
FOJAN
A pin-compatible substitute with identical key parameters and a wider operating temperature range.
Finding a replacement for the CR0402FF2433G, a 243kΩ 1% 0402 resistor, involves matching key electricals. Several options exist, from pin-compatible matches to functional alternatives with different resistance values.
Low for pin-compatible parts; Medium for parts with different resistance, requiring circuit validation.
Low, as all candidates are in the standard 0402 package.
Direct replacement for CR0402FF2433G should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Start with Datasheet verified or Strong match candidates for CR0402FF2433G, then review parametric alternatives for package and electrical fit.
The main risk is using a substitute with a different resistance value without verifying its impact on the circuit's performance.

FOJAN
A pin-compatible substitute with identical key parameters and a wider operating temperature range.
| Feature / factor | CR0402FF2433G | FRC0402F2433TS | AC0402DR-07255KL | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Resistance | 243kΩ | 243kΩ | 255kΩ | 243kΩ / 255kΩ — Identical resistance value.; AC0402DR-07255KL: Resistance differs by ~5%. Circuit must tolerate this change. | |
| Tolerance | ±1% | ±1% | ±0.5% | ±1% / ±0.5% — Identical tolerance.; AC0402DR-07255KL: Tighter tolerance is an upgrade. | |
| Power | 1/16W | 1/16W | - | 1/16W — Identical power rating. | |
| Package | 0402 | 0402 | 0402 | 0402 — Identical package size.; AC0402DR-07255KL: Identical package size. | |
| Temperature | -55°C to +125°C | -55°C to +155°C | -55°C to 155°C | -55°C to +155°C / -55°C to 155°C — Candidate has a wider operating temperature range.; AC0402DR-07255KL: Wider operating temperature range. | |
| Application | Commercial | - | AEC-Q200 | AEC-Q200 — Automotive grade is an upgrade. |
Verified drop-in options for CR0402FF2433G are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.