ProjectsPricingInsights

Best Alternatives to BAS21,215

Package: SOT23Nexperia USA Inc.Diodes - Rectifiers - SingleRepetitive Peak Reverse Voltage (VRRM): 250 VReverse Voltage (VR): 200 VForward Current (IF): 200 mAReverse Recovery Time (trr): 50 nsDiode Capacitance (Cd): 5 pF

BAS21,215 is a high-voltage SOT23 switching diode. The closest catalog candidates are BAS21 family parts, but pinout review is required.

AI replacement insight

Electrical riskmedium

same nominal voltage lacks 10% margin

Package risklow

kept candidates list SOT23

Firmware risklow

passive diode, no firmware

Sourcing risklow

kept candidates are indexed active parts

Can it be replaced directly?

No pin-compatible replacement is confirmed from the provided fields.

Best replacement path

Start with BAS21-QR, then review BAS21Q-7-F as a cross-vendor option.

Main risk

Pinout and rating-condition gaps prevent a direct replacement claim.

Recommended alternatives

2
BAS21-QR package
BAS21-QR

Nexperia USA Inc.

Needs validationmedium risk

BAS21-QR is a close BAS21 automotive variant for review as an upgrade path.

View details

Alternative comparison matrix

Feature / factorBAS21,215BAS21-QRBAS21Q-7-FAlt 3Compatibility / risk
PackageSOT23SOT23SOT23SOT23 — same package name; BAS21Q-7-F: same package name
Pinout3 pin3 pin3 pin3 pin — pin functions missing; BAS21Q-7-F: pin functions missing
Voltage250 V VRRM250 V VRRM250 V VRRM250 V VRRM — no extra 10% margin; BAS21Q-7-F: no extra 10% margin
Current200 mA200 mA200 mA IO200 mA / 200 mA IO — same IF; BAS21Q-7-F: rating type differs
Temperature150 C150 C-55 to 150 C150 C / -55 to 150 C — same Tj limit; BAS21Q-7-F: range covers target
Applicationswitching diodeAEC-Q101 switching diodefast switching diodeAEC-Q101 switching diode / fast switching diode — automotive qualified; BAS21Q-7-F: same role

Application & sourcing insights

Questions & answers

BAS21-QR is the closest kept candidate because it matches the BAS21 family and main ratings, with AEC-Q101 evidence.