Datasheet

ManualsBrandsST ManualsDiscrete SemiconductorsDarlington Transistor, SOT-23, NPN, 500V

This is information on a product in full production.

May 2014 DocID022364 Rev 5 1/9

STR1550

High voltage fast-switching NPN power transistor

Datasheet

production data

Figure 1. Internal schematic diagram

Features

• Excellent h

linearity up to 50 mA

• Miniature SOT-23 plastic package for surface

mounting circuits

• Tape and reel packaging

• The PNP complementary type is STR2550

Applications

• LED driving

Description

This device is a high voltage fast-switching NPN

power transistor, manufactured using diffused

collector planar technology for high switching

speeds.

It employs a base island structure with planar

edge termination to enhance switching speeds,

while maintaining a wide RBSOA.

SOT-23

Table 1. Device summary

Order code Marking Package Packing

STR1550 1550 SOT-23 Tape and reel

www.st.com

Summary of content (9 pages)

PAGE 1
STR1550 High voltage fast-switching NPN power transistor Datasheet - production data Features • Excellent hFE linearity up to 50 mA • Miniature SOT-23 plastic package for surface mounting circuits 3 • Tape and reel packaging 2 • The PNP complementary type is STR2550 1 SOT-23 Applications • LED driving Description Figure 1. Internal schematic diagram This device is a high voltage fast-switching NPN power transistor, manufactured using diffused collector planar technology for high switching speeds.
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Contents STR1550 Contents 1 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 Electrical characteristics (curves) .............................. 5 3 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 4 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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STR1550 1 Electrical ratings Electrical ratings Table 2. Absolute maximum ratings Symbol Parameter Value Unit VCBO Collector-base voltage (IE = 0) 500 V VCEO Collector-emitter voltage (IB = 0) 500 V VEBO Emitter-base voltage (IC = 0) 9 V 0.5 A 1 A 500 mW -65 to 150 °C 150 °C Value Unit 250 °C/W IC ICM Collector current Collector peak current (tP < 5 ms) PTOT Total dissipation at Tamb = 25 °C TSTG Storage temperature TJ Max. operating junction temperature Table 3.
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Electrical characteristics 2 STR1550 Electrical characteristics Tcase = 25 °C unless otherwise specified. Table 4. Electrical characteristics Symbol ICBO V(BR)CBO Parameter Test conditions Max. Unit 10 µA VCB = 500 V Collector-base breakdown voltage (IE = 0) IC = 100 µA 500 V IC = 1 mA 500 V IE = 100 µA 12 V V(BR)EBO Emitter-base breakdown voltage (IC = 0) VCE(sat) (1) Collector-emitter saturation voltage VBE(sat) (1) VBE(on) hFE Typ.
PAGE 5
STR1550 Electrical characteristics Figure 4. VCE(sat) vs. IC @ hFE= 5 Figure 5. VCE(sat) vs. IC @ hFE= 10 AM17434v1 VCE(sat) (V) AM17436v1 VCE(sat) (V) 0.8 0.8 0.7 -55°C -55°C 0.7 0.6 0.6 0.5 0.5 0.4 0.4 0.3 0.3 25°C 0.2 25°C 0.2 0.1 0.1 100°C 0 0.001 0.01 IC(A) 0.1 Figure 6. VBE(sat) vs. IC @ hFE= 5 -55°C 25°C 1.0 0.9 0.8 0.6 0.6 0.5 0.5 0.4 0.4 0.3 0.3 IC(A) 0.1 IC(A) AM17437v1 -55°C 25°C 0.7 100°C 0.01 0.1 1.0 0.8 0.2 0.001 0.01 VBE(sat) (V) 0.9 0.
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Package mechanical data 3 STR1550 Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK® is an ST trademark. Figure 9.
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STR1550 Package mechanical data Table 5. SOT-23 mechanical data mm Dim. Min. Typ. Max. A 0.89 1.40 A1 0 0.10 B 0.30 0.51 C 0.085 0.18 D 2.75 3.04 e 0.85 1.05 e1 1.70 2.10 E 1.20 1.75 H 2.10 3.00 L 0.60 S 0.35 0.65 L1 0.25 0.55 a 0° 8° Figure 10. SOT-23 recommended footprint (a) 0.48 0.95 2.89 0.97 0.99 SOT-23 footp_I a. Dimensions are in mm.
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Revision history 4 STR1550 Revision history Table 6. 8/9 Document revision history Date Revision Changes 17-Oct-2011 1 Initial release 05-Jun-2012 2 Modified: features, Table 4 (VCE(sat) values, hFE test conditions and values) 21-May-2013 3 – Modified: Table 4 (VBE(sat) values, hFE max. value and V(BR)EBO min. value – Inserted: VBE(on) – Modified: Table 4 (hFE max.
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STR1550 Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale.