1N4148WS/1N4448WS/1N914BWS 200mW High Speed SMD Switching Diode Small Signal Product Features SOD-323F ◇ Fast switching device(Trr<4.0nS) ◇ Surface device type mounting ◇ Moisture sensitivity level 1 ◇ Matte Tin(Sn) lead finish with Nickel(Ni) underplate ◇ Pb free version and RoHS compliant ◇ Green compound (Halogen free) with suffix "G" on packing code and prefix "G" on date code Mechanical Data ◇ Case : Flat lead SOD-323F small outline plastic package ◇ Terminal : Matte tin plated, solderable per MIL-STD-202, method 208 guaranteed ◇ High temperature soldering guaranteed : 260°C/10s ◇ Polarity : Indicated by cathode band ◇ Weight : 4.85 ± 0.5 mg ◇ Marking Code : S1, S2, S3 Ordering Information (example) Part No. Package Packing Packing code Packing code (Green) 1N4148WS SOD-323F 3K / 7" Reel RR RRG Manufacture code Note : Detail please see "Ordering Information(detail, example)" below. Maximum Ratings and Electrical Characteristics Rating at 25°C ambient temperature unless otherwise specified. Maximum Ratings Parameter Symbol Value Units Power Dissipation PD 200 mW Non-Repetitive Peak Reverse Voltage VRM 100 V Repetitive Peak Reverse Voltage VRRM 75 V Reverse Voltage VR 100 V Non-Repetitive Peak Forward Current IFRM 300 mA IO 150 Thermal Resistance (Junction to Ambient) RθJA 625 Junction and Storage Temperature Range TJ , TSTG -65 to + 150 Mean Forward Current mA o C/W o C Electrical Characteristics Parameter IR=100µA Reverse Breakdown Voltage Min Max 100 - 75 - 0.62 0.72 - 1.0 1.0 25 nA - 5.0 µA CJ - 4.0 pF Trr - 4.0 ns Symbol IR=5µA V(BR) Units V Forward Voltage Reverse Leakage Current Junction Capacitance Reverse Recovery Time 1N4448WS, 1N914BWS IF=5.0mA 1N4148WS 1N4448WS, 1N914BWS IF=10.0mA IF=100.0mA VR=20V VR=75V VR=0, f=1.0MHz IF=10mA, IR=60mA, RL=100Ω, IRR=1mA VF IR Version : G14 V Small Signal Product RATINGS AND CHARACTERISTIC CURVES Fig. 1 Forward Voltage VS. Forward Current Fig. 2 Reverse Current vs Reverse Voltage 1.4 100 1 Reverse Current (uA) Forward Voltage (V) 1.2 25°C 0.8 0.6 0.4 125°C 10 Ta=25°C 1 0.1 0.2 0 0.01 0.01 0.1 1 10 100 1000 0 20 40 Forward Current (mA) 80 100 120 Fig. 4 Typical Junction Capacitance Fig. 3 Admissible Power Dissipation Curve 1.2 250 1.1 Junction Capacitance (pF) VR=0V Tj=25°C f=1MHz 200 Power Dissipation (mW) 60 Reverse Volatge (V) 150 100 50 0 0 25 50 75 100 125 Ambient Temperature (°C) 150 175 1 0.9 0.8 0.7 0.6 0 1 2 3 4 5 6 7 8 9 10 Reverse Voltage (V) Version : G14 Small Signal Product Ordering information (Detail, example) Packing Packing code Packing code (Green) 3K / 7" Reel RR RRG 3K / 7" Reel RQ RQG SOD-323 3K / 7" Reel RR RRG SOD-323 3K / 7" Reel RR RRG Part No. Package 1NxxxxWS (Note 1) SOD-323 1N4148WS 1N4148WS Manufacture code (Note 2) Note 1 : "xxxx" is Device Code from "4148" to "914B". Note 2 : Manufacture special control, if empty means no special control requirement. Tape & Reel specification Item Carrier depth Sprocket hole Reel outside diameter Reel inner diameter Feed hole width Sprocket hole position Punch hole position Sprocket hole pitch Embossment center Overall tape thickness Tape width Reel width Symbol K D A D1 D2 E F P0 P1 T W W1 Dimension(mm) 2.40 Max. 1.5 ± 0.1 178 ± 1 50 Min. 13.0 ± 0.5 1.75 ±0.10 3.50 ±0.05 4.00 ±0.10 2.00 ±0.10 0.6 Max. 8.30 Max. 14.4 Max Note 1 : A0, B0, and K0 are determined by component size. The clearance between the components and the cavity must be within 0.05 mm min. to 0.5 mm max. The component cannot rote more than 10o within the determined cavity. Note 2 : If B1 exceeds 4.2mm(0.165") for 8 mm embossed tape, the tape may not feed through all tape feeders. Version : G14 Dimensions DIM. A Unit (mm) Unit (inch) Min Max Min Max 1.15 1.35 0.045 0.053 B 2.30 2.80 0.091 0.110 C 0.25 0.40 0.010 0.016 D 1.60 1.80 0.063 0.071 E 0.80 1.10 0.031 0.043 F 0.05 0.25 0.002 0.010 Suggested PAD Layout DIM. Unit(mm) Unit(inch) Typ. Typ. X 0.710 0.028 X1 2.900 0.114 Y 0.403 0.016 Marking Part No. 1N4148WS Marking 1N4448WS S2 1N914BWS S3 S1 Note : 1. The suggested land pattern dimensions have been provided for reference only, as actual pad layouts may vary depending on application. Version : G14