KBJ410G Bridge Rectifier Equivalent & Substitute Parts

Part Overview

The KBJ410G is a single-phase bridge rectifier manufactured by Diodes Incorporated, rated for 1 kV peak reverse voltage and 4 A average rectified current. This component is designed for through-hole mounting in 4-SIP KBJ package configuration and operates across the temperature range of -65°C to 150°C. The part maintains Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1).

Substitute parts become necessary when design requirements specify different voltage ratings, current ratings, or when inventory availability requires alternative sourcing within the same product family while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	KBJ410G Value	Unit
Voltage - Peak Reverse (Max)	1000	V
Current - Average Rectified (Io)	4	A
Voltage - Forward (Vf) (Max) @ If	1 @ 2	V @ A
Current - Reverse Leakage @ Vr	5 @ 1000	µA @ V
Operating Temperature Range	-65 to 150	°C
Mounting Type	Through Hole
Package / Case	4-SIP, KBJ
Diode Type	Single Phase
Technology	Standard
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution within the KBJ bridge rectifier family is determined by three primary parameters: peak reverse voltage rating, average rectified current rating, and package configuration. All substitute parts listed maintain identical mounting type (through hole), package format (4-SIP KBJ), diode type (single phase), technology (standard), operating temperature range (-65°C to 150°C), and compliance certifications (ROHS3, REACH Unaffected, MSL 1).

Substitute parts are grouped into two current rating categories:

4 A Current Rating Group: KBJ4005G (50 V), KBJ401G (100 V), KBJ402G (200 V), KBJ404G (400 V), KBJ406G (600 V), KBJ408G (800 V), and KBJ410G (1000 V)

6 A Current Rating Group: KBJ601G (100 V), KBJ604G (400 V), KBJ606G (600 V), and KBJ608G (800 V)

Within each current rating group, parts differ only in peak reverse voltage specification. Selection of substitute parts requires matching or exceeding the voltage requirement of the original application while maintaining the same or higher current capacity.

Parameter Comparison

Part Number	Voltage - Peak Reverse (Max) [V]	Current - Average Rectified (Io) [A]	Voltage - Forward (Vf) (Max) @ If [V @ A]	Current - Reverse Leakage @ Vr [µA @ V]	Operating Temperature [°C]	Package / Case	Inventory [Pcs]
KBJ410G	1000	4	1 @ 2	5 @ 1000	-65 to 150	4-SIP, KBJ	800
KBJ4005G	50	4	1 @ 2	5 @ 50	-65 to 150	4-SIP, KBJ	2620
KBJ401G	100	4	1 @ 2	5 @ 100	-65 to 150	4-SIP, KBJ	747
KBJ402G	200	4	1 @ 2	5 @ 200	-65 to 150	4-SIP, KBJ	669
KBJ404G	400	4	1 @ 2	5 @ 400	-65 to 150	4-SIP, KBJ	928
KBJ406G	600	4	1 @ 2	5 @ 600	-65 to 150	4-SIP, KBJ	10400
KBJ408G	800	4	1 @ 2	5 @ 800	-65 to 150	4-SIP, KBJ	2154
KBJ601G	100	6	1 @ 3	5 @ 100	-65 to 150	4-SIP, KBJ	3672
KBJ604G	400	6	1 @ 3	5 @ 400	-65 to 150	4-SIP, KBJ	2294
KBJ606G	600	6	1 @ 3	5 @ 600	-65 to 150	4-SIP, KBJ	1348
KBJ608G	800	6	1 @ 3	5 @ 800	-65 to 150	4-SIP, KBJ	30400

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and ROHS3 compliance identical to the KBJ410G. Selection criteria are based on application voltage and current requirements:

For applications requiring 1 kV peak reverse voltage with 4 A current capacity, the KBJ410G remains the direct equivalent. For lower voltage applications, parts from the 4 A current rating group provide direct substitution with reduced voltage stress margin. The 6 A current rating group (KBJ601G, KBJ604G, KBJ606G, KBJ608G) accommodates higher current demands while maintaining the same package footprint and thermal characteristics.

All substitute parts share identical mounting configuration (through hole, 4-SIP KBJ package), operating temperature range (-65°C to 150°C), and regulatory compliance status. Forward voltage characteristics scale proportionally with current rating: 1 V @ 2 A for 4 A parts and 1 V @ 3 A for 6 A parts.

Frequently Asked Questions (FAQ)

Q: Can KBJ4005G replace KBJ410G in a 1 kV application?

A: No. KBJ4005G is rated for 50 V peak reverse voltage, which is insufficient for 1 kV applications. The part would experience overvoltage stress and potential failure.

Q: Are all substitute parts mechanically compatible with KBJ410G?

A: Yes. All listed substitute parts use identical through-hole mounting configuration and 4-SIP KBJ package format, ensuring direct PCB footprint compatibility.

Q: Can KBJ608G replace KBJ410G?

A: KBJ608G is rated for 800 V peak reverse voltage and 6 A current capacity. It cannot replace KBJ410G in applications requiring 1 kV voltage rating, as the voltage specification is insufficient. However, KBJ608G can replace KBJ410G in applications requiring only 800 V or lower, with the benefit of higher current capacity.

Q: What is the difference between 4 A and 6 A rated parts?

A: The 6 A rated parts (KBJ601G, KBJ604G, KBJ606G, KBJ608G) accommodate higher average rectified current while maintaining identical voltage ratings and package configuration. Forward voltage is specified at proportionally higher test current (3 A vs. 2 A). Selection depends on circuit current requirements.

Q: Are all parts ROHS3 compliant?

A: Yes. All listed parts, including KBJ410G and all substitutes, maintain ROHS3 compliance and unlimited moisture sensitivity level (MSL 1).

Q: What voltage rating should I select for my application?

A: Select a part with peak reverse voltage rating equal to or exceeding the maximum reverse voltage in your circuit. Selecting a higher voltage rating provides additional safety margin but does not affect forward conduction characteristics within the specified operating range.

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