie elec
mmst5551.pdf
RoHS COMPLIANT MMST5551 NPN General Purpose Amplifier Features Epoxy meets UL-94 V-0 flammability rating Halogen free available upon request by adding suffix HF Moisure Sensitivity Level 1 Marking K4N Maximum Rantings (Ta=25 ) Item Symbol Unit Conditions Value Collector-Emitter Voltage* VCEO V IC=1.0mAdc, IB=0 160 Collector-Base Voltage VCBO V IC... See More ⇒
9.1. Size:70K diodes
mmst5401.pdf
SPICE MODEL MMST5401 MMST5401 PNP SMALL SIGNAL SURFACE MOUNT TRANSISTOR Features Epitaxial Planar Die Construction SOT-323 Complementary NPN Type Available (MMST5551) A Dim Min Max Ideal for Medium Power Amplification and Switching C A 0.25 0.40 Ultra-Small Surface Mount Package B 1.15 1.35 B C Available in Lead Free/RoHS Compliant Version (Note 2) C 2.00 2.20 B E D 0... See More ⇒
9.2. Size:183K mcc
mmst5401.pdf
MCC TM Micro Commercial Components 20736 Marilla Street Chatsworth MMST5401 Micro Commercial Components CA 91311 Phone (818) 701-4933 Fax (818) 701-4939 Features Power dissipation 200mW (Tamb=25 ) PNP Small Signal Collector current -0.2A Marking K4M Transistors Operating and Storage junction temperature range -55 to + 150 Lead Free Finish/RoHS ... See More ⇒
9.3. Size:1514K jiangsu
mmst5401.pdf
JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD J C T SOT-323 Plastic-Encapsulate Transistors MMST5401 TRANSISTOR (PNP) SOT 323 FEATURES Complementary to MMST5551 Small Surface Mount Package Ideal for Medium Power Amplificationand Switching MARKING K4M 1. BASE 2. EMITTER MAXIMUM RATINGS (Ta=25 unless otherwise noted) 3. COLLECTOR Symbol Parameter ... See More ⇒
9.4. Size:359K htsemi
mmst5401.pdf
MMST5401 TRANSISTOR(PNP) SOT 323 FEATURES Complementary to MMST5551 Small Surface Mount Package Ideal for Medium Power Amplificationand Switching MARKING K4M 1. BASE 2. EMITTER MAXIMUM RATINGS (Ta=25 unless otherwise noted) 3. COLLECTOR Symbol Parameter Value Unit V Collector-Base Voltage -160 V CBO V Collector-Emitter Voltage -150 V CEO V Emitter... See More ⇒
9.5. Size:329K kexin
mmst5401.pdf
SMD Type Transistors PNP Transistors MMST5401 (KMST5401) Features Small Surface Mount Package Ideal for Medium Power Amplificationand Switching Complementary to MMST5551 1.Base 2.Emitter 3.Collector Absolute Maximum Ratings Ta = 25 Parameter Symbol Rating Unit Collector - Base Voltage VCBO -160 Collector - Emitter Voltage VCEO -150 V Emitter - Base Vol... See More ⇒
9.6. Size:322K cn yangzhou yangjie elec
mmst5401.pdf
RoHS COMPLIANT MMST5401 PNP General Purpose Amplifier Features Epoxy meets UL-94 V-0 flammability rating Halogen free available upon request by adding suffix HF Moisure Sensitivity Level 1 Marking K4M Maximum Rantings (Ta=25 ) Item Symbol Unit Conditions Value Collector-Emitter Voltage* VCEO V IC=-1.0mAdc, IB=0 -150 Collector-Base Voltage VCBO ... See More ⇒
Detailed specifications: FZT560, FZTA42, IMX8, MMDT5401, MMDT5451, MMDT5551, MMDTA42, MMST5401, BC557, MMSTA42, MMSTA92, ZDT694, ZDT795A, ZTX560, ZX5T955G, ZX5T955Z, ZXTN08400BFF
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