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Order this document SEMICONDUCTOR TECHNICAL DATA by BAT54SWT1/D Motorola Preferred Device These Schottky barrier diodes are designed for high speed switching applications, circuit protection, and voltage clamping. Extremely low forward voltage reduces conduction loss. Miniature surface mount package is excellent for hand held and portable applications where space is limited. 30 VOLT • Extremely Fast Switching Speed DUAL SERIES SCHOTTKY BARRIER • Low Forward Voltage — 0.35 Volts (Typ) @ IF = 10 mAdc DIODES12ANODE CATHODE 3 CATHODE/ANODE 1 CASE 419–02, STYLE 9 SOT–323 (SC–70) MAXIMUM RATINGS (TJ...
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Order this document SEMICONDUCTOR TECHNICAL DATA by BAT54SWT1/D

Motorola Preferred Device These Schottky barrier diodes are designed for high speed switching applications, circuit protection, and voltage clamping. Extremely low forward voltage reduces conduction loss. Miniature surface mount package is excellent for hand held and portable applications where space is limited. 30 VOLT • Extremely Fast Switching Speed DUAL SERIES SCHOTTKY BARRIER • Low Forward Voltage — 0.35 Volts (Typ) @ IF = 10 mAdc DIODES12ANODE CATHODE 3 CATHODE/ANODE 1 CASE 419–02, STYLE 9 SOT–323 (SC–70) MAXIMUM RATINGS (TJ = 125°C unless otherwise noted) Rating Symbol Value Unit Reverse Voltage VR 30 Volts Forward Power Dissipation PF @ TA = 25°C 200 mW Derate above 25°C 1.6 mW/°C Forward Current (DC) IF 200 Max mA Junction Temperature TJ 125 Max °C Storage Temperature Range Tstg –55 to +150 °C DEVICE MARKING BAT54SWT1 = B8 ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted) (EACH DIODE) Characteristic Symbol Min Typ Max Unit Reverse Breakdown Voltage (IR = 10 µA) V(BR)R 30 — — Volts Total Capacitance (VR = 1.0 V, f = 1.0 MHz) CT — 7.6 10 pF Reverse Leakage (VR = 25 V) IR — 0.5 2.0 µAdc Forward Voltage (IF = 0.1 mAdc) VF — 0.22 0.24 Vdc Forward Voltage (IF = 30 mAdc) VF — 0.41 0.5 Vdc Forward Voltage (IF = 100 mAdc) VF — 0.52 1.0 Vdc Reverse Recovery Time trr — — 5.0 ns (IF = IR = 10 mAdc, IR(REC) = 1.0 mAdc) Figure 1 Forward Voltage (IF = 1.0 mAdc) VF — 0.29 0.32 Vdc Forward Voltage (IF = 10 mAdc) VF — 0.35 0.40 Vdc Forward Current (DC) IF — — 200 mAdc Repetitive Peak Forward Current IFRM — — 300 mAdc Non–Repetitive Peak Forward Current (t < 1.0 s) IFSM — — 600 mAdc Preferred devices are Motorola recommended choices for future use and best overall value. Thermal Clad is a registered trademark of the Bergquist Company. REV 3 Motorola Small–Signal Transistors, FETs and Diodes Device Data 5–1 Motorola, Inc. 1997, 820 Ω +10V2k0.1 µFIttF100 µH IFrpt0.1 µF 10% trr t

DUT

50 Ω OUTPUT 50 Ω INPUT 90% PULSE SAMPLING iR(REC) = 1 mA GENERATOR OSCILLOSCOPE IV RR OUTPUT PULSE INPUT SIGNAL (IF = IR = 10 mA; measured at iR(REC) = 1 mA) Notes: 1. A 2.0 kΩ variable resistor adjusted for a Forward Current (IF) of 10 mA. Notes: 2. Input pulse is adjusted so IR(peak) is equal to 10 mA. Notes: 3. tp » trr

Figure 1. Recovery Time Equivalent Test Circuit

100 1000 TA = 150°C TA = 125°C 10 1 50°C 10 1.0 1 25°C TA = 85°C 1.0 0.1 85°C 25°C – 40°C 0.01– 55°C TA = 25°C 0.1 0.001 0.0 0.1 0.2 0.3 0.4 0.5 0.60510 15 20 25 30 V , FORWARD VOLTAGE (VOLTS) VR, REVERSE VOLTAGE (VOLTS)F

Figure 2. Forward Voltage Figure 3. Leakage Current

0 5 10 15 20 25 30 VR, REVERSE VOLTAGE (VOLTS)

Figure 4. Total Capacitance

5–2 Motorola Small–Signal Transistors, FETs and Diodes Device Data IF, FORWARD CURRENT (mA) CT , TOTAL CAPACITANCE (pF) IR, REVERSE CURRENT (µA),

INFORMATION FOR USING THE SOT–323 SURFACE MOUNT PACKAGE

MINIMUM RECOMMENDED FOOTPRINT FOR SURFACE MOUNTED APPLICATIONS Surface mount board layout is a critical portion of the total interface between the board and the package. With the design. The footprint for the semiconductor packages must correct pad geometry, the packages will self align when be the correct size to insure proper solder connection subjected to a solder reflow process. 0.025 0.025 0.65 0.65 0.075 1.9 0.035 0.9 0.028 0.7 inches mm SC–70/SOT–323 POWER DISSIPATION The power dissipation of the SC–70/SOT–323 is a function SOLDERING PRECAUTIONS of the collector pad size. This can vary from the minimum The melting temperature of solder is higher than the rated pad size for soldering to the pad size given for maximum temperature of the device. When the entire device is heated power dissipation. Power dissipation for a surface mount to a high temperature, failure to complete soldering within a device is determined by TJ(max), the maximum rated junction short time could result in device failure. Therefore, the temperature of the die, RθJA, the thermal resistance from the following items should always be observed in order to device junction to ambient; and the operating temperature, minimize the thermal stress to which the devices are TA. Using the values provided on the data sheet, PD can be subjected. calculated as follows. • Always preheat the device. TJ(max) – TA • The delta temperature between the preheat and PD = RθJA soldering should be 100°C or less.* • When preheating and soldering, the temperature of the The values for the equation are found in the maximum leads and the case must not exceed the maximum ratings table on the data sheet. Substituting these values into temperature ratings as shown on the data sheet. When the equation for an ambient temperature TA of 25°C, one can using infrared heating with the reflow soldering method, calculate the power dissipation of the device which in this the difference should be a maximum of 10°C. case is 200 milliwatts. • The soldering temperature and time should not exceed 150°C – 25°C 260°C for more than 10 seconds.PD = = 200 milliwatts625°C/W • When shifting from preheating to soldering, the maximum temperature gradient should be 5°C or less. The 625°C/W assumes the use of the recommended • After soldering has been completed, the device should footprint on a glass epoxy printed circuit board to achieve a be allowed to cool naturally for at least three minutes. power dissipation of 200 milliwatts. Another alternative would Gradual cooling should be used as the use of forced be to use a ceramic substrate or an aluminum core board cooling will increase the temperature gradient and result such as Thermal Clad. Using a board material such as in latent failure due to mechanical stress. Thermal Clad, a power dissipation of 300 milliwatts can be • Mechanical stress or shock should not be applied during achieved using the same footprint. cooling * Soldering a device without preheating can cause excessive thermal shock and stress which can result in damage to the device. Motorola Small–Signal Transistors, FETs and Diodes Device Data 5–3,

PACKAGE DIMENSIONS A NOTES: L 1. DIMENSIONING AND TOLERANCING PER ANSI

Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3 INCHES MILLIMETERS

S B DIM MIN MAX MIN MAX

A 0.071 0.087 1.80 2.2012B0.045 0.053 1.15 1.35 C 0.035 0.049 0.90 1.25 D 0.012 0.016 0.30 0.40

VDG0.047 0.055 1.20 1.40H 0.000 0.004 0.00 0.10 G J 0.004 0.010 0.10 0.25

K 0.017 REF 0.425 REF L 0.026 BSC 0.650 BSC N 0.028 REF 0.700 REF R 0.031 0.039 0.80 1.00

CRNJS0.079 0.087 2.00 2.20

V 0.012 0.016 0.30 0.40 0.05 (0.002)

H K STYLE 9:

PIN 1. ANODE 2. CATHODE 3. CATHODE–ANODE

CASE 419–02 ISSUE H SOT–323 (SC–70)

Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters which may be provided in Motorola data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. Motorola does not convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer. Mfax is a trademark of Motorola, Inc. How to reach us: USA/EUROPE/Locations Not Listed: Motorola Literature Distribution; JAPAN: Nippon Motorola Ltd.: SPD, Strategic Planning Office, 4–32–1, P.O. Box 5405, Denver, Colorado 80217. 303–675–2140 or 1–800–441–2447 Nishi–Gotanda, Shinagawa–ku, Tokyo 141, Japan. 81–3–5487–8488 Mfax: email is hidden – TOUCHTONE 602–244–6609 ASIA/PACIFIC: Motorola Semiconductors H.K. Ltd.; 8B Tai Ping Industrial Park, – US & Canada ONLY 1–800–774–1848 51 Ting Kok Road, Tai Po, N.T., Hong Kong. 852–26629298 INTERNET: http://motorola.com/sps 5–4 ◊ Motorola Small–Signal Transistors, FETs and Diodes DeBvAicTe5 4DSaWtaT1/D]
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