| Quantity | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $5.87 | $5.87 |
| 10+ | $5.38 | $53.80 |
| 500+ | $4.89 | $2,445.00 |
| 1000+ | $4.65 | $4,650.00 |
Prices exclude shipping and taxes. Click a tier row to set the quantity.
Price is for reference only. All orders are subject to availability confirmation. Our team will contact you within 24 hours to confirm final pricing and lead time.
The LM139WB from Texas Instruments is a quad differential comparator designed for precision voltage comparison in high-reliability military and aerospace applications. It features four independent comparator channels with open-collector outputs that allow wired-OR logic connections and can drive loads referenced to ground, negative supply, or a separate voltage rail. The device operates over a wide single-supply range from 2 V to 36 V or a dual supply from ±1 V to ±18 V, with low input offset voltage and low input bias current typical of the LM139 family.
Typical use cases include threshold detection, voltage monitoring, pulse and square wave generation, and time-delay circuits in ruggedized avionics, defense electronics, and industrial control systems exposed to extreme temperatures and mechanical stress. Procurement professionals should note that the LM139WB is a military-grade product offered in a 14-lead ceramic flatpack (CFP), ensuring hermeticity and full -55°C to +125°C operating range. As a legacy series, while Texas Instruments maintains production for defense programs, lead times may be extended and lifecycle management plans should account for potential obsolescence risk; sourcing through franchised channels is recommended to guarantee component pedigree and compliance with MIL-PRF-38535 requirements where applicable.
| Attribute | Value |
|---|---|
| Package / Case | CFP |
| Part Status | Active |
Download the current available datasheet for LM139WB.
Download Datasheet 
