High voltage NPN transistor ST BUL49D suitable for flyback converters and halogen lamp transformers

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Product Description

Product Overview

The BUL49D and BULB49D are high voltage fast-switching NPN power transistors manufactured using high voltage multi-epitaxial planar technology. They offer high voltage capability, low spread of dynamic parameters, and very high switching speed, making them suitable for applications such as electronic transformers for halogen lamps and low-power flyback and forward converters.

Product Attributes

Brand: ST
Certifications: ECOPACK (for packages)

Technical Specifications

Order Code	Marking	Package	V_CES (V)	V_CEO (V)	I_C (A)	I_CM (A)	P_tot (W)	R_thj-case (C/W)	V_CEO(sus) (V)	V_CE(sat) (V)	h_FE	t_s (s)	t_f (s)
BUL49D	BUL49D	TO-220	850	450	5	10	80	1.56	450	0.1 (IC=1A, IB=0.2A) to 1.2 (IC=4A, IB=0.8A)	10 (IC=10mA, VCE=5V) to 60 (IC=7A, VCE=10V)	2 (Resistive) to 0.6 (Inductive)	3 (Resistive) to 50 (Inductive)
BUL49DFP	BUL49DFP	TO-220FP	850	450	5	10	34	3.67	450	0.1 (IC=1A, IB=0.2A) to 1.2 (IC=4A, IB=0.8A)	10 (IC=10mA, VCE=5V) to 60 (IC=7A, VCE=10V)	2 (Resistive) to 0.6 (Inductive)	3 (Resistive) to 50 (Inductive)
BULB49D-1	BULB49D	IPAK	850	450	5	10	80	1.56	450	0.1 (IC=1A, IB=0.2A) to 1.2 (IC=4A, IB=0.8A)	10 (IC=10mA, VCE=5V) to 60 (IC=7A, VCE=10V)	2 (Resistive) to 0.6 (Inductive)	3 (Resistive) to 50 (Inductive)
BULB49DT4	BULB49D	DPAK	850	450	5	10	80	1.56	450	0.1 (IC=1A, IB=0.2A) to 1.2 (IC=4A, IB=0.8A)	10 (IC=10mA, VCE=5V) to 60 (IC=7A, VCE=10V)	2 (Resistive) to 0.6 (Inductive)	3 (Resistive) to 50 (Inductive)