BC857AT-7

BC857AT, BT, CT PNP SMALL SIGNAL SURFACE MOUNT TRANSISTOR Features NEW PRODUCT · · · Epitaxial Die Construction Complementary NPN Types Available (BC847AT, BT, CT) Ultra-Small Surface Mount Package SOT-523 A C Dim A B C BC E Min 0.15 0.75 1.45 ¾ 0.90 1.50 0.00 0.60 0.10 0.10 0.45 0° Max 0.30 0.85 1.75 ¾ 1.10 1.70 0.10 0.80 0.30 0.20 0.65 8° Typ 0.22 0.80 1.60 0.50 1.00 1.60 0.05 0.75 0.22 0.12 0.50 ¾ Mechanical Data · · · · · · · · Case: SOT-523, Molded Plastic Case material - UL Flammability Rating Classification 94V-0 Moisture sensitivity: Level 1 per J-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 Type BC857AT BC857BT BC857CT Marking 3V 3W 3G @ TA = 25°C unless otherwise specified B TOP VIEW D G H J M G H K K L M a N a J D L All Dimensions in mm Maximum Ratings Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Collector Current Power Dissipation (Note 1) Characteristic Symbol VCBO VCEO VEBO IC Pd RqJA Tj, TSTG Value -50 -45 -5.0 -100 150 833 -55 to +150 Unit V V V mA mW °C/W °C Thermal Resistance, Junction to Ambient (Note 1) Operating and Storage Temperature Range 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. DS30275 Rev. 2 - 2 1 of 2 BC857AT, BT, CT Electrical Characteristics @ TA = 25°C unless otherwise specified Symbol V(BR)CBO V(BR)CEO V(BR)EBO Current Gain A B C hFE VCE(SAT) VBE(SAT) VBE(ON) ICBO fT COB NF Min -50 -45 -5 125 220 420 — — — -600 — — — 100 — — Typ — — — — 290 520 — — -700 -900 — — — — — — — Max — — — 250 475 800 -300 -650 — — -750 -820 -15 -4.0 — 4.5 10 Unit V V V — mV mV mV NA µA MHz pF dB Test Condition IC = 10mA, IB = 0 IC = 10mA, IB = 0 IE = 1mA, IC = 0 VCE = -5.0V, IC = -2.0mA IC = -10mA, IB = -0.5mA IC = -100mA, IB = -5.0mA IC = -10mA, IB = -0.5mA IC = -100mA, IB = -5.0mA VCE = -5.0V, IC = -2.0mA VCE = -5.0V, IC = -10mA VCB = -30V VCB = -30V, TA = 150°C VCE = -5.0V, IC = -10mA, f = 100MHz VCB = -10V, f = 1.0MHz IC = -0.2mA, VCE = -5.0Vdc, RS = 2.0KW, f = 1.0KHz, BW = 200Hz NEW PRODUCT Characteristic Collector-Base Breakdown Voltage (Note 2) Collector-Emitter Breakdown Voltage (Note 2) Emitter-Base Breakdown Voltage (Note 2) DC Current Gain (Note 2) Collector-Emitter Saturation Voltage (Note 2) Base-Emitter Saturation Voltage (Note 2) Base-Emitter Voltage (Note 2) Collector-Cutoff Current (Note 2) Gain Bandwidth Product Output Capacitance Noise Figure Ordering Information Device BC857AT-7 BC857BT-7 BC857CT-7 Notes: (Note 3) Packaging SOT-523 SOT-523 SOT-523 Shipping 3000/Tape & Reel 3000/Tape & Reel 3000/Tape & Reel 2. Short duration pulse test used to minimize self-heating effect. 3. For Packaging Details: go to ourwebsite at http://www.diodes.com/datasheets/ap02007.pdf. Marking Information XX = Product Type Marking Code (See Page 1), e.g. 3V = BC857AT YM = Date Code Marking Y = Year (ex: N = 2002) M = Month (ex: 9 = September) XXYM Date Code Key Year Code Month Code 1998 J Jan 1 Feb 2 1999 K March 3 2000 L Apr 4 2001 M May 5 Jun 6 2002 N Jul 7 Aug 8 2003 P Sep 9 Oct O 2004 R Nov N Dec D DS30275 Rev. 2 - 2 2 of 2 BC857AT, BT, CT