---
title: "Caster Chip Drop Rates (JP server)"
description: "Caster Chip drop rates on the JP server: PR-B-1 50.26% (10,248 samples); 1 stages in total. Updated 2026-10-24. Crowdsourced Arknights drop data by Penguin Statistics."
lang: en
server: JP
item_id: "3251"
as_of: 2026-10-23T18:50:13Z
time_zone: UTC+9
rows: 1
rows_total: 1
canonical: "https://penguin-stats.io/en/result/jp/item/3251"
api: "https://penguin-stats.io/PenguinStats/api/v2/result/matrix?server=JP&itemFilter=3251&show_closed_zones=true"
license: CC BY-NC 4.0
license_url: https://creativecommons.org/licenses/by-nc/4.0/
attribution: "Data: Penguin Statistics (penguin-stats.io), CC BY-NC 4.0"
---

# Caster Chip Drop Rates (JP server)

Server: [CN server](https://penguin-stats.io/en/result/cn/item/3251.md) · [US server](https://penguin-stats.io/en/result/us/item/3251.md) · **JP server** · [KR server](https://penguin-stats.io/en/result/kr/item/3251.md)

Drops of Caster Chip by stage on the JP server, by percentage, highest first: 1 of 1 stages

| Stage | ID | Loots | Samples | Percentage | Sanity Required Per Item | Sanity | Time Range |
| --- | --- | ---: | ---: | ---: | ---: | ---: | --- |
| [PR-B-1](https://penguin-stats.io/en/result/jp/stage/weekly_1/pro_b_1.md) Chips | `pro_b_1` | 5151 | 10248 | 50.26% | 35.81 | 18 | 2020-08-26 until now |

Samples: runs of the stage reported in the time range. Loots: total number of the item dropped in those runs. Percentage = Loots ÷ Samples, the expected number dropped per run, which can exceed 100%. Sanity Required Per Item = Sanity ÷ Percentage. Time Range: since the drop table of the stage last changed.

Updated 2026-10-24 03:50 (UTC+9). [Full data (JSON)](https://penguin-stats.io/PenguinStats/api/v2/result/matrix?server=JP&itemFilter=3251&show_closed_zones=true). License: [CC BY-NC 4.0](https://creativecommons.org/licenses/by-nc/4.0/)

## Related Items

- [Vanguard Chip Pack](https://penguin-stats.io/en/result/jp/item/3212.md) `3212`
- [Guard Chip Pack](https://penguin-stats.io/en/result/jp/item/3222.md) `3222`
- [Sniper Chip Pack](https://penguin-stats.io/en/result/jp/item/3242.md) `3242`
- [Defender Chip Pack](https://penguin-stats.io/en/result/jp/item/3232.md) `3232`
- [Medic Chip Pack](https://penguin-stats.io/en/result/jp/item/3262.md) `3262`
- [Supporter Chip Pack](https://penguin-stats.io/en/result/jp/item/3272.md) `3272`
- [Caster Chip Pack](https://penguin-stats.io/en/result/jp/item/3252.md) `3252`
- [Specialist Chip Pack](https://penguin-stats.io/en/result/jp/item/3282.md) `3282`
- [Vanguard Chip](https://penguin-stats.io/en/result/jp/item/3211.md) `3211`
- [Guard Chip](https://penguin-stats.io/en/result/jp/item/3221.md) `3221`
- [Sniper Chip](https://penguin-stats.io/en/result/jp/item/3241.md) `3241`
- [Defender Chip](https://penguin-stats.io/en/result/jp/item/3231.md) `3231`
- [Medic Chip](https://penguin-stats.io/en/result/jp/item/3261.md) `3261`
- [Supporter Chip](https://penguin-stats.io/en/result/jp/item/3271.md) `3271`
- [Specialist Chip](https://penguin-stats.io/en/result/jp/item/3281.md) `3281`