Product Overview
General Instrument 2KBP02M Glass-Passivated Bridge Rectifier - 200V 2A Through-Hole SIP-4, Unused NOS
Condition
Unused NOS. Molded body markings legible: 2KBP02M, GI, TAIWAN, date code 9003, 3N255. Polarity symbols (+, -) visible on face. Light surface oxidation on leads due to age - typical for NOS stock of this era. Sourced from an electronics distributor consolidating inventory.
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Product Overview
General Instrument 2KBP02M - glass-passivated single-phase bridge rectifier in the KBPM through-hole inline SIP-4 package. Rated 200V maximum repetitive peak reverse voltage and 2.0A average rectified forward output current. Converts AC to pulsating DC in a compact four-lead molded body with polarity indicators stamped on the housing. A direct-fit replacement for any 2KBP02M footprint.
Key Features
- Maximum repetitive peak reverse voltage (VRRM): 200V
- Average rectified forward output current (IO): 2.0A at 50°C
- Peak forward surge current (IFSM): 60A (8.3ms single half sine-wave)
- Maximum instantaneous forward voltage drop (VF): 1.1V per diode at 2.0A
- Operating temperature range: -55°C to +150°C
- Package: KBPM / Through-Hole Inline SIP-4 (4-pin inline layout)
- Glass-passivated junction construction
- Polarity symbols molded on body for correct orientation
- Marked: 2KBP02M, GI, TAIWAN, date code 9003
Applications
- Replacing a failed bridge rectifier in a vintage amplifier or audio receiver power supply - desolder the old SIP-4 body, drop in the 2KBP02M, and restore DC rail voltage without layout changes
- Guitar amp repair where period-correct components matter - this is the original GI part, not a modern clone
- Building a custom bench power supply or transformer-based DC supply on perfboard or PCB - mounts through-hole with polarity already labeled on the body
- Restoring an older industrial control board or legacy OEM equipment where a direct drop-in replacement avoids re-certification or layout redesign
- DIY audio effect pedals and homebrew low-voltage power stages needing a known-quantity full-wave rectifier
Frequently Asked Questions
Is this a direct replacement for the 2KBP02M-E4/51?
Yes. The 2KBP02M-E4/51 is a suffix variant designation used by Vishay and later manufacturers for the same base part. Electrically and physically equivalent - same KBPM SIP-4 footprint, 200V, 2.0A rating.
Will this fit a PCB designed for the 2KBP04M or 2KBP06M?
Yes - the 2KBP series shares the same KBPM SIP-4 footprint across all voltage variants (005M through 10M). The difference is voltage rating only. A 2KBP02M in a 2KBP04M socket is a fit, but the lower 200V VRRM of the 02M must be adequate for your application.
What are the lead conditions on this NOS stock?
Light surface oxidation on the leads due to age. The body markings are fully legible and the component is otherwise unused. Light lead oxidation on NOS stock of this vintage is normal and does not affect solderability after light cleaning.
Is this suitable for switch-mode power supply (SMPS) designs?
The 2KBP02M is rated for general-purpose rectification. It is not a fast-recovery rectifier and is best suited to 50/60Hz mains-frequency input stages, not high-frequency switching topologies.
Old-school GI silicon, still in the package, still correctly marked - the kind of part a bench tech grabs when the right footprint matters as much as the spec. Wherever this one lands, it arrives ready to work.
