TE Connectivity Aerospace, Defense and Marine 202D121-3/42-0
HEATSHRINK BOOT SZ21 BLACK
Answer first: this page is a purchasing reference for the exact part number 202D121-3/42-0 from TE Connectivity Aerospace, Defense and Marine. Use it to start datasheet, package, manufacturer and RFQ verification; do not treat page text as a live stock, price or lead-time promise.
Key Parameters
| Part Number | 202D121-3/42-0 |
|---|---|
| Manufacturer | TE Connectivity Aerospace, Defense and Marine |
| Category | Heat Shrink Boots, Caps |
| series | Thermofit 202D1 |
| packaging | Bulk |
| product status | Active |
| param 1 | Boot |
| param 2 | 21 |
| param 3 | - |
| param 4 | Black |
| param 5 | Polyolefin (PO), Semi-Rigid |
| param 6 | 0.917" (23.29mm) |
| param 7 | 0.413" (10.49mm) |
| param 8 | 0.917" (23.29mm) |
| param 9 | 0.220" (5.59mm) |
| param 10 | 0.831" (21.11mm) |
| param 11 | - |
| param 12 | - |
| param 13 | 1.500" (38.10mm) |
Parameters are provided for purchasing review. Confirm package, suffix, lifecycle status, datasheet revision and approved substitutes before ordering.
How to Verify 202D121-3/42-0 Before Ordering
Datasheet and parameter checks
- Confirm the full manufacturer part number, not only a shortened search keyword.
- Compare package, pinout, dimensions, voltage or rating fields, temperature range and compliance wording against the released BOM.
- Use the manufacturer datasheet or drawing for electrical and mechanical limits before approving a substitute.
RFQ fields SENICO needs
- Send exact part number, manufacturer, quantity, target delivery date, destination and required packaging.
- State whether alternates are allowed, and list any date-code, certificate, traceability or customer AVL requirement.
- Keep exact stock, factory lead time and proposed alternatives in separate quote lanes.
For 202D121-3/42-0, SENICO recommends checking manufacturer marking, package, date code, requested quantity, approved vendor requirements and replacement risk before issuing a purchase order. If a supplier suggests an equivalent, record the changed fields and approval owner before comparing price.
We do not treat displayed data as a real-time stock or price commitment. The RFQ reply is the verified commercial reference.
Related buying guides: stock and lead-time verification, equivalent IC comparison, and BOM RFQ preparation.