PBTR2045CT PHILIPS | Alldatasheet

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Technical content

Philips Semiconductors Product specification Rectifier diodes PBYR2045CT, PBYR2045CTB series Schottky barrier FEATURES SYMBOL QUICK REFERENCE DATA

  • Low forward volt drop VR = 40 V/ 45 V
  • Fast switching
  • Reverse surge capability IO(AV) = 20 A
  • High thermal cycling performance
  • Low thermal resistance VF ≤ 0.57 V GENERAL DESCRIPTION Dual, common cathode schottky rectifier diodes in a conventional leaded plastic package and a surface mounting plastic package. Intended for use as output rectifiers in low voltage, high frequency switched mode power supplies. The PBYR2045CT series is supplied in the SOT78 conventional leaded package. The PBYR2045CTB series is supplied in the SOT404 surface mounting package. PINNING SOT78 (TO220AB) SOT404 PIN DESCRIPTION 1 anode 1 (a) 2 cathode (k) 1 3 anode 2 (a) tab cathode (k) LIMITING VALUES Limiting values in accordance with the Absolute Maximum System (IEC 134) SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT PBYR20 40CT 45CT PBYR20 40CTB 45CTB VRRM Peak repetitive reverse - 40 45 V voltage VRWM Working peak reverse - 40 45 V voltage V R Continuous reverse voltage Tmb ≤ 106 ˚C - 40 45 V IO(AV) Average rectified forward square wave; δ = 0.5; - 20 A current (both diodes T mb ≤ 128 ˚C conducting) IFRM Repetitive peak forward square wave; δ = 0.5; - 20 A current per diode T mb ≤ 128 ˚C IFSM Non-repetitive peak forward t = 10 ms - 135 A current per diode t = 8.3 ms - 150 A sinusoidal; Tj = 125 ˚C prior to surge; with reapplied VRRM(max) IRRM Peak repetitive reverse pulse width and repetition rate - 1 A surge current per diode limited by T j max Tj Operating junction - 150 ˚C temperature Tstg Storage temperature - 65 175 ˚C 1. It is not possible to make connection to pin 2 of the SOT404 pckage. k a1 a2 tab 12 3 tab October 1998 1 Rev 1.400

Philips Semiconductors Product specification Rectifier diodes PBYR2045CT, PBYR2045CTB series Schottky barrier THERMAL RESISTANCES SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT R th j-mb Thermal resistance junction per diode - - 2 K/W to mounting base both diodes - - 1.5 K/W R th j-a Thermal resistance junction SOT78 package in free air - 60 - K/W to ambient SOT404 package, pcb mounted, minimum - 50 - K/W footprint, FR4 board

ELECTRICAL CHARACTERISTICS

Tj = 25 ˚C unless otherwise specified SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT V F Forward voltage per diode IF = 10 A; Tj = 125˚C - 0.45 0.57 V IF = 20 A; Tj = 125˚C - 0.64 0.72 V IF = 20 A - 0.64 0.84 V IR Reverse current per diode VR = VRWM - 0.3 1.3 mA VR = VRWM ; Tj = 100˚C - 22 35 mA C d Junction capacitance per VR = 5 V; f = 1 MHz, Tj = 25˚C to 125˚C - 380 - pF diode October 1998 2 Rev 1.400

Philips Semiconductors Product specification Rectifier diodes PBYR2045CT, PBYR2045CTB series Schottky barrier Fig.1. Maximum forward dissipation PF = f(IF(AV)) per diode; square current waveform where IF(AV) =IF(RMS) x √D. Fig.2. Maximum forward dissipation PF = f(IF(AV)) per diode; sinusoidal current waveform where a = form factor = IF(RMS) / IF(AV). Fig.3. Typical and maximum forward characteristic IF = f(VF); parameter Tj Fig.4. Typical reverse leakage current per diode; IR = f(VR ); parameter Tj Fig.5. Typical junction capacitance per diode; C d = f(VR ); f = 1 MHz; Tj = 25˚C to 125 ˚C. Fig.6. Transient thermal impedance per diode; Zth j-mb = f(tp). 0 5 10 15 D = 1.0 0.5 0.20.1 PBYR1045 Rs = 0.015 Ohms Vo = 0.42 V Average forward current, IF(AV) (A) Forward dissipation, PF (W) Tmb(max) (C) 150 146 142 138 134 130 T I D = tp tp T t 0 25 50 100 0.1 0.01 Reverse current, IR (mA) Reverse voltage, VR (V) PBYR2045CT 50 C 75 C 100 C 125 C Tj = 25 C 02468 1 0 a = 1.57 1.9 2.2 2.8 PBYR1045 Rs = 0.015 Ohms Vo = 0.42 V Average forward current, IF(AV) (A) Forward dissipation, PF (W) Tmb(max) (C) 150 148 146 144 142 140 138 136 134 1 10 100 1000 100 Cd / pF VR / V PBYR2045CT PBYR2045CT Forward voltage, VF (V) Forward current, IF (A) Tj = 25 C Tj = 125 C max typ 0.01 0.1 PBYR1645 1us 10us 100us 1ms 10ms 100ms 1s 10s pulse width, tp (s) Transient thermal impedance, Zth j-mb (K/W) D = tp tp T T P t D October 1998 3 Rev 1.400

Philips Semiconductors Product specification Rectifier diodes PBYR2045CT, PBYR2045CTB series Schottky barrier MECHANICAL DATA Dimensions in mm Net Mass: 2 g Fig.7. SOT78 (TO220AB); pin 2 connected to mounting base. Notes 1. Refer to mounting instructions for SOT78 (TO220) envelopes. 2. Epoxy meets UL94 V0 at 1/8". 10,3 max 3,7 2,8 3,03,0 max not tinned 1,3 max (2x) 123 2,4 0,6 4,5 max 5,9 min 15,8 max 1,3 2,54 2,54 0,9 max (3x) 13,5 min October 1998 4 Rev 1.400

Philips Semiconductors Product specification Rectifier diodes PBYR2045CT, PBYR2045CTB series Schottky barrier MECHANICAL DATA Dimensions in mm Net Mass: 1.4 g Fig.8. SOT404 : centre pin connected to mounting base. MOUNTING INSTRUCTIONS Dimensions in mm Fig.9. SOT404 : soldering pattern for surface mounting. Notes 1. Epoxy meets UL94 V0 at 1/8". 11 max 4.5 max 1.4 max 10.3 max 0.5 15.4 2.5 0.85 max (x2) 2.54 (x2) 17.5 11.5 9.0 5.08 3.8 2.0 October 1998 5 Rev 1.400

Philips Semiconductors Product specification Rectifier diodes PBYR2045CT, PBYR2045CTB series Schottky barrier DEFINITIONS Data sheet status Objective specification This data sheet contains target or goal specifications for product development. Preliminary specification This data sheet contains preliminary data; supplementary data may be published later. Product specification This data sheet contains final product specifications. Limiting values Limiting values are given in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of this specification is not implied. Exposure to limiting values for extended periods may affect device reliability.

Application information

Where application information is given, it is advisory and does not form part of the specification.  Philips Electronics N.V. 1998 All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, it is believed to be accurate and reliable and may be changed without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license under patent or other industrial or intellectual property rights. LIFE SUPPORT APPLICATIONS These products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Philips customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale. October 1998 6 Rev 1.400