Infineon Technologies IRF840PBF

View All Single, Pre-Biased Bipolar Transistors by Infineon Technologies

Part Number:
IRF840PBF
Manufacturer:
Infineon Technologies
Category:
Single, Pre-Biased Bipolar Transistors
RoHs:
Non-RoHS Compliant
Datasheet:
Description:
MOSFET N-CH 500V 8A TO220AB
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Specifications

Type

Paramete

Type

Paramete

Grade

Current - Continuous Drain (Id) @ 25°C

8A (Tc)

Drive Voltage (Max Rds On, Min Rds On)

10V

Input Capacitance (Ciss) (Max) @ Vds

1300 pF @ 25 V

Drain to Source Voltage (Vdss)

500 V

Power Dissipation (Max)

125W (Tc)

Rds On (Max) @ Id, Vgs

850mOhm @ 4.8A, 10V

Qualification

Vgs (Max)

±20V

Technology

MOSFET (Metal Oxide)

Package / Case

TO-220-3

Vgs(th) (Max) @ Id

4V @ 250µA

Operating Temperature

-55°C ~ 150°C (TJ)

Gate Charge (Qg) (Max) @ Vgs

63 nC @ 10 V

Mounting Type

Through Hole

Supplier Device Package

TO-220AB

FET Type

N-Channel

FET Feature

Overview

TFDU4301‑TT3 – Complete Datasheet Summary

1. Basic Identification

Full Part Number: TFDU4301‑TT3
Manufacturer: Vishay Semiconductors
Device Type: Infrared Transceiver Module for IrDA® SIR
Data Rate: Up to 115.2 kbit/s
Communication Range: Up to 1 meter
Mounting Style: Top‑view surface mount
Packaging: Tape‑and‑reel, 2500 pieces per reel
Compliance: RoHS compliant, halogen‑free, green
Weight: 77 mg
Document Revision: Rev. 1.9 (10‑Apr‑2024), Document Number: 81965

2. Key Features

Fully compliant with IrDA physical layer specification
Ultra‑low power consumption: typ. 70 µA in idle, < 1 µA in shutdown
Integrated PIN photodiode, IR emitter, and low‑power control IC
Built‑in over‑current protection (TXD > 100 μs)
Push‑pull RXD output (no external pull‑up/down required)
Wide supply voltage range: 2.4 V to 5.5 V
Eye‑safe: Class 1 (IEC 60825‑1), exempt (IEC 62471)
ESD protection: 2 kV (JESD22‑A114)
Reflow solderable, MSL 4 moisture sensitivity level

3. Mechanical Dimensions

Module Size: 3.1 mm (H) × 8.5 mm (L) × 2.5 mm (W)
Package: 8‑pin SMD, top‑view
Pin Pitch: 0.95 mm
Tape Width: 16 mm
Reel Dimensions: 330 mm (max diameter), 16 mm tape width
Tolerance: ±0.2 mm (unless otherwise noted)

4. Pin Configuration

Pin	Name	Function	I/O Type
1	VCC2	IRED anode power supply	Power
2	IRED_C	IRED cathode	Output
3	TXD	Serial transmit data input	Input
4	RXD	Received data output	Output
5	SD	Shutdown control (active high)	Input
6	VCC1	Logic supply voltage	Power
7	NC	Not connected	—
8	GND	Ground	Power

5. Absolute Maximum Ratings

Parameter	Value	Unit
VCC1, VCC2	−0.5 to +6	V
Input voltage (TXD, SD)	−0.5 to +6	V
RXD output voltage	−0.5 to VCC1+0.5	V
IRED DC current	85	mA
Repetitive pulsed IRED current	430	mA
Power dissipation	250	mW
Operating / Storage temperature	−25 to +85	°C
Junction temperature	125	°C
Soldering peak temperature	260	°C

6. Electrical Characteristics

(Tamb = 25°C, VCC1 = VCC2 = 2.4–5.5 V)

Parameter	Min	Typ	Max	Unit
Supply voltage	2.4	—	5.5	V
Data rate	9.6	—	115.2	kbit/s
Idle supply current (ICC1)	40	70	110	µA
Shutdown current (ISD)	0.01	—	1	µA
Input low voltage (TXD, SD)	—	—	0.4	V
Input high voltage (TXD)	VCC1−0.5	—	6	V
Input high voltage (SD)	VCC1−0.3	—	6	V
RXD output low voltage	—	—	0.15×VCC1	V
RXD output high voltage	0.8×VCC1	—	—	V

7. Optoelectronic Characteristics

Receiver

Parameter	Min	Typ	Max	Unit
Minimum irradiance	—	20	50	mW/m²
Rise/fall time (RXD)	10	30	80	ns
Output pulse width	1.7	2.2	3	µs
Receiver startup delay	—	100	500	µs

Transmitter

Parameter	Min	Typ	Max	Unit
IRED forward current	200	300	430	mA
IRED forward voltage	1.4	1.8	1.9	V
Radiant intensity	50	200	400	mW/sr
Peak wavelength	870	—	910	nm
Half intensity angle	—	±30	—	°

8. Truth Table

SD	TXD	Optical Input	RXD	Transmitter	Mode
High	X	X	Floating (weak pull‑up)	Off	Shutdown
Low	High	X	Low	On	Transmitting
Low	Low	Above threshold	Low	Off	Receiving
Low	Low	Overload	Undefined	Off	Overload

9. Recommended Application Circuit

VCC1 / VCC2: 2.4–5.5 V
C1: 4.7 µF (fast capacitor near supply pins)
C2: 0.1 µF ceramic (close to device)
R2: 47 Ω (optional supply filter)
R1: Optional IRED current limiter

10. Packaging & Ordering

Part: TFDU4301‑TT3
Mount: Top‑view SMD
Quantity: 2500 pcs per reel
Tape: 16 mm embossed tape
MSL: Level 4 (72‑hour floor life at 30°C/60% RH)
Dry packing: Sealed anti‑humidity bag

11. Typical Applications

Short‑range IrDA wireless data transfer
Battery‑powered consumer electronics
Industrial and medical IR communication
RF‑sensitive environments
Mobile accessories and peripherals

12. Reliability & Safety

ESD: 2 kV (HBM)
Latch‑up: ±100 mA
Thermal resistance: RthJA = 300 K/W
Reflow soldering: max 260°C, ≤20 s above liquidus
Baking condition: 192 h at 40°C or 96 h at 60°C (if moisture‑exposed)

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