BC857BT (1) datasheet pdf

DS30275 Rev. 2 - 21 of 2BC857AT, BT, CT BC857AT, BT, CT PNP SMALL SIGNAL SURFACE MOUNT TRANSISTOR Notes: 1. Device mounted on FR-4 PCB, 1 inch x 0.85 inch x 0.062 inch; pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on ourwebsite at http://www.diodes.com/datasheets/ap02001.pdf. CharacteristicSymbolValueUnit Collector-Base Voltage V CBO -50 V Collector-Emitter Voltage V CEO -45 V Emitter-Base Voltage V EBO -5.0V Collector Current I C -100mA Power Dissipation (Note 1) P d 150mW Thermal Resistance, Junction to Ambient (Note 1) R qJA 833°C/W Operating and Storage Temperature Range T j ,T STG -55 to +150°C TypeMarking BC857AT3V BC857BT3W BC857CT3G Maximum Ratings @ T A = 25°C unless otherwise specified Features · Epitaxial Die Construction · Complementary NPN Types Available (BC847AT, BT, CT) · Ultra-Small Surface Mount Package Mechanical Data · Case: SOT-523, Molded Plastic · Case material - UL Flammability Rating Classification 94V-0 · Moisture sensitivity: Level 1 perJ-STD-020A · Terminals: Solderable per MIL-STD-202, Method 208 · Terminal Connections: See Diagram · Weight: 0.002 grams (approx.) · Marking Codes (See Table Below & Diagrams on Page 2) ·Ordering & Date Code Information: See Page 2 NEW PRODUCT SOT-523 Dim Min Max Typ A 0.15 0.30 0.22 B 0.75 0.85 0.80 C 1.45 1.75 1.60 D ¾¾0.50 G 0.90 1.10 1.00 H 1.50 1.70 1.60 J 0.00 0.10 0.05 K 0.60 0.80 0.75 L 0.10 0.30 0.22 M 0.10 0.20 0.12 N 0.45 0.65 0.50 a 0°8°¾ All Dimensions in mm A M J L D B C H K G TOP VIEW C E B a

Features

• -50
• -45
• -5.0V
• -100mA
• -55 to +150°C
• 0.15 0.30 0.22
• 0.75 0.85 0.80
• 1.45 1.75 1.60
• 0.90 1.10 1.00
• 1.50 1.70 1.60
• 0.00 0.10 0.05
• 0.60 0.80 0.75
• 0.10 0.30 0.22
• 0.10 0.20 0.12
• 0.45 0.65 0.50